Piston rod finish-rolling device and processing process thereof
A processing technology and piston rod technology, applied in the direction of metal rolling, etc., can solve the problems of easy appearance of patterns on the surface of the piston rod, excessive wear and tear of the grinding wheel, high production cost, etc., and achieve high surface roughness and precision, shorten the production cycle and reduce the production cost. low effect
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[0011] Such as figure 1 , 2 As shown, the finish rolling device mainly has two fixed rollers 8 . Wherein the adjustment roller 16 forms an assembly with three roller shafts 9 and keys 10 respectively, and then is packed into the frame 15 bearing holes respectively, and the three rollers are distributed at 120°; Circle 5 and be provided with three rollers and frame 15 to keep the front spacer ring 7 of clearance, rear spacer ring 12, rear bearing spacer ring 13 is installed on the slide plate 14 that can longitudinally move after the above parts are assembled. The processing technology of the piston rod is: machining - rough grinding before rolling - fine grinding before rolling - finishing rolling - electroplating - polishing. The finishing rolling process is as follows: ① install the three-roller finishing rolling device on a machine tool with a rotating power head 1 (including guide rails, slide plates 14 and slide boxes); The size of the outer diameter of the rod is the ...
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