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| Hardinge Workholding - Elmira, New York | |||
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| From bar stock to finished product - 100% in-house Individual care goes into every collet, feed finger and pad, at each manufacturing process, from handling the initial bar stock to polishing and laser etching. Generations of skilled machine operators have taken part in the many important processes of producing a proper hardened and ground collet. Hardinge has been manufacturing workholding and industrial products for all brands of lathes, mills and grinding machines for over a century. Their process expertise, precision and accuracy provides a workholding product that is world-renowned. | |||
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| Acme-Gridley and New Britain S16 collets. | |||
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| A Hardinge Brown & Sharpe collet requires more spread than a lathe collet. The exaggerated spread in this photo shows the incredible flexibility of a Hardinge collet due to the multiple processes that Hardinge uses to provide the best value on the market. | Hardness, Spring and Spread A very important factor in manufacturing collets, feed fingers and pads that are long lasting and provide the performance you expect is the raw material used and the heat treat process control system to guarantee proper hardness and tempering. Collets and feed fingers are prone to breakage where the hardened area meets the tempered area. Hardinge heat treat processes are planned to eliminate breakage on critical design areas to provide a long-lasting product that is not subject to breakage and wean Hardinge collets are 5 to 7 points of Rockwell "C" harder than competitor's products to provide a longer lasting product. The harder the collet, the longer the life, reducing collet changeover and downtime associated with collet changing. However; if a collet is too hard, it could be brittle and break. It is the combination of hardness, spring and spread that Hardinge has perfected over the years at their Elmira, New York facility. Did you know? Many more hours go into the preparation of the material than go into the machining of the collet size and shape. | ||
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