Tool wear and life management in rough boring are very important, which are directly related to machining efficiency, cost and machining quality. Effective tool life management can reduce production costs, improve production efficiency, while ensuring machining quality, which is particularly critical for precision machining in the aerospace field.

1. Types and causes of tool wear

1. Tool tip wear: In the process of rough boring, the tool tip will gradually wear out due to contact with the workpiece, resulting in the loss of sharpness of the cutting edge and reducing cutting efficiency.

2. Blade breakage: Due to abnormal tool materials or processing process, blade breakage affects processing quality and safety.

3. Tool surface wear: During the cutting process, the tool surface will wear due to friction and heat, reducing tool life and processing quality.

Second, tool life management strategy

1. Tool material selection: Select wear-resistant and high-hardness tool materials to improve the wear resistance of the tool.

2. Tool design: Optimize tool structure, reduce the possibility of tool wear and fracture, and extend tool life.

3. Tool coating: The use of high-performance tool coating technology, such as TiAlN, TiCN, etc., to improve the wear resistance and thermal stability of the tool.

4. Optimization of cutting parameters: reasonable selection of cutting speed, feed speed and cutting depth to avoid excessive tool wear.

5. Tool monitoring and maintenance: Establish tool monitoring system, timely monitoring tool wear, regular tool replacement and maintenance.

Third, the importance of tool life management

1. Reduce production costs: Effective tool life management can reduce tool replacement frequency and processing costs, improve production efficiency.

2. Improve processing quality: Timely replacement of worn tools can ensure processing quality and workpiece accuracy, and avoid machining quality problems caused by tool wear.

3. Safe production: Effective tool life management can reduce the occurrence of tool breakage and accidents, and ensure the safety of operators.

4. Tool life management practice

1. Establish a sound tool management system, including tool selection, procurement, inventory management, use records, etc.

2. Regularly carry out tool wear detection and evaluation, and make a reasonable tool replacement plan.

3. Strengthen the training and skill upgrading of operators to improve their ability to identify and deal with tool wear.

4. Intelligent monitoring equipment and data analysis technology are introduced to achieve real-time monitoring and early warning of tool wear.

In short, tool wear and life management is very important for rough boring. Through scientific management methods and technical means, it can effectively extend tool life, reduce processing costs, improve production efficiency and quality, and provide strong support for precision machining in the aerospace field.