What are the special application requirements of granite spindles and worktables in coordinate measuring machines in different fields (such as automobile manufacturing, aerospace, etc.)?

With the rapid development of manufacturing industry, the requirement for precision measurement is higher than ever before. Coordinate measuring machines (CMMs) are widely used in various fields such as automobile manufacturing, aerospace, and mechanical engineering.

Granite spindles and worktables are essential components in CMMs. Here are some special application requirements of granite spindles and worktables in different fields.

Automobile Manufacturing:

In automobile manufacturing, CMMs are mainly used for quality inspection and measurement of automotive parts. Granite spindles and worktables in CMMs require high precision and accuracy. The surface flatness of granite worktables should be less than 0.005mm/m and the parallelism of the worktable should be less than 0.01mm/m. The thermal stability of the granite worktable is also essential because temperature variation can cause measurement errors.

Aerospace:

Aerospace industry requires even higher precision and accuracy in CMMs because of the strict quality control and safety requirements. Granite spindles and worktables in CMMs for aerospace applications need to have higher flatness and parallelism than those for automobile manufacturing. The surface flatness of granite worktables should be less than 0.002mm/m, and the parallelism of the worktable should be less than 0.005mm/m. Additionally, the thermal stability of the granite worktable should be as low as possible to prevent temperature variation during measurement.

Mechanical Engineering:

In mechanical engineering, CMMs are used for various applications, including research and production. Granite spindles and worktables in CMMs for mechanical engineering applications require high precision and stability. The surface flatness of granite worktables should be less than 0.003mm/m, and the parallelism of the worktable should be less than 0.007mm/m. The thermal stability of the granite worktable should be moderately low to prevent temperature variation during measurement.

In conclusion, granite spindles and worktables play crucial roles in CMMs for various fields. The special application requirements of granite spindles and worktables differ in different fields, and high precision, accuracy, and thermal stability are essential in all applications. By using high-quality granite components in CMMs, the quality and accuracy of measurement can be guaranteed, which improves the overall production efficiency and product quality.