Regional blind-hole material taking method for solid

A technology of blind holes and intervals, which is applied in the field of material extraction from blind holes in physical intervals, can solve the problems of unsuitable material extraction methods for physical blind holes, and achieve the effects of being beneficial to body performance testing, low cost, and high material extraction efficiency

Inactive Publication Date: 2012-11-21
KOCEL GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently, there is no suitable material extraction method for solid blind holes

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] A solid interval blind hole reclaiming method, which is characterized in that: the method is to first use a core bit to drill a test bar in the specified area, the depth is the same as the depth of the test bar to be taken, and then to trephine the test bar on both sides Drill a blind hole with the same depth as the test bar to be taken, and finally knock back and forth above the blind hole to take out the test bar;

[0013] The diameter of the blind hole is 1 / 2-2 / 3 of the diameter of the trephine test bar, and the two blind holes are symmetrically distributed on both sides of the trephine test bar;

[0014] The core drill bit is a magnetic drill.

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PUM

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Abstract

The invention relates to a regional blind-hole material taking method, in particular to a regional blind-hole material taking method for a solid. The method comprises the following steps: firstly, annularly drilling a test rod within a stated region by using a core taking drill bit, wherein the drilling depth is equal to the depth of the test rod to be taken out; secondly, drilling blind holes on the two sides of the justly annularly drilled test rod respectively, wherein the drilling depth is equal to the depth of the test rod to be taken out; and finally, knocking above the blind holes back and forth, and taking out the test rod. The regional blind-hole material taking method for the solid is unique; the blind-hole material taking problem of a cast iron component is solved; in the material taking process, the safety coefficient is high and the material taking efficiency is high; and the test rod can be taken out under the condition that the solid within the stated region is not destroyed.

Description

Technical field [0001] The invention relates to a blind hole reclaiming method, in particular to a solid interval blind hole reclaiming method. Background technique [0002] In addition to the inspection of defects and composition of general iron castings, there are often special inspection requirements for special castings. For example, for thick-walled castings, graphite morphology needs to be inspected at a certain depth. That is, in the specified area of ​​the entity, according to a certain depth, but not penetrating the entity, take out a standard diameter test bar. Currently, there is no suitable solid blind hole reclaiming method. Summary of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the prior art, provide a unique process method, solve the problem of blind hole reclaiming of cast iron parts, high safety factor during the reclaiming process, high reclaiming efficiency, and without destroying the specified area entity Un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
Inventor 刘杰陈洪涛冯景兰申奎华
Owner KOCEL GROUP
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