CENTERLESS GRINDING METHOD OF WORK WITH STEP

Japanese Patent JP2654301

B2

PURPOSE: To cut off a cutting remainder generated near the step of a work easily, by feeding transverse the work adequately, when a work with a step is ground centerlessly by using a grinding stone for a larger diameter part and a grinding wheel for a smaller diameter part whose convergences are controlled independently respectively.
CONSTITUTION: When a work 1 with a step is ground, the work 1 is inserted to a fixed position from the direction j by an inserting arm 15, and then, a grinding wheel 7 for a larger diameter part and a regulating grinding stone 9 are used to start an infield grinding at first. The feeding angle of the regulating grinding stone 9 is made about 1°, and a relatively large feeding force to the left side can be obtained, and this feeding force is received by the inserting arm 15 initially so as to put the work 1 in a still condition. And following the progress of the grinding, the regulating grinding stone 9 is cut in in the direction k, together with a shoe 10, so as to grind a larger diameter part 1a, and after that, a grinding stone 8 for a small diameter part grinding is cut in in the direction m so as to carry out the grinding of the small diameter part 1b. A cutting remainder 1d generated by such a cutting is ground and removed by feeding the work 1 to the left side following the moving-back of the inserting arm 15.

TAKEUCHI NORIFUMI

JP4864992A

September 17, 1997

March 05, 1992

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MIKURON SEIMITSU KK

B24B5/18; B24B5/22; B24B5/307; (IPC1-7): B24B5/18; B24B5/22

JP5748460A

Masami Akimoto

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