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PointtoPoint and Contouring Machines and Control
Tape Cards and Information
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accuracy amplifier amplitude analogue systems angle arranged axes axis binary code calculated cards centre chord circuit circular arc command signal contouring control system controlled machine tool coordinates curve cutter path data points datum decimal defined differential dimensions displacement drilling drive electric equation error signal feedrate Ferranti Gray code helixyn holes hydraulic incremental systems inductosyn input leadscrew length linear interpolator machine tool machine-tool control magnetic amplifier magnetic tape management codes management instructions manual matching span maximum measuring device method milling machine minor point motion motor move necessary number of pulses numerical control operation output paper tape parabolic interpolator parity codes phase photocell Point-to-Point Control System point-to-point machine position-measuring device positional systems possible potentiometer programme punched tape radius result rotary table rotation servo servomechanisms servomotor servosystem shown in Fig slide speed straight line switch synchro tape reader torque valve velocity voltage workpiece zero