Selection principle of fixture in machining center;

1.

On the premise of ensuring machining accuracy and production efficiency, universal fixture is preferred.

2. We can consider using simple special fixture for batch processing.

3. Multi-station fixture and efficient pneumatic and hydraulic fixture can be processed in large quantities.

4. When using group technology, group fixture should be used.

5. Good clamping position of the workpiece on the workbench of the machine tool: the clamping position of the workpiece should ensure that the workpiece is within the processing stroke range of each axis of the machine tool, shorten the length of the tool as much as possible and improve the processing rigidity of the tool.

Machining center fixture requirements:

1. The clamping mechanism shall not affect the feed, and the machined parts shall be open.

2. The fixture can be directionally installed on the machine tool.

3. The rigidity and stability of the fixture are better.

Machining center fixture type:

1. General fixture: such as vice, indexing head, chuck, etc.

2. Modular fixture: Modular fixture is composed of a group of common parts with standardized structure and standardized size.

3. Special fixture: a fixture specially designed and manufactured for one or several similar processes.

4. Adjustable fixture: The combination of combined fixture and special fixture can not only ensure the machining accuracy, but also make the clamping more flexible.

5. Multi-station fixture: a fixture that can clamp multiple workpieces at the same time.

6. Group fixture: it is specially used for clamping workpieces with similar shapes and sizes and the same or similar positioning, clamping and processing methods.