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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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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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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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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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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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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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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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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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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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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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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