2) guideways repairing
导轨修补
3) multiplex rail
复合导轨
4) the repair of guide sheave
导轮修复
5) Composite conductor rail
复合导电轨
6) aluminum/steel conductor rail
钢铝复合导电轨
1.
After introducing the property and the utilization of aluminum/steel conductor rail in UMT, the paper holds that this rail is relatively good in electric conduction, lessweight, corrosion - resistance, wearability, economic efficiency and life cycle, so its beneficial to develop aluminum/steel conductor rail, and extend its use in our country.
介绍了国外轨道交通用于第三轨供电的钢铝复合导电轨的性能和使用情况。
补充资料：导轨磨床
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主要参数内容 | 国际先进 | 国内先进 | 国内一般 | 国内落后 | 评定方法及说明 | ||
（一）加工精度（mm） | 参照GB5288-84、ISO4703-1984 | ||||||
试件装夹总长度 | |||||||
1、2000mm | ＜0.01 | 0.01 | 0.01 | ＞0.01 | |||
2、2000~5000mm | ＜0.015 | 0.015 | 0.015 | ＞0.015 | |||
3、5000~8000mm | ＜0.02 | 0.02 | 0.02 | ＞0.02 | |||
4、8000mm以上 | ＜0.025 | 0.025 | 0.025 | ＞0.025 | |||
（二）自动化程度 | |||||||
数控装置 | 有 | 有 | 无 | 无 | |||
（三）噪声dB（A） | ≤80 | 80~81 | 82~83 | ＞83 | |||
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条