Reducing process of reducer

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Update time : 2020-07-28 09:24:20

  There should be no cracks and double skin on the appearance of reducer, and the wall thickness should be greater than the wall thickness of large diameter end pipe section. The roundness of eccentric reducer shall not be greater than 1% of the outer diameter of corresponding end, and the allowable deviation is ± 3mm; the center lines of both ends of concentric reducer shall coincide, and the allowable deviation of eccentricity is ± 5mm.

  The reducing forming process of reducing pipe is to put the tube blank with the same diameter as the large end of the reducing pipe into the forming die, and the metal moves along the die cavity and shrinks to form by pressing along the axial direction of the tube blank. There should be no cracks and double skin on the appearance of reducer, and the wall thickness should be greater than the wall thickness of large diameter end pipe section. The center lines of both ends of concentric reducer shall coincide, and the allowable deviation of eccentricity is ± 5mm. According to the size of reducer, it can be divided into one-time pressing forming or multiple pressing forming.

  Stamping method of reducer

  1. stamping dies as like as two peas, ensuring the size and shape accuracy of stamping parts, and generally do not destroy the surface quality of stamping parts, and die life is generally longer. Therefore, the quality of stamping is not disturbed, and the interchangeability is good.

  2. Generally, stamping is not born with chips and chips, and the consumption of materials is less, and other heating equipment is not needed. Therefore, it is a kind of material saving and energy-saving processing method, and the cost of stamping parts is low.

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