Diamond grinding machine for threading and forming hard material

Details Diamond grinding machine for threading and forming hard material Diamond grinding machine for threading and forming hard material

1990-11-08

1993-05-18

Rachuba, M.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

511658, 51 95TG, 5116584, B24B 4900

Patent

active

052109801

ABSTRACT:
A versatile thread grinding machine includes a grinding wheel with concentric thread forms thereon, rotatable about a first axis, and a work spindle which is rotatable about a second axis. Both the angularity and distance between the axes may be varied. In order to produce threads having different leads with a single grinding wheel, the work spindle is provided with externally threaded sections having different leads which are integral multiples of the grinding wheel thread pitch. One of a correspondingly threaded set of inserts is brought into engagement the corresponding threaded section, to produce the desired lateral feed rate of the workpiece.

REFERENCES:
patent: 2397463 (1946-04-01), Boeck et al.
patent: 2426139 (1947-08-01), Bishop et al.
patent: 2454916 (1948-11-01), Gamble
patent: 2623333 (1952-12-01), Baldenhofer
patent: 3512306 (1970-05-01), Phillips
patent: 3538647 (1970-11-01), Woloszyn
patent: 3849944 (1974-11-01), Noll
patent: 4930265 (1990-06-01), Belthle
patent: 4953325 (1990-09-01), Unser

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