Production Machining

NOV 2018

Production Machining - Your access to the precision machining industrial buyer.

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Page 17 of 51

,ĞůƉŝŶŐWƌĞĐŝƐŝŽŶDĂĐŚŝŶĞ^ŚŽƉƐĞDŽƌĞWƌŽĚƵĐƟǀĞĂŶĚWƌŽĮƚĂďůĞ 16 PRODUCTION MCHINING :: NOVEMBER 2018 /}ÀÜ>`«ÀwÌÌ`>Þ]ÞÕ>ÛiÌÜÀÃ>ÀÌiÀ°9Õ>ÛiÌÀiiÌ lessly eliminate waste. PMPA is the way to expand your knowledge and increase your capabilities in order to grow your business. Through daily interaction with PMPA staff members, you have access to our expertise on important issues. You're also able to tap the collective knowledge of your peers: those who have "been there" and "done that." Through the meetings, resources and online connections, reports and more, we give you the tools to grow. We look at emerging markets and let you know what's hot and what's not. PMPA programs help you un- derstand your markets so you can make sense of the issues. And we provide relevant information to help you make informed decisions. Why Join GROW! Why Join PMPA? 6OEFSTUBOEJOH4UFFM.BUFSJBM4QFDJàDBUJPOTPO/FX+PCT Continued from page 13 to the material's condition, hot rolled, cold drawn or turned and polished. You should also ask about length and thermal treatment at a minimum just to be able to understand the machining performance you could expect. Where Did it Come From and What Does that Mean Understanding our supply base is another important aspect of being able to successfully quote and run a new job. If our shop traditionally runs materials from electric furnace billet cast suppliers and suddenly gets a lot in from a basic oxygen furnace, bloom cast supplier, they are likely to notice differences in machining performance, or post machining processing such as response to cold work operations, crimping, staking or swaging. Knowing what your shop's baseline for supply is will help you calibrate what to expect when material from a new supplier with different processes is ÃÕ``iÞÞÕÀëyÀ° 5RGEKƂECVKQPUCTG0QV1PN[VQDG7UGF#ICKPUV;QW You can minimize the pain and distraction on your shop «iÀ>ÌÃLÞÕÃ}ëiVwV>ÌÃÌ>ÃÃÕÀiÌ>ÌÞÕ maintain complete control over the incoming steel to your shop. No scaly, crooked hot roll for you! No gummy T&P, º ÕÌÀ`iÀi`V`wÃi`LÃÃ]»Ì>ÌÃÃÞ>` bright, but actually cuts gummy, slipping in your collets and requires more horsepower to separate the chip. /iVÕÃÌiÀëiVwV>ÌÃ>Ü>ÞÃÜÀÌÌiÌ>ÃÃÕÀi compliance with their needs. But what can you do to ensure that the material is optimized for your shop operations? Here are a couple of thoughts. To ensure best machinability of non-resulfurized steels, ask for 0.020 wt. % minimum sulfur. Your supplier may not be able to deliver that, but asking for it gives you the chance to say, "No thanks," before they apply a heat of 0.005 wt. % sulfur material that will be known as "toolproof" in your shop. If the job requires subsequent cold work after your machining operations, especially by the customer, you will want to look at holding nitrogen low, and preferring bloom cast over billet cast, and larger reduction ratios (which ÀiyiVÌÌÃLÛiÀÃÕÃLiÌ`vviÀiVi®ÌÃ>iÀÀ>Ìð These differences will give the best chance for crimping, swaging, staking or other cold work operations subsequent to your machining. >ÌiÀ>ëiVwV>ÌÃ>Ài«ÀÌ>ÌVÕiÃ>ÃÌÌiÕÌVi of the processes in your shop and at your customer. >ÃÌiÀ}>ÌiÀ>ÃëiVwV>ÌÃÃ>VÀÌV>wÀÃÌÃÌi«Ì mastering your process and business success. YOURCAREERFACTS.COM PMPASPEAKINGOFPRECISION.COM 2 GREAT BLOGS!

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