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Tailgate
What is fastened?
- The hinge between the the tailgate and the chassis
What are the difficulties?
- The tailgate has to be fastened to the chassis in the closed position
- Parallel fastening in very tight space and high torque
- Complete fastening system including drives, fasteners
- The start must be actuated externally
What is Lübbering‘s solution?
- Synchronised fasteners which are remotely and centrally controlled but separately fastened through pre-tightened torque
- Designing a fastening system which includes drives, gears and torque shutoff
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Brake line
What is fastened?
- (A) Hydraulic brake line at Porsche 911 and Porsche Boxter
- (B) The brake line in the front and rear wheel arches at Porsche Cayenne
- (C) Fastening on the underside of the car
What are the difficulties?
- (A) The access is difficult and tight space
- (B) Poor visibility for the worker and safe fastening: A-fastening
- (C) Holder is essential | the fastener must be held in position, as it cannot be attached to the car
What is Lübbering‘s solution?
- (A) 4-stage Inline geared offset head for best access to the fastening application in combination with an Atlas Copco EC-Tool which will provide the correct torque
- (B) The smallest possible geared offset head with maximum performance and high repeatability
- (C) The separation point is fastened in one step with an open geared offset head with a sliding holder
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Cardan shaft
What is fastened?
- Cardan shaft flange in the front and back
What are the difficulties?
- Reinforcing and centering the torque on the cardan shaft
What is Lübbering‘s solution?
- 2 variants for cardan shafts for the front and back
- Geared offset head with swivelling holder which avoids the twisting of the cardan shaft when applying the torque
- Additionally, the machine operator can keep on turning the cardan shaft with the fastening system to reach the next fastening position
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Drive shaft
What is fastened?
- (A) The central screw on the cardan shaft
- (B) Flange cardan shaft (is fastened to the gearbox with several (6 to 8) fastenings per side)
What are the difficulties?
- (A) Central nut with extrem large width across flats | the nut is fastened to the left | Accuracy required by the customer: +/- 10 %
- (B) Critical fastening access and angle fastening with high end torque
What is Lübbering‘s solution?
- (A) Open geared offset head with holder (A/F 50 / A/F 64) | Accuracy of the geared offset head: +/- 7,22% | capable of 100 Nm
- (B) Inline geared offset head with insert for bit extension to improve access | output torque of 100 Nm at minimal radius
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Track setting
What is fastened?
- Steering track-rod
What are the difficulties?
- Track-rod must be removed, adjusted and refastened
- Two different track-rods with different widths across flats
- Consistent, lasting accuracy during the process is required
What is Lübbering‘s solution?
- Complex special design of the track setting tool
- Opened geared offset head with a multiple function output socket gear
- To achieve a „swimming“ installation of all components to ensure operation from every angle
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Exhaust system
What is fastened?
- Clamps on the exhaust system with two screws
What are the difficulties?
- Fastening both screws simultaneously
- One tool has to drive two outputs (torque must be 50-50)
What is Lübbering‘s solution?
- Complete redesign of the differential gear
- Special fastening system with differential gear
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Front flap
What is fastened?
- The front flap at the hinge
What are the difficulties?
- Critical access in the engine block
- Has to be fastend in closed room due to gap measurement
What is Lübbering‘s solution?
- Fastening sytsem consisting of Special-Line, adapter, output socket, nut, drive motors and control system
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Roll stabiliser
What is fastened?
- The central screw on the roll stabiliser
What are the difficulties?
- Large widths across flats (82mm & 110mm)
- Readjustment of the output socket profile through an adjustment ring must be possible
- The fastening process takes places on a measuring bench
- The geared offset head housing must also serve as a measuring tool
What is Lübbering‘s solution?
- Opened geared offset head with an output torque of 500 Nm
- Measuring scale on the output socket gear
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Engine
What is fastened?
- (A) Ground cable at Porsche Cayenne
- (B) Converter fastening at Porsche Cayenne
What are the difficulties?
- (A) Limited space and highest safety requirements: A-fastening
- (B) Difficult to see the fastening Position | maximum torque from minimum size of geared offset head
What is Lübbering‘s solution?
- (A) Geared offset head from our standard range
- (B) Special geared offset head is designed to provide the worker with optimum view | Geared offset head for pre- and end-tightening
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Damping rod
What is fastened?
- Damping rod with 38 Nm
What are the difficulties?
- Hold and drive is necessary because otherwise the fastened „head“ of the damping rod will twist with the suspension strut
What is Lübbering‘s solution?
- Hold and drive angle head | Fastening tool as emergency strategy with Bosch battery tool
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Fuel line
What is fastened?
- Fuel line in the engine bay / bulkhead at Porsche Cayenne
What are the difficulties?
- Limited Access
- Line must not twist during the fastening process
What is Lübbering‘s solution?
- The smallest possible geared offset head with integrated manual holder
- Compact and light design
- Minimum weight improves the handling experience of the worker