autolap valve lapping machines: the autolap -1, autolap -2, autolap -4 and autolap -6 valvelapping machines are the first of its kind in india. this machine provides major technological break-through in valve lapping operation of internal combustion engines. It greatly improves the accuracy and productivity. Sometimes valve lapping operation is done manually and has following major drawbacks.  low production rate  high cost of operation  requirement of skilled labour  inconsistency in lapping  high fatigue