Product Description
Our in situ line boring can be as a precision machining solution that restores worn, damaged, or misaligned bores of the equipment or structure directly without dismantling or relocation equipment.
"In situ" means that the machining is performed at the exact position of pending repair equipment, it can preserve original geometry, alignment, and load path. It is especially critical for large, heavy, or fixed components such as excavator booms, buckets, mining frames, and industrial structures that are impractical or impossible to be transported to a workshop for maintenance.
By performing line boring at the point of failure, in situ machining eliminates unnecessary disassembly, reduces downtime, and delivers accurate bore restoration under real working conditions. It is a proven and widely adopted method in construction, mining, and heavy industry maintenance.
It is cost-effective and affordable for new entrepreneur.The price range is between The price range is between USD2,621 and USD 3,021. Contact us for exact pricing on your requirements.
Product Specification
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MB40300 |
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In Situ Line Boring |
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Standard Line Boring Ability |
Optional Extended Auto Bore Welding Ability |
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Boring Bar Length |
1600mm, 1200mm, 750mm |
Welding Rod Dia. |
40mm |
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Bore Dia. |
40-300mm |
Welding Dia. |
40-300mm |
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Boring Bar Dia. |
50mm,35mm |
Welding Rod Length |
200,240,300,380mm |
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Lead Screw Stroke |
280mm |
Welding Supply |
MIG |
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Power |
3.1KW |
MIG Type |
200a-500a |
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Voltage |
220V, 380V |
Welding Wire Dia. |
0.8, 1.0, 1.2mm |
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RPM |
50-300rpm |
Welding Torch Cable |
4500mm |
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Torque |
105N.m |
N/A |
N/A |
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Speed Control |
Stepless |
N/A |
N/A |
Product Advantages
- Machining in original working position
- No dismantling, no transportation
- Minimal downtime, maximum uptime
- Suitable for large, fixed, or immovable structures
- High accuracy under field conditions
- Working in remote and harsh places
Multi-Application Machining Capabilities
- Precision line boring in place
- Multi-bore coaxial boring
- Bore restoration after welding
- Large-diameter and heavy-duty applications
- Adaptable setup on complex geometry
Who Needs In Situ Line Boring Most?
Typical users include:
- Mining maintenance companies
- Construction equipment service maintenance providers companies
- On-site machining contractors
- Heavy industry maintenance departments
Please Confirm The Power Plug Type You Need

Please Confirm The Connection Type of MIG Welding Torch if You Already Have One MIG Welding Machine
The common connection types includes EURO, Panasonic, Lincoln, and Miller.

FAQ
Q: Can the mobile line boring tools be used for multiple bores in one setup?
A: Yes. The system supports multi-bore and coaxial line boring, ensuring accurate alignment across multiple pin locations.
Q: What materials can be machined on excavators?
A: The system can machine cast ironl, cast steel, alloy steel, and carbon stee, which are commonly used in excavator structures.
Q: How long does a typical excavator line boring repair take?
A: Repair time varies by bore size and wear level, but on-site line boring is significantly faster than traditional workshop repair.
Q: Is in situ line boring a cost-effective solution for excavator maintenance?
A: Yes. For excavator owners and repair contractors, line boring provides a high return on investment by reducing downtime, outsourcing, and part replacement cost.
JDA Onsite Machining Tools provides you not only machines, but also technical solutions and guidance on your machining jobs or projects.
We are looking forward to cooperating with your company for win-win.
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