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GM-76CNC-2A-1S
GMACC
8462219000
Product Description
This 3D tube bender is designed for manufacturers that require bends in multiple planes without manual re-fixturing. The Y, B, and C axes operate under industrial computer control, enabling fully automatic mandrel-on or mandrel-off bending cycles. The touch screen operating panel allows operators to input, store, and display bending programs and production orders. Key functions include bending springback compensation, error self-diagnosis with alarm, memory retention after power loss, automatic lubrication, and safety protection interlocks. With a maximum bending speed of 30°/sec and a rotation speed of 160°/sec on the Z axis, the machine maintains consistent cycle times across complex parts.
The three-axis servo system allows the tube to be rotated (Z axis), fed (X axis), and bent (C axis) in a single setup, producing 3D tubing geometries that would require multiple operations on conventional benders. This reduces handling time and cumulative positioning error for parts with bends in different planes.
Bending angle precision is ±0.10°, rotation angle precision (axis Z) is ±0.10°, and shifting precision (axis X) is ±0.10mm. These tolerances are maintained by a Mitsubishi servo system and a Nemicon angle controller, providing the repeatability required for batch production of interchangeable parts.
The 4,000mm through effective distance accommodates long tubular workpieces common in automotive exhaust and furniture frame manufacturing, reducing the need for secondary joining operations.
Name | Unit | Parameter |
|---|---|---|
Mild steel round tube | mm | ￠76×4 |
Stainless Steel | mm | ￠76×3 |
Light alloy annealed round tube | mm | ￠76×6 |
Mild steel square tube | mm | 60×60×3 |
Mild steel rectangular tube | mm | 65×55×3 |
Mild steel round solid bar | mm | ￠35 |
Mild steel square solid bar | mm | 30×30 |
Min. bending radius | mm | 30 |
Max. Bending radius(Standard) | mm | 350 |
Head overhang (on bending centre) | mm | 600 |
Head height (on bending centre) | mm | 580 |
Bending centre height (from floor) | mm | 1060 |
Max. bar passage inside the P.O.B. positionner | mm | 50 |
Clamping adjustable stroke | mm | 0-136 |
Shouldering adjustable stroke | mm | 300 |
Mandrel retraction adjustable stroke | mm | 0-136 |
Max. Bending Angle | ° | 190° |
Through Effective Distance | mm | 4000 |
Bending Speed(Max.) | °/sec | 30 |
Max. rotation speed (axis Z) | °/sec | 160 |
Max. feeding speed (axis X.) | mm/sec | 800 |
Bending angle Precision | ° | ±0.10 |
Rotation angle Precision - axis Z | ° | ±0.10 |
Shifting Precision - axis X | mm | ±0.10 |
Rotation Servo Motor Power | KW | 1.5 |
Feeding Servo Motor Power | KW | 1.5 |
System Motor Power | KW | 7.5 |
Hydraulic Pump Volume | L | 23 |
Max. Pressure | Mpa | 16 |
L×W×H (Packaging Dimension) | mm | 4800×1200×1350 |
Machine Weight | T | ABOUT 3.5 |
Name | Manufacturer |
|---|---|
Hydraulic Motor | Germany Siemens（Beide）or Runmali |
Hydraulic Pump | Wuxi Tuoli |
Hydraulic Valve | Japan Yuken（Imported） |
Oil way Board | Taiwan Shanghong （Imported） |
Cylinder | Shanghai Qifan |
Touch screen | Taiwan Weinview（Imported) |
PLC | Japan Mitsubishi（Imported） |
Servo Motor | Japan Mitsubishi（Imported） |
Angle controller | Japan Nemicon（Imported） |
Contactor | German SCHNEIDER |
Transformer | Wuxi Xinyu |
This machine serves commercial users in automotive exhaust system manufacturing, furniture and leisure equipment frame production, and tubular component fabrication for agricultural machinery. Its ability to produce multi-plane bends in a single setup makes it suitable for parts where bend planes vary along the tube length, such as exhaust headers, handlebars, seat frames, and roll cage components. The mandrel-on mode supports thin-wall stainless steel tubing where ovality control is critical, while mandrel-off mode handles heavier-wall mild steel at higher throughput.
Each unit is assembled in an ISO 9001-certified facility and ships with CE and UL certification. The machine carries a 2-year warranty covering manufacturing defects. Core components are sourced from established brands including Mitsubishi, Yuken, Weinview, Schneider, and Nemicon, as listed in the configuration table above. Packaging uses an iron frame or wooden case suitable for sea freight, with shipment from Shanghai Port. Payment terms include L/C and T/T. Enterprise customers may request factory acceptance testing before shipment.
The GM-76CNC-2A-1S bends mild steel round tube up to Ø76×4mm, stainless steel up to Ø76×3mm, and light alloy annealed round tube up to Ø76×6mm. It also handles square tube up to 60×60×3mm and rectangular tube up to 65×55×3mm.
Yes. The three-axis servo system (feed X, rotation Z, and bend C) allows multi-plane 3D bending in a single setup, which reduces handling time and cumulative positioning error for complex tubing assemblies.
Bending angle precision is ±0.10°, rotation angle precision on the Z axis is ±0.10°, and feed precision on the X axis is ±0.10mm. These tolerances are maintained by the Mitsubishi servo system and Nemicon angle controller.
Yes, the machine supports both mandrel-on and mandrel-off modes. The mandrel retraction adjustable stroke is 0-136mm, allowing setup for various tube diameters and bend radii.
The through effective distance is 4,000mm, which accommodates long tubular workpieces common in automotive exhaust and furniture frame production.
