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4. MAJOR CONSTRUCTION
4-1 Headstock
1. With high tensile durable cast iron material, which can withstand the higher work
load, the internal gears are made of chrome molybdenum alloy steel, made after
carburizing, quenching treatment, and precision grinding, and will reduce friction,
noise and increase wear-resistant.
2. Spindle speed with 12 steps speed change, the device included circular speed
plate, three range shift lever, and the shift lever control reversed and forward.
Please only change the spindle speed after stopping the spindle. Otherwise the
gears will get damaged. And will resulting in noise and vibration on the lathe,
and reduction of the accuracy and its lifespan.
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