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According to the customer's report, our company has higher grinding charges; longer grinding time, etc., to make a description, introduce our grinding process detection process, and related technical standards.
A. When we receive the customer's need to grind the saw blade, first of all, establish the customer product file, soak all the saw blades in 50 ° C warm water for 30 minutes, then clean, derust, in addition to the adhesive treatment for preliminary visual inspection, If there is obvious defect, the product can no longer be grounded. After cleaning, mark the customer number and directly return it to the area. After the finished grinding product is completed, send it to the customer.
B. Then use the dial gauge to perform angle detection, including the anterior angle of the tooth; the hind foot; the side angle detection (see if there are cracks, missing corners, etc.), and then zoom 50-100 times on the projector to determine the saw blade wear angle of the original angle saw blade; If the corner of the tooth is small, we can increase the amount of grinding to reduce the production cost of the customer.
C. If there are alloy teeth to be replaced, the German KAHNY automatic gear welding machine is used for tooth exchange.
D. Next, the saw blade stress correction is carried out. This step is very critical for grinding the saw blade. It needs to be completed by a very experienced technician. During the high-speed operation of the saw blade, the saw blade stress has changed due to external force, so the sawing will occur. Larger; rough surface; etc.; we need more than 2 times for stress adjustment; if we can correct the standard range (refer to the Japanese and room saw blade production technical standards), we will enter the next process, otherwise, we will contact customers and consult customers. Opinions, if the customer asks for grinding, we carry out precision grinding, but after completion, we will install the saw blade package and attach the specific data of the saw blade deviation. We grind first with a 200-grain diamond wheel imported from Japan for coarse grinding, and then with a 600-grain grinding wheel for precision grinding.
E. In the next step, the vibration rate is checked. After passing the test, the B-step process is carried out to carry out the final inspection. After the product is fully qualified, the shipping area is placed, and the work order is handed over to the business to complete the entire grinding process.
Description of grinding of high-grade imported saw blades
At present, there are many small factories and hand workshops for the saw blade grinding on the market; the grinding saw blade only performs simple rough processing on the front corner of the sawtooth, and the original angle of the saw blade is changed after processing, the back angle of the saw blade, the side angle, and There is no processing condition at all in the tooth chamber, and the processed product is not detected, corrected, etc. after grinding.