QSM Stirrup (Ring) Machine (Angle feed Automatic) — GF20DS
This automatic stirrup machine bends reinforcement bars into precise shapes for structural concrete work. Optimized for standard 220V sites, it processes 4-20mm plain carbon steel and 4-16mm TMT bars. • 2.2kw motor ensures reliable operation on single-phase power • Mechanical drive maintains steady 22-24 RPM output • 102kg weight provides stable handling during bending • Configures 90 and 135 degree angles up to 180 degree maximum
Specifications
For: GF20DS- Drive
- Mechanical
- Angle Feed
- Auto
- Voltage
- 220V
- Present angles
- 90 / 135 degree
- Max Bending Angle
- 180 degree
- Working Speed
- 22-24 RPM
- Bending Capacity
- 4-20mm (Plain Carbon Steel) 4-16mm (TMT Bar)
- Motor Power
- 2.2kw / 3hp / 1440RPM / 50Hz
- Weight
- 102kg
Configurations
Click a row to switch| Variant | Bending Capacity | Motor Power | Voltage | Weight | Price |
|---|---|---|---|---|---|
| GF20DS | 4-20mm (Plain Carbon Steel) 4-16mm (TMT Bar) | 2.2kw / 3hp / 1440RPM / 50Hz | 220V | 102kg | ₹47,500 |
| GF20D | 4-20mm (Plain Carbon Steel) 4-16mm (TMT Bar) | 2.2kw / 3hp / 1440RPM / 50Hz | 415V | 102kg | ₹46,250 |
| GF25D | 4-25mm (Plain Carbon Steel) 4-20mm (TMT bar) | 3kw / 4hp / 1440RPM / 50Hz | 415V | 135kg | ₹58,748 |
Maintenance & Operational Best Practices
- Lubricate gear joints and pivot points weekly to prevent friction-induced wear
- Inspect bending pins and mandrels regularly for deformation or cracking under load
- Keep the feed track clear of debris to maintain smooth bar advancement and alignment
- Verify electrical grounding and voltage stability before daily startup procedures
- Store spare bending tools in a dry environment to prevent rust and dimensional drift
Mechanical Drive & Angle Feed System
- Robust mechanical drive delivers consistent bending force without hydraulic complexity
- Automated angle feed synchronizes bar positioning with the bending cycle for precision
- Heavy-duty gear train minimizes wear and extends service life under continuous load
- Simple control layout reduces operator training time and prevents programming errors
- Direct mechanical coupling ensures immediate response to feed commands and stop signals
Industry Applications & Use Cases
- Ideal for RCC construction projects requiring precise beam and column reinforcement
- Widely deployed in bridge building, highway infrastructure, and commercial structures
- Supports high-volume ring production for residential buildings and industrial facilities
- Meets strict quality standards for concrete reinforcement in public infrastructure works
- Adaptable to both centralized fabrication yards and on-site construction operations
Operational Efficiency & Performance
- Runs at a working speed of 22–24 RPM for steady, continuous output
- Powered by a 2.2kw (3hp) motor operating at 1440RPM on 50Hz frequency
- Designed for standard 220V electrical supply in typical workshop environments
- Mechanical drive system ensures reliable torque transmission and low maintenance
- Features a 102kg base weight for stable floor mounting and vibration control
Core Function & Bending Capabilities
- Bends TMT bars and reinforcement steel into stirrups, rings, squares, and rectangles
- Handles plain carbon steel up to 20mm and TMT bars up to 16mm diameter
- Supports standard 90 and 135 degree angles with a maximum bend of 180 degrees
- Delivers high accuracy for consistent reinforcement geometry across production runs
- Auto angle feed mechanism reduces manual intervention and improves cycle consistency
More questions buyers ask
What is a QSM Stirrup Machine used for?
It is used for bending TMT bars and reinforcement steel into stirrups, rings, squares, and rectangles for RCC construction.
What is the bending capacity of the QSM GF20 series?
The GF20 series handles plain carbon steel up to 20mm and TMT bars up to 16mm diameter.
Does the machine support different bending angles?
Yes, it supports standard 90 and 135 degree angles with a maximum bend of 180 degrees.
What power supply is required for the GF20DS model?
The GF20DS model operates on a standard 220V electrical supply.
What is the motor power of the GF25D model?
The GF25D model is equipped with a powerful 3kw (4hp) motor.
Is the QSM stirrup machine automatic?
Yes, it features an automated angle feed mechanism for consistent and precise bending.
What is the working speed of these machines?
These machines operate at a steady working speed of 22–24 RPM.
Are these machines suitable for on-site construction?
Yes, they are adaptable to both centralized fabrication yards and on-site construction operations.
What maintenance is required?
Regular lubrication of gear joints, inspection of bending pins, and keeping the feed track clear are recommended.
What is the weight of the QSM GF20 series?
The GF20 series machines weigh approximately 102kg, providing stable floor mounting.
Who should choose the GF20DS model?
The GF20DS is ideal for small to medium construction sites and workshops with standard 220V power.
Who should choose the GF20D model?
The GF20D is best for professional contractors and industrial fabrication yards requiring 415V three-phase power.
Who should choose the GF25D model?
The GF25D is perfect for large-scale infrastructure projects needing higher capacity (up to 25mm) and power.
How does the GF20DS compare to the GF20D?
The primary difference is the power supply: GF20DS uses 220V (single-phase), while GF20D uses 415V (three-phase).
How does the GF25D compare to the GF20 series?
The GF25D offers higher bending capacity (25mm vs 20mm) and a more powerful 4HP motor compared to the 3HP motor in the GF20 series.
More like this
Full description
This automatic stirrup machine bends reinforcement bars into precise shapes for structural concrete work. Optimized for standard 220V sites, it processes 4-20mm plain carbon steel and 4-16mm TMT bars. • 2.2kw motor ensures reliable operation on single-phase power • Mechanical drive maintains steady 22-24 RPM output • 102kg weight provides stable handling during bending • Configures 90 and 135 degree angles up to 180 degree maximum