Operation Manual
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page 20
9.Machine use and maintenance:
9.1 Before running the machine, carefully read the Operation Manual first, fully understand
the structure of the machine and its performance and needs to familiar with locations for
all levers and buttons.
9.2 Lubrication of the machine is very important. Daily lubrication work as per the
requirements of the operation manual is necessary. Otherwise transmission parts and bearings
will be damaged.
9.3 Max. spindle torque of this machine is 70 Nm. Max. feed resisting force in the driving
system is 5000 N. Over permitted cutting feed range is not allowed. High spindle speed
with big cutting feed is not good to the machine.
9.4 As standard drill with118 degree angle features big cutting force but quick wear-out,
so diameter and roughness of holes is not so ideal after drilling, therefore, regrinding its
edges particularly for the big diameter drills is necessary. It is better to use two different
angles for the machining of cast iron material (Second angle could be 70°).
9.5 Spot facer with three edges is proffered for the spot facing machining, using a normal
drill for spot facing job will cause vibration. However, it will have a better result for
the spot facing machining if reducing the rear angle of the normal drill with two
different angles and going down the cutting speed and feed rate.
9.6 Temperature of motor will be increased so quickly when tapping due to frequently
Motor direction be changed. Therefore, rapid and continuous taping shall be avoided. Max.
eight times per minutes of tapping is recommended. The machine shall be stopped for cooling
if the motor is too hot.
9.7 As gears are to be used for spindle, so it is not allowed to change spindle speed when
machine running, otherwise it will damage gears, shafts or relevant parts.
9.8 Do not extend spindle quill too much, instead, a
proper working table height is
suggested .Clean the spindle taper hole and tool taper shank first before tool mounting.
Unqualified or rusted or damaged taper shank is forbidden to use.
9.9 Dry agent inside of the electric box and regularly removing dustiness are necessary. It is
forbidden to us gasoline or kerosene or diesel oil to clean electric components. We suggest to
use those no erosion and not be easily burned liquid such as carbon tetrachloride etc.
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