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IV THE SYSTEM OF TRANSMITION
AND CHANGED SPEED
1.Transmition of power
a.Vertical milling machine transmit power from double speed
motor to spindle through a V-belt.
b.Vertical milling machine transmit power from motor to
spindle through two V-belt.
2.Vertical shaft:when changing speed.open the two side cover
of upper spindle box, loosen the tightened bolt of motor, move
handle on the right side to loosen the belt change belt to the
position needed ,remove motor and make belt fitted, tighten the
tightende bolt and then work.
Horizontal shaft:when changing speed. open the cover of the rear
vertical-column,firstloale the nut lie between vertical-column and
the surport of motor. then loosen nut that make belt loosed or
tightened.adjust belt to the position required finally tighten the
nut.
3.H/V Drilling and milling machine power is transmitted from
motor to spindle through V-belt and trichanged speed.
NOTICE:Stop motor before changing speed!
Page 11
Instruction Manual for HM-51B (M577)
25/03/2019
