磨具的安全规则：磨具的保管
Safety rules of abrasive : Abrasive storage

• 1.  使用单位收到磨具后，应仔细检查是否有裂纹及其他损伤，并认真核对磨具表面有关商标标志是否正确、清晰、齐全。
• The unit that receives the abrasives, should carefully check whether there are cracks and other damage, and carefully check the logo of abrasive surface is correct, complete, clear.


• 2.  磨具在搬运时应小心轻放，防止振动和碰撞，并禁止在地上滚动。
• Be careful in handling, to prevent vibration and impact, and no rolling on the ground.


• 3.  磨具存放时应防止受潮，受冻，室温不应低于5度。
• Abrasive storage should be to prevent the damp, cold, the room temperature should not be lower than 5 degrees.


• 4.  树脂磨具不能与碱类物质接触，以免降低硬度和强度，存放时间超过一年者，应重新进行回转强度检验后方可使用。
• Resin Abrasives cannot with alkali substances, so as not to reduce the hardness and strength, storage time in more than a year, rotary strength test shall be carried out again before use.