External circle precise grinding method of super-long-diameter tool

A precision grinding and cutting tool technology, applied in the field of cutting tool precision grinding, can solve the problems of low grinding efficiency and unstable grinding quality, and achieve the effects of reducing scrap rate, improving efficiency and product quality, and simple and convenient operation

Active Publication Date: 2019-04-09
CHENGDU AIRCRAFT INDUSTRY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Aiming at the prior art, the present invention provides an efficient, convenient and reliable outer circle precision grinding method for ultra-long tools, and solves the problems of low grinding efficiency and unstable grinding quality of ultra-long tools in the actual production process

Method used

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  • External circle precise grinding method of super-long-diameter tool
  • External circle precise grinding method of super-long-diameter tool

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0038] Such as figure 2As shown, the pressing device includes a U-shaped limit block 1, a guide rod 2 and a fixed slider 3 installed on the guide rail of the grinding machine; one end of the guide rod 2 is installed on one side of the fixed slider 3, and the The end of the guide rod 2 away from the fixed slider 3 is connected to a limit block; the end of the U-shaped limit block 1 away from the guide rod 2 is provided with a U-shaped groove 11 . The fixed slider 3 is an L-shaped slider that includes a panel and a web that are connected as one, and the panel is provided with a fastening screw hole 34, and the fixed slider 3 passes through the tightening screw hole 34. The fastening screw 33 is detachably connected with the guide rail of the grinder; the guide rod 2 is installed on one side of the web. The...

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Abstract

The invention discloses an external circle precise grinding method of a super-long-diameter tool. The method is suitable for external circle precise grinding machining of the super-long-diameter toolwith the length-diameter ratio not lower than 20. The method comprises a tool external circle rough grinding machining procedure and a tool external circle fine grinding machining procedure which areseparated. The tool external circle fine grinding machining procedure is carried out after the tool external circle rough grinding machining procedure is carried out. According to the external circleprecise grinding method of the super-long-diameter tool, the tool external circle rough grinding machining procedure and the tool external circle fine grinding machining procedure which are separatedare adopted, the efficiency and the product quality of the external circle precise grinding machining process of the super-long-diameter tool are improved, the efficiency of the whole external circleprecise machining process of the super-long-diameter tool is improved by more than 50%, and due to overproofness of the external circle precise grinding machining process of the super-long-diameter tool, the scrappage is reduced by 20%.

Description

technical field [0001] The invention relates to the technical field of precision grinding methods for cutting tools, in particular to a precision grinding method for outer circles of ultra-long-diameter cutting tools. Background technique [0002] Ultra-long-diameter cutting tools are widely used in the aviation field and are important tools in the assembly process of aircraft parts. The accuracy and quality of many holes in an aircraft is closely related to the quality of the extra long diameter tool. Many times extra-long diameter cutters are used as the last tool in the aircraft hole making process. The quality of ultra-long diameter tools directly affects the quality of holes on aircraft parts. However, the processing of ultra-long-diameter tools is extremely difficult. On the one hand, the precision of the tool requires high tolerances on the outer diameter of the cutting part, the guide part of the shank, the circular runout tolerance, and the straightness tolerance ...

Claims

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Application Information

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IPC IPC(8): B24B3/00
CPCB24B3/00
Inventor 牟雄孙林付裕黄彪王闪张思能
Owner CHENGDU AIRCRAFT INDUSTRY GROUP
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