HAIHUI · REBAR PROCESSING GUIDE
A steel bar arc bending machine forms curved reinforcement using a roller arrangement. Selecting it requires both the bar diameter and the finished geometry. For Haihui GWH24 / GWH32 equipment, confirm material grade and achievable radius instead of inferring the minimum circle size from the model number.
Compare the two published model ranges
The Haihui listing specifies GWH24 for 12–24 mm bars with a 3 kW motor and a 360 kg machine weight. GWH32 is listed for 25–32 mm bars with a 4 kW motor and a 430 kg weight. These are distinct model ranges. Material strength and the requested curve must be reviewed before confirming suitability.
State which radius your drawing uses
Identify whether the drawing dimension is the inner radius, outer radius or bar centreline radius. Include the required arc angle, straight end lengths and whether the part is a partial arc or complete circle. Ambiguous radius descriptions can produce different finished parts even when the bar diameter is correct. Provide a dimensioned drawing rather than only a photograph.
Check the released part after forming
Steel can change curvature when the forming load is removed. Evaluate the released part against the drawing and record the material batch and setup used for the trial. Ask the supplier how the proposed arrangement will handle the required radius and end geometry. The result on one bar grade should not be assumed identical on another.
Build a complete cycle comparison
The product sheet lists a catalog bending speed of 20 m/min. That figure does not establish completed circles per hour. Loading, forming passes, adjustments, unloading and any separate end operation affect output. The listed 1440 r/min catalog rotational speed should not be interpreted as roller output speed. Request a timed trial for your part and confirm power, tooling and work-area requirements.
Related Haihui equipment
Review the GWH24 / GWH32 Steel Circle Machine | Rebar Arc Bender and browse our Steel Circle Machine category for application information and configuration enquiries.
Frequently asked questions
Does an arc bender also weld the circle ends?
The listed function is arc and circle forming. End welding is a separate operation unless explicitly included in the agreed equipment scope.
What defines the smallest circle it can produce?
The bar, material grade, tooling and forming arrangement all matter. Ask Haihui to confirm the minimum radius for the actual drawing.
Request a drawing-based quotation from Haihui
Xingtai Haihui Machine Tool Co., Ltd. supplies reinforcement processing machinery from Renze District, Xingtai, Hebei, China. Send your part drawing, material specification, production target, power supply and destination for a configuration review and quotation.
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