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Mar 28,2025

Pipe beveling machine is running abnormally? Causes of failure and repair guide

As an indispensable equipment in the process of pipeline welding and connection, the pipe beveling machine is widely used in the oil, natural gas, chemical, electric power and other industries. Its main function is to bevel the pipe port to provide a good connection surface for subsequent welding. However, during long-term use, the pipe beveling machine may have various operating abnormalities, affecting work efficiency and even causing safety hazards. As pipe beveling machine exporter, it is crucial to understand the common causes of failures and their maintenance methods. This article will analyze in detail the common operating abnormalities, causes of failures and maintenance guides of pipe beveling machines to help users efficiently troubleshoot and restore the normal operation of the equipment.

1. Common operating abnormalities

When using pipe beveling machines, there are many common operating abnormalities. The following are several common fault manifestations:

1.1 Difficulty in starting the machine

The pipe beveling machine may encounter difficulties when starting, and the machine cannot start normally or runs unstably after starting. This phenomenon may be caused by factors such as power problems, control system failures or motor failures.

1.2 Uneven cutting

Uneven cutting of the beveling machine is one of the more common faults, which is usually manifested as inconsistent beveling angles on the cutting surface or obvious gaps on the cutting surface. This fault is usually related to tool wear, improper adjustment, problems with the transmission system, etc.

pipe beveling machine

1.3 Excessive noise

When the pipe beveling machine is running, if there is abnormal noise, it usually means that a part of the equipment is damaged or loose. This noise may come from the motor, bearing, gear transmission system, etc.

1.4 Severe vibration

When the equipment vibrates violently during operation, it may be due to the uneven base of the machine or the looseness of some parts. Excessive vibration will not only affect the working effect, but also accelerate the wear of the equipment, causing the equipment to be scrapped prematurely.

1.5 Automatic shutdown protection

When the pipe beveling machine has abnormalities such as overload, excessive current, and high temperature, the automatic protection system of the equipment will start and shut down the machine. This is to protect the equipment from serious damage. Common causes include overload, electrical failure, or poor heat dissipation.

2. Analysis of the cause of the fault

The reasons for the abnormality of the pipe beveling machine can be multifaceted. The following is a detailed analysis of several common causes of failure:

2.1 Power supply problem

Unstable power supply or excessive voltage fluctuation is one of the important reasons for the difficulty in starting or unstable operation of the pipe beveling machine. If the power supply voltage is too low or too high, the equipment will not start normally, and even cause damage to electrical components. Therefore, ensuring the stability of the power supply system is a prerequisite for ensuring the normal operation of the equipment.

2.2 Control system failure

The control system of the pipe beveling machine is usually composed of PLC, sensors, electrical components, etc. If a part of the control system fails, the machine may not work properly. For example, abnormal PLC program, sensor failure or loose electrical connection will cause abnormal operation of the equipment.

2.3 Tool wear

With long-term use, the tool of the pipe beveling machine will gradually wear out, resulting in poor cutting effect and even uneven cutting. Tool wear is one of the main reasons for uneven or inaccurate cutting surface. Timely replacement of tools can effectively solve this problem.

2.4 Transmission system problem

The transmission system of the pipe beveling machine is usually composed of motors, belts, gears, etc. If a component in the transmission system is worn or damaged, the equipment may not operate normally, and abnormal phenomena such as excessive noise or severe vibration may occur.

2.5 Failure of the cooling system

After long-term use, the motor and other electronic components of the pipe beveling machine may generate high temperatures. If the cooling system fails, the equipment temperature is too high, which may trigger the automatic protection system and shut down the machine. Therefore, ensuring the normal operation of the cooling system is the key to ensuring the long-term stable operation of the equipment.

2.6 Improper equipment maintenance

During the use of the pipe beveling machine, if it is not regularly inspected and maintained as required, it will also cause equipment failure. For example, dust accumulation inside the machine, insufficient lubricating oil, etc., may affect the normal operation of the equipment.

3. Fault repair guide

For the above common causes of failure, the following is a repair guide for the pipe beveling machine to help users solve problems in time when they occur:

3.1 Dealing with power supply problems

If the pipe beveling machine cannot start normally or runs unstably, first check whether the power supply is normal. Use a voltmeter to measure the power supply voltage to ensure that the voltage is within the range required by the equipment. If the voltage fluctuates too much, consider using a voltage stabilizing device to adjust it. In addition, check whether the power cord and plug are intact to avoid power supply problems caused by poor contact.

3.2 Check the control system

For control system failures, first check whether the PLC program is running normally. If the program is found to be abnormal, you can try to restart the device or reload the program. If there is a problem with the sensor in the control system, you can use a multimeter to measure its voltage or current to determine whether the sensor is damaged, and replace the sensor or related electrical components if necessary.

3.3 Replace the tool

When the cutting surface is uneven or the cutting effect is poor, the wear of the tool should be checked in time. If the tool is severely worn, a new tool needs to be replaced. In addition, the tool can be sharpened regularly to extend its service life.

3.4 Adjust the transmission system

When there is a problem with the transmission system, it is necessary to check components such as the motor, belt, and gear. If the motor fails, contact a professional maintenance personnel for inspection and replacement. If the belt is loose or the gear is worn, the corresponding components need to be adjusted or replaced.

3.5 Check the heat dissipation system

If the pipe beveling machine overheats or automatically stops, you can check whether the heat dissipation system is normal. First, clean the dust on the cooling fan and heat sink to ensure smooth air circulation. If the fan is damaged or the heat sink has problems, it needs to be replaced in time.

3.6 Regular maintenance

In order to avoid equipment failure, regular maintenance should be performed. Check each part of the equipment every month to ensure that there is no looseness or damage. In addition, regularly refuel the transmission system, clean the dust inside the equipment, and keep the equipment in good operating condition.

As a leading pipe beveling machine wholesaler, understanding the common causes of failures of pipe beveling machines and their repair methods can solve problems in a timely manner, improve the working efficiency of the equipment, and improve the after-sales service quality of the product. Regular maintenance and timely repairs are the key to ensuring the long-term and stable operation of the pipe beveling machine. I hope that the fault analysis and repair guide in this article can help the majority of users, ensure the normal operation of the pipe beveling machine, and provide strong support for industrial production.

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