Knowledge

19Feb, 2025

Reasons for Grooving Plastic-lined Composite Pipes
To facilitate pipe connections during construction, as water pipelines often crisscross in various directions, it is often necessary to connect pipe ends to pipes. In such cases, u
19Feb, 2025

Grooving
By grooving both ends of the pipe nozzles, it facilitates the quick installation of specialized connecting fittings for piping.
19Feb, 2025

Ultra-audio Frequency/Medium Frequency Heating
Ultra-audio frequency heating employs the principle of electromagnetic induction. High-frequency current passes through an induction coil, generating a high-frequency alternating m
19Feb, 2025

Methods for Controlling Composite Quality
The quality of compositing is mainly reflected in bond strength and wall thickness. Therefore, controlling composite quality is equivalent to controlling bond strength and wall thi
19Feb, 2025

Principle of Composite Equipment
The composite equipment operates by pressurizing the interior of the tube and utilizing medium-frequency/ultrasonic-frequency heating to facilitate heat transfer to the metal tube.
18Feb, 2025

Reasons Why Plastic Pipes Are Not of Standard Length
Generally, plastic pipes are longer than metal pipes due to the significant impact of heat temperature on plastic pipes. In order to avoid the problem of diameter reduction after c
18Feb, 2025

Reasons for the Rough Exterior of Produced Plastic Pipes
Adjust the process temperature and lower the cooling water temperature, with the optimal cooling water temperature for pipes being 20-25°C. Check the water circuit for any bloc
18Feb, 2025

Control Methods for Wall Thickness of Plastic Pipes
The outer diameter of plastic pipes is jointly determined by the die head, sizing device, and vacuum sizing. The wall thickness of plastic pipes, however, is determined by the trac
18Feb, 2025

The Reason for Measuring Moisture Content in Plastic Pellet Raw Materials
The presence of moisture in plastics typically has detrimental effects on their properties and molding processes. Additionally, water can vaporize at high temperatures, leading to
18Feb, 2025

Mass Ratio of Plastic to Rubber Granules
The ratio of plastic pellets to rubber granules is not fixed. This ratio can be increased on the premise of meeting national standards to reduce costs, generally controlled within
17Feb, 2025

Reasons for Mixing Materials
Mixing materials is to ensure even blending of color masterbatch with plastic pellets. If plastic pellets and color masterbatch are fed separately and then extruded, it is likely t
17Feb, 2025

Relationship between Flow Rate and Screw Speed
The higher the screw speed, the higher the flow rate. Therefore, to accelerate the production of plastic pipes, it is necessary to increase the screw speed. However, the heating te

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