玻璃透镜的品质鉴定Quality appraisal of glass lenses

ITEM低端玻璃透Low-end glass lens高端光学玻璃透High-end optical glass lens from KINGLUX
加工工艺Processing Technology①无退火工序,透镜应力弱,防爆性能弱,易碎No annealing step ,lens stress weak , explosion-proof performance is weak , fragile①经过保温带工艺退火,透镜应力强,防爆性能好,不易摔碎After annealing process , the lens would be strong,good explosion-proof performance, and not fragile
②工序,模压-粗磨-倒边-抛光,所有工序均为一出多,产品精度低,一致性差 Process:  molding – roughing – bevelling – polished , all the processes are more than one , precision products is low, poor consistency②工序,原材料抛光-模压-退火-敲边-粗磨-倒边-精磨-抛光-超声波清洗,所有工序均为一出一,保证产品精度以及一致性   Process: polishing materials – molded – annealing – Knock side – roughing – bevelling – grinding – polishing – ultrasonic cleaning , all the processes ensure product accuracy and consistency
②普通模具材料,模压成型透镜表面精度低Common mold material  lens is of low surface accuracy ③透镜模具采用日本进口特殊模具材料,模压成型的透镜表面精密度高Japan imported special lens mold material ensure lens high surface accuracy 
原材料选择Raw material selection普通低价高硼硅3.3棒料,气泡,杂质,黑点,水纹等瑕疵多Common low-cost high borosilicate 3.3 bar , bubbles/ inclusions /black spots/waterlines and other defects more采用高端特级精品高硼硅玻璃3.3棒料,透光率高,无气泡,杂质,黑点,水纹等瑕疵  Using premium quality borosilicate glass 3.3 bar , high transmittance, no bubbles /impurities/ black spots/ waterlines and other defects
表面品质Surface Quality表面光泽度低,透镜穿透率低Low surface glossiness , low penetration rate表面光泽度高,透镜穿透率强surface high glossiness, high penetration rate, low light loss
透光率light transmittance80%~85%90%~94%
防爆性能Proof performance低low高high
光型Light type照度不均匀,黄斑严重,LED光效利用率低Uneven illumination , macular serious , low efficiency utilization rate for LED照明区域内照度均匀,能量高,提高LED的光效利用率Lighting illumination uniformity within the region , high energy, improve LED utilization efficiency 

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