INVITATION TO BID # 464 - Luzerne County Community · PDF file · 2016-05-16Combination/Hydraulics & Pneumatic Training System With Virtual Simulation Learning Software ... 1 Bidirectional

1333 South Prospect Street, Nanticoke, Pennsylvania 18634-3899 Telephone 570-740-0200 or 1-800-377-5222

INVITATION TO BID # 464 Luzerne County Community College wishes to solicit bids for the work listed below. Bids must be received in the College's Purchasing Department (Building #5, Room 513) by Noon on June 3, 2016. Luzerne County Community College reserves the right to waive any informalities, irregularities, defects, errors or omissions in, or to reject any or all proposals or parts thereof. Under the Right to Know Law, the College is required to post to the PA Treasury Website all documents (BPO, PO, contract or agreement) for transactions valued at $5,000.00 and above. ******************************************************************************************************************* BID # 462 Combination/Hydraulics & Pneumatic Training System With Virtual Simulation Learning Software Item quantity price total price

1. Combination/ Hydraulics & Pneumatic Training System 2 $ With Virtual Simulation Learning Software (See Specs)

TOTAL COST $_______________________________ *************************************************************************************************************************************** Company Name Address: Typed Name and Title: Signature: Telephone:( ) FAX:(___)


SPECIFICATIONS

The Hydraulics & Pneumatic Training System shall be a modular program in fluid power and its applications. The combination Hydraulics/Pneumatic Training System shall use industrial components that are used in real-world hydraulic/pneumatic systems and shall allow students to build, operate, maintain, and troubleshoot fluid power systems.

• Hydraulics Fundamentals

• Pneumatic Fundamentals

• Electrical Control of Hydraulic Systems

• Electrical Control of Pneumatic Systems

• Troubleshooting Hydraulic Systems

• Troubleshooting Pneumatic Systems

Each subsystem shall be further divided into specific topics which deal with the components found in industry. This system shall allow co-mingling of products such as pneumatic systems. All hardware shall come with a two-year warranty. Virtual simulation software for Hydraulics and Pneumatics shall accommodate 20 students and will be a perpetual license with no annual subscription fees. The training system shall contain the following equipment:

Hydraulics Fundamentals (Quantity 2) 1 Work Surface 1 Bench 1 Hose Rack 2 Storage/Work Surface 1 Power Unit 1 Directional Valve, Lever-Operated 1 Flow Control Valve 1 Relief Valve 1 Pressure Reducing Valve 1 Double-Acting Cylinder, 2.54-cm Bore 1 Double-Acting Cylinder, 3.81-cm Bore 1 Bidirectional Motor and Flywheel 2 Pressure Gauge 1 Flowmeter 1 Loading Device 2 Manifold, Five Ports, Fixed 2 Manifold, Four Ports, Mobile 1 Hose Set Student Manuals and Instructor Guides


Electrical Control for Hydraulics (Quantity 1)

1 Expanding Work Surface 1 Directional Valve, Double-Solenoid Operated 1 Directional Valve, Single-Solenoid Operated 1 Sequence Valve 1 Flow Control Valve, Pressure Compensated 1 Check Valve 1 DC Power Supply 2 Push-Button Station 1 Limit-Switch Assembly 2 Relay 1 Time-Delay Relay / Counter 2 Pilot-Lamp Station 1 Pressure Switch 2 Magnetic Proximity Switch 1 Diffuse Reflective Photoelectric Switch 1 Connection Leads Kit 1 Multimeter Troubleshooting Hydraulic Circuits (Quantity 1)

2 Directional Valve, Lever-Operated (Faulty) 1 Pressure Reducing Valve (Faulty) 1 Double-Acting Cylinder, 2.54-cm Bore (Faulty) 1 Double-Acting Cylinder, 3.81-cm Bore (Faulty) 1 Bidirectional Motor and Flywheel (Faulty) Instructor Guide

List of Equipment for the Pneumatic Components The training system shall contain the following equipment:

Pneumatics Fundamentals (Quantity 2) 1 Work Surface 1 Storage/Work Surface 1 Conditioning Unit 1 Accumulator 1 Vacuum Generator 2 Directional Valve, Push-Button Operated 2 Flow Control Valve 1 Directional Valve, Double-Air-Pilot Operated 1 Single-Acting Cylinder 1 Double-Acting Cylinder 1 Bidirectional Motor 1 Air Bearing 1 Pressure Gauge 1 Flowmeter 1 Loading Device 1 Tees


1 Tubing Set 1 Long Line Student Manuals and Instructor Guides Electrical Control for Pneumatics (Quantity 1)

1 Expanding Work Surface (Large) 1 DC Power Supply 2 Push-Button Station 1 Limit-Switch Assembly 2 Relay 1 Time-Delay Relay/Counter 2 Pilot-Lamp Station 2 Magnetic Proximity Switch 1 Diffuse Reflective Photoelectric Switch 1 Multimeter 1 Directional Valve, Double-Solenoid Operated 1 Directional Valve, Single-Solenoid Operated 1 AND Function Valve 1 Shuttle Valve 1 Quick Exhaust Valve 1 Pressure Regulator 1 Pressure Switch 1 Tees 1 Connection Leads Kit Student Manual Instructor Manual Troubleshooting Pneumatics Circuits (Quantity 1)

1 Conditioning Unit (Faulty) 1 Accumulator (Faulty) 1 Vacuum Generator (Faulty) 1 Directional Valve, Push-Button Operated (Faulty) 1 Directional Valve, Double-Air-Pilot Operated (Faulty) 1 Loading Device (Faulty) 1 Tees (Faulty) 1 Long Line (Faulty) Instructor Guide


Courseware The curriculum shall consist of fully-illustrated student manuals and instructor guides. The manuals shall be divided into two categories: Student Manuals and Instructor Guides.

Student manuals shall include a description of the objectives, a list of required equipment, a list of safety procedures, and a detailed list of steps required to attain the objectives safely and efficiently. The topics shall be introduced in different exercises. Review questions at the end of each exercise shall allow the student to verify what was learned in the student manual. Instructor guides may be used to evaluate students and verify that they have understood the current topic. All manuals shall be available as PDF files on a CD-ROM for an unlimited license. The following topics shall be covered by the curriculum

Hydraulics Fundamentals

• Introduction to Hydraulics § FamiliarizationwiththeHydraulicsTrainer§ DemonstrationofHydraulicPower

• Fundamentals§ PressureLimitation§ PressureandForce§ FlowRateandVelocity§ WorkandPower

• Basic Circuits§ CylinderControl§ CylindersinSeries§ CylindersinParallel§ RegenerativeCircuits

• Functional Circuits§ Accumulators§ HydraulicMotorCircuits§ PressureReducingValves§ RemotelyControlledPressureReliefValves

• Troubleshooting § HydraulicPumps§ DirectionalValveTesting§ FlowmeterAccuracy§ EffectsofTemperatureonSystemOperation

• Electrical Control of Hydraulic Systems

• Introduction to Electrical Control of Hydraulic Systems § FamiliarizationwiththeEquipment

• Electrical Control Principles § BasicElectricity§ LadderDiagrams§ BasicElectrically-ControlledHydraulicSystem

• Functional Systems

§ HydraulicSequencingofCylinders§ ElectricalSequencingofCylinders§ SpeedRegulationandBrakingofHydraulicMotors


§ ContinuousReciprocationwithDwellPeriod• Industrial Applications

§ DrillingSystem§ SafetyCircuits§ CountingofActuatorCycles§ Multi-PressureSystem§ RapidTraverse-SlowFeedSystem

• Troubleshooting § TroubleshootingElectricalControlCircuits§ TroubleshootingElectrically-ControlledHydraulicSystems

• Troubleshooting Hydraulic Circuits

• Directional Valve, Lever-Operated § TheportAoftheDirectionalValve,Lever-Operatedhasbeenpartiallyblocked,causinganimportantoilflowrate

reductionthroughthisport.• Directional Valve, Lever-Operated

§ TheidentificationofportsAandBhasbeenreversedonthesubplateofthevalve.Thevalveoperationisreversed.• Pressure Reducing Valve

§ TheO-ringsofthemainspoolhavebeenremoved.Thisfaultallowstheoiltobypassthemainspool,andtosimultaneouslyflowthroughtheregulatedandtankports.Thepressureregulationiserratic,andthecircuitpressureislimitedbecauseoftheoilflowthatcontinuouslyreturnstothetank.

• Double-Acting Cylinder, 2.54-cm Bore § TheU-cuppackingsandthemagnetofthecylinderpistonhavebeenremoved.Thismodificationallowstooilto

bypassthepiston.Thelackinsealingcausesareductioninpowercapabilityofthecylinder.• Double-Acting Cylinder, 3.81-cm Bore

§ Arestrictionhasbeenaddedtothequick-connectfittingattherod-endofthecylinder.Thisrestrictionlimitstheoilflowratecausingtheextensionandretractiontimesofthecylinderrodtobelonger.

• Bidirectional Motor and Flywheel § Oneofthequick-connectfittingsoftheMotorhasbeenpartiallyblockedcausinganimportantoilflowrate

reductionthroughthisfitting.

Pneumatics Fundamentals

• Introduction to Pneumatics § FamiliarizationwiththeLab-VoltPneumaticsTrainer§ IntroductiontoPneumatics§ AirConditioningandDistributingEquipment

• Basic Physical Concepts § PressurevsForceRelationship§ PressurevsVolumeRelationship§ PressureDropvsFlowRelationship§ VacuumGeneration

• Basic Controls of Cylinders § DirectionalControlValves§ DirectionalandSpeedControlofCylinders§ CylindersinSeries§ CylindersinParallel

• Basic Controls of Pneumatic Motors § IndirectControlUsingPilot-OperatedValves§ PneumaticMotorCircuits


§ PneumaticMotorPerformance


• Introduction to Electrical Control of Pneumatic Systems § FamiliarizationwiththeEquipment

• Electrical Concepts § BasicElectricity§ LadderDiagrams§ BasicElectricallyControlledPneumaticSystem§ BasicANDandORLogicFunctionCircuits

• Functional Systems § BasicmemoryandPriorityElectropneumaticCircuits§ Multi-PressureSystems§ SequencingPneumaticCircuits§ Time-DelayElectropneumaticApplications

• Industrial Applications § PneumaticActuatorDecelerationCircuits§ CountingofActuatorCycles§ IndustrialDrillingSystemandSafetyCircuits§ GarbageCompactorSimulationCircuit

• Troubleshooting § TroubleshootingElectricalControlCircuits§ TroubleshootingElectricallyControlledPneumaticSystems

• Troubleshooting Pneumatic Circuits

• Conditioning Unit § Thepressureregulator0-700kPa(0-100psi)oftheConditioningUnithasbeenreplacedwithonehavingarange

of0-200kPa(0-30psi).Thepressuregaugehasnotbeenchangedandshowsa0-700kPa(0-100psi)range.Pressureshigherthanapproximately200-300kPa(30-40psi)arenolongeravailable.

• Accumulator § TheinputportoftheAccumulatorhasbeenblocked.TheAccumulatorcannotbefilledwithcompressedair.

• Vacuum Generator § The neck of the venturi has been increased. The Vacuum Generator now generates very low vacuum.

• Directional Valve, Push-Button Operated § Theactuatorinthevalvehasbeenremoved.Pressingthepush-buttondoesnotchangethepositionofthespoolin

thevalve.• Directional Valve, Double-Air-Pilot Operated

§ TheU-cupononeofthepistonsthatactuatethespoolofthevalvehasbeenremoved.Thespoolofthevalvedoesnotchangepositionwhenthecorrespondingpilotportispressurizedatlessthan150kPa(20psi).

• Loading Device § ThespringintheLoadingDevicehasbeenreplacedbyonehavingahigherforceconstant(springconstant),

causingtheLoadingDevicetogiveresultslowerthanactualvalues.• Tees

§ OneoftheportsoneachteeoftheTeesmodulehasbeenblocked.Thispreventsairflowthroughtheseports.• Long Line

§ AneedlevalvehasbeenaddedbetweenthetwoportsoftheLongLinetorestricttheairflow.Thesettingoftheneedlevalvecorrespondstoapproximately1/8thofaturninthecounterclockwisedirectionfromtheclosedposition(fullyclockwise).


Hardware Descriptions

All components shall have schematics on them to speed up the learning process. They shall also be easily moveable to teach circuit assembly. All components shall meet industrial safety standards, be identified with the proper ANSI symbols on their base, and be equipped with male check-valve quick connect fittings.

The Hydraulics Training System shall include at least the following equipment with their respective requirements:

Hydraulics Fundamentals:

Work Surface Features of this equipment shall include:

– A solid metal, universal drip-tray hinged to a perforated, tiltable work surface on which components can be mounted – Configured to accommodate a wide variety of spaces and teaching needs

– Lying flat over the drip tray, or tilted at 45°, the work surface shall provide a large area on which hydraulic components and space-expanding work surfaces can be mounted at any location, either at 0° or 90°

– Mounting and removal of components shall be especially easy with push-lock fasteners that shall snap into the perforations of the work surface

– Dimensions (H x W x D): 80 x 900 x 700 mm (3 x 35.5 x 27.5 in)

Bench (combination Hyd/Pne) Features of this equipment shall include:

– Mobile workstation with an “A” Frame configuration that will allow students to perform hydraulics on one side and Pneumatics on the reverse where a work surface can be put

– Four heavy-duty swiveling, lockable castors

Hose Rack Features of this equipment shall include:

– A slotted top for hanging hoses – A drip pan bottom to catch oil from the hose connectors

Storage/Work Surface Features of this equipment shall include:

– Perforated plate to provide shelving for component storage

Power Unit Features of this equipment shall include:

– One (1) electric drive motor coupled to a fixed-displacement gear-type hydraulic pump – One (1) oil reservoir of at least 16.51 L (5 gal US)

– One (1) 10-micrometer oil filter with pressure drop indicator and safety bypass valve

– One (1) built-in pressure relief valve to limit the maximum pump outlet pressure to 6200 kPa (900 psi) – One (1) lifting frame that allows the Power Unit to be raised and lowered hydraulically


– Power Requirement: 8.8 A – Flow: 3.01 L/min (0.81 gal US/min)

Directional Valve, Lever-Operated Features of this equipment shall include:

– One (1) four-way, three-position, lever-operated, spring-centered, closed-center directional control valve

– A maximum pressure of 6200 kPa (900 psi) on three ports and 3450 kPa (500 psi) on one port

Flow Control Valve Features of this equipment shall include:

– One (1) needle valve

– One (1) reverse free-flow check valve connected in parallel to the needle valve

– A maximum pressure of 6200 kPa (900 psi) – Reversed Flow Control: Built-in return check poppet

Relief Valve Features of this equipment shall include:

– One (1) normally closed, pilot-operated, knob adjustable valve that opens when the pressure at its inlet port exceeds the pressure set by the valve knob

– An adjustable pressure range of 690 kPa (100 psi) to at least 6200 kPa (900 psi) – Remote Control: Through vent port

Pressure Reducing Valve Features of this equipment shall include:

– One (1) normally open, pilot-operated, knob adjustable valve that closes when the pressure at its outlet port exceeds the pressure set by the valve knob

– An adjustable pressure range of 1035 kPa (150 psi) to at least 6200 kPa (900 psi) – Reversed Flow Control: Built-in return check poppet

Double-Acting Cylinder, 2.54-cm Bore Features of this equipment shall include:

– One (1) rod, extendable and retractable by hydraulic pressure § Bore diameter of 2.54-cm

– A linear push-pull motion of at least 10.2 cm (4-in) – One (1) permanent ring magnet to actuate a proximity switch that senses the position of the rod

Double-Acting Cylinder, 3.81-cm Bore Features of this equipment shall include:

– One (1) rod, extendable and retractable by hydraulic pressure § Bore diameter of 3.81-cm



Bidirectional Motor and Flywheel Features of this equipment shall include:

– One (1) gear-type hydraulic motor § Maximum speed of at least 4000 f/min § Torque of at least 0.29 N-m/1000 kPa (1.75 lb-in/100 psi) § Provides rotary motion in either direction § Displacement of 1.77 cm3/r (0.108 in3/r) § Slip of 0.14 L/min/1000 kPa (0.026 gal US/min/100 psi)

– Two (2) flywheels of differing weights § Half of the front face of each flywheel shall be covered with a white reflective coating to allow counting of

the motor revolution using a Diffuse Reflective Photoelectric Switch

Pressure Gauge Features of this equipment shall include:

– One (1) copper alloy bourdon tube attached through a gear linkage to a needle pointer § Shall be filled with glycerin to dampen vibrations

– A pressure range of 0 up to 6900 kPa (0 – 1000 psi) – An accuracy of ± 3% of full scale

– A built-in relief valve for protection

– Shall provide a direct visual reading of the pressure through a dual scale dial (bar/psi) of 10.2 cm (4 in) in diameter

Flowmeter Features of this equipment shall include:

– One (1) variable area, spring-loaded piston that slides over a tapered metering cone, indicating the flow rate

– A flow range of 0 to 3.75 l/min (0-1 gal US/min)

– An accuracy of ± 4% of full scale for any flowmeter position – One (1) check valve blocking flow in reverse direction

– Shall provide a direct visual reading of the oil flow rate – Mounting: In-line, vertical or horizontal

Loading Device Features of this equipment shall include:

– One (1) spring enclosed in a clear plastic tube to which a Newton/lbf-graduated ruler can be clipped § Spring compression rate of 728 N/cm (416 lbf/in) § A maximum compression force of at least 4000 N (900 lbf)

– Shall measure the cylinder force output at different piston pressures or form a spring-loaded hydraulic accumulator

Manifold, Five Ports, Fixed Features of this equipment shall include:

– Five (5) ball-check plug, sealed at disconnect ports to which hydraulic hoses can be connected – Shall supply pressurized oil from the Power Unit to the hydraulic circuit or allow oil from the hydraulic circuit to be

returned to the reservoir of the Power Unit


Manifold, Four Ports, Mobile Features of this equipment shall include:

– Three (3) ball-check plug, sealed at disconnect ports to which hydraulic hoses can be connected

– One (1) ball-check socket, sealed at disconnect ports to which hydraulic component can be connected – Shall provide extra points of connection to component on which it is connected

Hose Set Features of this equipment shall include:

– Fourteen (14) flexible, neoprene and polyester, quick-connect ball-check sockets, sealed at disconnect hoses reinforced by an internal wire braid of high-tensile steel for extra strength

§ Four (4) short, 61 cm (24 in) hoses § Eight (8) long, 91 cm (36 in) hoses

– Two (2) extra-long, 152 cm (60 in) hoses

• Electrical Control of Hydraulics:

Expanding Work Surface Features of this equipment shall include:

– One (1) perforated plate that can be mounted on the main work surface – Expanding Work Surface must be two-thirds of the main work surface in area or more

– Dimensions (H x W x D): 30 x 590 x 590 mm (1 x 23 x 23 in)

Directional Valve, Double-Solenoid Operated Features of this equipment shall include:

– One (1) four-way , three-position, double-solenoid operated, spring-centered, tandem-center directional control valve

– Solenoids supplies of 24 V – 1.25 A – 30 W – DC

Directional Valve, Single-Solenoid Operated Features of this equipment shall include:

– One (1) 4 way, two-position, single-solenoid operated, spring return directional control valve

– Solenoids supplies of 24 V – 1.25 A – 30 W – DC

Sequence Valve Features of this equipment shall include:

– One (1) normally closed, pilot-operated, knob adjustable, cartridge valve § Shall open when the pressure at its inlet port exceeds the pressure set by the valve knob § Usable for sequencing actuator operation

– An adjustable pressure range of 1035 kPa (150 psi) to at least 6200 kPa (900 psi)

Flow Control Valve, Pressure Compensated Features of this equipment shall include:


– One (1) needle valve – One (1) reverse free-flow valve connected in parallel with the needle valve

§ Built-in return check poppet § The assembly shall be pressure-compensated to maintain a constant flow

– A minimum required pressure difference of at least 690 kPa (100 psi)

Check Valve Features of this equipment shall include:

– One (1) poppet type check valve § Shall allow the oil to flow freely in one direction while blocking it in the other direction

– A cracking pressure of 140 kPa (20 psi)

DC Power Supply Features of this equipment shall include:

– Protection against short-circuits using an automatic current/limit fold-back circuit

– AC line voltage conversion into a 24-V DC voltage output – Power Requirement: 1.25 A

– Output power of 24-V – 2.4 A – DC

Push-Button Station Features of this equipment shall include:

– Two (2) momentary push-button switches: § One (1) with normally open contact, 24 V – 3 A – DC § One (1) with normally closed contact, 24 V – 3 A – DC

Limit-Switch Assembly Features of this equipment shall include:

– Two (2) mechanical limit switches with roller arm actuator § Each switch shall have normally open and normally closed contact

– A switch positioning range of at least 15 cm (6-in) within each other

– Contacts: SPDT, 24 V – 3 A – DC

Relay Features of this equipment shall include:

– One (1) general purpose, plug-in relay coil controlling three (3) sets of normally open and normally closed contacts – Coil Voltage: 24 V – DC

– Contacts: 3PDT; 24 V – 3 A – DC

Time-Delay Relay / Counter Features of this equipment shall include:

– One (1) programmable relay with timing and counting programmable function § Shall have two (2) sets of normally open and normally closed contacts § LCD display


– A counting range of 1 to at least 99900 – A timing range of at 0.1 s to at least 9990 h

– Contacts: DPDT; 24 V – 3 A – DC

Pilot-Lamp Station Features of this equipment shall include:

– Two (2) amber incandescent, 24-V - DC pilot lamps

Pressure Switch Features of this equipment shall include:

– One (1) diaphragm electrical switch with adjustable actuation pressure and pressure differential

– Two (2) contacts: § One (1) normally open § One (1) normally closed

– Adjustable Pressure Range: 240-3450 kPa (35-500 psi) – Adjustable Differential: 35-450 kPa (5-65 psi)

– Contact: SPDT; 24 V – 3 A – DC

Magnetic Proximity Switch Features of this equipment shall include:

– Two (2) mechanical reeds and an internal coil controlling a normally open and normally closed contact § Shall sense the position of the rod of a cylinder

– A supply voltage of 24 V – DC


Diffuse Reflective Photoelectric Switch Features of this equipment shall include:

– Shall sense the position of the rod of a cylinder, or count the number of revolutions of a motor – A visual light source and a receiver combined in the same casing

§ Light source in 680 nm, eye safe visible red – Two (2) contacts:

§ One (1) normally open § One (1) normally closed

– A maximum sensing range of at least 10.2 cm (4-in) – A supply voltage of 24 V – DC

– Contacts: SPDT; 24 V – 3 A – DC

Connection Leads Kit Features of this equipment shall include:

– Thirty six (36) extra-flexible leads § All terminated by 2-mm banana plugs and rated 10-A § Eight (8) short, 15 cm (6 in) leads § Eight (8) medium, 30 cm (12 in) leads


§ Ten (10) long, 45 cm (18 in) leads § Ten (10) extra-long, 60 cm (24 in) leads

– Six (6) quick-connect, ball-check sockets, sealed at disconnect hydraulic hoses § Four (4) short, 61 cm (24 in) hydraulic hoses § Two (2) long, 91 cm (36 in) hydraulic hoses

Multimeter Features of this equipment shall include:

– Digital meter with 3.5 digit LED display Allows measurement of resistance, DC current, and AC/DC voltage

• Troubleshooting Hydraulics System:

Faulted Directional Valve, Lever-Operated Features of this equipment shall include:

– Two (2) different models of faulted, four-way, three-position, lever-operated, spring-centered, closed-center directional control valve

– A maximum pressure of 6200 kPa (900 psi) on three ports and 3450 kPa (500 psi) on one port

Faulted Pressure Reducing Valve Features of this equipment shall include:

– One (1) faulted, normally open, pilot-operated, knob adjustable valve that closes when the pressure at its outlet port exceeds the pressure set by the valve knob

– An adjustable pressure range of 1035 kPa (150 psi) to at least 6200 kPa (900 psi)

– Reversed Flow Control: Built-in return check poppet

Faulted Double-Acting Cylinder, 2.54-cm Bore Features of this equipment shall include:

– One (1) faulted rod, extendable and retractable by hydraulic pressure § Bore diameter of 2.54-cm

– A linear push-pull motion of at least 10.2 cm (4-in)

– One (1) permanent ring magnet to actuate a proximity switch that senses the position of the rod

Faulted Double-Acting Cylinder, 3.81-cm Bore Features of this equipment shall include:

– One (1) faulted rod, extendable and retractable by hydraulic pressure § Bore diameter of 3.81-cm

– A linear push-pull motion of at least 10.2 cm (4-in)

– One (1) permanent ring magnet to actuate a proximity switch that senses the position of the rod

Faulted Bidirectional Motor and Flywheel Features of this equipment shall include:

– One (1) faulted gear-type hydraulic motor


§ Maximum speed of at least 4000 f/min § Torque of at least 0.29 N-m/1000 kPa (1.75 lb-in/100 psi) § Provides rotary motion in either direction § Displacement of 1.77 cm3/r (0.108 in3/r) § Slip of 0.14 L/min/1000 kPa (0.026 gal US/min/100 psi)

– Two (2) flywheels of differing weights

– Half of the front face of each flywheel shall be covered with a white reflective coating to allow counting of the motor revolutions using a Diffuse Reflective Photoelectric Switch


Work Surface Features of this equipment shall include:

– A solid metal, universal drip-tray hinged to a perforated, tiltable work surface on which components can be mounted

– Configured to accommodate a wide variety of spaces and teaching needs – Lying flat over the drip tray, or tilted at 45°, the work surface shall provide a large area on which hydraulic

components and space-expanding work surfaces can be mounted at any location, either at 0° or 90° – Mounting and removal of components shall be especially easy with push-lock fasteners that shall snap into the

perforations of the work surface – Dimensions (H x W x D): 80 x 900 x 700 mm (3 x 35.5 x 27.5 in)

Storage/Work Surface Features of this equipment shall include:

– Perforated plate to provide shelving for component storage

Conditioning Unit Features of this equipment shall include:

– One (1) main shut-off valve before air regulation

– One (1) pressure regulator – Two (2) air filters

– One (1) pressure gauge operating up to 100 PSI – Four (4) sleeve valves to control air after conditioning

– One (1) muffler

– Possibility to condition and limit the pressure of the air supplied to the pneumatic circuits – Recommended Compressed Air Supply:

§ Flow Rate: 90 L/min (3.2 SCFM) approx. § Pressure: 630 kPa (90 psi) approx.

– Filter Regulator: § Maximum Air Flow Rate: 550 L/min (19 SCFM) § Operating Pressure: 50-700 kPa (7-100 psi) § Filtration: 5 µm

– Pressure Gauge: § Diameter: 500 mm (2 in)


§ Operating Pressure: 0-700 kPa (0-100 psi) – Outlet Ports: Four

Accumulator Features of this equipment shall include:

– One-liter metal tank to store pressurized air

– Maximum operating pressure of 100 psi – Volume: 1000 cm3 (61 in3)

– Maximum Operating Pressure: 700 kPa (100 psi)

Vacuum Generator Features of this equipment shall include:

– One (1) venturi duct that temporarily restricts the area through which the circuit air must flow – One (1) air intake duct

– Vacuum Pressure: 2130 mmH2O (84 inH2O) at 140 kPa (20 psi) inlet pressure

Directional Valve, Push-Button Operated Features of this equipment shall include:

– One (1) three-way, two-position, push button-operated, spring-return directional control valve – Maximum operating pressure of 1050 kPa (150 psi)

Flow Control Valve Features of this equipment shall include:

– One (1) needle valve

– One (1) reverse free-flow check valve connected in parallel to the needle valve – Operating pressure of at least 105 kPa (15 psi) up to 700 kPa (100 psi)

Directional Valve, Double-Air-Pilot Operated Features of this equipment shall include:

– One (1) four-way, two-position, double air-pilot operated directional control valve

– Operation pressure of at least 140 kPa (20 psi) up to 700 kPa (100 psi)

Single-Acting Cylinder Features of this equipment shall include:

– One (1) rod, extendable under pressurized air and retracted by a spring

– A linear pushing motion of at least 10.2 cm (4-in)

– One (1) permanent ring magnet to actuate a proximity switch that senses the position of the rod – Stroke: 100 mm (4 in)

– Bore Size: 27 mm (1.1 in) – Maximum Operating Pressure: 1725 kPa (250 psi)

Double-Acting Cylinder


Features of this equipment shall include:

– One (1) rod, extendable and retractable under pressurized air


– Stroke: 100 mm (4 in)

– Bore Size: 27 mm (1.1 in) – Maximum Operating Pressure: 1725 kPa (250 psi)

Bidirectional Motor Features of this equipment shall include:

– One (1) vane-type pneumatic bidirectional motor

– A maximum power of at least 250 Watts (0.33 hp) – A maximum operating pressure of at least 700 kPa (100 psi)

– A maximum speed of 10 000 rpm

Air Bearing Features of this equipment shall include:

– One (1) disk with a side inlet duct leading to a lower cavity – Friction-free movement in any direction resulting from pressurized air forming a thin film of escaping air between the

air bearing and work surface – Diameter: 63 mm (2.5 in)

Pressure Gauge Features of this equipment shall include:

– One (1) bourdon tube attached through a gear linkage to a needle pointer – Dual-scale graduated pressure gauge (kPa and psi)

– Diameter: 38 mm (1.5 in) – Operating Pressure: 0-700 kPa (0-100 psi)

Flowmeter Features of this equipment shall include:

– One (1) lightweight ball moving along a tapered tube with the flow of air

– Maximum operating pressure of 700 kPa (100 psi) – Flow range of 0 to at least 150 L/min (0-5.35 SCFM)

– An accuracy of ±4% of full scale

Loading Device Features of this equipment shall include:

– One Newton and lbf-graduated force measurement ruler designed to mount on the load device – One (1) spring enclosed in a clear plastic tube to which can be clipped the ruler

– A spring compression rate of at least 98N/cm (56 lbf/in)


– A maximum compression force 500 N (100 lbf)

Tees Features of this equipment shall include:

– Six (6) push-in tube fittings, interconnected into two (2) groups of three, to which tubes can be connected

– A maximum operating pressure of 1050 kPa (150 psi)

Tubing Set Features of this equipment shall include:

– One (1) 15-m (50-ft) length of polyethylene, 6-mm (0.25-in) tubing – A maximum operating pressure of at least 700 kPa (100 psi)

Long Line Features of this equipment shall include:

– One (1) 3-mm (0.13-in) outside diameter, 11.5-m (38-ft) length of polyethylene coiled tubing to simulate the friction caused by a very long tubing line

– A maximum operating pressure of at least 700 kPa (100 psi)


Expanding Work Surface (Large) Features of this equipment shall include:

– One (1) perforated plate that can be mounted on the main work surface

– Expanding Work Surface must be two-third of the main work surface in area or more

– Dimensions (H x W x D): 30 x 590 x 590 mm (1 x 23 x 23 in)

DC Power Supply Features of this equipment shall include:

– Protection against short-circuits using an automatic current/limit fold-back circuit

– AC line voltage conversion into a 24-V DC voltage output

– Power Requirement: 1.25 A – Output power of 24-V – 2.4 A – DC

Push-Button Station Features of this equipment shall include:

– Two (2) momentary push-button switches: § One (1) with normally open contact, 24 V – 3 A – DC § One (1) with normally closed contact, 24 V – 3 A – DC

Limit-Switch Assembly Features of this equipment shall include:

– Two (2) mechanical limit switches with roller arm actuator § Each switch shall have normally open and normally closed contact


– A switch positioning range of at least 15 cm (6-in) within each other – Contacts: SPDT, 24 V – 3 A – DC

Relay Features of this equipment shall include:

– One (1) general purpose, plug-in relay coil controlling three (3) sets of normally open and normally closed contacts

– Coil Voltage: 24 V – DC – Contacts: 3PDT; 24 V – 3 A – DC

Time-Delay Relay / Counter Features of this equipment shall include:

– One (1) programmable relay with timing and counting programmable function § Shall have two (2) sets of normally open and normally closed contacts § LCD display

– A counting range of 1 to at least 99900 – A timing range of at 0.1 s to at least 9990 h

– Contacts: DPDT; 24 V – 3 A – DC

Pilot-Lamp Station Features of this equipment shall include:

– Two (2) amber incandescent, 24-V - DC pilot lamps

Magnetic Proximity Switch Features of this equipment shall include:

– Two (2) mechanical reeds and an internal coil controlling a normally open and normally closed contact § Shall sense the position of the rod of a cylinder

– A supply voltage of 24 V – DC


Diffuse Reflective Photoelectric Switch Features of this equipment shall include:

– Shall sense the position of the rod of a cylinder, or count the number of revolutions of a motor – A visual light source and a receiver combined in the same casing

§ Light source in 680 nm, eye safe visible red – Two (2) contacts:

§ One (1) normally open § One (1) normally closed

– A maximum sensing range of at least 10.2 cm (4-in) – A supply voltage of 24 V – DC

– Contacts: SPDT; 24 V – 3 A – DC

Multimeter Features of this equipment shall include:


– Digital meter with 3.5 digit LED display – Allows measurement of resistance, DC current, and AC/DC voltage

Directional Valve, Double-Solenoid Operated Features of this equipment shall include:

– One (1) four-way , three-position, double-solenoid operated, spring-centered, tandem-center directional control valve

– Solenoids supplies of 24 V – 1.25 A – 30 W - DC

Directional Valve, Single-Solenoid Operated Features of this equipment shall include:

– One (1) 4 way, two-position, single-solenoid operated, spring return directional control valve

– Solenoids supplies of 24 V – 1.25 A – 30 W - DC

AND Function Valve Features of this equipment shall include:

– One (1) normally closed, three-way, two-position, single acting, spring return, air-pilot operated directional control valve

– The valve shall open when air pressure is present at both its pilot port according to the AND function in a Boolean logic

– Actuating Pressure: 210 kPa (30 psi)


Shuttle Valve Features of this equipment shall include:

– One (1) double check valve with two inlet ports and one outlet port – An operating pressure of 50 kPa (7 psi) to at least 1050 kPa (150 psi)

– The valve shall operate according to the OR function in a Boolean logic

Quick Exhaust Valve Features of this equipment shall include:

– One (1) three-way valve with a diaphragm § Exhausts the valve outlet port directly to atmosphere when the pressure at this port becomes higher than at

the valve inlet port – An operating pressure of 50 kPa (7 psi) to at least 1050 kPa (150 psi)

Pressure Regulator Features of this equipment shall include:

– One (1) normally open valve § Shall close when the pressure at its outlet port exceeds the pressure defined by the user

– One (1) knob to set the pressure – A pressure range from 50 kPa (7 psi) to at least 700 kPa (100 psi)

– A maximum air flow rate at least 550 L/min (19 SCFM)


Pressure Switch Features of this equipment shall include:

– One (1) diaphragm electrical switch with: § Adjustable actuation pressure § Pressure differential

– Adjustable pressure range of 105 kPa (15 psi) to at least 1725 kPa (250 psi)

– A differential range of 70 kPa (10 psi) to at least 210 kPa (30 psi) – Contact: SPDT; 24 V – 3 A – DC

Connection Leads Kit Features of this equipment shall include:

– Thirty-Six (36) extra-flexible electrical leads terminated with stacking banana plugs: § Eight (8) x 15 cm (6 in) § Eight (8) x 30 cm (12 in) § Ten (10) x 45 cm (18 in) § Ten (10) x 60 cm (24 in)

• Troubleshooting Pneumatics System

Faulted Conditioning Unit Features of this equipment shall include:

– One (1) main shut-off valve before air regulation – One (1) pressure regulator

– Two (2) air filters

– One (1) pressure gauge operating up to 100 PSI – Four (4) sleeve valves to control air after conditioning

– One (1) muffler – Possibility to condition and limit the pressure of the air supplied to the pneumatic circuits

– Recommended Compressed Air Supply: § Flow Rate: 90 L/min (3.2 SCFM) approx. § Pressure: 630 kPa (90 psi) approx.

– Filter Regulator: § Maximum Air Flow Rate: 550 L/min (19 SCFM) § Operating Pressure: 50-700 kPa (7-100 psi) § Filtration: 5 µm

– Pressure Gauge: § Diameter: 500 mm (2 in) § Operating Pressure: 0-700 kPa (0-100 psi)

– Outlet Ports: Four

Faulted Accumulator Features of this equipment shall include:

– One-liter metal tank to store pressurized air


– Maximum operating pressure of 100 psi – Volume: 1000 cm3 (61 in3)


Faulted Vacuum Generator Features of this equipment shall include:

– One (1) venturi duct that temporarily restricts the area through which the circuit air must flow – One (1) air intake duct

– Vacuum Pressure: 2130 mmH2O (84 inH2O) at 140 kPa (20 psi) inlet pressure

Faulted Directional Valve, Push-Button Operated Features of this equipment shall include:

– One (1) faulted, three-way, two-position, push button-operated, spring-return directional control valve – Maximum operating pressure of 1050 kPa (150 psi)

Faulted Directional Valve, Double-Air-Pilot Operated Features of this equipment shall include:

– One (1) faulted, four-way, two-position, double air-pilot operated directional control valve

– Operation pressure of at least 140 kPa (20 psi) up to 700 kPa (100 psi)

Faulted Loading Device Features of this equipment shall include:

– One Newton and lbf-graduated force measurement ruler designed to mount on the load device

– One (1) spring enclosed in a clear plastic tube to which can be clipped the ruler

– A spring compression rate of at least 98N/cm (56 lbf/in) – A maximum compression force 500 N (100 lbf)

Faulted Tees Features of this equipment shall include:

– Six (6) push-in tube fittings, interconnected into two (2) groups of three, to which tubes can be connected

– A maximum operating pressure of 1050 kPa (150 pi)

Faulted Long Line Features of this equipment shall include:

– One (1) 3-mm (0.13-in) outside diameter, 11.5-m (38-ft) length of polyethylene coiled tubing to simulate the friction caused by a very long tubing line

– A maximum operating pressure of at least 700 kPa (100 psi)


1 General Description for Virtual Simulation Learning Software The Hydraulics and Pneumatics software shall simulate hydraulics and pneumatics systems into a course that covers fluid power extensively, and recreate a three-dimensional classroom laboratory on the computer screen, enabling students to install virtual hydraulic and pneumatic equipment in the laboratory, interconnect the equipment, and perform measurements and lab exercises. This software will be included with no annual subscription fees and property of the school when purchased. Sophisticated mathematical models shall be fully simulated in real time the mechanical and electrical characteristics of the pneumatic or hydraulic components and electrical control devices of real training system. All components and devices contained in the programs shall feature the same functionality and appearance as a real training system. Menus and toolbars shall be filled with tools, components, equipment, and work surfaces, thus enabling users to create a complete, customized system. Cutaway views, animations, and onscreen measurement tools shall enhance the students understanding.

2 Courseware The curriculum shall consist of fully-illustrated student manuals and instructor guides. The manuals shall be divided into two categories: Student Manuals and Instructor Guides. Student manuals shall include a description of the objectives, a list of required equipment, a list of safety procedures, and a detailed list of steps required to attain the objectives safely and efficiently. The topics shall be introduced in different exercises. Review questions at the end of each exercise shall allow the student to verify what was learned in the student manual. Instructor guides may be used to evaluate students and verify that they have understood the current topic. The following topics shall be covered by the curriculum:

Hydraulics Fundamentals

• Introduction to Hydraulics – Familiarization with the Hydraulics Trainer – Demonstration of Hydraulic Power

• Fundamentals – Pressure Limitation – Pressure and Force – Flow Rate and Velocity – Work and Power

• Basic Circuits – Cylinder Control – Cylinders in Series – Cylinders in Parallel – Regenerative Circuits

• Functional Circuits – Accumulators – Hydraulic Motor Circuits – Pressure Reducing Valves


– Remotely Controlled Pressure Relief Valves • Troubleshooting

– Hydraulic Pumps – Directional Valve Testing – Flowmeter Accuracy – Effects of Temperature on System Operation


• Introduction to Pneumatics – Familiarization with the Lab-Volt Pneumatics Trainer – Introduction to Pneumatics – Air Conditioning and Distributing Equipment

• Basic Physical Concepts – Pressure vs Force Relationship – Pressure vs Volume Relationship – Pressure Drop vs Flow Relationship – Vacuum Generation

• Basic Controls of Cylinders – Directional Control Valves – Directional and Speed Control of Cylinders – Cylinders in Series – Cylinders in Parallel

• Basic Controls of Pneumatic Motors – Indirect Control Using Pilot-Operated Valves – Pneumatic Motor Circuits – Pneumatic Motor Performance

GENERAL SPECIFICATIONS APPLICABLE TO EACH BID ITEM

• Delivery/Assembly/Installation • NO TAX should be included in the bid price as the college is tax exempt. • Luzerne County Community College reserves the right to reject any or all bids or select a single item. • Pricing will be valid for 90 days. • MUST BE DELIVERED BY AUGUST 15, 2016 • All Prices must include freight, installation and onsite training (8hours)

LUZERNE COUNTY COMMUNITY COLLEGE GENERAL CONDITIONS OF BID for NON-CONSTRUCTION


In addition to the enclosed material specifications, Luzerne County Community College (LCCC) requires all Bidders to comply with the following: 1. Bids must be sent by Certified Mail, return receipt requested, by shipping company that tracks deliver, or delivered personally to the Purchasing Department and clearly identified as a bid, including the Bid Number. Bids must be sealed and submitted on the enclosed "Invitation To Bid". Send bids to:

PURCHASING DEPARTMENT LUZERNE COUNTY COMMUNITY COLLEGE

1333 S PROSPECT ST NANTICOKE PA 18634-3899

2. Bids must be received prior to the bid opening stated on the "Invitation to Bid". The bids will be publicly opened and read aloud at that time. Bids received after that date and time will not be accepted. All Bidders are invited to attend bid openings. 3. A CERTIFIED CHECK, CASHIER'S CHECK, BANK CHECK, MONEY ORDER, OR BID BOND payable to LCCC, in the amount of ten percent (10%) of the total bid price must accompany each bid. In the event any Bidder shall upon award of the bid, fail to comply with the conditions guaranteeing the performance of the bid, such certified check or bid bond shall be forfeited to LCCC. 4. NO TAX should be included in the bid price, as LCCC is tax exempt. 5. Quality of goods and specifications must be acceptable to LCCC. Equivalent items will be considered UNLESS “No Substitutions” is listed on the Invitation to Bid. However, where substitutes are submitted, the Bidder shall so indicate in its bid and furnish literature and specifications for the substitute items. Proof of equivalency is the responsibility of the Bidder. If requested by LCCC, samples of equivalent items must be furnished to LCCC for evaluation. All samples must be supplied and returned at the Bidder's expense. 6. Bidders are requested to submit a bid on all items. A partial bid is acceptable unless "Partial bids will not be accepted" is specifically stated on the Invitation to Bid. 7. Bid prices shall INCLUDE all SHIPPING AND HANDLING fees. Items must be shipped prepaid, FOB, Luzerne County Community College, 1333 SOUTH PROSPECT STREET, NANTICOKE, PA 18634. 8. Delivery shall be completed no later than as listed in the specifications, and if not listed in the specifications, then no later than 30 days after the Purchase Order date. 9. Questions concerning the material specifications, bid documents or interpretations of plans should be directed to: Mary James who may be contacted in writing via email at [email protected] by calling 570-740-0622 no later than one (1) day unless otherwise noted prior to stated bid opening. 10. LCCC reserves the right to reject any or all bids or select a single item; LCCC reserves the right to waive defects in the bidding process. 11. LCCC will award the bid to the lowest responsible Bidder. Responsible Bidder is defined as “in the reasonable discretion of the College based upon considerations to include promptness, faithfulness and the capacity and ability to do the work according to plans and specifications, measured by, among other things, the quality of previous work, record of completing projects on time, history of payments to subcontractors and suppliers, maintenance of permanent place of business, adequacy of equipment and plant to do the work, technical experience and whether the Bidder has a solid financial basis to guarantee contract completion.” Questions concerning any requirements of a bid may be directed to Len Olzinski, Director of Purchasing, at (570) 740-0370.


INVITATION TO BID

Notice of the Purchasing and Conflict of Interest Policies in place

at Luzerne County Community College ("LCCC") Each owner/operator/individual/officer submitting a bid or for whom a bid is being submitted on behalf of the owner (each being referred to as a “Provider”) to LCCC certifies that he/she/they are not a spouse, child, parent, brother/sister (each being referred to as an "Immediate Family Member") of any LCCC employee or Board of Trustee member at LCCC who owns more than a one (1%) percent ownership interest in the Provider/Provider’s business. If the Provider is an Immediate Family Member, according to College Policy and Procedure, disclosure must be made, and LCCC may decline entering into a business relationship with the Provider. Disclosure shall be made in writing at the time of submitting the bid to the Director of Purchasing. Violations of any of the policies or procedures may result in rejection of the bid. Additionally, LCCC may have the right to recover damages suffered by LCCC in obtaining an alternative bid, which damages may include, but are not limited to, consequential damages and reasonable attorney’s fees. Copies of these policies and procedures are available from LCCC upon request.

Luzerne County Community College does not discriminate on the basis of race, color, national origin, sex, disability or age in its programs or activities. For a complete copy of the LCCC non-discrimination policy, contact the Human Resources Office at 800-377-5222, extension 7235. Inquiries may be directed to the Title IX Coordinator, John Sedlak, Dean of Human Resources, LCCC, 1333 South Prospect Street, Nanticoke, Pennsylvania, 800-377-5222 extension 7234 ([email protected]). Inquiries related to accessibility services for students may be directed to the Section 504 Coordinator, Rosana Reyes, Dean of Student Development and Enrollment Management, LCCC, 1333 South Prospect Street, Nanticoke, Pennsylvania, 800-377-5222 extension 7423 ([email protected]).


Statement of No Bid Submittal If your company does not intend on submitting a Bid, please complete and return this form prior to the date shown for receipt of Bid to the following: Bid # – 464

Luzerne County Community College 1333 South Prospect Street

Nanticoke, PA 18634 Attn: Len Olzinski

[email protected]

We, the undersigned have declined to propose on the above referenced Bid for the following reasons: Scope of Work or Terms and Conditions are too “restrictive.” (Please explain below) Unable to meet requirements Bid was unclear (Please explain below) Insufficient time to respond We do not offer this type of service or equivalent Current workload would not permit us to perform Unable to meet insurance requirements Other (Please explain below) _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ Name ______________________________________ Title _________________________________ Company __________________________________________________________________________ Address ___________________________________________________________________________ Telephone____________________________________ Fax _________________________________ Signature __________________________________________________________________________ Date _____________________________________________________________________________

Documents

INVITATION TO BID # 464 - Luzerne County Community · PDF file · 2016-05-16Combination/Hydraulics & Pneumatic Training System With Virtual Simulation Learning Software ... 1 Bidirectional