eBulletin, January 2007

January 25, 2007

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Featured Articles

COMMENTARYIsn't it time to teach CNC to students? Should high schools and vocational/technical education schools teach manual or CNC machining processes to their students?Read more. How Best Shops Reduce Cycle Times Data from the 2006 American Machinist Benchmarking Survey relates what the best shops do to reduce their machining cycle times and drive up profit.Read more. Cycle Time First, Tooling Second Shops should base tooling decisions on increased productivity and how the tooling affects their bottom lines. Often, that means paying more for tooling at the start of a job.Read more. Adaptive Control Save Tools and Time Adaptive control systems have been in use for more than 40 years, but new software technology has advanced this old process, and helps shops to save tooling costs and machining time.Read more. The Good News About Bad Vibes Changing machining techniques and conditions can eliminate vibration and chatter in a job, and increase cut quality and productivity.Read more. Need To Share CAD Files? DWF IT The Design Web File format was designed in the 1990s as a format that would allow users to share large, complex files such as those used for CAD drawings. This format is available free of charge, and allows shops and their customers to exchange huge amounts of data.Read more. Feed Drive Positioning Error Friction is an enemy in machining, especially for ball screws. Machining accuracy can be ensured by making plans to deal with friction and the heat it produces.Read more. Simple Multiaxis MotionRead more. FEATURED ADVERTISER JobBOSS

Lean Success: How a toolmaker used lean to shorten lead times, increase quality and cut costs. Sponsored by Cimatron Tuesday, January 30 at 2pm ET Manufacturers around the globe and across all industries are turning to Lean Manufacturing techniques to help them stay competitive. EIMO Americas provides a shining example of a toolmaker that has fully embraced lean manufacturing and has the results to show for it: shorter delivery times, lower cost of production, and high quality products that keep customers coming back. Click here to register. FEATURED ADVERTISER Makino

Makino— a leading manufacturer of horizontal and vertical machining centers and EDM machines — has announced a new series of online Webinars. Designed for shops of all types and sizes, the seminars are free to anyone who registers. The planned seminars are intended for shops in the automotive, aerospace, medical product and die and mold industries. In addition to metal cutting and die/mold, the seminars will cover new technologies, such as micromachining. Mark Rentschler, marketing manager, says, "Online seminars allow anyone with an Internet connection to attend without losing a day of work." The seminars concentrate on shop efficiency, lean manufacturing, asset utilization, machine tool integration and automation, machine tool technologies, and metal cutting processes. Makino's application engineers, product managers and guest speakers will give presentations. Click here for more info on upcoming seminars and registration information.

Practical Machinist Metalworking Forum

Endmill selection for gear teeth "At work, an engineer and I are experimenting with our CNC vertical mill. We have a project that involves cutting the teeth on a small bevel gear. Should a ball nose endmill be used to cut the contours of the teeth?" Polishing a crank pin "My Listeroid diesel has a few scratches on the surface of the crank pin that I want to get rid of. I've never done any metal polishing to a mirror like finish and could use some advice on techniques, materials to use etc." Very large one-person manual shops. "Two very large shops run by one person in a relatively small radius. Is it usual for one-person shops to have this many machines?"

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Quick Manufacturing News

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