Shovel Bucket Coller Pin Hub Crack

Industry Type
Cement

Product Group
Lotherme

ANALYSIS

Equipment
Shovel Bucket

Component Name
Adoptor

Type of Problem
Crack

Problem Due To
Dynamic Load

Previous Solution
600NH, CGS 680

Base Metal
Tiscrol Steel, Mn. Steel

Comp. Weight
3 MTS

Dimmension L ×T×W (mm)
1500 ×60×80

OUR SOLUTION

Product
Lotherme 457

Size (mm)
3.15

Current (Amps)
100

Quantity (Kgs)
4

Product
Lotherme 457

Size (mm)
4

Current (Amps)
130

Quantity (Kgs)
10

Product
Lotherme 468

Size (mm)
4

Current (Amps)
140

Quantity (Kgs)
10

Product
Lotherme 802

Size (mm)
4

Current (Amps)
240

Quantity (Kgs)
8

JOB PICTURES

Shovel Bucket Adoptor Crack Using Our Lotherme 457,468,802

Procedure

1. Up to 40mm depth made the v grove by gouging with lot 802,

2. Grinded the gouged the material.

3. Root welding lotherme 457 dia 3.15mm with help of peening the weld metal not to extend the crack on root weld.

4. Multy layers with lotherme 457 dia 4mm

5. Final 4 layers with lotherme 468 dia 4mm for strengthening weld deposit.

6. Made the back gouging another 30mm and started the same prociser total 3 cracks complited.