Assembly process of blind hole tool with high precision requirement
An assembly process and high-precision technology, applied in the field of mechanical processing, can solve the problems of inability to meet hole accuracy and surface roughness, high dependence on the level of workers' assembly skills, and difficulty in meeting assembly requirements, so as to improve manufacturing processability and assembly. Qualified rate, quality stable and reliable effect
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[0055] The invention provides an assembly process of blind hole tooling with high precision requirements, which specifically includes the following steps:
[0056] 1) The base 1 blank is provided in the form of No. 45 steel sheet. When rough machining, leave 0.5-0.6mm allowance in the thickness direction (board size 17×124×336), and leave 0.3mm grinding allowance for the front side, and normalize the material. After quenching, cleaning, aging heat treatment, rough grinding, fine grinding on both sides of the thickness and alignment, to fully eliminate the deformation after heat treatment, to ensure that the parallelism of the two sides of the thickness is within 0.01mm, and the perpendicularity to the alignment reference plane is within 0.005mm;
[0057] 2) The blank of the support plate 2 is provided in the form of No. 45 steel forgings. During rough machining, the full shape is milled, leaving 0.4-0.5mm allowance in the thickness direction, and 0.3mm allowance on the bottom s...
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