Universal Angular Milling & Boring Head
Universal Angular Milling & Boring Head takes drive from the floor type horizontal boring machine through morse taper/standard shank, tenon and a set of bevel gears to spindle. The spindle is supported in the quill provided. The quill is guided in casting bore. The quill with spindle has both manual feed, and auto feed by way of clutch disengagement & engagement. In the bevel gearbox, the bevel gears' shafts are supported on rigid taper roller bearings. The bevel gears are assembled with special care so that they run with optimum backlash. On one side of the fabricated gearbox, output bevel gear mates with the input bevel gear of the spindle housing provided. The spindle housing is of high quality cast iron. It houses the quill and spindle assembly and feed gearbox. Auto feed is accomplished through feed gearbox having change gears, safety clutch, worm & worm wheel, toothed clutches and rack & pinion arrangement. Change gears are provided at the top of the feed gearbox and their positions are marked suitably. Auto feed & manual feed are obtained by shifting the clutch lever, left and right. The corresponding positions are marked on the unit. Provision is made to switch to manual coarse or fine feed by turning appropriate wheels. Mounting the required boring tool/cutter can be done by using boring bar/adopter depending upon the type of cutter used as per manufacturer's recommendation. Precitec offers a universal angular milling and boring head.
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