一、用途：
该仪器是根据JG/T3049-1998《建筑室内用腻子》标准中对打磨性试验的要求设计制造的。该仪器主要适用于测定建筑物内墙、顶棚等室内用腻子的打磨性。该仪器结构合理可靠，操作简单，自动计数，整机重复性好。
1. Purpose:
The instrument is designed and manufactured in accordance with the requirements of the sandability test in the JG/T3049-1998 "Putty for Building Interior" standard. This instrument is mainly suitable for measuring the sandability of indoor putty such as building interior walls and ceilings. The instrument has reasonable and reliable structure, simple operation, automatic counting, and good repeatability of the whole machine.
二、技术参数：
◆打磨块运动频率：(37±2)次/min
◆打磨块运动距离：300mm(两端）
◆大模块和夹具重：（450±5）g
◆打磨块尺寸：90mm*38mm
◆设定计数范围：0-9999
◆电源：AC220V，50HZ，3A
◆外形尺寸：620*490*460mm
2. Technical parameters:
◆Movement frequency of grinding block: (37±2) times/min
◆Movement distance of grinding block: 300mm (both ends)
◆Large module and fixture weight: (450±5) g
◆ Grinding block size: 90mm*38mm
◆Set counting range: 0-9999
◆Power supply: AC220V, 50HZ, 3A
◆Dimensions: 620*490*460mm
三、结构：
该仪器主要由打磨块及夹具、滑动架、试验台板、电动机、电源开关、计数器等部件构成。
3. Structure:
The instrument is mainly composed of grinding blocks and fixtures, sliding frames, test benches, motors, power switches, counters and other components.
