Product Description
Our on site line boring kit is designed with portability in mind, this boring kit is perfect for repair on site. It also offers an affordable price point, so it is accessible for small workshops and new companies which do not have large capital investment.
The design allows easy transportation to job sites, workshops, or customer locations, it is ideal for mobile repair teams. All modularized components can be easily kept separately and brought to on site. It can help reduce maintenance complexity and minimizing operational downtime.
The simple mechanical structure and intuitive operation reduce the learning curve. Most users can perform basic line boring operations after a short period of practice on their own.
All users can often recover the equipment cost after a few on-site repair jobs, it is a practical investment for small repair companies. If you are a beginner,you can start with essential components and gradually upgrade accessories, boring bars, or welding units as business grows.
Product Specification
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MB55300 |
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On Site Line Boring |
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Standard Line Boring Ability |
Optional Extended Auto Bore Welding Ability |
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Boring Bar Length |
1600mm, 750mm |
Welding Rod Dia. |
40mm |
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Bore Dia. |
55-300mm |
Welding Dia. |
40-300mm |
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Boring Bar Dia. |
50mm |
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
- Eliminates equipment disassembly
- Significantly reduces downtime
- lower total repair cost
- Ideal for remote and harsh environments
- High precision in field conditions
- Flexible setup for complex structures
Multi-Application Machining Capabilities
- Precision line boring
- Multi-bore coaxial machining
- Bore size restoration
- On-site bore welding and boring
- Machining on large and fixed components
- Works on various materials
- Suitable for different bore sizes
Which Are your customers group for in situ line boring tools?
Actually our machine tools are suitable for many industries, field service companies, mine maintenance teams and mining contractors prefer to use portable machining equipment for making on site work easier, equipment owners can repair their own equipment quickly, workshops can enhance theirs fabrication abilities.
Real On Site Applications

Some of Our Clients

What is the cost of your on site line boring machine?
The price range is about from USD2,620 to USD 3,020. The fixed price of machine is subjected to exact model and configuration you decide lastly. Contact our specialists for more details.
FAQ
Q: Can line boring restore the original accuracy of excavator bores?
A: Yes. Line boring accurately restores diameter, roundness, and coaxial alignment of bore, ensuring proper fit of pins and bushings.
Q: What are the main advantages repaired by mobile line boring for excavator owners?
A: Faster return to service
Extended service life of components
Reduce maintenance and replacement cost
Improve stability and performance of equipment
Q: Is the machine suitable for different excavator sizes?
A: Yes. The system can be suitable for mini, medium, and large excavators by selecting appropriate boring bars and accessories.
Q: Does line boring require removing pins and bushings firstly?
A: Yes. The worn pins and bushings are removed before machining, but the main structure of the equipment remains in place, avoiding major disassembly.
We are here to help you on your projects anytime, anywhere.
Please send us an enquiry directly if you have any doubts about on site line boring tools.
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