Process Selection Handbook of Machining with Grinding Wheels

The various new and competing technologies, each requiring somewhat different process conditions, require careful consideration of the end users’ true needs especially when considering capital equipment expenditures. This can be readily understood by considering as an example the recent changes in the processing of nickel alloy-based aeroengine components, for example, high tem­perature blades and vanes. Read more

Economic evaluation of conventional AND CBN wheels Handbook of Machining with Grinding Wheels

19.10.1 Introduction Under particular through-feed centerless grinding conditions, results presented by Koenig and Henn [1982] showed that the minimum cost per part was achieved at removal rates between 1 and 6 mm3/mm/s. Increasing or reducing removal rate from this range increased costs. Such results are useful for demonstrating an approach to optimization. In this section, Read more

GUIDEWAYS Handbook of Machining with Grinding Wheels

15.3.1 Introduction Guideways are the elements or surfaces that carry and guide the moving elements such as work­piece holder/drives and wheel and dresser heads. Guideways can be divided into two categories— sliding and rolling element. Guideways of either type are often known simply as slideways. Their selection is dependent on many factors such as speed, Read more

Double-Barrel Plunge-Form Dresser Handbook of Machining with Grinding Wheels

Figure 15.52 shows a double-barrel infeed carrier with hydraulic-mechanical compensator for plunge form dressing used on a Cincinnati 480 30° plunge centerless grinder. It replaced a hydro­static single-point dresser unit and was equipped with a DFW-HHD heavy-duty hydraulic spindle. FIGURE 15.52 Hydraulic-mechanical compensator plunge infeed system for centerless grinder. 15.18.6 Triple-Barrel Infeed Carrier with Hydraulic-Mechanical Read more