### Product Overview

The Wuji Electronics Cold Shrink Support Tube Welding Machine is a specialized piece of industrial equipment designed for manufacturing the spiral-welded plastic support tubes used in cold shrink cable accessories. This precision machine utilizes advanced hot gas welding technology to produce high-strength, uniform welds that are critical for reliable cold shrink product performance.

Our support tube welding machine integrates PLC-based temperature control, servo-driven feeding systems, and precision welding heads to deliver consistent, repeatable results. Whether you're producing support tubes for 10kV cable terminals or 35kV joints, this machine provides the accuracy and reliability needed for professional manufacturing.

### Core Features & Advantages

#### 1. Advanced Hot Gas Welding Technology

- **Precision Temperature Control**: PLC-controlled heating system maintains ±1°C accuracy

- **Adjustable Range**: 180°C–280°C working temperature for different materials

- **Uniform Heat Distribution**: Hollow welding head design ensures consistent melt depth

- **Rapid Heat-Up**: Reaches operating temperature in under 10 minutes

#### 2. Servo-Driven Feeding System

- **Precision Winding**: Servo motor-driven shafts ensure uniform spiral winding

- **Variable Speed Control**: 5-50 RPM adjustable for different tube diameters

- **Tension Regulation**: Automatic tension control prevents warping and distortion

- **Compatibility**: Works with PVC, HDPE, polypropylene, and other thermoplastics

#### 3. High-Strength Weld Quality

- **Void-Free Welds**: Eliminates porosity and weak points in the weld seam

- **Consistent Strength**: Weld strength equals or exceeds base material strength

- **Pressure Cooling**: Integrated air cooling system for rapid, uniform cooling

- **Quality Assurance**: Built-in weld monitoring and quality verification

#### 4. Flexible Production Capability

- **Tube Diameter Range**: 20mm–200mm adjustable

- **Length Customization**: 300mm–2000mm production length

- **Wall Thickness**: 1.5mm–5mm material compatibility

- **Quick Changeover**: Tooling changes in under 30 minutes

### Technical Specifications

| Parameter | Value |

|-----------|-------|

| Welding Method | Hot Gas (Hot Air) |

| Temperature Range | 180°C–280°C |

| Control Accuracy | ±1°C |

| Feeding Speed | 0.5–5 m/min |

| Tube Diameter | 20mm–200mm |

| Compatible Materials | PVC, HDPE, PP, ABS |

| Power Requirements | 380V, 3-phase, 15kW |

| Dimensions (L×W×H) | 2200×1200×1600mm |

| Weight | 1200kg |

### Application Fields

- **Cold Shrink Cable Accessories**: Support tubes for 10kV-35kV cable terminals and joints

- **Plastic Tube Manufacturing**: Spiral-welded tubes for industrial applications

- **Custom Extrusion**: Specialized profiles and irregular shapes

- **R&D and prototyping**: New product development and testing

### Machine Configuration

- **Standard**: PLC controller, touchscreen HMI, servo drives, temperature modules

- **Optional**: Automatic material feeder, quality inspection system, data logging

- **Customization**: Specialized tooling for unique applications