Apparatus for grinding articles with two rotating grinding discs

Details Apparatus for grinding articles with two rotating grinding discs Apparatus for grinding articles with two rotating grinding discs

1979-05-21

1981-07-14

Smith, Gary L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51116, 51290, B24B 716

Patent

active

042779146

ABSTRACT:
A grinding device for grinding the end surfaces of articles, such as cylinders or rings, comprises, first and second grinding discs which are mounted in spaced apart relationship by an amount substantially equal to the distance between the ends of the articles to be ground and with their axes offset from each other by a spacing therebetween so that the discs define an overlapped space therebetween having an entrance apex at which the area of overlap begins and an exit apex at which the area of overlap ends. The discs are rotated in respective opposite directions and the articles are delivered into one apex, such as the entrance apex, and the rotation and speed of the discs are such that they are urged by the discs to move toward the opposite or discharge apex where they are separated from the discs. The angular speeds of the two grinding discs determines the path of the workpieces through the overlapped zone between the discs. With the method of the invention, the workpieces are guided up to an entrance apex of the discs and the discs are rotated at selected speeds and in opposite directions so as to cause the articles fed therebetween to be engaged by the discs and moved through a feeding path therebetween during which they are ground and discharged at the opposite apex. The method makes it possible to feed the articles to be ground through an entrance apex and a discharge apex which are located on the same side as the two overlapped discs.

REFERENCES:
patent: 2089040 (1937-08-01), Shue
patent: 2636322 (1953-04-01), Carlson et al.
patent: 3889428 (1975-06-01), Steinegger et al.

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