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Intrinsic Viscosity Of Polyetheretherketone (PEEK)

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Intrinsic Viscosity Of Polyetheretherketone (PEEK)

Polyetheretherketone is a linear aromatic polymer compound containing chains in the main chain of the molecule. Its structural unit is oxygen-p-phenylene-oxy-carbonyl-p-phenylene, which is semi-crystalline and thermoplastic. Polyetheretherketone has the heat resistance and chemical stability of thermosetting plastics and the molding and machining peek of thermoplastics. Polyetheretherketone also has excellent heat resistance. The heat distortion temperature is 160°C, and when reinforced with 20% to 30% glass fiber, the heat distortion temperature can be increased to 280 to 300°C. The thermal stability of polyether ether ketone is good, 420 ℃ in air. The weight loss is only 2% at 2h, 2.5% at 500°C, and significant thermal weight loss occurs only at 500°C. The electrical insulating properties of ether ether ketone are very excellent, and the volume resistivity is about 10-10 ω·cm. It still has a small dielectric constant and dielectric loss in the high frequency range. The chemical stability of polyether ether Read more

Plastic Injection Mold Manufacturing And Production Process

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The plastic injection mold production process is generally divided into: customer customization, mold design, mold manufacturing, mold inspection and testing, mold modification and repair, mold maintenance, and I will explain them one by one below. Customer Customization In the production of plastic molds, customer engineers first provide product drawings to the mold manufacturer. The manufacturer collects, analyzes, and digests product data through the task requirements of molded plastic production, which is customized for customers.

The Increase And Decrease Technology Of Prototype Production!

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CNC machining and 3D printing are both processing technologies that have received much attention in recent years. CNC is subtractive manufacturing and 3D printing is additive manufacturing. Although these two processing technologies are very different at the production level, they are both used in production. Before the product model is used for verification, how should companies choose between the two mature model production processes, 3D printing and CNC processing, if they want to make prototypes? 3D printing can process multiple parts at one time, directly import 3D data maps, and generate data through calculations. Computer data can be directly transmitted to the machine for printing. During this period, no personnel is required to operate, only the operating room is constant temperature and humidity throughout the day. Read more