CNC Rebar Cage Welding Machine

High-Efficiency Automated Cage Production: Fully automatic CNC control enables fast, continuous welding with 3–4× manual productivity while reducing labor and material consumption.

Stable Resistance Welding Quality: DC resistance welding delivers uniform, high-strength joints with ≤5% strength loss, ensuring reliable cage performance and minimal spatter.

Flexible Multi-Specification Capability: Compatible with square and round pipe piles and multiple bar sizes, supporting precise preset pitch and length for diverse production needs.


Product Details

Machine Overview

The Pipe Pile Rebar Cage Welding Machine is a fully automated industrial solution designed for manufacturing high-strength concrete pipe pile reinforcement cages. The system offers fast forming efficiency with minimal welding strength reduction, a structurally optimized mechanical design, and user-friendly maintenance.

Equipped with variable-frequency drive technology and an advanced human-machine interface (HMI), the machine ensures stable, continuous high-speed operation while consistently delivering superior-quality rebar cages.

Power System Options

Medium-Frequency Version:
Adopts advanced medium-frequency inverter technology to reduce overall energy consumption by over 30%. It provides stable welding current output and uniform weld consistency, making it especially suitable for precision-driven, high-volume pipe pile production.


CNC Rebar Cage Welding Machine


Key Advantages

Versatile Cage Production
The system is capable of manufacturing both square and circular pipe pile reinforcement cages, eliminating the need for additional equipment investment and increasing production flexibility.

High-Quality Resistance Welding
Utilizing advanced DC resistance welding technology, the machine delivers rapid heat response, clean and solid weld joints without spatter, and welding strength loss controlled within 5%. The welding performance significantly surpasses conventional welding methods.

Precision CNC Automation
Integrated PLC control and variable-frequency speed regulation ensure precise presetting of spiral pitch and cage length, maintaining minimal dimensional deviation and high production accuracy.

Improved Efficiency & Material Savings
The machine achieves welding speeds of up to 3000 mm/min — approximately three to four times faster than manual operation. Spiral reinforcement does not require overlapping, reducing material consumption by about 1.5%. The system can be efficiently operated by a small workforce, lowering overall labor costs.

Durable, Intelligent Design
Built for long-term industrial use, the equipment features intelligent fault detection, intuitive touchscreen operation, quick operator training, and dependable 24-hour continuous production capability.

Wide Rebar Compatibility
The system supports multiple rebar specifications, allowing processing of various longitudinal and ring bar diameters to meet diverse pipe pile reinforcement manufacturing requirements.



CNC Rebar Cage Welding Machine


Typical Applications

This machine is designed for pipe pile manufacturers seeking standardized and efficient reinforcement cage fabrication for precast square and circular piles.

It is widely used in infrastructure precast plants producing rebar cages for bridges, railways, highways, ports, and marine foundation projects.

The system is also applicable to residential, commercial, and industrial building construction requiring reliable foundation pile reinforcement.

In municipal engineering, it supports projects such as road construction, underground utility networks, and wastewater treatment systems.

The equipment is particularly suitable for professional piling contractors who require on-site or near-site cage prefabrication.

Additionally, it serves hydraulic engineering applications, including reservoirs, embankments, river regulation works, and other water conservancy structures.

Overall, the machine provides an efficient, standardized, and high-quality solution for pipe pile reinforcement cage production in modern infrastructure prefabrication projects.

Machine Structure

The Pipe Pile Rebar Cage Welding Machine consists of a head assembly, tail frame, traveling carriage system, rebar support platform, and electrical control cabinet.

These core components operate in coordination to ensure precise alignment, stable welding performance, and fully automated, high-accuracy cage production.


Component

Description

Notes

Steel bar support table

Holds steel bars

Fabricated locally

Welding drum

Mounts copper rings of equal diameter

Must be insulated from frame

Welding mechanism

Press-welds spiral bars onto main bars

Wire feeder

Feeds spiral reinforcement

Avoid overloading feeder reel

Machine base

Structural mounting frame

Must remain insulated from tail frame

Carriage

Pulls and advances main bars

Tail frame

Guide rail support for carriage


Technical Parameters


Item

Specification

Cage diameter

Ø300 / Ø400 / Ø500 / Ø600 mm

Cage length

7–15 m (extendable to 45 m)

Number of longitudinal bars

6, 7, 10, or customized

Longitudinal bar diameter

Ø7.1 / Ø9.0 / Ø10.7 mm

Spiral bar diameter

Ø4–Ø6 mm

Spiral pitch

0–100 mm

Traction speed

Max 7500 mm/min

Drive power

8.4 kW

Welding power

300 kVA

Main rotation speed

0–80 rpm

Welding method

Resistance welding

Control mode

Automatic

Welding material

Steel with carbon content <0.20%

Strength loss at weld

≤5%

Weld tensile/shear strength

≥200 kg

Transformer cooling

Air/self cooling

Power supply

380V ±5%, 50 Hz

Ambient temperature

−5°C to +35°C

Relative humidity

<85%

Machine weight

≈5 tons


Leave your messages

Related Products

x

Popular products

x
x