Driving Torque Model and Accuracy Test of Multilink High-Speed Punch

Table 1

Parameters of parts.

	Crank 2	Connecting rod 3	Slider 4	Auxiliary connecting rod 5	Auxiliary slider 6
Quality/kg	210	110	1200	55	720
Connecting rod length/mm		350	–	615
	Barycenter coordinates /mm						72	–	177	–
Moment of inertia  kg·mm^2)	5.2	32.0	–	33.0	–