Product Description
Our line bore kit is specifically designed and manufactured for special use. It is a special-purpose tool for field machining which is used to restore or fine boring holes in industrial structures or equipment.
The bore kit is driven by electric power. The power problem is easy to be solved as this is the common source by power generators or facilities. It provide the possibility of working on-site.
With portable and modular design of the boring kit, each component of the boring kit is lightweight, they are easy to be taken to the job site. The operators are able to assemble all components together on site.
Product Specification
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MB40160 |
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Line Bore Kit |
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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. |
40-160mm |
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
- Simple mechanical structure
- Easy setup and alignment
- Affordable entry-level investment
- Low upfront cost
- Fast learning curve
- Quick return on investment
- Reduced reliance on outsourcing
Multi-Application Machining Capabilities
- Excavator boom, stick, and bucket bores
- Loader and articulated equipment joints
- Industrial equipment pivot points
- Shovel and dragline pivot points
- Crusher frames and heavy structural joints
- Corrects misalignment between multiple bores
- Returns bores to original or specified dimensions
- Ready for bushing and pin replacement
Which people do prefer to use mobile machining equipment?
- On-site machining service companies
- Construction equipment owners
- Mining maintenance companies
- Equipment rental companies
- Industrial maintenance companies
- Small and medium repair workshops
- Construction equipment service companies
- Equipment rental maintenance companies
- Mining maintenance companies
- Heavy equipment repair companies
- Steel plants and heavy industrial facilities
The price range of line bore kit is from $2,627 to $3,027 based on different models.

JDA Machine Tools is focused on designing and manufacturing portable machining equipment with 15 years experience in this industry. We are able to custom machines based on customers' specific projects.
Line Boring Machine Applications

FAQ
Q: Is in situ boring suitable for emergency repairs?
A: Yes. It is ideal for urgent breakdowns where fast restoration is required to resume operation.
Q: Can this machine be easily transported between different construction sites?
A: Yes. Portable and modular design allows to easily transport and quickly setup.
Q: What accessories are available for in situ boring machines?
A: Optional accessories include extended boring bars, welding units, facing attachments, and alignment tools.
Q: What is a line boring kit?
A: The line boring kit is a portable machining system for repairing misaligned, worn, or damaged holes directly on-site. It allows accurate boring without removing large components or transporting them to a workshop.
Welcome to tell us the bore diameter, worn equipment type, and repair condition, our engineers will recommend the right portable line boring solution for your application.
Whether you are repairing worn pin bores on excavators, loaders, or heavy mining equipment, the information of accurate bore size helps us confirm the most suitable line bore kit, boring bar diameter, and tooling configuration.
By sharing bore diameter, we will provide you technical guidance for on-site boring, and a cost-effective repair plan that reduces downtime and avoids unnecessary disassembly. Our portable line boring machines are designed for in situ repair across construction, mining, and industrial applications.
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