
GTW4-12J CNC Fully Automatic Stirrup Bender
Automatic stirrup bender(GTW4-12J) adopts Italian technology, through the company's technical department for many years of research and development, painstaking design, has reached the most advanced level in China.
Since 1996
Manufacturer in Changge City
20,000 m²
Factory, 150+ employees
ISO9001
SGS / TUV inspected, CE certified
24h online
Pre-sale and after-sale support
GTW4-12J CNC Fully Automatic Stirrup Bender Description
GTW4-12J CNC Fully Automatic Stirrup Bender
Automatic stirrup bender(GTW4-12J) adopts Italian technology, though the company's technical department for many years of research and development, painstaking design, has reached the most advanced level in China. This machine greatly improves the working efficiency. It has been exported to Israel, Russia, Romania, India, etc, more than 20 countries, since it was put on the market, has received high praise from customers.
Machine main features:
1. High efficiency, a small error, 240x240 reinforcement, 1500pcs/hour, nearly 7 tons per shift, machining accuracy 1mm, bending accuracy 1°.
2. Servo motor control, single thread processing 12mm thread, double thread processing 10 thread.
3. Intelligent multiple protection functions, remote operation, and positioning.
4. Pay attention to details and choose electrical components (Schneider) of well-known brands at home and abroad.
5. It allows pre-entry of 500 processing profiles and enables on-demand machining. With a high level of automation, graphics can be edited according to customer requirements.
6. All main components are made of high-quality steel, with long service life and low wear rate, ensuring that 1500 tons do not need to be replaced
7. Have independent intellectual property rights and 12 national patents.
8. The whole machine is driven by a servo motor, which overcomes the shortcomings of traditional products such as low efficiency and large errors, and is not affected by the weather.
9. Integrated high precision welding wire structure with automatic feeding.
10. CNC control system, high precision, and small error.
11 The belt conveying mode has a low failure rate and low maintenance cost.
12. With a two-way bending function, various special-shaped parts can be processed.
13 Double-roller synchronous wire feeding device, wire feeding is simple and easy to operate, and easy to learn.
14. Engineering bevel design, do not straighten wires randomly, high efficiency.
GTW4-12 Series Fully Automatic Stirrup Bender Parameters

| Parameter | GTW4-12M | GTW4-12J | GTW4-12A |
| Single Wire Diameter | 6-10 mm | 6-12 mm | 4-12 mm |
| Double Wire Diameter | 6-8 mm | 6-10 mm | 4-10 mm |
| Max. Bending Speed | 1200°/s | 1200°/s | 1200°/s |
| Max. Bending Angle | 180° | 180° | 180° |
| Bending Direction | Bidirectional | Bidirectional | Bidirectional |
| Capacity / Speed | 600-1300 pcs/h | 750-1450 pcs/h | 1840 pcs/h |
| Pulling Speed | 60 m/min | 70 m/min | 110 m/min |
| Length Tolerance | ±1 mm | ±1 mm | ±1 mm |
| Angle Tolerance | ±1° | ±1° | ±1° |
| Motor Power | 11 kW + 3 kW + 3 kW + 3 kW | 15 kW + 4.4 kW + 4 kW + 3 kW | 18 kW + 7.5 kW + 4 kW + 4 kW |
| Voltage | 380V/415V | 380V/415V | 380V/415V |
| Control System | Touch screen + PLC + driver + servo motor | Touch screen + PLC + driver + servo motor | Touch screen + PLC + driver + servo motor |
| Servo Motor | Three-phase synchronous servo motor | Three-phase synchronous servo motor | Three-phase synchronous servo motor |
| Avg. Power Consumption | 4 kW/h | 4 kW/h | 5 kW/h |
| Overall Dimensions | 3700×1100×1900 mm | 4200×1200×2100 mm | 3500×1120×2150 mm |
| Weight | 1.7 t | 1.75 t | 2.55 t |

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