Crank pin crank-toggle valve stem valve plate

曲柄销曲拐机构阀杆阀板

The equation for calculating minimum tightening torque on the crank pin nut is given.

给出了曲柄销联接螺母的最小拧紧力矩计算公式.

With an adjustable crank pin to control the length of stroke. As the bull gear rotates, the rocker arm is.

惠氏机构的电机转动重载齿轮，驱动一个带有可调整销钉的曲柄以便控制进、回程的长度。