Important Maintenance Steps for Maintaining a Plastic Pipe Extrusion Line

2023-03-22

Ningbo Fangli Technology Co., Ltd. is a mechanical equipment manufacturer with nearly 30 years’ experiences of plastic pipe extrusion equipment, new environmental protection and new materials equipment. Since its establishment Fangli has been developed based on user’s demands. Through continuous improvement, independent R&D on the core technology and digestion & absorption of advanced technology and other means, we have developed PVC pipe extrusion line, PP-R pipe extrusion line, PE water supply / gas pipe extrusion line, which was recommended by the Chinese Ministry of Construction to replace imported products. We have gained the title of “First-class Brand in Zhejiang Province”.


A plastic pipe extrusion line is not only a key machine but a multi-purpose device that must work optimally at all times. If you need to keep to promise and provide the best products and services to your client, you must not ignore the maintenance of this powerful machine.

When you consider the complexity of this machine, it is clear that adequate maintenance is crucial to keep it effective for the production process. Meanwhile, the first step to take in ensuring optimal performance of any machine is to purchase it from a renowned and reputable company.

Purchasing a machine from such a company comes with enormous benefits. You are sure to get a quality machine, technical support, after-purchase support, and other services from them.

Key Ways to Maintain Plastic Pipe Extrusion Line

We have two main types of maintaining this well-designed machine. They are:

·  Daily Maintenance

·  Periodic Maintenance

1. Daily Maintenance

Daily maintenance is primarily routine work that must be carried out daily on the machine. Daily maintenance aims to ensure every part of the machine is suitable for work. It furnishes us with first-hand information on the condition of the machine.

The following are daily maintenance tips you should carry out:

·  Ensure to clean the exterior surface of the machine before and after use. It is a way of keeping it free from dirt and dust.

·  Ensure to lubricate all the parts that need lubrication before use.

·  Ensure to check and adjust the electromotor appropriately.

·  Ensure to check the threaded fitting and fasten every part appropriately.

2. Periodic Maintenance

When it comes to periodic maintenance, it is not a routine but at a particular time. Most periodic maintenance starts when the machine works uninterruptedly for 2500 – 4500 hours.

There must be a close examination of the state of the parts during the maintenance process. Change any parts that show signs of malfunctioning as soon as possible.

Take note of the following parameters that should be checked closely:

·  Line speed

·  Screw speed

·  Die temperature

·  Melt pressure

·  Cooling power

·  Motor load

Check the following parameters for any variance:

· Vibrations

· Feeders

· Thermal output

· Motor current signature

· Sound

· Blenders

5 Key Things to Avoid During Operation

It is essential to consider the following tips to avoid accidents or breakdown of machines during operation.

1. Ensure to notify other workers around the machine before operation

2. Check the outside and inside the barrel to be sure there is no unwanted material inside the hopper.

3. Check the temperature changes regularly during the use of the machine

4. Do not touch any part that rotates with your hand during the operation

5. If you observe any unexpected sound from the machine during use, kindly off it and notify professionals to check the cause of the sound.


If you need more information, Ningbo Fangli Technology Co., Ltd. welcomes you to contact for a detailed inquiry, we will provide you with professional technical guidance or equipment procurement suggestions.

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