Taian Haishu Machinery Co.,Ltd.
Telephone: +86-538-8606169
Fax: +86-538-8606169
Address: Zhouwangzhuang Village, Shankou Town
Taian City Shandong Province China
Discussion on how to connect the thread of CNC lathe
High-precision CNC lathe with DC or AC spindle control unit to drive the spindle, according to the control command for stepless speed, between the spindle do not have to use multi-level gear vice. In order to expand the speed range, and now generally through a gear pair to achieve sub-stepless speed regulation, even so, the structure of the headboard box is much simpler than the traditional lathe. Another structural feature of the CNC lathe is the stiffness, which is to match the high-precision control of the control system to accommodate high-precision machining.
High-precision CNC lathe thread connection is the use of threaded parts of the detachable structure. Is characterized by a relatively simple structure, easy assembly and disassembly, reliable work, the use of a wide range. High-precision CNC lathe thread connection has been the majority of national standards, the design staff is mainly based on the requirements of threaded connection, select the appropriate thread type, connection and determine the size of the threaded connection.
1. CNC machine tool thread formation
The right-angled triangle ABC is wound on a cylinder of diameter d and the straight edges are aligned with the circumference of the bottom of the cylinder, and the hypotenuse forms a helix on the cylindrical surface. At this point, if the use of turning tools along the helical direction of the material cut, you can get the corresponding thread.
2. CNC machine tool thread type
High precision CNC lathe thread internal thread and external thread. The threads formed on the cylindrical surface are male threads, and the threads formed on the cylindrical wall are called internal threads. The external thread and the internal thread together form the thread pair for connection and transmission. The thread is also divided into metric and imperial, and in addition to the machine tube thread in English, the rest are in metric units.
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