Besides Metal material, Sibai produces a lot of CNC precision parts from plastic material.
Besides plastic injection moulding processing, the CNC machining is an important method to produce plastic products or components.
CNC plastic machining is one of sibai;s important service. Sibai provide plastic CNC machining with many kinds of material. The plastic material suitable for CNC machining Sibai can provide includes POM, PVC, ABS, PTFE, Acrylic, Nylon, PEEK, etc.
Because plastic material is easy to deform in low temperature, we must set up right processing methods. What's more, we have to select suitable machining tools and cooling fluid, to avoid processing failure.
POM (the trade name Delrin) is the engineering thermoplastic with the highest machinability of plastic. POM is usually the best choice for CNC machining plastic parts, which requires high precision, high stiffness, low friction, excellent high temperature dimensional stability and very low water absorption.
PTFE (common name, Teflon), is an engineering thermoplastic with excellent chemical and thermal resistance and the lowest coefficient of friction of any known solid material.
Teflon is one of the few plastics that can withstand operating temperatures above 200℃ and is an excellent electrical insulator.
ABS is one of the most common thermoplastic materials with good mechanical properties, excellent impact strength, high heat resistance and good machinability. ABS has a low density and is ideal for lightweight applications. CNC machined ABS parts are often used as prototypes before injection molding for mass production.
PA (polyamide, Nylon) is a thermoplastic often used in engineering applications because of its excellent mechanical properties, good impact strength, and high chemical and abrasion resistance. But Nylon absorbs water and moisture easily. The common grades is PA 6 and PA66.
PEEK is a high-performance engineering thermoplastic with excellent mechanical properties, thermal stability over a very wide temperature range, and excellent resistance to most chemicals.
PEEK is often used to replace metal parts due to its high strength-to-weight ratio. Medical grades are also available, making PEEK suitable for biomedical applications as well.
Sibai purchases plastic material from big brand, which ensures the quality of plastic material.
Sibai has near 20 years' CNC machining. Sibai has rich experience on various plastic CNC machining. The tolerances for small measurement can control within +-0.02mm. Sibai has also 3D coordinate measuring machines to confirm the precision.
After long period after machining, the plastic parts still keep good shape, don't deform.
Sibai's CNC machining is fast and efficient.
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