Portable line boring welder for on-site machining
2-in-1 Integrated Machine: Combines boring and welding in one unit, one-time clamping completes dual processes.
High Precision Machining: Boring accuracy up to ±0.02mm, ensures coaxiality and roundness for heavy equipment.
Cost & Time Saving: Cuts 50% working hours vs traditional separate machines, reduces labor & equipment cost.
Portable On-site Repair: Compact & movable design, no need to disassemble large workpieces for field maintenance.
Product Introduction
Portable line boring welder for on-site machining is a multifunctional 2-in-1 industrial machine that integrates precision line boring and automatic bore welding functions in one compact unit. Designed specifically for field on-site repair and machining, this portable boring welding machine eliminates the need to disassemble and transport large heavy-duty equipment to offline workshops, greatly saving construction time and operating costs for industrial maintenance teams.
Different from traditional fixed boring and welding equipment, our on-site line boring welder features lightweight body, flexible assembly and high machining accuracy. It supports one-stop processing including hole repairing, inner wall overlay welding, precision boring, bushing installation and hole correction for concentric holes and porous structures. Widely applicable to engineering machinery, mining equipment, ship components, steel structures and hydraulic equipment maintenance, this all-in-one boring welding machine has become the core equipment for on-site mechanical repair industries worldwide.
Product Parameters
Main motor | 3.1kW, real power, not peak |
Feed motor | 0.4kW |
Power | 220V single phase OR 380V three phase, 50/60Hz |
Speed | 50-255 RPM, turn the knob and it changes |
Feed | 0.01-0.5mm per rev |
Standard stroke | 280mm |
Longest you can go | 1600mm with our extension bars |
Finish | Ra 1.6μm, same as factory |
Roundness | Within 0.01mm |
Cylindricity | Within 0.02mm |
Weight | 148kg. |
Shipping size | 120×80×50cm main crate |
Our Factory
We're not a trading company. We're a factory in Shandong Jining.that's been making nothing but portable line borers for 10 years.Every machine runs for 8 full hours before it leaves the factory. We bore test holes, check all the specs, weld test pieces, and make sure everything works. You're welcome to come visit. Fly into Jining, we'll pick you up. Show you the whole shop. Let you run the machine yourself on our test pieces. No sales pitch. Just show you what we do.
Customer Feedback
These are verbatim from emails and WhatsApp messages. I didn't change a word.
"Bought this integrated boring and welding machine 2 years ago. Did 127 jobs last year. Made $187,000 with it. Bought a second one last month. My only regret is not buying it sooner."
— Mike, Texas, USA
"I was going to buy a Climax for $28,000. Bought yours for $7,500. It does the exact same job. The accuracy is identical. I've had zero problems. You guys are killing it."
— Dave, Perth, Australia
"The manual is shit. But when I called you at 2am my time, someone answered and walked me through it. That's worth more than any fancy manual."
— Tom, Alberta, Canada
"Used it last week on a Cat 390 boom. Customer was going to replace the whole boom for $22,000. I charged him $6,500 and was done in 6 hours. He couldn't believe it."
— Juan, Spain
Product Usage Scenarios
The multi functional boring and welding machine is widely used in on-site repair and precision machining of various heavy-duty equipment, covering multiple industrial fields. It is the preferred equipment for field maintenance without disassembly:
- Engineering Machinery Maintenance: On-site repair of excavators, loaders, bulldozers, cranes and other construction machinery pin holes, arm holes, bearing holes and hinge holes, solving hole wear and eccentricity problems.
- Mining & Metallurgical Equipment: Boring and welding repair of mining machinery, crusher parts, metallurgical equipment shaft holes and porous structural parts, adapting to high-strength industrial working conditions.
- Ship & Marine Engineering: On-site machining of ship hull structural holes, rudder shaft holes, crane base holes and marine equipment accessories, suitable for narrow cabin working space.
FAQ
Q: Do I need to be a machinist to use this?
A: No. 90% of our customers are heavy equipment mechanics. Most had never touched a machine tool before they bought this. The videos show you everything. And we'll walk you through your first job if you need help.
Q: Will it bore cast iron?
A: Yes. That's what it's made for. Most pin bores are cast iron.
Q: How long does setup really take?
A: 15-20 minutes if you know what you're doing. 30 minutes the first time.
Q: Can it bore multiple holes in a line?
A: Yes. That's what line boring is. With extensions, you can go 1600mm.
Q: How much maintenance does automatic hole boring welding machine need?
A: Change the oil every 50 hours. That's it.
Q: Can you make custom stuff?
A: Yes. Custom bar lengths, special diameters, different voltages. Just tell us what you need.
Q: What if it breaks after the warranty?
A: We still sell you parts at cost. And we still help you fix it. We have customers with 10 year old machines that we still support.
