Tech Forum
Bridge Crane Overhaul Contents
Bridge crane overhaul includes: Mechanical part: Break down all the mechanisms, including reducer, coupling, drum set, wheel set and extract devices, etc., replace the parts which should be scrapped, re-assemble and lubricate after cleaning
Brake Scrapped Standard
(1) Brake surface with crack or break; (2) Traveling mechanism brake band with thickness wear of 1/2, lifting mechanism brake band with thickness wear of 1/3; (3) Burning or charring of the brake band surface; (4) Plastic deformation occurs
Wire Rope Scrapped Standard
1. Each twist of wire rope , broken wires number up to 12 (6 * 19) or 22 (6 * 37); 2. Wire rope radial rust or wear up to 40% of the original diameter; 3. Lifting liquid metal wire rope, numbers of scrapped broken wires up to 6 (6 * 19) or
Crane Wheels Scrapped Standard
When there are the following defects, the crane wheels should be scrapped and replaced: (1). Wheel surface with crack or break; (2). Wheel flange thickness wear amount up to 50% of the original thickness; (3). Tread thickness wear amount up
Pulley Scrapped Standard
When there are the following defects, the pulley should be scrapped and replaced: 1). Wall thickness wear amount of the pulley rope groove reaches 20% of the original thickness; 2). Radial wear amount of the pulley rope groove bottom is mor
Crane Hook Scrapped Standard
When there are the following defects, the hook should be scrapped and replaced: (1). Hook surface with crack or break; (2). Dangerous section erosion rate more than 10% of the original size; (3). Dangerous section and hook neck part with pl
Recommend
Contact Us
Industry Park, Changyuan, Henan, P.R.C
marketing@craneus.com- contact@craneus.com
- Tel:(0086) 15836006986
- Fax:(0086) 373 8883166
- Skype:wei.crane
