To classify defects in forgings according to the process or stage in which they occur, they can be divided into: defects originating in the raw material production process, forging process, and heat treatment process.

JZ equipment company can provide train wheel, high-speed rail wheel. Wheel product for large diameter locomotive & KKD passenger car & HDSA freight car & HESA freight car & HFS heavy-duty freight car, etc.

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Today’s article mainly talks about the railway axles forging process.

Roll forging machine is a kind of metal forging equipment, mainly used for roll forming and forging of metal materials. Its working principle is to use two relatively rotating rollers to continuously roll and deform the metal blank so that it reaches the required shape and size.

As a branch of the mechanical press, the flat forging machine can perform punching, bending, flanging, trimming and cutting operations in addition to the local polymerization step.

At present, the product specifications of inclined rolled steel balls are from φ20 to φ125. Wear-resistant steel balls for gold, silver, copper, iron and other minerals have been widely used and promoted in actual mines.