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Common Tolerance Standards and Precision Control Techniques in CNC Machining
Latest company news about Common Tolerance Standards and Precision Control Techniques in CNC Machining

In precision manufacturing, tolerance control is a crucial factor for ensuring the quality of parts. CNC machining (numerical control machining) is widely used in various high-demand fields due to its high precision and stability. The common tolerance standards vary depending on the processing method and customer requirements. The general size tolerance range is between ±0.01mm and ±0.05mm. For more precise requirements, it can even be controlled within ±0.005mm.
Common international tolerance standards include ISO 2768 (applicable to metal parts) and ASME Y14.5 (applicable to mechanical drawing). Different grades correspond to different dimensional accuracies. For instance, during rough machining, an error of ±0.1mm is usually allowed, while for fine machining, it needs to reach ±0.01mm or less.
To achieve strict tolerance control, efforts must be made from multiple aspects. Firstly, the precision of the equipment needs to be selected. High-stability machining centers and tooling systems should be used. Secondly, process planning is crucial. The rough and finish machining processes should be reasonably arranged to avoid the accumulation of deformation. Moreover, the processing environment cannot be ignored. A constant-temperature workshop and tool wear monitoring can help maintain consistency.
Furthermore, choosing the appropriate measurement tools and quality inspection procedures is also of great importance. Commonly used testing equipment includes vernier calipers, micrometers, and coordinate measuring machines (CMM), ensuring that the quality of each process is controllable.
High-standard tolerance control not only enhances product performance, but also reflects the professional level of manufacturing techniques. It is an important guarantee for winning the trust of customers.

Pub Time : 2025-07-08 13:55:08 >> News list
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