Tianhui Machine Co.,Ltd
2. Change the original teaching content and methods, integrate the teaching content of the traditional machining professional, and enrich the essential teaching content related to CNC machinin
The numerical control machining process analysis of the parts is the most important and extremely complicated part of the NC program, and it is also the core work of the CNC machining process
The development of the global knowledge economy has made mechanical engineering a comprehensive technical application discipline spanning multiple disciplines such as mechanics, electronics, c
First, the basic work of networked CNC machining The basic work of networked CNC machining is shown in Figure 1. It considers the bottom-level operations required for
Our unit recently received a spare parts machining. The part is a nozzle, and there are two stop rails on the top. The stop rail acts as a locking clamp, and its structure is shown in Figure 1. Among
The popular mid-range CNC system is the main body of China's machine tool market demand, and also the basis for the optimization of CNC machine tool industry structure. At present, the domesti
2. Determining the feed rate The feed rate is an important parameter in the cutting amount of CNC machine tools. It is mainly selected according to the machining accuracy and surface roughness req
(2) Benchmark processing principle At the beginning of the processing, the surface used as the finishing reference is always processed. Because the surface of the positioning reference
The process planning refers to the whole process, and cannot be judged by the nature of a certain process and the processing of a certain surface. For example, some positioning datums need to
Straight line equation: When the equidistant line is above the original line, take the "+" sign, otherwise the "-" sign. Round equidistance line equation:
2. Machining center, CNC milling machine tool compensation machining center, CNC milling machine CNC system, tool compensation function includes tool radius compensation, angle compensation an
First, the proposed tool compensation With the end mill machining the workpiece on the CNC machine, it can be clearly seen that the tool center motion gauge does not c
2. Reasonable structural layout can increase stiffness Take the horizontal boring machine or horizontal machining center as an example for analysis. In the layouts of
The rigidity of the machine tool refers to the ability to resist deformation under the action of cutting force and other forces. CNC machine tools have higher static stiffness and dynamic stif
Tint inspection is a method of nondestructive testing. It is a surface inspection method, mainly used to detect surface damage such as cracks that cannot be recognized by the naked eye
The positioning head and the probe are equipped with cemented carbide, in order to increase the wear resistance of the gauge to improve its service life. The gauge uses standard bodies made in D+
2. Hole depth measurement special measuring tool The bottom of the workpiece shown in Figure 1 needs to be machined to ensure its dimensional requirements (using a forming knife and
After the improvement, a large pad is added under the original fixture, and the large pad is integrated with the pad, the cylindrical positioning pin and the chamfered positioning pin in th
3 simulation After the programming is completed, the correctness should
Programmable rotation, subroutine, subroutine call: The eccentric sleeve has a
2. CNC machining (1) Selection of processing origin and setting of zero offset The principle of selection of the machining origin should be: easy to find in th
In mechanical products, the eccentric sleeve acts to adjust the center distance of the gear pair, and the transmission precision of the gear pair is adjusted by adjusting the eccentric slee
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