1. It has sufficient strength and rigidity to maintain the specified motion accuracy, high reliability, low failure rate, stable product quality, high processing accuracy, and strong environmental adaptability; it is convenient to use and maintain, and it is simple and safe to operate.

2. It has a certain degree of flexibility and can adapt to the requirements of a certain range of product specifications and varieties; it has a reasonable degree of non-standard automation. Implement standardization, generalization and serialization; simple structure, easy manufacturing, low cost; high production efficiency, low energy consumption; saving materials, especially precious and scarce metal materials; reducing labor intensity, improving working conditions, and not polluting the environment, Emphasize technical aesthetics, create civilized production conditions; leave room for development.