1、

Automatic machine tool for turning double end face of the piston pin The hardness range and difference of hardness and grit of the two grinding wheels for unequal double end griding of bearing sealing seat.

车活塞销双端面自动机床通过对砂轮性能的实际检测、质量跟踪及磨削试验,得出轴承密封座双端面不等面磨削所使用砂轮的硬度范围、两侧砂轮的硬度差及砂轮粒度等数据。

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2、

The HRC hardness range is from 48.5 to 51. Secondly, according to the drawing of scroll cover, the external permanent-mold is designed to be used to centrifugal casting.

硬度HRC在48.5~51之间。其次,根据螺旋套零件图纸,设计出了适合离心铸造的外层金属型模具,通过添加螺旋套金属型内衬和树脂砂型内衬,用于制造螺旋套。

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3、

Because of the high hardness and stability of intermetallics, the using of intermetallic coating can enlarge the substrate's serving temperature range and represents excellent resistance to wear and erosion of the coating at high temperature and exhibits high ratio of property price.

由于金属间化合物的硬度高,高温稳定好,金属间化合物涂层的应用可以提高原基体材料的应用温度范围,并在高温下表现出良好的耐磨耐蚀性,是一种高性价比的表面涂层技术。

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4、

Results show that the tear strength, tensile strength, elongation and Shore hardness of silicone elastomer increase in ideal value range after Parylene coating.

结果显示:Parylene涂敷后两种硅橡胶的撕裂强度、拉伸强度、扯断伸长率及邵氏硬度高于涂敷前,但数值仍在理想值范围内。

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5、

The study also indicates that the average granule diameter is a key factor that affects the hardness of tablets: Within certain range, the bigger the average granule diameter is, the harder the compressed tablets will be.

颗粒平均粒径是影响片剂硬度的主要原因,在一定范围内,颗粒平均粒径较大时,压制的片剂硬度较大。

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