Каталог Widia инструментальная оснастка - страница 1090

• WID_TOOLINGSYSTEMS10_G004_G005.qxp.pdf
• WID_TOOLINGSYSTEMS10_G006_G007.qxp
• WID_TOOLINGSYSTEMS10_G008_G009.qxp
• WID_TOOLINGSYSTEMS10_G010_G011.qxp

Technical Information permissible specific unbalance (gmm/kg) Technical Information Balancing Balancing (continued) 20 15 G1 G 2.5 10 G 6.3 5 0 5000 10000 15000 20000 25000 30000 surface finish (Ra) vs. feed rate From the approach described in ISO 1940-1, the requirements for maximum Comparing the cutting forces can provide a reference for the balancing residual unbalance become very strict as speed increases. For example, a G 2.5 requirements. Generally, finishing operations generate lower cutting forces and balancing grade can become unpractical at 25,000 RPM for a tool with a mass require a better balance quality. Though rotating components should always be of 1 kg. The chart shows that the maximum residual unbalance would be 1 gmm, balanced, in most cases it is sufficient to keep the unbalance forces to 5–10% which could be very time consuming to be achieved or even beyond the accuracy of the cutting forces. of the balancing machine. K54 WWW.WIDIA.COM