This standard is applicable to the strength of lamps and diodes or multipole conductors connected to the guide rail system, including the grounding device (type I), the rated current of each conductor shall not exceed 16, the rated voltage between the electrodes of the guide rail system shall not exceed 440V or the ground (m), the conductor providing each rated current shall not exceed 25, and the nominal safe extra low voltage shall not exceed 25V. The rail system provides mechanical support for the lamps. This standard is applicable to the guide rail system for general indoor use, including the guide rail system installed, embedded or hung on the wall and ceiling. These guide rail systems are not intended to be used in places where special circumstances often occur, such as ships, automobiles, etc., or in places where they are not good, such as places where explosion may occur. This standard shall use the combined reference standard gb7000.1. If there is a problem with the imported guide rail, how can it be effectively eliminated?

　　工業(yè)導(dǎo)軌主要由鋼或鑄鐵制成。在長(zhǎng)期的使用過程中，由于兩個(gè)接觸面之間存在不同程度的摩擦，導(dǎo)軌表面會(huì)產(chǎn)生不同程度的劃痕和應(yīng)變，嚴(yán)重影響設(shè)備的加工精度和生產(chǎn)效率。傳統(tǒng)的修補(bǔ)方法通常采用金屬板貼面或更換的方法，但需要大量的精密加工制造和手工刮磨。維修過程多，工期長(zhǎng)。針對(duì)機(jī)床導(dǎo)軌的劃痕和應(yīng)變問題，可以采用高分子復(fù)合材料來解決。由于其優(yōu)異的附著力、抗壓強(qiáng)度、耐油性和耐磨性，該材料可以為構(gòu)件提供長(zhǎng)期的保護(hù)層。只需幾個(gè)小時(shí)就可以修復(fù)導(dǎo)軌損壞的部分并投入使用。與傳統(tǒng)方法相比，操作簡(jiǎn)單，成本低。

　　Industrial rails are mainly made of steel or cast iron. In the long-term use process, due to the existence of different degrees of friction between the two contact surfaces, the surface of the guide rail will produce different degrees of scratches and strains, seriously affecting the processing accuracy and production efficiency of the equipment. The traditional repair method usually uses the method of metal plate veneering or replacement, but it needs a lot of precision manufacturing and manual scraping. There are many maintenance processes and long construction period. In view of the scratch and strain problems of machine tool guide rail, polymer composite material can be used to solve them. Because of its excellent adhesion, compressive strength, oil resistance and wear resistance, the material can provide a long-term protective layer for components. The damaged part of the guide rail can be repaired and put into use in only a few hours. Compared with the traditional method, the operation is simple and the cost is low.

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