多功能小学生笔笔铅芯耐磨耗性能测试机/小学生铅笔芯耐磨试验机
一、符合标准：符合QB/T 2774-2006中5.3标准相关要求。
二、产品说明：本机适用于测试笔铅芯的耐磨耗性能。
三、技术参数：
1.外形尺寸（长*宽*高）：约760*335*437mm
2.重量：约50kg
3.电源：AC220V 50HZ
4.运行速度：40圈/Min
5.W14金相砂纸
6.80g/m2书写纸
7.芯尖规格：孔径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
