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Stationary belt sanders are sometimes mounted on a work bench, in which case they are called bench sanders. Stationary belt sanders are often combined with a disc sander. Belt sanders can have a very aggressive action on wood and are normally used only for the beginning stages of the sanding process, or used to rapidly remove material ...
The sander smooths it and sends it out the other side. Good for finishing large surfaces. Flap sander or sanding flap wheel: A sanding attachment shaped like a Rolodex and used on a hand-held drill or mounted on a bench grinder for finishing curved surfaces. Orbital sander: A hand-held sander that vibrates in small circles, or "orbits."
A random orbit sander, with disks of various grit sizes. A random orbital sander (also known as a palm sander) is a hand-held power tool which sands in a random-orbit action. That is, in constant irregular overlapping circles. This technology was first commercially utilized in 1968 [citation needed] [1] by Rupes Tools.
Variations include horizontal boring and disc sander. The original Shopsmith 10E and 10ER were invented by Dr. Hans Goldschmidt [1] of Albany, CA, in 1947; made by the Magna America Corporation in Berkeley, CA, from 1947 to 1953; and sold by Montgomery Ward. [2] The Mark 5 [3] debuted in 1953 but went out of production in 1964.
In 1981, Pentair, Inc. acquired Rockwell's power tool group — consisting of Porter-Cable and Delta Machinery — and restored the Porter-Cable name. The company ended production of consumer level tools, and repositioned itself as a manufacturer of professional power tools. In 1989, it introduced the first electric random orbital sander.
The belt sander was invented by Eugen Laegler in 1969 out of Güglingen, Germany. 90% of the area can be reached with the belt/drum sander. The remaining 10% left such as edges, corners, under cabinets, and stairs, are sanded by an edge sanding machine. A rotary machine known as a multi disc sander or buffer is then used for the final sanding ...