Screwdriving and Assembly Technology
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DEPRAG Inc., USA
DEPRAG is a German Engineering and Manufacturing Company with 89 years of Experience in Screwdriving and Assembly Solutions.
“We Develop and Manufacture High-Tech Screwdriving Technology”
Headquarters: Amberg, Germany
Subsidiaries: China Czech Republic France Scandinavia United Kingdom USA South Korea (Joint Venture)
DEPRAG Headquarters in Germany
DEPRAG Assembly Technologies Co., Ltd., China
DEPRAG CZ a.s., Czech Republic
GLOBAL
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- Equipment - Process - Fasteners - Support Tooling - Mixed Material Case Study - Parametrization & Joint Testing
General Overview
Flow Fastening Technology
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- The most Advanced Flow Fastener Installation Tool - Dual Servo System, Servo Stroke & Servo Driver - Flexible through Advanced Adaptive Technology - Capable of installing all Flow Fasteners with 1 Tool - Complete package: including Controls, Feeder and Head
“ADFS” Adaptive DEPRAG Fastening System
Equipment
Flow Fastening Technology
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Equipment
Flow Fastening Technology ■ Robot or Fixed Mount Tooling
■ Feeding System can be a Sword, Bowl or Step feeder
■ IPC Control System with HMI
■ Global Electronic Controls, 400-500VAC (Available as UL Listed)
■ A Complete Ready-To-Run System
■ Dual Servo ADAPTIVE Technology
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Equipment
Flow Fastening Technology
■ The Closed Loop Dual-Servo system is continuously verifying and comparing all fastener installation parameters. These process parameters will automatically adjust to produce an optimized cycle. ■ Rotation Speed 8000RPM ■ Rotational Torque 15Nm ■ Total Down Force 4700 N ■ Feed Rate 300mm/s ■ Standard Quick Change End Tooling, for use with Adhesive
EC-Servo Screwdriving Technology
Closed Loop
EC-Servo Stroke Technology
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Process
Flow Fastening Technology
• Step 1: Heating • Step 2: Penetrating • Step 3: Funnel forming
• Step 4: Thread forming • Step 5: Screwdriving • Step 6: Tightening
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Fasteners-Threaded
EJOT FDS® (Flow Drill Screw) - Thread forming fastener for mixed-material joining [M4, M5, M6 with custom lengths] Manufactured by EJOT, Semblex, ATF Availed in High Strength M4 EJOT FlowPoint DELTA PT® - Direct fastening in thermoplastic carbon fiber material [M5 with custom lengths]
Flow-Fastening Technology
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Fasteners-Threaded
ARNOLD FlowForm ® – Self Piercing, Thread Forming, extruding fastener for single sided applications with dissimilar material (M4-M6, various length) ARNOLD FlowForm Plus® – Self Piercing, Thread Forming, extruding fastener for HIGH Strength material (M4-various length) ARNOLD FlowPlast®-for plastic and composite material
Flow-Fastening Technology
The common drive for these Threaded Fasteners is the 12EP and 10EP.
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Fasteners-Push Type
ARNOLD FlowPush ® – Push Fastener intended for high speed applications. ARNOLD FlowPush Plus ® – Spiral Push Fastener intended for high speed applications requiring higher clamp load
Flow-Fastening Technology
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Fasteners-Special
Semblex FlowStud – FDS® Thread forming fastener for mixed-material joining, with additional stud threads (various type) protruding from head. Semblex FastFlowTM FDS® Multiple helix thread forming fastener for high speed process times
Flow-Fastening Technology
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Support Equipment
Fixed Systems: - Single-Spindle - Muti-Spindle - Operator loaded - Conveyor loaded - Any direction - Robust tool mounting and robust
part fixturing is needed
Flow-Fastening Technology
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Support Equipment
Robotic Systems: - Single-Spindle - Operator loaded - Conveyor loaded - Any direction - Robust robot and part fixturing
is needed
Flow-Fastening Technology
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Example Case Study Material Overview
Material Matrix
Material Type Thickness + Material Type Thickness Data Set#
1 CR210IF 1,00 mm + AL6 AC300 1,50 mm Data Set 1 Flexibility: Steel Sheet Thickness
2 CR210IF 1,75 mm + AL6 AC300 1,50 mm Data Set 1
3 AL6 AC300 1,50 mm + CR210IF 1,75 mm Data Set 1 Flexibility: Joining Direction
4 AL6 AC300 1,50 mm w/Hole + CR210IF 1,75 mm Data Set 1 Flexibility: with Prehole (Test: Turn over and in pre-hole joining)
5 CR210IF 1,75 mm + AL6 AC300 2,50 mm Data Set 2 Flexibility: Material Steel Sheet
6 LAC420Y480T 1,50 mm + AL6 AC300 2,50 mm Data Set 2
7 CR210IF 1,75 mm + AL6 AC300 1,50 mm Data Set 1 Joining not necessary (s. o.)
8 CR210IF 1,75 mm + AL6 AC300 2,50 mm Data Set 1 Flexibility: Aluminum Sheet Thickness
9 CR210IF 1,75 mm + AL6 AC300 3,00 mm Data Set 1
10 CR210IF 1,75 mm + AL6 AC300 1,50 mm Data Set 1 Joining not necessary (s. o.)
11 CR210IF 1,75 mm + AL5 1,50 mm Data Set 1 Flexibility/influence aluminum sheet
12 CR210IF 1,00 mm + Al Cast 3,00 mm Data Set 1 Flexability Alu Mat.-Typ (sheet to cast)
Flexibility through
Adaptive Technology, that is the
ADFS!
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Total Graph Example
• Rotational Torque • Rotational Speed • Rotational Angle • (screw) Position • Stroke Feed Speed • Stroke Force • Process Step • Pierce Detection • Jaws Opening
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Flexibility: Steel Sheet Thickness
1 2
Material Stack 1: CR210IF / 1,00 mm + AL6 AC300 / 1,50 mm Data Set 1 Material Stack 2: CR210IF / 1,75 mm + AL6 AC300 / 1,50 mm Data Set 1
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Flexibility: Joining Direction
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Material Stack 3: AL6 AC300 / 1,50 mm + CR210IF / 1,75 mm Data Set 1 Material Stack 4: AL6 AC300 / 1,50 mm + CR210IF with prehole / 1,75 mm Data Set 1
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Flexibility: Material Steel Sheet
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Material Stack 5: CR210IF / 1,75 mm + AL6 AC300 / 2,50 mm Data Set 2 Material Stack 6: LAC420Y480T / 1,50 mm + AL6 AC300 / 2,50 mm Data Set 2
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Flexibility: Aluminum Sheet Thickness
7 8 9
Material Stack 7: CR210IF / 1,75 mm + AL6 AC300 / 1,50 mm Data Set 1 Material Stack 8: CR210IF / 1,75 mm + AL6 AC300 / 2,50 mm Data Set 1 Material Stack 9: CR210IF / 1,75 mm + AL6 AC300 / 3,00 mm Data Set 1
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Flexibility/Influence: Aluminum Sheet
10 11 12
Material Stack 10: CR210IF / 1,75 mm + AL6 AC300 / 1,50 mm Data Set 1 Material Stack 11: CR210IF / 1,75 mm + AL5 / 1,50 mm Data Set 1 Material Stack 12: CR210IF / 1,00 mm + AL Cast / 3,00 mm Data Set 1
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Result: All screws driven with Data-set 1
2 3 4 7 8 9 10 11 12
Flexibility: Steel Sheet Thickness
Flexibility: Joining Direction
Flexibility: with Pre-hole
Joining not necessary
Flexibility: Aluminum Sheet Thickness Joining not
necessary Flexibility/influence aluminum
sheet
Flexability Alu Mat.-Typ
(sheet to cast)
1 CR210IF/1,00mm + AL6 AC300/1,50mm
CR210IF/1,75mm + AL6 AC300/1,50mm
AL6 AC300/1,50mm + CR210IF/1,75mm
AL6 AC300/1,50mm + CR210IF/1,75mm
CR210IF/1,75mm + AL6 AC300/1,50mm
CR210IF/1,75mm + AL6 AC300/2,50mm
CR210IF/1,75mm + AL6 AC300/3,00mm
CR210IF/1,75mm + AL6 AC300/1,50mm
CR210IF/1,75mm + AL6 AC300/2,50mm
CR210IF/1,75mm + AL6 AC300/3,00mm
Flexibility / influence aluminum sheet material Flexibility / influence aluminum sheet material
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Result: All screws driven with Data-set 2
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Flexibility: Material Steel Sheet
CR210IF/1,75mm + AL6 AC300/2,50mm
LAC420Y480T/1,50 mm + AL6 AC300/2,50mm
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Comparison of Dataset 1 und Dataset2
Data Set 1 Data Set 2
0 General same
1 Pre-Positioning same
2 Engagement same
3 Penetration
Feed Motion
3.10 Down Force Upper Limit [N] 2500 2500
3.11 Feed Rate [mm/s] 8 8
3.12 Start Down Force [N] 500 500
3.13 Detection Set Point [%] 50 50
3.14 Off-set Penetration [mm] 0 0
Schrauber
3.20 Torque Upper Limit [Nm] 10 10
3.21 Speed [rpm] 6500 3000
General
3.30 Supervision Time [ms] 5000 5000
4 Thread Forming same
5 Final Tighening same
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Paramaterization
Flow Fastening Technology Advanced: - Complete display of all user parameters - Full Function in Advanced Environments - Use by OEM R&D facilities - Used by Material Testing Labs - Used by Screw Manufacturers
Basic: - Displaying only simplified parameters - Use of Data-Set Templates (Screw&Push) - Color code by function
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Joint Testing
Flow Fastening Technology
Data courtesy of Semblex
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Joint Testing
Flow Fastening Technology
Pretest: - 2 complete test part
are needed for each test series to determine Ti, Ts and Tt
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Joint Testing
Flow Fastening Technology Sheering Test: - A screw is driven
into the 2 layers then the layers are pulled to failure recording the required force.
- A Minimum of 5 parts should be tested per joint.
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Joint Testing
Flow Fastening Technology Peeling Test: - A screw is driven into
the 2 layers then the layers are pulled to failure recording the required force.
- A Minimum of 5 parts should be tested per joint.
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Thank You