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The use and operation of pipe expanding machine

Pipe expanding machine is a machine tool used to make metal pipes. It is mainly used to expand or compress different parts of metal pipes to meet the needs of different sizes and shapes. In practical applications, the pipe expanding machine can be used to produce cold water pipes, hot water pipes, gas pipes, heating pipes, automotive exhaust pipes and other products.

Basic structure of pipe expanding machine

The pipe expanding machine is mainly composed of fuselage, oil cylinder, upper and lower device, actuating cylinder, mold, pressing device, lubricating device, heating device, etc. The fuselage is made of steel with a solid texture that can stably carry a variety of processing operations. The oil cylinder is the equipment that provides pressure, which is mainly composed of three parts: hydraulic pump, oil pipe and oil cylinder itself. The up and down device is used to adjust the height of the cylinder moving up and down in the machine head. The actuating cylinder is a key component used to control the movement of the cylinder. It changes the up and down movement of the cylinder by controlling the direction switch through the electromagnetic sub-center. Die is one of the key parts of the stamping machine, and its type and shape will affect the size and shape of the processed products. The clamping device is a device used to clamp the pipe to be machined to ensure stability during machining. The lubrication device is a device used to maintain the long-term stable operation of the machine. A heating device is an automatic device used in the processing of heated metal tubes.

The working principle of pipe expanding machine

The working principle of pipe expanding machine is to realize the processing of metal pipes by using hydraulic transmission, deformation principle and plastic transformation principle. During processing, the metal pipe to be processed is placed in the middle of the mold, the pressure system and control system are opened, and the writing and expanding machine is started. After the machine is in normal operation, the metal pipe to be processed is fixed on the writing and expanding machine. Then, the position of the actuating cylinder is adjusted by the control system, so that the cylinder is lowered, and the mold at the lower end of the cylinder contacts the metal pipe to be processed, and the processing begins. The hydraulic fluid pushes a part of the metal pipe onto the mold and gradually expands to form the desired shape and size according to the mold shape. After processing to the specified size, the control system will close the actuating cylinder and stop the work of the cylinder, and at the same time remove the metal pipe from the mold to complete the processing task of the pipe expanding machine.

Operation procedure of pipe expanding machine

1. Check whether the pipe expanding machine is installed correctly, and whether the active hydraulic pump, control cabinet and power supply are connected.

2. Check the oil level of the machine to confirm whether the lubrication device of the machine works normally.

3. Check whether the mold meets the processing requirements and install it into the mold body of the pipe expanding machine.

4. Install the metal pipe to be processed into the clamping device and clamp it, pay attention to tightening the force, and the clamping should not be too tight or too loose.

5. Input the corresponding parameters (such as pressure, stroke, bending Angle, bending Angle, etc.) in the control cabinet according to the requirements of the required finished products.

6. Start the power supply of the pipe expanding machine, start the hydraulic pump, the hydraulic system works, and move the piston of the processing cylinder downward.

7. Observe the processing process, if the processing does not meet the requirements, it can be adjusted and re-processed according to the actual situation until the processed product meets the requirements.

8. After processing, turn off the control system and cut off the hydraulic pump power supply.

9. Clean up the internal and external equipment of the pipe expanding machine, and store the molds and other accessories.

Operation precautions of pipe expanding machine

1. Before the operator is trained in the use of the machine, unauthorized personnel shall not use the pipe expanding machine.

2. Keep the machine in good condition during processing. If there is any abnormal situation, stop the machine immediately.

3. Before processing, check whether the size and material of the metal pipe to be processed meet the requirements of the processing machine.

4. The staff shall use the main equipment, while keeping the operating area clean and hygienic.

5. After the use of the machine, regular maintenance and maintenance should be carried out to clean and lubricate all parts of the equipment.

In short, the pipe expanding machine is an important mechanical equipment that can effectively process metal pipes of different sizes and shapes. When in use, it is necessary to operate in strict accordance with the operating procedures to ensure the stability and efficiency of the machine.

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