The D51 series vertical ring rolling machine (expanding machine) is a device used for the hot rolling and expanding process of circular blanks. This product is mainly used for the processing and production of welded ring parts such as bearings, flat welding flanges, high diameter flanges, small thin- walled barrel shaped components, etc. Forging enterprises undergo the process of upsetting, punching, and then expanding.
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Due to its ability to roll various metal materials, high- temperature alloy steel, bearing steel, ordinary carbon steel, copper aluminum, etc., and its low requirements for front end hole making, coupled with universal forging equipment, this machine has outstanding benefits and replaces the original horse frame hole expanding process. It can be expanded and formed in one go, with high production efficiency and precision of rough embryo. It has significant effects on reducing turning allowance, improving steel utilization rate, cutting performance, and internal quality of forgings.
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