Huvema CRDM 3050 x 16/1, Operation Manual

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handwheel 1-9 to realize manual feed.
4.4 Tapping
4.4.1 Push the startup button 1-5 of main motor
；
4.4.2Circumgyrate primary knob 1-12 of the spindle speed and feed knob 1-11,
choose spindle speed and feed rate.
4.4.3 Circumgyrate the spindle clockwise or counterclockwise, push down the
speed change handle 1-13 to speed change position for three seconds, put it up to
the position of clockwise rotation, the screw thread can be drilled, after reaching
preset depth, move the handle 1-13 to the position of reversal to unthread the tool.
4.5 Explanation of spindle neutral /speed change
：
Do as fig.4.2, put up the handle 1-13, it is easy to turn the spindle by hands, if
want to start up spindle, push down 1-13 to the
position of speed change until the spindle turns, and
then move it to clockwise rotation and reversal.
4.6 Explanation of the spindle clockwise and
counterclockwise rotation
As shown in the fig.4.2, adjust the handle to the
position of the clockwise and counterclockwise
rotation after the main motor starts up, which
means the spindle turns clockwise and
counterclockwise.
4.7 Explanation of the spindle speed
4.7.1 Automatic feed
：
Push down the handle 1-15, then pull out the handle 1-9,
then automatic feed is to carry through
。
4.7.2 Manual feed: Push the handle 1-9, rotate it,
drive the spindle feed up or down.
4.7.3 Micro feed
：
Put the handle 1-15 in the
horizontal position and then pull out handle 1-9,
turn handlewheel 1-17.
4.7.4 Setting stroke cutting
：
As shown in the fig. 4.3, pull out the handle 1-7,