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[CN 201810524010.3] A processing method for producing multi-step cold-rolled work roll blanks using a radial forging machine
[CN 201810524010.3] A Processing Method for Producing Multi-step Cold Rolling Work Roll Billet by Diameter Forging Machine Title: A Processing Method for Producing Multi-step Cold Rolling Work Roll Billet by Diameter Forging Machine Application Number: CN 201810524010.3 Applicant: Jianlong Beiman Special Steel Co., Ltd. Application Date: 2018-5-28 Patent Type: Invention Application for a Processing Method for Producing Multi-step Cold Rolling Work Roll Billet by Diameter Forging Machine, It belongs to the technical field of metallurgical Machinery. The invention by electric furnace smelting, LF furnace refining, VD vacuum treatment, fire cutting, annealing, surface blasting, gas baking, electric slag remelting to make MC6B multi-step cold-rolled working roller billet electric slag ingot, and then annealing, surface cleaning, gas furnace heating insulation time of 24h, then, the MC6B multi-step cold-rolled working blank roll blank is prepared after the arc upsetting plate, the first furnace return heating, the second furnace return heating, and the diameter forging machine forging. Finally, the MC6B multi-step cold-rolled working blank roll blank is prepared by hot saw cutting, normalizing after water cooling, two-stage spheroidizing annealing, and non-destructive inspection. The invention makes the production of roller blank forging forging margin small, machining time is reduced, and thus to reduce the weight of the forging process, saving manufacturing costs.
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