Huvema HU 410 x 800 VAC TOPLINE, Инструкция по эксплуатации

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Operation Manual of Horizontal Lath
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especially when the chuck of grey pig iron is used it shall break if it is something
damaged.
c. If no griping force is known before jigging.
d. All factors such as strength of the workpiece to be jigged, balance of the jigging
faces and the workpiece etc. can largely affect the maximum safe speed.
When the workpiece is rotation, it may not be jigged firmly due to the role of
centrifugal force and following factors may be involved:
a. The speed is too high.
b. The weight and type of the claws are off standard.
c. The working radius of the claw is unsuitable.
d. The claw ahs bad lubrication.
e. It is unbalanced.
f. The dynamic factor is not considered in the jigging force.
g. Too large cutting force.
h. Is the workpiece jigged internally or externally?
These factors should be seriously considered as they can cause different influence
in different purposes. The manufacturer cannot provide concrete data for general use
as they are beyond the range controlled by the manufacturer of the machine.
1-3 General Safe Rules for Operator of the Lathe
1. When jigging the workpiece, it cannot have oil or grease;
All parts should be jigged firmly;
Do not intend to jig the workpiece which is unsuitable or hardly to jig well;
Do not jig the workpiece exceeding the weight allowed by the lathe;
Master suitable hoisting method when the workpiece is hoisted.
2. Ensure to remove oil or grease on handy tools and operation grippers;
Ensure the structures of handy tools and operation grippers are suitable to touch
safely by hand.
3. When operating the handy tool or the operation gripper, it should be gripped
firmly;
Select suitable position to grasp on the handy tool or the operation gripper;
You cannot grasp the handy tool or the operation gripper on unsuitable position;
You cannot operate with excessive force.
4. Grasp the handy tool or the operation grippe on recommended positions.
5. Do not allow to leave other handy tool or operation gripper on the chuck.
6. Do not allow to use broken, damaged or defected tool.
7. Ensure the workpiece is jigged firmly on the chuck or other jiggers.
8. Take special care of irregular workpiece.
9. Take care of large flashes and burrs on the workpiece.
10. Always take care to select correct tool in work.