Cold-working boring and milling composite technology for automobile front axle
A composite process, the technology of the front axle of automobiles, applied in the field of mechanical processing, can solve the problems of unilateral cutting, difficult to ensure dimensional tolerance, and difficult to ensure the perpendicularity between the kingpin hole and the upper and lower end surfaces, etc., to achieve high machining accuracy and simple process Effect
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[0030] Taking the EQ153 type automobile front axle cold working process as example, the present invention is illustrated:
[0031] Process ① Mill the planes of the two leaf spring seats to ensure that the plane where the two kingpin holes are located is perpendicular to the plane of the leaf spring seats to ensure flatness.
[0032] Equipment selection: double-head end milling machine. Guarantee the processing efficiency and the flatness of the two leaf spring seats.
[0033] figure 1, figure 2 The shown process ①Clamping diagram: The outer walls of the two kingpin holes 2 are positioned, and the outer walls of the two kingpin holes 2 are clamped by two movable V-shaped blocks 3 to ensure that the plane where the centerlines of the two kingpin holes are aligned with the two leaf spring seats 1 The plane is vertical. Clamp two leaf spring seats 1 sides with two pneumatic clamps 4 again, simultaneously, add two auxiliary support 5 below two leaf spring seats 1.
[0034] Tool...
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