耐高溫塑膠軸承

耐高溫塑膠軸承

 

l  PEEKPI作為新興的工程塑料材料,被證明是所有已知工程塑料中機械強度尺寸穩定性及耐高溫性能最好的,其中PEEK長期使用溫度達260PI長期使用溫度更是高達300,且其具有優良的耐腐蝕性能,在中等強度的酸堿腐蝕環境仍可以運轉自如,故一般用於製作需要在比較嚴酷環境中精密運轉的軸承,其缺點是因材料本身比較昂貴,故使用成本較高,一般內外圈材料選用PEEKPI,保持架材料為PTFEPEEKPI,滾珠一般為Zro2Si3N4陶瓷球。




 

PEEK/PI Plastic Bearings (High temperature application plastic bearings)

As newly developing engineering plastic material, PEEK and PI have been approved have the strongest mechanical strength and could endure the highest temperature among all the plastic material. PEEK could work at 260 and PI at 300 in long-term. Moreover they have excellent.anti-corrosion performance could be used in strong acid and alkali environment. So generally they are used to manufacture bearings 5 to realize precision running in rigor environment. As the material is expensive, the costs are high. Generally the rings made with PEEK or PI. Cage with PTFE, PEEK or PI and ball with ZrO2 or Si3N4.


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