多功能小學生筆筆鉛芯耐磨耗性能測試機/小學生鉛筆芯耐磨試驗機
一、符合標準:符合QB/T 2774-2006中5.3標準相關要求。
二、產品說明:本機適用于測試筆鉛芯的耐磨耗性能。
三、技術參數(shù):
1.外形尺寸(長*寬*高):約760*335*437mm 2.重量:約50kg 3.電源:AC220V 50HZ 4.運行速度:40圈/Min 5.W14金相砂紙 6.80g/m2書寫紙 7.芯尖規(guī)格:孔徑0.7mm,0.8mm
Multi function primary school Bibi lead core wear resistance tester / pupil pencil core abrasion tester
First, meet the standards: QB/T 5.3 standards in accordance with the relevant requirements of 2774-2006.
Product Description: two, this machine is suitable for testing the abrasion resistance of lead core.
Three, technical parameters:
1 dimensions (L * w * h): about 760*335*437mm
2 weight: About 50kg
3 power supply: AC220V 50HZ
4 running speed: 40 /Min
5.W14 metallographic sandpaper
6.80g/m2 writing paper
7 core tip specifications: aperture 0.7mm, 0.8mm
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