Input: pink crank.
Center of the pin on green satellite pinion traces an equilateral triangle of rounded vertices.
Yellow vertical bar translates following the said triangle thanks to violet slider of two prismatic joints.
Internal gear: tooth number: 60; module: 3 mm
Pinion: tooth number: 20; module: 3 mm
Length of the pinion crank: 16.5 mm
Length of the pink crank: 60 mm
To draw a complete equilateral triangle the pink crank rotates 1 revolution.
Time for tracing straight portion is nearly 1/3 of working
آی-ویدئو