EVA welding machine wholesaler.Ten major process flows affect the quality of embossed steel bars in embossing machines

　　In daily work, many people are not very familiar with the key points to pay attention to during the production process of embossed steel bars in embossing machines. Below are ten process steps to pay attention to when manufacturing embossed steel bars:

　　1 Install the complete inner sleeve of the combined welding into the roller body, and weld the joint between the inner end plate and the roller body.

　　II Cutting: The roller body is made of seamless steel pipe, the shaft is made of 45 round steel, and the end plate is made of Q235 steel plate. A machining allowance of 8mm is left according to the drawing dimensions for cutting.

　　III Weld the reinforcing ribs and two end shafts inside the combined roller body, pay attention to correcting the coaxiality between the two end shafts and the inner sleeve, and only weld the inner end plate on the shaft.

　　IV Turning processing: Turning the mating surfaces of the roller body, end plate, and shaft, and processing them with H9/f9 fitting accuracy.

　　5、 One end of the steel roller shaft is turned flat on the end face and a standard center hole is drilled.

　　6、 Install the outer end plate on the two end shafts and weld the junction between the outer end plate and the shaft and roller body.

　　7 Anneal the roller blank of the welding combination to eliminate internal stress.

　　Eight correction steel rollers for static balance.

　　9、 Turning processing: rough and fine turning of various parts of the steel roller body to the required dimensions on the drawing. The working surface roughness of the roller body should not exceed 1.6 μ M; The radial runout tolerance of the working surface of the roller on both ends of the shaft support surface (installation position of the rolling bearing) is 0.025mm; The roundness of the working surface of the roller body is 0.036mm; The bearing mating circle is machined with a precision of k6. Then frame the center frame, end face of the car, and drill holes to the size.

　　10、 Process the pattern according to the pattern requirements of the patterned steel roller. Then deposit a hard chromium layer with a thickness of 0.03-0.05mm.

　　Only by strictly following the relevant process operations during the production process can the quality of the embossing machine steel rollers be ensured.

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