3 Ton Self-Aligning CNC Welding Positioner for Tank Pipe Automatic Circumferential Welding
Product Overview
This 3-ton self-aligning welding positioner features a professional CNC digital control system, serving as an intelligent automatic welding auxiliary machine for tanks, pipes, and cylindrical workpieces.
The CNC touch screen supports programmable speed, tilt angle, and multi-group welding programs, enabling stable constant-speed rotary welding and precise positioning. It can integrate with welding machines, welding manipulators, and robots to enhance circular welding efficiency and seam quality, making it ideal for boiler, pressure vessel, and pipeline manufacturing applications.
Key Features
- CNC Control Core System: 7-inch industrial touch CNC panel with anti-welding splash protection, program storage capability, digital RPM & angle real-time display, and USB offline programming.
- CNC Precision & Self-Align Function: Closed-loop servo CNC control with ±0.05° positioning accuracy. Automatically detects workpiece eccentricity and adjusts rotation balance with self-align rollers, eliminating manual centering.
- CNC Multi-Device Linkage & Safety: Supports linkage with MIG/SAW welders, welding manipulators, and robots via Modbus port. Features CNC interlock protection for overload, over-tilting, and emergency stop with digital alarm codes.
Technical Specifications
| Item |
Specification |
CNC Related Remark |
| Model |
ZHB-30 CNC |
Full digital CNC programmable version |
| Max Loading Capacity |
3000kg (3 Ton) |
CNC dynamic torque balance control |
| Workpiece Applicable Diameter |
Φ100mm - Φ1600mm |
CNC auto eccentricity correction |
| Turntable Diameter |
1400mm |
CNC digital angle positioning |
| Rotation Speed Range |
0.05~0.5rpm |
CNC stepless programmable speed |
| Rotation Control |
CNC closed-loop servo drive |
99 groups program storage |
| Tilting Angle |
0~120° hydraulic tilt |
CNC lock arbitrary angle memory |
| Repeat Positioning Accuracy |
±0.05° |
CNC high precision encoder feedback |
| Control System |
7" Industrial CNC Touch Screen |
USB program import, fault code display |
| Linkage Interface |
Welder signal port + Robot Modbus port |
CNC multi-device synchronous linkage |
| Motor Power |
Rotation 1.5kw / Tilt 2.2kw |
CNC energy-saving dynamic output |
| Standard Voltage |
380V 3P 50/60Hz |
110V/220V single phase CNC customized |
CNC Control System Details
Our self-developed dedicated CNC controller for welding positioners represents the core difference from ordinary analog control machines:
- Industrial anti-welding splash touch screen with IP54 dustproof and waterproof rating, suitable for harsh workshop environments
- Independent welding-specific CNC algorithm that automatically matches different wall thickness cutting and welding speeds
- All operation parameters stored in solid-state memory, ensuring data retention after power loss
- Reserved expansion interface for future upgrades including robot linkage and remote monitoring without replacing the entire control box
- Multi-language CNC system support: English, Spanish, Russian, and Arabic for global customer convenience
Application Scenarios
- Pressure vessel, chemical tank, and boiler cylinder CNC automatic girth welding
- Stainless steel pipe, flange, and elbow circular seam CNC precision welding
- New energy storage tank and wind power small cylinder robot CNC welding workstations
- Integration with welding manipulators and CNC cutting machines to form complete automatic production lines
- Hardware cylinder polishing and lining anti-corrosion CNC positioning rotary processing
Frequently Asked Questions
Q1: Does this 3 ton positioner come with CNC control system?
A1: Yes, CNC touch screen digital control is standard configuration for this self-align model, not an optional upgrade.
Q2: What's the advantage of CNC version over ordinary frequency control type?
A2: The CNC system can store 99 groups of welding programs, achieve ±0.05° precise positioning, and enable synchronous linkage with welding robots or welding manipulators - capabilities that ordinary rotary positioners cannot provide.
Q3: Can the CNC controller link with welding robot?
A3: Yes. It features a Modbus communication interface to enable synchronous linkage with mainstream welding robots.
Q4: Does the CNC system support offline programming?
A4: Yes. You can edit welding programs on a PC and import them to the CNC panel via USB flash drive.
Q5: Can the CNC system automatically adjust eccentric workpiece rotation?
A5: Yes. The system is equipped with CNC auto eccentricity correction function, working with self-align rollers to maintain stable rotation without requiring manual centering.
