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Measurer for perpendicularity of end face to blind hole axis

A technology of vertical axis and blind hole, which is applied in the field of end-to-face blind hole axis perpendicularity measurer, can solve the problems of complicated and difficult measurement process, and achieve the effects of guaranteed product quality, simple structure and convenient manufacture

Active Publication Date: 2012-12-19
江苏荣圣汽车零部件有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To measure the perpendicularity error of the end-to-face blind hole axis, it is necessary to use flat plates, mandrels, fixed and adjustable supports, and measuring frames with indicators, etc. The measurement process is complicated and difficult, and it is even more difficult for large parts that are difficult to move

Method used

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  • Measurer for perpendicularity of end face to blind hole axis
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  • Measurer for perpendicularity of end face to blind hole axis

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Embodiment Construction

[0013] The accompanying drawing is a measurement structure diagram of the measuring device for measuring the verticality of the axis of the blind hole from the end of the guide post installation hole on the cylinder head of the workpiece 16V240 diesel engine. See attached figure 1 , 2 3. The upper end of the expandable mandrel (6) with a diameter of Φ22-0.17 mm is inserted into the right end inner diameter of the large plane of the horizontal plate (7). ), the axis of the expandable mandrel mounting hole (9) is perpendicular to the large plane under the horizontal plate (7); the lower end of the expandable mandrel (6) with a diameter of Φ22-0.17 mm is inserted into a blind hole with an inner diameter of Φ22.00 mm ( 5) Within the range of effective inner depth L1 equal to 30.00 mm, three expansion bead installation holes (15) with an inner diameter of Φ4.50 mm distributed in an equilateral triangle in the transverse direction, and 3 rows of Φ4. 00 mm expansion ball (4); insta...

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Abstract

The invention discloses a measurer for perpendicularity of the end face to the blind hole axis. An expandable mandrel slides in all directions in a hole according to measurement requirements, the lower end plane of the expandable mandrel, perpendicular to the expandable mandrel axis, butts against a steel ball at the bottom of the blind hole and serving as a measurement datum point, the expandable mandrel contacts with the inner wall of the blind hole through a sliding expanding ball and simulates the blind hole axis, the length of the effective depth of the expandable mandrel inserted into the blind hole is L1, the distance between the expandable mandrel axis and the axis of a dial gage measuring rod is L2, a dial gage measuring head at the left end of the large plane of a transverse plate butts against the end face, and the expandable mandrel rotating for a circle drives a dial gage on the large plane of the transverse plate to measure errors of the perpendicularity of the end face to the blind hole axis. The measurer for perpendicularity of the end face to the blind hole axis is capable of measuring products simply, conveniently, rapidly and accurately, and product quality is guaranteed.

Description

technical field [0001] The invention relates to a measuring device for mechanical parts, in particular to a measuring device for measuring the perpendicularity of an end-to-blind hole axis. Background technique [0002] At present, some mechanical parts are provided with end faces perpendicular to the axis of the blind hole, and the error of the perpendicularity of the end face to the axis of the blind hole directly affects the performance of the mechanical parts. To measure the perpendicularity error of the end-to-face blind hole axis, a flat plate, mandrel, fixed and adjustable supports, and a measuring frame with an indicator are used. The measurement process is complicated and difficult, and it is even more difficult for large parts that are difficult to move. Contents of the invention [0003] The invention provides an end-to-face perpendicularity measurer for the axis of a blind hole. The expandable mandrel slides in various directions in the blind hole according to ...

Claims

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Application Information

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IPC IPC(8): G01B5/245
Inventor 陈硕
Owner 江苏荣圣汽车零部件有限公司
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