Mechanism

actuating addendum circle angle angular velocity angular-velocity ratio attached axes axis belt bevel wheel block centripetal acceleration circular arc common normal connecting rod connecting-rod coupler crank arm crank pin crank radius crank shaft crosshead curve cutter cutting cycloidal cylinder described diameter direction displacement distance draw driving ellipse engine equal equivalent crank fixed centre frame gear horizontal intersect involute keyed kinematic chain lathe leading screw length lever line of centres line of stroke machine mandrel mean position meshes move number of teeth obliquity obtained oscillating P₁ P₁A P₂ parallel motion perpendicular pinion piston pitch circle pitch line pitch point plane pulley rack radii reciprocating piece relative represent the velocity return stroke revolution revolutions per minute roller rolling circle shape shown in Fig sliding slot spindle spur wheel straight line tangent tool tooth transmitted turning pairs valve velocity diagram velocity ratio vertical whilst worm wheel