Achieving World Class Vehicleswith
Agile Fabrication Systems
for
Achieving World Class Vehicles
Table Top Hemmer
August 22, 2001
by
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 2
GSEG Supplies Engineering & Components with Proprietary Technology
We integrate our proprietary technology and independent resources through our Company to deliver world class products for our
customers
Proprietary Technology Suppliers
Process Engineering / Design
Long Term Service & Support
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 3
GSEG
• Global in Our Outlook
• Providing Best Practices in – Lean Processing
– Virtual Factory design
– Low Cost Sourcing
– Functional Build
Our MissionGSEG is committed to eliminating waste, costly duplication of efforts and
production start-up problems for our customers.
We accomplish this by providing proprietary technologies and the simultaneous development and delivery of world class equipment from a
single source through integrated subcontracts.
The Company
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 4
Hemmer Design
• Originally Designed for Cologne Tool & Die Operations
• Over 50 installations in Ford of Europe
• GSEG has exclusive world wide rights to sell the this hemmer design and technology (except to Ford)
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 5
Table Top Hemmer
• Combination Electrical / Pneumatic Drive
• Multiple Die Sets
– Capable of 2 to 4 Models
• Auto Die Change
– 30 Second Model Change
• Aluminium & Laser Welded Blank Capable
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 6
Specifications
• Features– Hemmer & Fixture Operation Pneumatic /
Pneumatic
– Size (l/w/h) 2600x2500x1630 mm
– Cycle Time (hem only) 14 sec.
– Cycle Time (w/part transfer) 24 sec.
– Quick Change Capable Yes
– Cycle Time (w/tool transfer) 30 sec.
– Cycle Time (w/part & tool transfer) 50 sec.
– Part Loading / Transfer Method Robot or Shuttle
– Full Periphery Hem Capable Yes – 2 Strokes/1 Station
– Full Periphery w/Beltline Capable Yes
– Full Periphery w/I/S Window Capable Yes
– Full Periphery w/beltline and I/S Window Capable Yes
– Optimum Open Flange Angle 90º
– Max. Flange Angle Allowed 113º
– Accessibility for Maintenance Yes
– Hem Force (kg/mm) 10kg – 20kg/mm
• Delivery– From P.O. to complete 24 Weeks
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 7
The History of Clinching / Hemming
• Starts with High Speed Lines using Hydraulic Clinch Presses with Tool Change
– Disadvantages » Requires Batch Build
• Moves to Captive Lines with Table Top Hemmers (Electric or Hydraulic Drive)
– Disadvantages » Model Specific
» High Investment for Multiple Models
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 8
Manufacturing’s Requirements
• Model Flexibility
• Reusability
• Model Changeover with Zero Production Loss
• Maintainability
• Accessibility of Clinch Steel
• No Use of Hydraulics
• Global Solution
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 9
New System Design Goals
• Hemmer Family to suit the whole Range of Models
• Model Related Clinch Dies and Reusable Facility
• Quick Die Change
• Use of Production Die for Prototypes
• Modular Design / Construction
– Easy Access for Maintenance
– Simplify Drive System
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 10
Modular Design
Pneumatic / Pneumatic Drive
Die Set
Air Drive
Frame
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 11
StationUPPER FRAME PLATE
POWER CONNECTION(STATION)
GUIDE FOR DIE SET
FRAME
LOWER FRAME PLATE
UNIT FOR DIE POSTIONING AND
CLAMPING
LIFT TABLE
ELECTRIC DRIVE(WAY)
AIR CUSHION(FORCE)
FORCE TRANSMITTER
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 12
Die Set
UPPER DIE PLATE
POWER CONNECTION(DIE)
LOWER DIE PLATE
CAM
CAM DRIVE
90° STEELS
45° STEELS
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 13
Table Top HemmerLoad Condition
– Lifter Down
– Hem Steels Out
Operations Sequence1. Load Part
2. Hem Steels In
3. Electric Lifter Up to 45º Hem Steel (within 10mm of Steel)
4. 45º Hem (Force by Air Cushion Lift Table)
5. Electric Lifter Down
6. Hem Steels Out
7. Electric Lifter Up to 90º Hem Steel (within 10mm of Steel)
8. Hem Steels In
9. 90º Hem (Force by Air Cushion Lift Table)
10. Hem Steels Out
11. Unload
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 14
Table Top HemmerLoad Condition
– Lifter Down
– Hem Steels Out
Operations Sequence1. Load Part
2. Hem Steels In
3. Electric Lifter Up to 45º Hem Steel (within 10mm of Steel)
4. 45º Hem (Force by Air Cushion Lift Table)
5. Electric Lifter Down
6. Hem Steels Out
7. Electric Lifter Up to 90º Hem Steel (within 10mm of Steel)
8. Hem Steels In
9. 90º Hem (Force by Air Cushion Lift Table)
10. Hem Steels Out
11. Unload
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 15
Table Top HemmerLoad Condition
– Lifter Down
– Hem Steels Out
Operations Sequence1. Load Part
2. Hem Steels In
3. Electric Lifter Up to 45º Hem Steel (within 10mm of Steel)
4. 45º Hem (Force by Air Cushion Lift Table)
5. Electric Lifter Down
6. Hem Steels Out
7. Electric Lifter Up to 90º Hem Steel (within 10mm of Steel)
8. Hem Steels In
9. 90º Hem (Force by Air Cushion Lift Table)
10. Hem Steels Out
11. Unload
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 16
Table Top HemmerLoad Condition
– Lifter Down
– Hem Steels Out
Operations Sequence1. Load Part
2. Hem Steels In
3. Electric Lifter Up to 45º Hem Steel (within 10mm of Steel)
4. 45º Hem (Force by Air Cushion Lift Table)
5. Electric Lifter Down
6. Hem Steels Out
7. Electric Lifter Up to 90º Hem Steel (within 10mm of Steel)
8. Hem Steels In
9. 90º Hem (Force by Air Cushion Lift Table)
10. Hem Steels Out
11. Unload
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 17
Table Top HemmerLoad Condition
– Lifter Down
– Hem Steels Out
Operations Sequence1. Load Part
2. Hem Steels In
3. Electric Lifter Up to 45º Hem Steel (within 10mm of Steel)
4. 45º Hem (Force by Air Cushion Lift Table)
5. Electric Lifter Down
6. Hem Steels Out
7. Electric Lifter Up to 90º Hem Steel (within 10mm of Steel)
8. Hem Steels In
9. 90º Hem (Force by Air Cushion Lift Table)
10. Hem Steels Out
11. Unload
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 18
Table Top HemmerLoad Condition
– Lifter Down
– Hem Steels Out
Operations Sequence1. Load Part
2. Hem Steels In
3. Electric Lifter Up to 45º Hem Steel (within 10mm of Steel)
4. 45º Hem (Force by Air Cushion Lift Table)
5. Electric Lifter Down
6. Hem Steels Out
7. Electric Lifter Up to 90º Hem Steel (within 10mm of Steel)
8. Hem Steels In
9. 90º Hem (Force by Air Cushion Lift Table)
10. Hem Steels Out
11. Unload
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 19
Table Top HemmerLoad Condition
– Lifter Down
– Hem Steels Out
Operations Sequence1. Load Part
2. Hem Steels In
3. Electric Lifter Up to 45º Hem Steel (within 10mm of Steel)
4. 45º Hem (Force by Air Cushion Lift Table)
5. Electric Lifter Down
6. Hem Steels Out
7. Electric Lifter Up to 90º Hem Steel (within 10mm of Steel)
8. Hem Steels In
9. 90º Hem (Force by Air Cushion Lift Table)
10. Hem Steels Out
11. Unload
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 20
Table Top HemmerLoad Condition
– Lifter Down
– Hem Steels Out
Operations Sequence1. Load Part
2. Hem Steels In
3. Electric Lifter Up to 45º Hem Steel (within 10mm of Steel)
4. 45º Hem (Force by Air Cushion Lift Table)
5. Hem Steels Out
6. Electric Lifter Up to 90º Hem Steel (within 10mm of Steel)
7. Hem Steels In
8. 90º Hem (Force by Air Cushion Lift Table)
9. Hem Steels Out
10. Unload
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 21
Die Exchange
1. Electric Lifter Up
2. Open Die Position Clamps
3. Clamp Die Bed
4. Electric Lifter Down
5. Engage Tool Change Drive
6. Transfer Model A Out
7. Transfer Model B In
8. Close Die Position Clamps / Electric Lifter Up
9. Un-Clamp Die Bed from Die Set
10.Clamp Die Bed to Electric Lifter
Sequence of Events
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 22
Die Exchange
1. Electric Lifter Up
2. Open Die Position Clamps
3. Clamp Die Bed
4. Electric Lifter Down
5. Engage Tool Change Drive
6. Transfer Model A Out
7. Transfer Model B In
8. Close Die Position Clamps / Electric Lifter Up
9. Un-Clamp Die Bed from Die Set
10. Clamp Die Bed to Electric Lifter
Die Unclamped
Lifter Down
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 23
Die Exchange
1. Electric Lifter Up
2. Open Die Position Clamps
3. Clamp Die Bed
4. Electric Lifter Down
5. Engage Tool Change Drive
6. Transfer Model A Out
7. Transfer Model B In
8. Close Die Position Clamps / Electric Lifter Up
9. Un-Clamp Die Bed from Die Set
10. Clamp Die Bed to Electric Lifter
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 24
Die Exchange
1. Electric Lifter Up
2. Open Die Position Clamps
3. Clamp Die Bed
4. Electric Lifter Down
5. Engage Tool Change Drive
6. Transfer Model A Out
7. Transfer Model B In
8. Close Die Position Clamps / Electric Lifter Up
9. Un-Clamp Die Bed from Die Set
10. Clamp Die Bed to Electric Lifter
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 25
Die Exchange
1. Electric Lifter Up
2. Open Die Position Clamps
3. Clamp Die Bed
4. Electric Lifter Down
5. Engage Tool Change Drive
6. Transfer Model A Out
7. Transfer Model B In
8. Close Die Position Clamps / Electric Lifter Up
9. Un-Clamp Die Bed from Die Set
10. Clamp Die Bed to Electric Lifter
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 26
Maintenance
Die Set Out of Frame
down
openopenUnclamp Die
Lifter Down
Flexible Hemmer
© 2004 Global Systems Engineering Group, LC 27
To Contact Us
Joerg HoeferCEO
667 Elmwood, Suite 100Troy, Michigan 48083-6011
P.O. Box 1496Troy, Michigan 48099-1496
248-819-8452FAX 248-597-9149
Internet [email protected]://www.GSEGLC.com
Dave FisherVice President
777 Wimbleton DriveBirmingham, Michigan 48009-7604
248/321-2930FAX 248/540-2219
Internet [email protected]://www.GSEGLC.com