精辗设备和工艺的使用 ,可以极大地提高毛坯制造水平 ,成倍提高轴承寿命和市场竞争力。为充分发挥JK型精密辗扩机的优势 ,配套使用精辗制坯技术 ,具有制坯精度高、生产工艺简单、对工装要求低和扩大设备生产范围等优点 ,具有较好的经济效益。附图 7幅 Precision rolling equipment and the use of technology, can greatly improve the level of rough manufacturing, doubled the bearing life and market competitiveness. In order to give full play to JK-type precision rolling machine advantages, supporting the use of precision rolling billet technology, with a high precision billet, the production process is simple, low requirements for tooling and equipment to expand the scope of production, etc., with good economic returns. Figure 7 Figure