Crack & Special Repair
On-site repair welding of cracks in rotary kiln and ball mill shells, vertical mill legs, Horomill rolls and roller segments.
Reweld resolves cracks in heavy equipment with on-site repair welding — from rotary kiln and ball mill shells to vertical mill legs, Horomill rolls and roller segments, across a wide range of critical repairs.
Applications
- Rotary kiln shell crack repair
- Ball mill head / shell cracks
- Vertical mill leg cracks
- Horomill roll surface crack and pit repair
- Ni-Hard roller segment fracture repair
- Kiln tire local repair + ring retainer block renewal
On-site repair process
- Crack location and non-destructive testing
- Opening the crack by grinding / gouging
- Preheat and selection of the right electrode/wire
- Multi-pass repair welding
- Final NDT and handover
Technical specifications
- Delivery
- On-site
- Equipment
- Rotary kiln, ball/vertical mill, Horomill
- Quality control
- MPI · penetrant · ultrasonic
- Featured reference
- Liberia BMMC ball mill crack repair
Work in the field
Application process
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The manhole-frame area to be repaired.
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Arrival on site and access to the ball mill.
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Entering the mill; working over the grinding balls.
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Locating and inspecting the crack from inside.
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Starting to grind the crack open.
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Gouging and cleaning out the crack.
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Preparing the weld groove on the manhole frame.
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Grinding the crack groove.
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The crack groove, ready for welding.
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Final check before welding.
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Filling the crack with multi-pass build-up welding.
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The completed weld bead.
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The finished weld on the manhole frame.
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The repaired crack line.
Your partner against wear.
Let's assess the wear points at your plant and offer the solution that fits best.