腾达试验仪器厂：

　　一、产品简介:

　　道瑞式耐磨试验仪适用于天然花岗岩、天然大理石、石灰石、砂岩、板石和其他建筑装饰材料（如人造石、微晶玻璃等）的耐磨性耐磨度试验。道瑞式耐磨试验仪适采用三项异步电机，噪音低，4组工作头具有造型美观、运行稳定等特点。

　　Product introduction

　　Dow type abrasion tester is suitable for abrasion resistance and abrasion resistance test of natural granite,natural marble,limestone,sandstone,slate and other building decoration materials(such as artificial stone,glass-ceramic,etc.).Dow type wear tester is suitable for using three asynchronous motors with low noise.The four working heads have the characteristics of beautiful appearance and stable operation.

　　二、符合标准：

　　GB/T19766-2005《天然大理石建筑板材》附录A；GBT9966.4-2001天然饰面石材试验方法第4部分：耐磨性试验方法；ASTMC503-1997天然饰面石材试验方法.耐磨性试验方法。以及美国标准ASTMC241-90“Standard Test Method for三，

　　Second,meet the standards:

　　Appendix A of GB/T19766-2005"Natural Marble Building Slabs";GBT9966.4-2001 Test Methods for Natural Finished Stones-Part 4:Abrasion Resistance Test Methods;ASTMC503-1997 Test Methods for Natural Finished Stones.Test Methods for Abrasion Resistance.And the American Standard ASTMC241-90"Standard Test Method for

　　三、技术参数：

　　★磨盘尺寸：φ254×15mm

　　★四个试样**距圆盘中间：90mm

　　★试样承受负荷：2000±50g、1250±50g

　　★磨盘转速及试样自转转速：45±1rpm

　　★磨盘工作硬度：＞HB500

　　★磨料流量：连续可调

　　★适用试样规格：

　　正方形样品50×50±0.5mm,厚度15-55mm

　　圆形样品￠25±0.5mm,高度25-60mm

　　★试样个数量:4个

　　★额定消耗功率：0.37KW,380V,50Hz

　　★转数控制范围：0-9999rpm

　　Third,the technical parameters:

　　★Grinding disc size:φ254×15mm

　　★Four specimens**from the middle of the disc:90mm

　　★Sample load:2000±50g,1250±50g

　　★Rotating speed of grinding disc and sample rotation speed:45±1rpm

　　★Working hardness of grinding disc:＞HB500

　　★Abrasive flow:continuously adjustable

　　★Applicable sample specifications:

　　Square sample 50×50±0.5mm,thickness 15-55mm

　　Round sample:25±0.5mm,height 25-60mm

　　Number of samples:4

　　★Rated power consumption:0.37KW,380V,50Hz

　　★Revolution control range:0-9999rpm