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What is the difference between urethane casting and injection molding?

What is the difference between urethane casting and injection molding?

The core difference between urethane casting and injection molding lies in material properties, production efficiency and precision level. Urethane casting uses room temperature curing resin, which is fast and low cost (especially for small batches), but is limited by strength (≤80 MPa) and precision (±0.3 mm), and is suitable for flexible, low-load short-term parts (such as cushions,

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How to predict the “invisible killer” of brake discs?

What Grounds Jets? Brake Discs & Retraction Actuators Under Fire

The core causes of frequent groundings of jet aircraft are the thermal decay effect of brake discs and hydraulic hysteresis of retraction actuators: Emirates Boeing 777 failed due to delamination of carbon fiber brake discs at 1200℃ (NTSB report AAR-24/01), exposing the thermal resistance limit of traditional materials; Airbus A320neo fleet caused a 300% surge in the risk of landing

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What is the difference between PVA and HIPS?

What is the difference between PVA and HIPS?

In the field of 3D printing, PVA and HIPS are two mainstream support materials with significant differences: PVA (polyvinyl alcohol) is a water-soluble material, especially suitable for use with low-temperature consumables such as PLA, which dissolves quickly, is environmentally friendly and easy to operate; while HIPS (high-impact polystyrene) needs to be dissolved with limonene solvent.

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