The work table is graduated 360 degree around it s circumference anddriven by a precision Worm and gear providing a 90:1 reduction ratio.
One turn of the handle moves the table through 4 degrees . The dial isgraduated in division of 1 min .and the vernier scale allows readingdown to 10 seconds.
The worm is hardened and precision ground to minimize wear out ofthe worm gear .
Both the upper and the lower surface of the rotary plates are precision ground.
選購配件
Operational accessories
尾座Tailstock
蜂巢板Dividing plate set
三爪3-jaw chuck