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CNC Gear FormGrinding Machine
LFG-3540
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Presentation of High Precision and the Best Performance-To-Price RatioMachine Introduction
CNC Gear Form Grinding MachineLFG-3540Luren Precision Co., Ltd. has been dedicating to the R&D of gear machining since 1994. We have extended the cut-tools technologies of Mechanical and Research Laboratories, ITRI, and integrated the research resource from the best universities, built the production lines of hobs and shaving cutters, and successfully and stably sold our products to European, American and Asian markets. In grinding machines, Luren Precision produces the gear form grinding machines, worm thread grinding machines and cutting tools sharpening machines; and earns outstanding
reputations in the fields. The LFG-3540 Gear Form Grinding Machine applies the FANUC controller and high-speed grinding spindle; through the Luren Precision-developed intelligent conversations window software, it can flexibly output the required tooth profile and grinding parameters. The workable machining workpieces include the involute gears and cycloidal gears; the high-efficiency and high precision expressed from the products are equivalent to worldwide-top brand's ones; LFG-3540 is your best choice.
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CNC Axes Descriptions
Y
X
N
BA
Z
High Rigidity and StabilityMachine Features
X-axis Wheel axial slide
Y-axis Wheel radial slide
Z-axis Workpiece axial slide
A-axis Workpiece Indexing
B-axis Wheel Swiveling
N-axis Grindingspindle
■ LFG-3540 uses stable frame structure, high rigidity and high efficiency to earn wide reputation worldwide.
■ LFG-3540 applies the globally famous FANUC controller and servo & direct-drive motors; each axis can move simultaneously and receive a high-precision performance.
■ The Luren Prec is ion-deve loped intel l igent conversations window software supports the complete machining process. Machine can generate NC program automatically through the parameters-input and setting of grinding conditions via the conversation, and thus increases the working efficiency significantly.
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Except the standard mechanical functions LFG-3540 could also option the Luren-developed special mechanical functions, which including rotary dresser unit, automatic electric adjustment of the tailstock, automatic positioning and on-line grinding wheel balance system.
220G(Outside diameter 220mm)Equipped with lager high-precision performed bearings. The stronger cutting force could improve the processing efficiency.
170G(Outside diameter 170mm)HSK grinding wheel arbor for quick change-over, suitable for smaller quantity and versatile gear grinding. A smaller grinding wheel is mounted to grind smaller gears, or gears with a close shoulder.
Built-in grinding spindle
Manual adjustment (standard equipment)
Electric adjustment (optional)
Tailstock adjustment unit
Automatic positioning (optional))Enable to detect the excessive run-out of the blank before grinding and reduces the installation time of the operator.
On-line grinding wheel balance system (optional)Easy to correct the run-out of the wheel.
Special mechanism
Diamond point dressing unit (standard equipment)
Disk dressing unit (optional)Rotary dresser has long lifetime, high stability and makes little tooth-profile deviation.
HSK arbor
Dressing unit
Unique Design Brilliant PerformanceUnit Introduction
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Gear dataAccording to workpiece drawing to input the gear parameters and automatically calculate the matched cycloidal gear profile and simulate assemble of the pin and cycloidal gear.
Gear dataFollow workpiece drawing to input the gear parameters and automatically calculate the matched gear profile. Freely zoom-in/out the graphics to check/confirm gear-profile details.
Profile modificationThe drag-control-point curve facilitates operator to modify gear profile and lead crowning according to customer's requirement
Involute gearOptional to provide anti-twist for gear tooth flank (Bias-free) function.
Cycloidal gear
Innovative R&D Intelligent NC TechnologySoftware Technology
Intelligent Software TechnologyLuren Precision has developed the gear form grinding software, all inputs apply the dialog blocks that enable operator to set gear data and grinding process parameters in a flexible matter; the software will generate complete NC program automatically and guide operator to run the grinding process.
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Machining ExamplesGears are widely used in daily life. The main purpose of the gears is for the power transmission via different gear pairs to match of some change from the torque, speed and direction. The Involute gear characteristics compared to the other type gear profiles are easier to be machined, high replaced, heavy loading and easier to be assembled. The Cycloidal gear is used in high-precision cycloidal reducer which is also common in the robotic arm.
Cluster gearIn order to increase the gear strength and reduce assembly error, gears are often designed on the gear shaft.
Cyclodial gearCycloidal reducers are capable of higher gear ratio, smaller volume and lower noise.
Master gearThe master gears can be used to check and correct gear measuring machine, also can be used in gear meshing test to check the workpiece to comply with the accuracy requirement.
Copper electrodeThe EDM can machine special material workpieces. The copper is the normal electrode material in EDM.
Machining
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MAIN SPECIFICATIONSGrinding wheel spindle motor 170G 220GMin. / Max. workpiece outside diameter 30mm / 400mm 30mm / 400mm
Max. module M8 (DP3.2) M8(DP3.2) (diamond point dresser)M12(DP2.1) (diamond rotary disc dresser)
Teeth range 9~999 9~999Max. tooth depth 18mm 27mmHelix angle ±45° ±45°MECHANICAL SPECIFICATIONSMin. distance between centers (standard) 14mm 80mmMax. distance between centers (standard) 685mm 750mmMax. distance between centers(through-bore in workhead) 1200mm 1200mm
Max. face width (B-Axis 0º ) 400mm (B-Axis 0º ) 400mmMax. axial slide travel (Z-Axis) (B-Axis 0º ) 650mm (B-Axis 0º ) 650mmMax. axial slide travel (Z-Axis) (B-Axis 45º ) 210mm (B-Axis 45º) 235mmA-axis can accommodate a maximum outside diameter of the workpiece 110mm 110mm
Max. table load (workpiece with fixture) 80kg 80kgGRINDING WHEEL SPECIFICATIONSMin. wheel root diameter/Max. wheel outside diameter 50mm / 230mm 210mm / 320mmMax. grinding wheel thickness 30mm 40mmMax.rpm of grinding spindle 10000 rpm 4000 rpmDrive power of grinding spindle 20 kW 17kWELECTRIC SYSTEMVoltage 3Ø 220VCurrent requirement 50 AmpAmbient Temperature 10°C ~ 40°C (50°F ~ 104°F)Max. load of machine 20 kVACNC CONTROLLER
FANUCDIMENSIN & WEIGHT
Space RequirementL 4110 x W 3820 x H 2345mmL 162” x W 151” x H 93” (800mm (32”) on each dimension is required for maintenance).
Weight of basic machine 8500kg 18700lbNote: The specifications are subject to the contract, as well as new technology and industrial advancements available.
No. 170G 220GA 649 736B -1 86C 216 241D 25 85E 315 735F 685 750G 14 80
(Top view) (Front view)Travel of each axis
Top-of-the Line Equipment and Quality AssuredMechanical Specifications
02/2017
HeadquartersNo 1-1, Li-Hsin 1st Rd., Hsinchu Science Park, Hsinchu 30078, TaiwanTe l : +886-3-578-6767Fax: +886-3-578-4933
Shanghai Branch
Luren Precision Machinery(Shanghai) Co., Ltd.6B, Building 2, 401, CaoBao Rd.,Xuhui Dist., Shanghai, 200233 ChinaTe l : +86-21-5497-1105Fax: +86-21-5497-1095
Chicago Branch
Luren Precision Chicago Co., Ltd.707 Remington Road, Suite 1, Schaumburg, IL 60173, USATel : +1-847-882-1388Fax: +1-847-882-1933www.lurenusa.com
Osaka Branch
Luren Precision (Japan) Inc.Tec-Shin Osaka BLD. 3F, 4-2-2, Kikawahigashi, Yodogawa-ku,Osaka-shi, Osaka, 532-0012, JapanTel : +81-6-6100-1168Fax: +81-6-6100-1170
