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Method for machining discontinuous deep ring cavity

A processing method and ring cavity technology, applied in the field of parts processing, can solve problems such as inapplicability

Active Publication Date: 2021-08-20
重庆水泵厂有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it forms a complete annular cavity by axially rotating the tool, which is not suitable for the processing of intermittent deep annular cavity.

Method used

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  • Method for machining discontinuous deep ring cavity

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with specific examples.

[0024] An interrupted deep annular cavity (cf. figure 1 ) processing method, the pre-drilling is completed in the area of ​​the intermittent deep ring cavity to be processed on the parts that need to be processed. The pre-drilling can be completed by the existing drilling method. The width of the ring cavity is the same; starting from the pre-drilled hole, use the boring tool to bore holes along the track of the intermittent deep ring cavity to be processed in sequence; until the required intermittent deep ring cavity 1 is formed, adjust the distance between the two holes before and after the boring The distance between the center of the circle controls the roughness of the machined surface of the ring cavity. In the specific implementation, the angle between the line connecting the center of the boring hole next time with the boring tool and the center of the inter...

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Abstract

The invention discloses a method for machining a discontinuous deep ring cavity. The method comprises the following steps of pre-drilling a hole in a to-be-processed discontinuous deep ring cavity area on a part needing discontinuous deep ring cavity processing, and enabling the diameter of the pre-drilling hole to be consistent with the width of the discontinuous deep ring cavity; starting from the pre-drilling hole, boring holes in sequence along a track of the to-be-processed discontinuous deep ring cavity by using a boring cutter; and enabling the included angle between the connecting line of the circle center of the hole next bored by the boring cutter and the circle center of the to-be-processed discontinuous deep ring cavity and the connecting line of the circle center of the hole previously bored by the boring cutter and the circle center of the to-be-processed discontinuous deep ring cavity to be smaller than or equal to 0.5 degree until the needed discontinuous deep ring cavity is formed. The method is suitable for machining the discontinuous deep ring cavity, the surface roughness of the completed discontinuous deep ring cavity is low, the tool loss is small, and the machining efficiency is high.

Description

technical field [0001] The invention relates to the technical field of part processing, in particular to a processing method for an intermittent deep ring cavity. Background technique [0002] The interrupted ring cavity means that the ring cavity has not formed a complete rotary body, and there are other elements in the middle of the ring cavity, so it cannot be processed by turning. At present, such parts are generally completed by cavity milling, but if the intermittent ring cavity is narrow and deep, the cutting tools selected for processing at this time are limited. When the ratio of the width and depth of the ring cavity is less than 1:5, that is, the depth is greater than five times the width, it is generally considered to be a deep ring cavity. In this case, if a milling cutter is used, the length-to-diameter ratio of the milling cutter will be large, the rigidity is weak, and the machining vibration Large and unstable, so the surface roughness of the processed disc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B41/00
CPCB23B41/00
Inventor 王广晏东梁智秦小钦田怀祥周新鹏
Owner 重庆水泵厂有限责任公司