POST-INDUCTION TEMPERING OF CV JOINTS
The Constant Velocity Joint is one of the most successful examples of high speed convection tempering. With 9 systems installed with three global CV Joint manufacturers, acceptance of soak time elimination is now past tense.
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Eliminating the soak time muda (waste) requires precision. Not only precision of temperature uniformity, but precision in repeatability of heat transfer. Furnace design is a key factor in the performance of high-speed tempering processes. Heat transfer precision was demonstrated by thermal profile of the first, middle and last part in a 100-piece run.
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The CV Joint story begins in 1999 with the acceptance of high-speed convection tempering at Ford Motor Company. With an aggressive 10-minutes cycle time, manual part handling was eliminated and work-in-process reduced by upwards of 90%.
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A North American CVJ supplier replaced their in-line induction tempering process with Pyromaitre's high-speed convection technology. As the induction tempering process was the line bottleneck, its elimination allowed for nearly a doubling of line capacity. Pyromaitre ovens with 20-minutes tempering and recirculating air coolers were integrated to deliver a considerable return on a modest capital investment.
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A South American CVJ supplier selected Pyromaitre's high-precision convection technology to reduce their WIP and streamline their lean compact manufacturing cell. The 20-minutes Pyro process was less than 1/3 of the conventional recipe.
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With 400 systems operating in 15 countries, Pyromaitre is your global source for high-precision industrial tempering ovens. Give us a call to find out how we can PYROvide you with a competitive advantage?
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