EVA welding machine maker.Process flow of embossing roller

　　1. 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 for cutting according to the drawing dimensions.

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

　　3. 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.

　　4. 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.

　　5. Install the outer end plate on both ends of the shaft and weld the junction between the outer end plate and the shaft and roller body.

　　6. Anneal the welded roller blank to eliminate internal stress.

　　7. Turn one end of the steel roller shaft to a flat end face and drill a standard center hole.

　　8. Turning processing: Roughly and precisely turn the 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.

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