塑料冲击试验机包括悬臂梁、简支梁，主要用于硬质塑料(包括板材、管材、塑料异型材)、增强尼龙、玻璃钢、陶瓷、铸石、电绝缘材料等非金属材料冲击韧性的测定。本试验机是化工行业、科研单位、大专院校质量检测等部门理想的试验设备。那么在我们使用设备过程后该如何对塑料冲击试验机进行维护保养呢它的注意事项都有哪些?下面就跟随本公司技术人员一起了解下塑料冲击试验机的维护保养与注意事项：
The plastic impact testing machine includes cantilever beam and simply supported beam. It is mainly used to measure the impact toughness of non-metallic materials such as hard plastics (including plates, pipes, plastic profiles), reinforced nylon, glass fiber reinforced plastics, ceramics, cast stone, electrical insulation materials, etc. This testing machine is an ideal test equipment for chemical industry, scientific research institutions, quality inspection departments of colleges and universities. So, how to maintain the plastic impact testing machine after we use the equipment? What are the precautions? Here we will follow the technical personnel of our company to understand the maintenance and precautions of the plastic impact testing machine:
一、塑料冲击试验机维护保养
1、 Maintenance of plastic impact testing machine
1、塑料冲击试验机的搬运过程中，应将冲击摆卸下，以免冲击摆来回摆动而使有关零件遭到破坏，冲击摆不用时应涂防锈油，并放置于附件箱中，严禁拆卸或更换冲击摆上面有关零件，以免冲击摆的冲击常数和打击中心距发生变化。
1. During the handling of plastic impact testing machine, the impact pendulum should be removed to avoid damage to the relevant parts due to the swing back and forth. When the impact pendulum is not in use, it should be coated with antirust oil and placed in the accessory box. It is strictly forbidden to dismantle or replace the relevant parts on the impact pendulum, so as to avoid the change of impact constant and striking center distance of the impact pendulum.
2、使用前应检查塑料冲击试验机摆杆、摆锤等连接螺丝是否松动，电源是否接通，冲击摆定位机构及放摆开关工作是否正常，为保证轴承的摩擦力小，应定期往轴孔中加高速机械油，但加油不宜过多，否则会增加摩擦力。
2. Before use, check whether the connecting screws of swing rod and pendulum of plastic impact testing machine are loose, whether the power is connected, whether the impact pendulum positioning mechanism and swing switch work normally. In order to ensure that the friction force of bearing is small, high-speed mechanical oil should be added to the shaft hole regularly, but the oil should not be too much, otherwise the friction will be increased.
二、塑料冲击试验机实验注意事项
2、 Notes on experiment of plastic impact testing machine
1、当新塑料冲击试验机初次使用时，首先要调整基座的水平，塑料冲击试验机摆动轴承定期未清洗摆动不灵活时，造成能量损失超差，是用前应清洗并加油。
1. When the new plastic impact testing machine is used for the first time, the level of the base should be adjusted first. The swing bearing of the plastic impact testing machine is not cleaned regularly, and the swing is not flexible, resulting in energy loss out of tolerance. It is necessary to clean and add oil before use.
2、当冲击试样定期磨损引起刀刃钳口变形时，应更换其磨损件，在实验中经常出现打死现象，摆杆容易出现弯曲变形，影响测试精度，故对测定材料能量的大小选用相应能量等级的塑料冲击试验机冲击摆尽量避免打死现象。首次不知道冲击强度的前提下，尽量选用大量程冲击摆。
2. When the impact sample is regularly worn and causes deformation of the cutting edge and jaw, the worn parts should be replaced. In the experiment, the pendulum rod is prone to bending deformation, which affects the test accuracy. Therefore, the plastic impact testing machine with corresponding energy level is selected to determine the energy of the material, and the phenomenon of killing is avoided as far as possible. If the impact strength is not known for the first time, a large range impact pendulum should be selected as far as possible.
3、在放摆是注意摆的运动方向，确保人身安全，摆锤不能碰到人体的任何部位，塑料冲击试验机试验完毕后及时记录数据，真实客观地反应试验的情况。
3. Pay attention to the movement direction of the pendulum to ensure personal safety. The pendulum should not touch any part of the human body. After the plastic impact testing machine is finished, the data should be recorded in time to reflect the actual and objective test conditions.
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