The method of machining negative pressure angle spiral clutches with disc milling cutter and gear milling machine is studied. The mathematical model is established according to the characteristics of spiral clutches firstly. and the coordinate transformation relationship from the cutting tool system to workpiece system. the tooth surface points and mismatch quantity are calculated aft... https://www.roneverhart.com/Cucharita-Tamarind-Candy-Spoons-24-Piece-Pack/