Main features: 1. Hyperacoustic quenched andaccurate grinded bedway and dovetail of saddle; 2. 80mm spindle bore; 3. One piece cast ironbase,with well rigidity; 4. Hyperacoustic quenched andaccurate grinded main drive gear; 5. Forced lubrication ofheadstock by oil pump; 6. Clutch assembled in apronfor avoiding overload automatic feed; 7. Demountable gapped bed isconvenient to manufacture big diameter workpiece; 8. Convenient to cut differentthreads without changing gears; 9. Five positions are availablefor automatic feed stop; 10. Foot brake gives rapidbraking.
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