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SP50 Portable Electric Line Boring & Welding Machine For Construction 2 In 1 Automatic Portable Line Boring Machine 40-300mm

Product Description

SP50 Portable Line Boring and Welding Machine

The SP50 40-300mm Automatic 2 in 1 Portable Line Boring and Welding Machine is highly convenient and specially designed for on-site machining. It features a compact volume, lightweight design, ease of transport, and high-quality welding. This equipment is widely used for welding and repairing holes in large-sized machinery, pivot pin holes on earth-moving equipment, and bearing holes. It is essential and ideal equipment for industrial, mining enterprises, and on-site engineering repairs.

Customization Available: Boring hole dimensions can be customized (e.g., 40-160mm, 40-300mm, 40-400mm, 50-160mm, 60-400mm, 55-300mm).

SP50 Portable Line Boring and Welding Machine

Five Primary Functions

  • 1. Line Boring: Supports both automatic and manual operations; boring hole diameters can be customized.
  • 2. Automatic Welding: Simple operation; input the hole diameter and initiate welding.
  • 3. Sector Welding: Configurable sector settings to allow for elliptical hole repairs.
  • 4. Jump Welding: Capable of skipping grease holes, maintaining a clean 15mm clearance.
  • 5. Flange Facing: Performs rough machining on excavator surfaces.
Line Boring Application

Applications

Application Details

Package

Packaging Box
Internal Package Arrangement

Packing List

Main Engine

Main Engine

Control Box

Control Box

Axial Feeding Unit

Axial Feeding Unit

Welding Bar

Welding Bar

Long Reducing Sleeve

Long Reducing Sleeve

Boring Bar

Boring Bar

Welding Wire

Welding Wire

Bearing Bracket

Bearing Bracket

Anti-Vibration Bracket

Anti-Vibration Bracket

Centering Tool

Centering Tool

Calipers

Calipers

Welding Convert Plug

Welding Convert Plug

Specifications

Parameter Value / Details
Model SP50
Main motor rated output power 3.1kw
Voltage 220v/380v
Feed motor rated output power 0.4kw
Rotation speed 50-255rpm
Speed mode Stepless speed
Axial feeding mode Auto/Manual
Axial feed speed 0.01-0.5
Axial feed single stroke 280mm
Boring bar diameter 50mm
Boring bar length 1600mm
Cutting thickness 0.02-8mm
Ovality tolerance ±0.02mm
Taper tolerance ±0.01mm
Ra 3.2
Welding bar diameter 40mm
Welding thickness 3-4mm
Welding wire length 4540mm
Welding bar length 200mm/240mm/350mm/800mm
Welding bar assembly total length 1400mm
Applicable MIG welding machine 200-500 type
Applicable welding wire diameter 0.8mm/1.0mm/1.2mm
Welding function Spiral Welding, Sector Welding, Jump Welding

Product Pictures

Product view 1
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Product view 3
Product view 4
Product view 5
Product view 6
Product detailed view

Packing & Delivery

Packing and Delivery Showcase

Profile

Established in 2001, our manufacturing focus centers on the research, development, production, and sales of power tools, woodworking equipment, metal-processing machinery, and related accessories. With over 20 years of expertise in producing lathes, milling machines, drills, CNC, and other tools, we maintain dedicated production lines to deliver highly reliable equipment.

Manufacturing Workshop

Exhibitions

Since inception, our products have been featured at major domestic and international exhibitions including the Spring and Autumn Canton Fair, Beijing Exhibition, and events in the United States, Moscow, Germany, Indonesia, Malaysia, Thailand, and Russia, building strong relationships with worldwide clients.

International Exhibition

Certifications & Partnerships

Our equipment holds multiple international certifications including CE, GS, RoHS, CSA, and UL. We cooperate with globally recognized control system providers and component manufacturers to ensure stability, shipping to over 50 countries worldwide.

Product Certifications

Product Categories

Machinery Categories

Frequently Asked Questions

What are the primary applications of this portable line boring and welding machine?

It is specifically designed for on-site machining and repairs. It is widely used to weld and repair holes of large-sized machinery, pivot pin holes of earth-moving equipment, and bearing holes.

Can the boring and welding range be customized?

Yes, boring hole ranges can be customized according to your specifications. Standard options include 40-160mm, 40-300mm, 40-400mm, 50-160mm, 60-400mm, and 55-300mm.

How is product quality guaranteed?

Quality is maintained through a rigorous control process. We always conduct pre-production sample evaluations before mass production, followed by a comprehensive final inspection prior to shipment.

What other machinery equipment options are available?

We specialize in a wide range of industrial equipment including Manual Lathes, CNC Lathes, Manual and CNC Milling Machines, Drill Presses, Machining Centers, and related accessories.

What delivery terms and payment currencies are supported?

We accept delivery terms including FOB, CFR, CIF, EXW, FAS, and FCA. The accepted payment currencies are USD and CNY.

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