1. Large dimension error of workpiece machined by multi-datum.

2. Increasing the waiting time for clamping by multiple clamping.

3. The difficulty of loading and unloading large workpieces.

4. Multi-machine assembly is needed to complete a product processing.

5. At least three sets of fixtures are required to complete a product processing.

6. The limited number of tool storehouse is not conducive to the preparation of knives for complex parts.

7. Big vibration when processing large side parts.

8. The number of machines is large and the area is large.

9. High energy consumption.

1. Machining Five Faces on the Basis of One Face to Improve the Position Accuracy of Workpiece.

2. Finishing five-sided processing in one clamping process reduces the repeated clamping time.

3. Reduce the manpower consumption of handlers and workers.

4. After processing a base plane, the other pentahedrons can be processed on a pentahedron.

5. Only two sets of fixtures are needed to complete one-time forming of the product.

6. 48 pairs of knives for complex parts and multi-parts processing.

7. Suitable for large-scale processing of large parts, good rigidity and high stability.

8. Save the area occupied and increase the utilization rate of the factory building.

9. Energy Saving, Consumption Reduction and Environmental Protection.