Page 17 - MetalForming-Sep-2018-issue

Tooling by Design
tool-steel suppliers offer an array of powered metallurgy (PM) for premium tooling components. This type of tool steel offers fine, uniform and consistent carbide distributions after heattreatment that improve tool strength and wear resistance. PM die steels also are excellent substrates for additional wear-resistant coatings.
• Ensure that the draw lubricant is specifically formulated for stainless steel. Forming stainless steel generates high friction where the sheetmetal and die surfaces meet. This friction converts into high-temperature heat energy, capable of breaking down lubricants commonly used to form low- carbon steel. In this particular case, an extreme-pressure lubricant with good film strength and wetting characteristics may be required.
Very important: selecting the proper lubricant for the temperature range in which the forming process operates. Work directly with your lubricant supplier to select the best lubricant for your particular application and temperature. After all, there are good reasons why suppliers offer so many different types of lubricants. MF
Want to learn more wear solutions? Join me in Cleveland, OH, October 2-3 for PMA’s Designing and Building Metal Stamping Dies seminar. Register at pma.org or contact Mar- ianne Sichi, msichi@pma.org.
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Contact Chris Alexander, National Sales Manager at 908.213.9001 or visit: 4slide-nc.com
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