Hoisting Machine: to Do’s and Don’ts about Synthetic Slings

FAQ Aug 14, 2014 No Comments
ZZHZ CRANES

ZZHZ CRANES

Made from polyester, polypropylene, nylon or polyamide, synthetic slings are widely used for hoisting machines where it is vital to prevent the load from electric hazards or damage. Considering safety of hoisting machine, synthetic slings must be inspected before each use. Especially a sling is devoted itself to severe conditions, the hoisting machine operators should pay more attention to schedule inspections.

Looking for:

  1. Internal abrasion which is often indicated by a presence of dirt and girt or a thickening of the sling.
  2. Any external wear such as contusions or cuts.
  3. Damage to the stitching or label.
  4. Damage caused by chemicals, sunlight or high temperatures. The discoloration will tell you the change.
  5. Damage to the eyes or any end fitting or terminal attachments.
  6. Damage to any protective coating of the sling.
  7. The covering sleeve must cover the sling for the full length.

Slings must be stored:

  1. In a dry, clean, well ventilated place.
  2. Away from extreme of heat.
  3. Away from ultra-violet light, direct sunlight or fluorescent lights.
  4. Away from sources of ignition.
  5. Away from the possible of mechanical damage.
  6. Away from liquid or atmospheric chemicals.

Abandon a synthetic sling if:

  1. There is any damage to the sleeve or protective coating.
  2. The label has been removed or destroyed.
  3. A polyester sling comes into contact with alkaline substances.
  4. A nylon sling comes into contact with acid.
  5. A polypropylene sling cones into contact with an organic solvent such as coal tar, paint or paint stripper.

Any question or demand about hoisting or construction machines, please feel free to contact us.

Email: zzhz114@gmail.com    Tel: 0086-371-68000000

 

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