2. Fast structural transformation: the transformation speed of plane, vertical, angle, spatial angle, rotation, rotary indexing and other structures is fast, and the rapid transformation between structures can be completed within 30 minutes;
3. Wide application: turning, milling, drilling, grinding, boring, drilling, clamping, machining center, inspection, assembly and welding;
4. High precision: it can realize the step adjustment of straight line 0.0 1mm and angle 10;
5. Strong rigidity: the strength of two-pin one-side positioning structure can be comparable to that of special fixture, and the repeated positioning accuracy is 0.005mm；;
6. Digital management: Computer simulation of assembly design and management can improve the design of modular fixture.