Chain Inspection and Maintenance

Author : Rosie

Update time : 2023-03-03 17:48:25

Having a good inspection and maintenance programme will result in most chains running better and lasting longer. It is often more advantageous to deal with problems found during chain drive or chain conveyor inspections than to repair them after they have failed. Frequent inspection and maintenance is often less costly than repairing a fault.

Most chains will show signs of failure before they occur, so routine inspections to identify and deal with problems can prevent subsequent failures and thus ensure production. If the hidden damage is not identified during the repair of a single failure, the failure may recur soon afterwards.

All chain installations should establish and follow an inspection process. A checklist of items to be inspected and a record of actual repairs should be kept. This method allows the use of the chain to be recorded so that it can be adjusted or replaced before significant damage occurs.

Safety measures

Failure to follow safety rules can result in significant personal injury, therefore the following safety precautions must be observed when inspecting, repairing or replacing chains:

Switch off the power to the equipment and lock the power switch before carrying out any inspection, adjustment, repair or replacement of the chain. Ensure that protective eyewear is worn to protect your eyes.

Wear suitable protective clothing, gloves and safety boots.

Snap the chain to prevent uncontrolled movement of the chain or workpiece.

Limit rotation of sprockets and shafts as such rotation can cause loss of control of the chain and result in personal injury and equipment damage.

Use pressure equipment to remove and install chain pins and connecting chain plates. Ensure that the tools are in good condition and can be used correctly. If suitable pressure equipment is not available, consult the chain manufacturer for instructions.

Before attaching or detaching the chain, understand the chain construction, including the correct of the pin removal and insertion.

Inspection Plan

All inspection plans should contain the following provisions, which apply to all chain drives and chain conveyors.

Check for signs of interference.

Check for chain and sprocket damage.

Check alignment of shafts, sprockets, and tracks. - Check for dirt and corrosion. - Check for problems with lubrication. - Check for sprocket wear. Check chain wear.

Check for proper initial chain tensioning. Check the condition of the protection devices.

The above items are only some of the main items in the general check, there may be more items in the specific check that should be added to the above table.

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