In fields such as steel structure Bridges, building curtain walls, pipeline engineering, mechanical manufacturing, and even artistic decoration, the precise bending processing of steel bars, sections, and pipes is of vital importance. As a core equipment, the selection of circular and arc bending machines is directly related to processing efficiency, finished product quality and project cost. Faced with a dazzling array of products in the market, how can one clear the fog and select the equipment that truly suits their own needs? Industry experts sort out the key considerations for you.
The first step: Clarify the core processing requirements
Bending radius: What is the minimum arc radius (R) that needs to be bent? This determines the mold capacity of the equipment and the possible minimum bending diameter.
Bending Angle: Commonly 90°, 180°? Or is it necessary to continuously bend it into a complete ring or a complex spatial curve?
Precision requirements: The grade of requirements for the roundness, angular tolerance, and dimensional consistency of arcs (such as civil structural components vs. precision mechanical parts).
Production demand: Is it single-piece small-batch production or medium to large-batch continuous operation? This concerns the choice of the degree of automation.
Step 2: Focus on the key performance parameters of the equipment
Bending capacity (tonnage) : This is the core indicator! It refers to the maximum force required for a device to bend a certain material to a specific radius under specific molds and conditions. It is necessary to ensure that the nominal tonnage of the selected equipment is greater than the maximum bending force required for actual processing, and a certain safety margin must be considered. Never "a small horse pulling a big cart".
The range of machinable cross-sections: The maximum diameter of the bendable round steel, the side length of the square steel, the specification number of the section steel, the outer diameter/wall thickness of the pipe, etc. indicated on the equipment must cover your material specifications.
Minimum bending radius: The minimum bending radius that the equipment (in conjunction with the corresponding mold) can achieve must meet your process requirements.
Processing length: The effective length of the equipment's worktable or the stroke of the feeding mechanism must be greater than the maximum length requirement of your workpiece.
"Test bending" is the key: Try to bring your actual material samples to the manufacturer or the existing customer's site for trial processing as much as possible. This is the most direct way to verify the equipment's capabilities and precision.
Pay attention to "scalability" : Consider possible future business growth or product changes, and choose equipment with certain upgrade potential (such as installing automation modules) or processing range margin.
Emphasize operation training: Even the best equipment requires proficient operation and maintenance. Ensure that the manufacturer provides comprehensive training.
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