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