多功能小學(xué)生筆筆鉛芯耐磨耗性能測試機/小學(xué)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(guān)要求。
二、產(chǎn)品說明：本機適用于測試筆鉛芯的耐磨耗性能。
三、技術(shù)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
