US 2012/0269476 A1Published application

Processing method and bearing

AssigneeNtn Corporation

InventorsShogo Akimoto, Taku Nishiki

Life of this patent

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Abstract

Provided are a processing method capable of shortening a lead time without the need for carrying out super finishing (mirror grinding), and a bearing manufactured using the processing method. A component of a bearing is finished while chucking the component by a chucking device (10). Hardened steel cutting and grinding are carried out while chucking the component without releasing the chucking by the chucking device (10).

Claims15

Dependent claims

A processing method of carrying out finishing of a component of a bearing while chucking the component by a chucking device,

the processing method comprising carrying out hardened steel cutting and grinding while chucking the component without releasing the chucking by the chucking device.

Dependencies are inferred from the claim text.

Facts

Application: 13/503,878Filed 19 Nov 2010
Priority: JP 2009-2743602 Dec 2009
Published: 25 Oct 2012
Term ends: Not estimatedThe source records don’t support an estimate.

Classification21 codes

F16C 33/64
Raceways; Race rings: special methods of manufacture
B23P 13/02
Making metal objects by operations essentially involving machining but not covered by a single other subclass: in which only the machining…
B23P 15/003
Making specific metal objects by operations not covered by a single other subclass or a group in this subclass: bearings
B24B 1/00
Processes of grinding or polishing

Family

US 9,427,832 B2Related patent
US 2012/0269476 A1This patent

From the US filing history. Foreign family members aren’t listed.

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