一、用途：
該儀器是根據JG/T3049-1998《建筑室內用膩子》標準中對打磨性試驗的要求設計制造的。該儀器主要適用于測定建筑物內墻、頂棚等室內用膩子的打磨性。該儀器結構合理可靠，操作簡單，自動計數，整機重復性好。
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、技術參數：
◆打磨塊運動頻率：(37±2)次/min
◆打磨塊運動距離：300mm(兩端）
◆大模塊和夾具重：（450±5）g
◆打磨塊尺寸：90mm*38mm
◆設定計數范圍：0-9999
◆電源：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、結構：
該儀器主要由打磨塊及夾具、滑動架、試驗臺板、電動機、電源開關、計數器等部件構成。
3. Structure:
The instrument is mainly composed of grinding blocks and fixtures, sliding frames, test benches, motors, power switches, counters and other components.
