Jack catch for paw type chuck

A jaw chuck and jaw technology, which is applied in the field of jaws of jaw chucks, can solve the problems of unqualified jaws and poor quality of jaws, etc.

Inactive Publication Date: 2002-07-17
UNITED HARDMETAL GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even if the ground jaw is technically sound, it may give the impression that the jaw is a defective product that needs to be processed further so that it can be used
And it shows that the quality of the subsequent grinding jaws is not good

Method used

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  • Jack catch for paw type chuck
  • Jack catch for paw type chuck

Examples

Experimental program
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Effect test

Embodiment Construction

[0010] The claw 10 according to the present invention in the drawings includes a steel base 12, which is substantially cylindrical. Rack-shaped teeth 14 are provided on the side of a part of the length of the jaw 10 to move the jaw 10, for example, when a drill is clamped in a drill chuck (jaw chuck). The tooth 14 is indicated by a dash-dotted line in the figure. On the opposite side of the face where the tooth 14 is located, the end of the claw 10 is an inclined face 16. The clamping surface 18 of the jaw is formed by arranging a longitudinal groove 20 on the inclined surface 16 of the base 12 of the jaw 10, and the hard metal particles 22 are embedded in the longitudinal groove and connected to the base by hard welding. The hard metal particles 22 include angular hard metal particles that form the clamping surface 18. If the setting of the hard metal particles 22 after the brazing is not so precise, the hard metal particles 22 can be shaped by grinding after the brazing.

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PUM

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Abstract

This invention is related to a grip jaw 10 for a jaw chuck which includes a metal body 12 waxing a hard alloy. In order to prevent a grip jaw from transforming because of hard waxing treatment, this invention provides a grip jaw whose surface 18 has a hard alloy particle 22 instead of using one hard alloy plates.

Description

Technical field [0001] The invention relates to a jaw of a jaw chuck, which comprises a metal base body on which a hard metal clamping surface is arranged, wherein the hard metal is connected to the base body by hard welding. Background technique [0002] Everyone knows that drilling machines, lathes, and milling machines are equipped with chucks. The chuck is provided with jaws, and the distance between the jaws can be adjusted to clamp the tool (tool shaft) or workpiece, which is usually cylindrical, in the proper position. The jaws of the high-quality chuck have a steel base, and the clamping surface is provided with a plate, band or similarly shaped hard metal to reduce wear. The hard metal is connected to the base by hard soldering. When the tool or workpiece is clamped in the proper position, the clamping surface of the jaw is the surface or edge in contact with the tool or workpiece. For extended periods of use and corresponding clamping and release times, hard metal parts...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B1/24B25B5/16B25B7/02
CPCB25B5/163B25B7/02Y10T279/17615Y10T279/1986B25B1/241B23B31/1215
Inventor P·梅尔扎伊泽H·-P·施姆尔德
Owner UNITED HARDMETAL GMBH
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