Introduction
Long bar heated on medium frequency induction furnace--Hot sheared on billet shearing machine--Pre-forged on pneumatic forging hammer--Final forged on pneumatic forging hammer-- Heat treatment.In the process, one set of pneumatic forging hammer is used for pre-forging, the other set is used for final forging, the purpose is to improve production efficiency. In case of one set of pneumatic forging hammer can be completed forging.
Steel ball forged on pneumatic forging hammer is a traditional steel ball production process,using pneumatic forging hammer to forge the raw material to the desired deformation,increases the forging ratio, thus makes the internal structure of the steel ball more dense and improves the toughness and density, improves wear resistance, reduces the rate of broken, so the forged steel ball has excellent stability in a variety of harsh environment.Steel ball forged on pneumatic forging hammer is suitable for a variety of diameters,especially large diameter. Steel balls with kinds of diameter range can be produced on one set pneumatic hammer, flexible process for various mass production.Special pneumatic forging hammer for forged steel ball is improved on the basis of general hammer, increases foot pedal, all specifications of the pneumatic hammer can be operated by one worker. In order to increase the reliability of the machine, the working cylinder is with prestressed structure, the hammer rod can also be circular to enhance its strength. Steel ball forged on pneumatic hammer with the features of less investment, quickly organize production, steel ball with large diameter, hot-rolled steel and square steel can be used as raw material. Forged wear-resistant steel ball is widely used in the grinding field of mining，cement， coal powder etc.
Parameters
| Pneumatic Hammer Type | Max. Diameter of Forged Ball (mm) | Average Efficiency (pcs/minute) |
| C41-150 | 70mm | 6pcs/minute |
| C41-250 | 90mm | 4pcs/minute |
| C41-400 | 110mm | 3pcs/minute |
| C41-560 | 130mm | 2.4pcs/minute |
| C41-750 | 150mm | 2pcs/minute |
| C41-1000 | 200mm | 1pcs/minute |
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