Portable line boring welder
Integrated Repair Equipment: The Portable line boring welder realizes efficient Field boring restoration, combining boring and welding functions for worn hole renovation.
Mobile On-Site Solution: For reliable Mobile shaft repair, the Portable line boring welder avoids equipment disassembly and workshop transportation.
Precise Field Machining: This unit delivers stable Onsite bore machining, greatly shortening equipment maintenance downtime.
Lightweight Portable Design: Compact structure allows easy transport to construction sites, suitable for outdoor mechanical overhaul work.
Product Introduction
Portable line boring welder combines overlay welding and precision line boring into one compact unit. Instead of hauling large machinery back to workshops, repair crews conduct complete Field boring restoration right on location. Built for flexible Mobile shaft repair, this unit delivers steady accuracy for all kinds of Onsite bore machining tasks. Only one clamping position is needed to finish the whole repair process, saving plenty of working hours and lowering overall operating costs.
Product Parameters
| Boring diameter range | 45mm - 600mm | Don’t trust those who say 700mm – they lie. Ours does 600mm comfortably. |
Max boring length | 2000mm | 3000mm bar available as extra. No flex, no wobble. |
Spindle speed | 0-150 RPM | Fully stepless. No preset speeds that never work right. |
Feed rate | 0.1-1.0 mm/rev | Adjust on the fly. Perfect for rough cuts and finish passes. |
Welding current | 50-350A | Real 350A, not peak current. Welds 20mm thick steel no problem. |
Welding voltage | 18-36V | Auto-adjusts with current. No more guessing. |
Welding wire size | 0.8mm, 1.0mm, 1.2mm | Works with all standard MIG wire. |
Hydraulic system pressure | 16MPa | Constant pressure, no drop under load. |
Motor power | 7.5kW electric | 10HP diesel option for sites without power. No downgraded motors here. |
Power supply | 380V/50Hz 3-phase | Can make 220V, 440V, 60Hz – just tell us what you need. |
Main unit size | 850×600×450mm | Fits in the back of any pickup truck. |
Main unit weight | 185kg | Two strong guys can lift it. One guy? Forget it. |
Product Details
1. Hydraulic System That Doesn’t Leak
Let’s be honest – the #1 problem with cheap portable borers is the hydraulic system. They use cheap Chinese pumps and valves that start leaking after 3 months. Not ours.We’ve had customers run these machines 8 hours a day, 5 days a week for 8 years, and the hydraulic system is still tight. The only maintenance you need is changing the oil every 500 hours. That’s it.
2. Boring Bars That Don’t Flex
Cheap bore cladding and line boring machine bars are made from mild steel. They flex under load, so your bore comes out tapered or banana-shaped. Ours are alloy steel, That’s more than accurate enough for any heavy equipment repair. We’ve had customers bore 2000mm long holes with these bars, and they come out perfectly straight.
3. Portable Enough To Go Anywhere
185kg sounds heavy, but for what this machine does, it’s a miracle. Two guys can lift the main unit into the back of a pickup truck. No crane needed, no forklift needed.
Product Usage Scenarios
Construction Equipment Repair (90% Of Our Customers)
This is what this line boring and welding machine was built for. Excavator booms, arms, buckets, loader arms, bulldozer blades, backhoe linkages – every pivot point wears out eventually. When it does, you get play, which wears out pins and bushings 10x faster.
With our machine, you don’t have to remove the boom. Just mount the bar across the worn hole, weld it up to build the material back, then bore it to factory specs. A job that would take 3-5 days in a workshop takes 3-5 hours on-site.
Agricultural Machinery Repair
Farmers don’t have time for downtime. If their combine breaks down during harvest, a single day can cost them their entire crop.
Our portable line borer lets you go to the farm and fix it right there in the field. Tractor loaders, backhoe arms, implement hitches, balers – all those pivot points wear out, and our machine fixes them fast.
A customer in Brazil has a fleet of 5 of these machines, and he drives around the countryside fixing farm equipment. He’s booked solid 6 months in advance.
Marine And Shipyard Work
Ships can’t come to the workshop. You have to go to the ship.
Our compact machine fits in tight engine rooms and cargo holds that larger stationary machines could never reach. It works in any orientation – horizontal, vertical, even overhead. We’ve had customers repair stern tubes, rudder bearings, and propeller shafts on ships up to 500 feet long.
General Industrial Repair
It’s not just heavy equipment. We have customers using these machines to repair presses, conveyors, cranes, gearboxes, and even wind turbines.
Packaging And Delivery
Packaging That Actually Protects The Machine
I’ve seen too many boring and welding machines arrive damaged because the manufacturer used a cheap plywood crate. We don’t do that.
First, we wrap the entire machine in 2 layers of thick plastic sheeting to keep out dust and moisture. Then we put it in a 18mm thick plywood crate reinforced with steel bands. All small parts go in labeled metal boxes that are bolted to the inside of the crate. No loose parts bouncing around.
Express: 3-7 days for spare parts and small orders.
As soon as your order ships, we’ll send you the tracking number and all the customs documents. We also offer door-to-door delivery if you don’t want to deal with the port.
Standard production time is 7-10 working days. If you need it faster, just let us know. We can usually rush orders for a small extra fee.
FAQ
Q: How long does setup really take?
A: If you’ve done it before, 20 minutes. The first time, it might take an hour. No special tools required – just a wrench and a screwdriver.
Q: Can it bore vertical holes?
A: Yes. It works in any orientation – horizontal, vertical, overhead. The hydraulic system doesn’t care which way it’s pointing.
Q: What kind of welding wire does it use?
A: Standard solid MIG wire. 0.8mm, 1.0mm, or 1.2mm. You can buy it at any welding supply store.
Q: Do I need to be a professional machinist to operate this?
A: No. If you know how to weld and use basic tools, you can learn to operate this machine in 2-3 days. We’ll train you, and we’re always here to help if you have questions.
Q: How often does it need maintenance?
A: Very little. Change the hydraulic oil and filters every 500 hours. Grease the fittings every 50 hours. Check the cutting tools before each use. That’s it.
Q: Can you make custom machines?
A: Yes. If you need a larger boring diameter, longer boring length, or special features, just let us know. We can build a machine to your exact specs.
Q: What payment methods do you accept?
A: T/T, L/C, Western Union, PayPal. We also offer flexible payment plans for qualified customers.
