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08
Apr
2021
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Principle of single screw extrude
A single screw is generally divided into three sections in effective length. The effective length of the three sections is determined according to the diameter, pitch and depth of
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07
Apr
2021
History of extruder development
The extruder originated in the 18th century. The manual piston extruder used to manufacture seamless lead pipes manufactured by Joseph Bramah (England) in 1795 is considered the wo
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06
Apr
2021
History of pressure measuring instruments
In 1643, the Italian Torricelli first measured the standard atmospheric pressure value as 760 mmHg, laying the foundation for the liquid column pressure measuring instrument. In 18
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05
Apr
2021
Overview of pressure tester functions
Instead of manual reading, fool-like operation. Sensors with different ranges are allowed to be replaced, and the range data of the corresponding channel needs to be modified on th
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04
Apr
2021
Principle of pressure tester
Pressure tester: In the production process of air conditioning units and fin heat exchangers, it is necessary to inspect the product's tightness and pressure resistance. Generally,
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03
Apr
2021
What are the things to consider before the rheometer test
Rheometers have been widely used in many industries such as chemical industry, materials, pharmaceuticals, food, new energy, etc. They can be used to study the flow and deformation
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02
Apr
2021
Rheometer research findings
According to reports, scientists have discovered a strange "synthetic liquid" by using an extensional rheometer.
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01
Apr
2021
Interface rheometer
Rotational rheometers have several principles such as oscillating droplets and oscillating shearing. It is the most difficult field to accurately implement in rheological testing.