Methods for Selecting Cutting Tools
Published:
2026-07-08
Author:
None
Abstract:
Since CNC lathe machining is a high-precision operation, and it features concentrated process steps with fewer part‑clamping operations, it places higher demands on the CNC cutting tools used. The following sections will introduce these requirements.
When selecting cutting tools for CNC machining, the following factors should be taken into consideration:
① The type, specifications, and precision grade of CNC cutting tools shall meet the machining requirements of the CNC lathe.
② High precision. To meet the high-precision requirements of CNC lathes and their need for automatic tool changes, cutting tools must possess a high degree of accuracy.
③ High reliability. To ensure that unexpected tool damage or latent defects do not disrupt the machining process, both the cutting tools and their associated accessories must exhibit excellent reliability and strong adaptability. Precision metalworking.
④ High tool durability. Cutting tools used on CNC lathes, whether for roughing or finishing operations, must exhibit greater durability than those employed on conventional machine tools, thereby minimizing the frequency of tool changes, regrinding, and tool setting, and ultimately enhancing machining efficiency while ensuring consistent part quality.
⑤ Excellent chip-breaking and chip-removal performance. In CNC turning, chip breaking and chip evacuation cannot be handled promptly by hand as in conventional machine tool machining; chips tend to wrap around the cutting tool and workpiece, potentially damaging the tool, scratching the machined surface, and even causing injuries or equipment malfunctions, thereby compromising machining quality and the safe operation of the machine tool. Therefore, the cutting tool must exhibit superior chip-breaking and chip-removal capabilities.
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