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摘 要
随着科学技术的不断发展，对机械产品的要求也越来越高。机械产品需要满足社会的需要，就应该具有高精度、高效率、通用性和灵活性等性能，加上机械产品不断加快的更新换代速度，因此对检验设备也相应地提出了精度高、效率高、通用性好和灵活性强的要求。机械性能拉压试验机作为试验机床家族中的高端产品，在现代机械行业领域内被越来越多的采用，具有机型美观，操作简单，系统工作可靠，测量精度高等特点。 试验机是在各种条件、环境下测定金属材料、非金属材料、机械零件、工程结构等的机械性能、工艺性能、内部缺陷和校验旋转零部件动态不平衡量的精密测试仪器，可以对材料进行拉伸、压缩、弯曲、剪切、扭转、冲击、疲劳、蠕变、持久、松弛、磨损、硬度等试验。在研究探索新材料、新工艺、新技术和新结构的过程中，试验机是一种不可缺少的重要测试仪器。
关键词:机械性能拉压试验机;精度;丝杠
Abstract
With the development of science and technology, the requirements of mechanical products is also more and more high. Mechanical products to meet the needs of the community, should have the properties of high precision and high efficiency, versatility and flexibility, and mechanical products continues to accelerate the upgrading of speed, so the test equipment is presented with high precision, high efficiency, good versatility and flexibility requirements. The mechanical properties of tension and compression testing machine as a high-end product testing machine in the family, in the field of modern machinery industry is more and more widely used, with beautiful models, simple operation, reliable system, high precision. Test machine in various conditions and environment in metal materials, non-metallic materials, machinery parts, engineering structures such as mechanical properties, process performance, internal defects and checking dynamic rotating parts unbalance precision testing instrument, can carry on to the material tensile, compression and bending, shear, torsion, impact, fatigue, creep lasting and relaxation, wear, hardness test. In the process of exploring new materials, new technology, new technology and new structure, testing machine is an indispensable important test instrument.
Keywords: mechanical properties of tension and compression testing machine; precision; screw
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