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1问题的提出我公司承建的38层兆银大酒店是佛山市重点工程，因其急需数以万计的各种规格双头螺纹拉杆，而市场没有适用加工长拉杆的套丝机产品，因此决定自己设计制造螺纹套丝机，以较短的时间满足生产需要。图1套丝机结构图1—电动机；2—减速箱；3—主轴；4—丝板；5—三爪卡
1Problem raised The 38-story Zhaoyin Hotel built by our company is a key project in Foshan City. Because it urgently needs tens of thousands of various specifications of double-headed threaded rods, the market does not have suitable for the production of long drawbars. Decided to design and manufacture a thread threader to meet production needs in a shorter time. Figure 1 Threading machine structure Figure 1 - motor; 2 - gear box; 3 - spindle; 4 - wire; 5 - three-jaw card