NB200-W is a new generation alloy saw blade gear grinding machine. It is a fully automatic gear grinding machine specially designed for solid tungsten steel saw blades. It has undergone subversive transformation in function and adopts a fully enclosed appearance. It adopts high-precision absolute value servo drive, precisely controls the feed of the emery wheel, and precisely divides the teeth of the saw blade into equal parts. It has good concentricity and no large or small teeth. It is especially suitable for new teeth opening and daily grinding of solid tungsten steel saw blades. The tooth tips are sharp. The chamfering is precise, the outer diameter accuracy of the grinding tooth tip is within ±0.01mm, the performance is stable, and the operation and maintenance are simple and convenient.