Shop Solutions TrunnionTable_Ad_2.qxp_Layout 1 2/11/14 3:42 PM Page 1
Multipallet machining lies at the heart of Kenlee’s high-mix order system. “A good example is a customer with a blanket order for 100 parts, the same parts per month, 1200 parts per year,” said Lewis. “We probably have 300 different parts tied to blanket order contracts. Parts are manufactured and inventoried in two buckets, limited to 200 minimum or 500 maximum per bucket. Then parts are drawn each week on specific days to keep a constant flow through the plant. This is very demanding. We have schedules down to a science, but it all requires highly reliable, multipallet machining and automation” said Lewis. To maintain the necessary order pace and ensure a steady product flow, Lewis sought Methods Machine Tools’ expertise for recommendations on the best multipallet machining solu- tion. “We wanted a variety of jobs to be pre-set in advance, while also having the flexibility of open pallets available, without tearing down one setup to do another job. By applying this approach, we are always ready to go, with the ability to start, stop, or move to another job at any point in time. And
An operator at Kenlee Precision sets up the KIWA KH-45.
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multipallets also allow unmanned operation for profitable, productive lights-out manufacturing,” said Lewis. Methods recommended a KIWA KH-45 six-pallet HMC which Lewis added to Kenlee’s machine arsenal in late 2013. The 40-taper, 400-mm pallet KIWA in- creased the number of Kenlee’s HMCs to 13, an unlucky number for some but not to Lewis. “We’ve had great success with the KH-45, not only for its speed and fast tool-change feature which is very impres- sive, but also for its accuracy and the large work envelope. The larger travels and 15,000 rpm are ideal for much of our aluminum and steel work,” said Lewis. Kenlee wasted little time putting their
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finishes on contours and excels in holes and boring with the circular interpolation features. We’re running parts in 1044 cold-rolled steel and also aluminum. Even though we’ve been very aggressive with the machine, the speed and performance are great even at feed rates of 200 ipm [5 m/min] in steels.”
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ManufacturingEngineeringMedia.com | July 2014
new KIWA KH-45 to the test, running complex parts in multipallet setups. Their employees gave the machine high marks. Don Wheeler, Kenlee setup man- ager, said: “The KIWA can hold super- tight tolerances all day of up to ±0.0005" [0.013 mm] in holes and contours of challenging parts. It is routinely capable of 32 Ra
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