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Rotating abrasive wheels on a bench grinder. 8 in (200 mm) wire brush mounted to bench grinder (tool rest in foreground). A bench grinder is a benchtop type of grinding machine used to drive abrasive wheels. A pedestal grinder is a similar or larger version of grinder that is mounted on a pedestal, which may be bolted to the floor or may sit on ...
Rotating abrasive wheel on a bench grinder. Pedal-powered grinding machine, Russia, 1902. A grinding machine, often shortened to grinder, is any of various power tools or machine tools used for grinding. It is a type of material removal using an abrasive wheel as the cutting tool. [1]
The tolerances that are normally achieved with surface grinding are ±2 × 10 −4 inches (5.1 μm) for grinding a flat material and ±3 × 10 −4 inches (7.6 μm) for a parallel surface. [4] The surface grinder is composed of an abrasive wheel, a workholding device known as a chuck, either electromagnetic or vacuum, and a reciprocating table.
Bench grinder; Jointer; Wood lathe; Mortiser; Panel saw; Pin router or Overhead Router; Radial arm saw; Scroll saw; Spindle moulder (Wood shaper) Stationary sanders, including stroke sanders, oscillating spindle sander, belt sander, disc sander (and combination disc-belt sander). Table saw; Tenoner or tenoning machine; Thicknesser or Thickness ...
Noble, David F. (1984), Forces of Production: A Social History of Industrial Automation, New York, New York, US: Knopf, ISBN 978-0-394-51262-4, LCCN 83048867. One of the most detailed histories of the machine tool industry from World War II through the early 1980s, relayed in the context of the social impact of evolving automation via NC and CNC.
Some grinders are even used to produce glass scales for positioning CNC machine axis. The common rule is the machines used to produce scales be 10 times more accurate than the machines the parts are produced for. In the past grinders were used for finishing operations only because of limitations of tooling.