Development of [Chainsring][Hoist][Sringchain][Coil tong][Coil riftar] etc. vehicular equipment including [Clamp][Tong][Riftar][glove] as hang tool.

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HOME PRODUCT Correct handing and inspection of clamps safe clamp use mechanism of clamps
Sefe clamp use
Safe clamp use
More than 90% of all clamp accidents are caused by incorrect handling or use. Special attention is required when performing familiar, repetitive work or the clamps are old. For your own safety, read the following precautions carefully,and be careful not to use clamps incorrectly or dangerously.
Precautions common to all clamp models
1:Check the load before lifting
Check the total weight of the load and find its center of gravity.(Fig.1)
When lifting a load longer than 1 m , take special care to calculate the saide center of gravity.
If you do not , it can be very dangerous.(Fig.2)
If oil or water is found on the surface of the load, be sure to wipe it off before attaching a clamp.

2:Use clamps suitable for the working conditions.
Select clamps according to the mechanism and capacity necessary for the load.
Be sure to use clamps that have an appropriate capacity, max
working load and opening size.
Match the clamp working load capacity to the weight of the load.
A load should weight at least 1/5 of the working load weight specified for the clamp.
It is dangerous to lift loads with a thickness less than 1/4 the maximum opening size.(Fig.3)
When lifting loads with a slippery surface , due to oil , paint , etc, make sure to use new clamps.
When lifting a load that weighs less than 150 kg , use different , light load type clamps.
When vertically lifting long materials (more than 10 times as long as they are wide), use our Model SBB clamp.(Fig.4)
Do not use clamps in place of hooks.
Never use clamps that have been hit hard or banged against an object.

3:Inspections and precautions when attaching clamps
Select the positions to attach the clamps so that the locking lever or the locking latch does not touch the wire , chain , lifting shackle , or other objects while lifting or lowering the load.(Fig.5)
Make sure all clamps are attached at positions higher than the center of gravity of the object.
Make sure that the locking latch or the locking lever has been set securely.(Fig.6)
Make sure steel plates are inserted into the clamp until they touch the back of the jaw opening . Don't leave a space. .(Fig.7)
When deciding where to attach the clamps , always take into account where the load will be set down.
Loads which are especially unstable when set down are dangerous .

4:Precautions and prohibited work practices
Be sure that everyone stays clear of the falling and swinging range of the objects being lifted.
Don't lift objects while people are in the danger area . (Fig.8)
It is dangerous when steel plates which are stacked vertically next to each other are clamped from the side and raised . Don't do it . (Fig.9)
When using a number of points for lifting , pay special attention to avoid an unbalanced load .
When lifting heavy or long objects (more than 1 m ) , be sure to use 2 to 4 point lifting . (Fig.10)
Always use proper lifting wires and chains . Before lifting an object , check for twists or kinks .
It is dangerous to lift several different objects using separate clamps suspended from one hook .
Don't do it . (Fig.11)
It is dangerous to lift more than one steel plate with a single clamp .
Don't do it . (Fig.12)

5:Precautions when lowering and landing
Take into account the impact load at the point where you will be turning over the object .
Operate the crane slowly so that there is no great impact (loading shock) applied to the clamps .
When lifting oddly shaped or unstable objects , be sure to use a support stand to keep the object from falling over . (Fig.13)
After removing the clamps from an object , special care should be taken so that the clamps do not bang against each other .
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