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???? CNC e-books for everyone! Gain practical knowledge in a convenient form! Check out our e-books and master CNC programming step by step: https://cnc-millena.com/cnc-online ???? On-site CNC training: Do you want to learn how to operate CNC lathes and milling machines live? Sign up for our on-site training in a modern training center: https://cnc-millena.com/kursy/ ???? CNC online courses Develop your skills without leaving home! We offer comprehensive online courses with CNC programming: https://cnc-millena.com/cnc-online/ ???? Do you want to become a CNC operator? Gain practical knowledge in our online course! ???? Start now at https://cnc-millena.com/cnc-online and start your CNC adventure today! ???? Recognizing worn tool inserts and other tools is essential for maintaining high-quality cutting and worker safety. There are several telltale signs that can be observed to determine the extent of tool wear. Here are some tips on what to look for when assessing tool wear: 1. Appearance: The first thing to check is the overall appearance of the tool. A worn tool may have visible signs of damage, cracks, or deformation on the surface. 2. Machining and performance: If machining becomes increasingly difficult and performance decreases, this may be a sign of tool wear. If the accuracy and finish were initially good, but now you notice inaccuracies and excessive roughness of the machined surfaces, this may indicate the need to replace the tools. 3. Abrasion marks: Worn tools often show visible signs of abrasion on the working surfaces. For example, the tool plate may have pits, bulges, or scratches. 4. Discoloration and damage: Worn tools often change color due to the high temperatures generated during machining. In addition, cracks or chips may occur on the tool surface. 5. Sharpness check: Check the sharpness of the cutting edge of the tool. Worn tools have dull edges, which leads to increased resistance during machining. 6. Vibration and noise: Worn tools often cause increased vibration and noise during machining. This can be a sign of a tool failure. 7. Replacement frequency: If your tools have needed frequent replacement recently, this may indicate rapid wear. Remember that regular inspection of your tools and proper maintenance can extend their life. When in doubt or suspect wear, it is always a good idea to consult a machine tool expert to avoid potential problems and hazards. Maintaining a safe workplace is extremely important, so be vigilant and take care of your tools!