Modern Machine Shop

MAY 2018

Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; business management; networking; and event information that companies need to be competitive.

Issue link: https://mms.epubxp.com/i/971097

Contents of this Issue

Navigation

Page 95 of 179

z z z BETTER PRODUCTION MMS MAY 2018 94 mmsonline.com CENTERLESS GRINDING grinding process. Preparing the Giz- motron shaft for grind- ing required ensuring that initial turning of the shaft's profile (an operation conducted on an L20 Type IX Swiss-type lathe from Marubeni-Citizen Cincom) leave 0.005 inch of extra material on the main diameter. The shaft was then placed on a work-support blade between the grinding and regulating wheels of Cincinnati Milacron Cinco 15, an NC-con- trolled centerless grind- ing machine with CNC dresser. The extra stock left by the turning oper- ation ensured that the grinding wheel, wide enough to cover the Cut your COOLANT disposal costs up to 90%. RECYCLE AND REUSE METALWORKING COOLANTS The PRAB Guardian™ Coolant Recycling System is a centralized collection point that removes tramp oil and suspended solids from contaminated coolant, controls bacteria and can adjust fluid concentration, for coolant reuse and significant cost savings. z Fast Payback- Average return is 6 to 9 months. z Reduce Disposal Costs- up to 90%. z Recycle Coolant- Remove tramp oils to 0.1% or less. (888) 324-2576 sales@prab.com www.prab.com/mms The height of the work blade support is critical in center- less grinding. Mounting a workpiece with high or low points along its periphery at the centerline of the wheels, as shown at left, generates a lobed shape like the exaggerated one shown at right. This shape has a constant diameter, but making it round as well requires elevating the work blade. Precise positioning varies by application. WORK REGULATING WHEEL GRINDING WHEEL WORK BLADE

Articles in this issue

Links on this page

Archives of this issue

view archives of Modern Machine Shop - MAY 2018