Method of phasing threaded grinding stone, as well as gear grinding machine

Inactive Publication Date: 2012-09-13
MITSUBISHI HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0030]According to the method of phasing a threaded grinding wheel, as well as the gear grinding machine in the present invention, the phase of the threaded grinding wheel is adjusted so that the tooth tip of the gear to be machined or the blade edge of the dresser 32 faces the position of the thread groove of the threaded grinding wheel 14, the position being found on the basis of the projection-indentation amount. Subsequently, in this state, the intermediate phase is found by causing the thread surface of

Problems solved by technology

Accordingly, insufficient precision of meshing may cause uneven grinding on the tooth surfaces of th

Method used

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  • Method of phasing threaded grinding stone, as well as gear grinding machine
  • Method of phasing threaded grinding stone, as well as gear grinding machine
  • Method of phasing threaded grinding stone, as well as gear grinding machine

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Example

[0039]Hereinafter, a method of phasing a threaded grinding wheel according to the present invention will be described in detail with reference to the drawings.

Embodiment

[0040]A gear grinding machine 1 to which the method of phasing a threaded grinding wheel according to the present invention is applied is used to grind a workpiece (gear to be machined) W as a material of an internal gear with a barrel-shaped threaded grinding wheel 14 as shown in FIG. 2. Further, the gear grinding machine 1 has the dressing function of dressing the threaded grinding wheel 14 with a disc dresser 32 as shown in FIG. 1.

[0041]As shown in FIGS. 1 and 2, a grinding wheel head 11 is movably and turnably supported in the gear grinding machine 1. A spindle 12 is rotatably supported by this grinding wheel head 11. At the tip of this spindle 12, a grinding wheel arbor 13 is formed. Further, to the tip of the grinding wheel arbor 13, the threaded grinding wheel 14 is removably attached. Thus, driving the grindi...

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Abstract

A method of phasing a threaded grinding stone and a gear grinding machine are disclosed, wherein phasing of the threaded grinding stone with respect to a gear to be machined or to a dresser can be performed at high speed. A threaded grinding stone is phased with respect to a workpiece or a disk dresser prior to engagement. The phase of the threaded grinding stone is adjusted so that a tooth tip of the workpiece or a blade tip of the disk dresser faces the central position of an edge groove of the grinding stone. Subsequently an edge surface of the threaded grinding stone contacts an edge surface of the workpiece or an edge surface of the disk dresser. The phase of the threaded grinding stone is adjusted so that the tooth tip of the workpiece or the blade tip of the disk dresser is disposed in this latter phase.

Description

TECHNICAL FIELD[0001]The present invention relates to a method of phasing a threaded grinding wheel, with a gear to be machined which is to be ground by use of the threaded grinding wheel, or with a dresser which is to dress the threaded grinding wheel, as well as relates to a gear grinding machine to which this method is applied.BACKGROUND ART[0002]Heretofore, gear grinding machines are provided to efficiently finish the tooth surfaces of a workpiece, which is a heat-treated gear to be machined, by grinding the workpiece with a threaded grinding wheel, which is a grinding tool. In such a gear grinding machine, the workpiece is ground in a state in which the threaded grinding wheel and the workpiece are being rotated in synchronization while meshing with each other. Accordingly, insufficient precision of meshing may cause uneven grinding on the tooth surfaces of the workpiece and may reduce the life of the threaded grinding wheel due to an excessive load thereon.[0003]For the above-...

Claims

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Application Information

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IPC IPC(8): B24B49/12B24B53/085B24B53/07
CPCB23F23/00B24B53/075B24B49/12B23F23/1225
Inventor YANASE, YOSHIKOTOISHIZU, KAZUYUKI
Owner MITSUBISHI HEAVY IND LTD
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