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how to bend mild steel tube？
Bending mild steel pipe can be accomplished with a mechanical pipe bender or hand bending tools, depending on the shape and size of the bend required and the thickness of the pipe. To prevent collapse or twisting during the bending process, the pipe can be filled with materials such as sand and sealed at both ends, or a mandrel can be used to support the interior.
Specific steps and methods:
1. Choose the right tools:
Mechanical pipe bender: suitable for large-scale, high-precision bending, and can provide precise bending angles and radii.
Manual pipe bending tools: such as pipe bender, pipe bending mold, etc., suitable for small-scale, simple-shaped bending.
2. Preparation:
Cleaning: Make sure the surface of the pipe is clean, free of oil, rust, etc.
Marking: Mark the position where the bend is required to control the bending angle and position.
Filling: In order to prevent the pipe from collapsing during the bending process, sand, graphite powder and other materials can be filled in the pipe and sealed with a plug.
Heating: For thicker low-carbon steel pipes, it may be necessary to heat them appropriately before bending to reduce their hardness and facilitate bending.
3. Bending process:
Mechanical bending: Place the tube in the tube bending machine, adjust the mold, and bend according to the machine's instructions.
Manual bending: Place the tube in the tube bending tool and bend according to the marked position, paying attention to keeping it stable and even.
4. Post-processing:
Desanding: After bending, remove the filler inside the tube.
Correction: Check the shape after bending and correct it if necessary.
Welding: If you need to connect the bent tube to other pipe fittings, welding is required