Method for measuring spring part
A measurement method and technology for parts, applied in the field of measurement, can solve the problems of high initial investment cost, high operator requirements, and increased manufacturing cost, and achieve the effects of low manufacturing cost, reduced labor intensity, manufacturing cost and durability.
Inactive Publication Date: 2014-08-20
SHENYANG AIRCRAFT CORP
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Problems solved by technology
However, when using calipers and outer circular gauges to measure spring parts, some dimensions cannot be measured, such as the distance between the centers of two arcs, there is a deviation in the measurement, and the dimensions cannot be confirmed
Although using a measuring machine to measure can ensure the accuracy of the size, it needs to purchase equipment, which requires a large initial investment and requires high requirements for the operator. It is necessary to find experienced people or conduct long-term training for employees. , which will increase the manufacturing cost of the product
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[0029] A method for measuring a spring part of the present invention will be specifically described below in conjunction with the accompanying drawings. The structure of the tested spring part is as figure 1 shown.
[0030] A method for measuring a spring part, comprising the steps of:
[0031] 1) CrWMn steel is selected as the steel material, and the thickness of the steel material is 10mm. Pre-treat the steel material, place the steel material in the furnace, raise the furnace temperature to 780-800°C, keep it for 1-2 hours, cool it to 690-700°C for 5-6 hours, and cool it to 500°C °C and then air-cooled to room temperature;
[0032] 2) According to the requirements of the design drawings, wire-cut the steel material to form a spring measurement sample 1;
[0033] 3) Perform heat treatment on the spring measurement sample 1, specifically: a) quench the spring measurement sample 1, the quenching heating temperature is 810-830°C, the quenching medium is oil, b) after quench...
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Abstract
The invention discloses a method for measuring a spring part, and belongs to the field of measurement. The method includes the following steps that firstly, a steel material is pretreated; secondly, the steel material is linearly cut and formed according to the requirement of a design drawing, and a spring measuring sample board is manufactured; thirdly, heat treatment is conduced on the spring measuring sample board; fourthly, the spring measuring sample board on which heat treatment is conducted is ground and corrected according to the design drawing until the sizes of all portions of the spring measuring board are the same as that of the design drawing; fifthly, the spring part is arranged in the corresponding position of the corrected spring measuring sample board, the gap between the spring part and the spring measuring sample board is measured through a feeler gauge, and the numerical value of the gap is recorded. According to the method, whether the spring part meets the size requirement or not can be accurately measured, and the method has the advantages that measurement is convenient and measurement cost is lowered; meanwhile, labor intensity of staff is effectively relieved and production efficiency is improved.
Description
technical field [0001] The invention belongs to the field of measurement, and in particular relates to a method for measuring spring parts. Background technique [0002] Such as figure 1 Shown is a spring part, the shape of the spring part is complex and the size requirements of each part are high, and the surface of the part is required to be free of indentations and wrinkles. The common measurement method now is to use calipers and external compasses to measure spring parts, or use a measuring machine to measure spring parts. However, when using calipers and external compasses to measure spring parts, some dimensions cannot be measured, such as the distance between the centers of two arcs, there is a deviation in the measurement, and the size cannot be confirmed. Although using a measuring machine to measure can ensure the accuracy of the size, it needs to purchase equipment, which requires a large initial investment and requires high requirements for the operator. It is...
Claims
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IPC IPC(8): G01B5/00
Inventor 郭宏宇
Owner SHENYANG AIRCRAFT CORP