22 years of industry experience in mechanical parts manufacturing


Factory introduction to mechanical parts processing factory inspection report

by:HENRY PARTS     2021-01-16
Without the basic knowledge of nc machining technology of processing machine parts need to be test after production, which not only can be tested out in processing production, at the same time for the product in the later work use has provided the beneficial help. Mechanical processing, inspection report is one of the important documents including delivery to the customer. So, machinery parts processing factory inspection report is what kind of? A, 1, the general inspection personnel need to be more professional knowledge and practical work experience, at the same time also need to satisfying the requirements of leading products for inspection. 2, inspection personnel place USES measuring instruments need to pass the metrological department check and within the prescribed verification period. 3, inspection personnel before the acceptance of products need to be familiar with related drawings and technical documents, learn the relationship between the key size and assembly of parts. 4, inspection personnel need to strictly in accordance with the regulations of the drawings and technical documents required to determine parts. 5, inspection personnel in products are identified by the regulation for workshop. 2 1, first check system, inspection system: processing for each of the operators of the first part, the need for a comprehensive range of test and left. 2, inspection system: ensure that key parts will be able to get a full control. 3, turn sequence inspection system: for the parts into next working procedure, should be tested, avoid the unqualified products into the next process. 4, the completion of the inspection system: to complete production completed at the incoming product inspection, including the size and shape, have missed machining process and so on. Three, inspection method 1, the basic size and shape, 1) Diameter measurement for diameter measurement, need in a week to two parts to measure, and make records. When parts with diameter greater than 50 mm length, should be checked for straightness, using blade feet face contact with outside diameter busbar, observe the floor breadth, and then control standard light gap to determine. ( 2) Inner diameter measurement of measuring inner diameter size of the parts, as long as three parts in the circumferential measurements, recorded at the same time. When with diameter greater than 40 mm length of cylindricity inspection should be done, in the direction of the length to diameter range, respectively to obtain interval of two position measurement greatly. Calculate the cylindricity error. ( 3) Length of external thread measurement: external thread pitch diameter measured with thread ring gauge or three stitches, path with the thread ring gauge ( General rules) Detection. With internal thread measurement: internal thread diameter thread plug gauge, General rules) Inspection, in diameter with a thread plug gauge inspection. The screw thread of large, medium and paths should be performed according to the design requirements of the precision grade acceptance. Thread the effective length of tolerance: according to the requirements of HY/QT001 fastener inspection specifications of execution. 2, detection in the plane of the surface ( 1) Surface roughness detection: the sample piece of comparative law, comparative judgment. ( 2) Flatness inspection: playing table method is used to detect, tablet placed three adjustable bearing, place the parts measure up on the point of support, adjust the bearing point, let the high three o 'clock, play table in peak value is measured by the surface flatness error. Above are some of parts processing factory to summarize, the hope can help us to avoid being scammed. Yuan electromechanical gave you solve the problem of all kinds of processing technology
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