The Importance of Drawing for CNC Machining

1. Dimensioning method of CNC machining part drawing
The size on the part drawing is an important basis for manufacturing and inspecting parts. During the production process, the size on the part drawing cannot have any error. In addition to being correct, complete and clear, reasonable requirements should also be considered when demarcating dimensions on the part drawings, which should not only meet the design requirements, but also be convenient for processing and measurement. Dimensions mainly include functional dimensions, non-functional dimensions, nominal dimensions, basic dimensions, reference dimensions, repeated dimensions, etc. The dimensions indicated on the part drawing are complete and correct, which is convenient for the processing personnel to analyze, process and measure, and determine the selected blank size and material number according to the dimensional accuracy.

2. Analysis of the geometrical elements of the contour of parts machined by CNC
The contour of the part is mainly composed of cylindrical surface, spherical surface, groove, keyway, inner hole, etc.

3. Technological analysis of parts structure processed by CNC
General CNC lathes cannot be used. If it is too long, it is easy to have the problem of tool vibration or low surface roughness. Therefore, when processing, auxiliary tool holders and auxiliary fixtures must be provided. CNCLATHING has a special CNC lathe. Also, pay attention to heat treatment, because it will deform, bend or S-shaped after hardening.

4. Analysis of precision and process requirements of CNC machining parts
① Parts accuracy and technical requirements are complete and reasonable.
② In the machining process, the CNC machining accuracy is required to be high, and the machining process is divided into rough machining, semi-finish machining and finish machining.
③ Whether the size of the outer circle has high requirements for the position accuracy. All processes in this section, except the keyway, should be completed in one clamping process.
④ Workpieces with high requirements for surface roughness shall be cut at constant circumferential linear speed.

This is the process analysis method of CNCLATHING for CNC machining drawings. Of course, the drawing requirements of different industries are also different. For example, in the medical industry, medical equipment has high requirements for parts. This is also the reason why medical equipment manufacturers are responsible for end users. They have high requirements for the quality and accuracy of products. If you have requirements for precision CNC machining, please contact CNCLATHING, and we will serve you wholeheartedly.