Profit=sales revenue, cost, tax, and related management expenses. It can be seen that under a certain sales revenue, only by reducing costs, taxes, and related management expenses can profit be increased. Among them, taxes cannot be reduced, and the reduction of related management expenses is achieved through the good operation of the enterprise's quality management system. The article explores the feasibility of improving product profits by reducing costs. Of course, the prerequisite for reducing costs is to maintain the quality level of the product.

成本主要是由原材料成本和制造成本組成，制造成本包括生產(chǎn)設(shè)備成本、生產(chǎn)過(guò)程中人力資源成本等。設(shè)備投資是必須的，工人工資是不能隨意降低的，可見(jiàn)制造成本的降低幅度是有限的，因此只能在降低原材料成本上想辦法，可是，降低原材料成本又不能降低產(chǎn)品質(zhì)量水平，這就必須進(jìn)行技術(shù)革新，尋求新的生產(chǎn)技術(shù)和產(chǎn)品形式。

The cost mainly consists of raw material costs and manufacturing costs, including production equipment costs, human resource costs during the production process, etc. Equipment investment is necessary, and workers' wages cannot be arbitrarily reduced. It can be seen that the reduction in manufacturing costs is limited, so we can only find ways to reduce raw material costs. However, reducing raw material costs cannot lower the level of product quality. Therefore, technological innovation must be carried out to seek new production technologies and product forms.

前面提到，電纜橋架的兩個(gè)重要指標(biāo)：電纜橋架的承載能力應(yīng)滿足工作均布載荷小于額定均布載荷，電纜橋架應(yīng)能適應(yīng)不同的環(huán)境要求和有較長(zhǎng)的使用壽命。因此，應(yīng)該從這兩方面來(lái)考慮如何降低成本。

As mentioned earlier, the two important indicators of cable trays are: the bearing capacity of the cable tray should meet the requirement that the working uniform load is less than the rated uniform load, and the cable tray should be able to adapt to different environmental requirements and have a longer service life. Therefore, we should consider how to reduce costs from these two aspects.

，從電纜橋架的承載能力方面考慮。降低電纜橋架的成本，就是降低所用板材的厚度，如何使電纜橋架選用低厚度板材滿足原有承載能力要求，或選用原有厚度板材滿足更高承載能力要求將是解決這個(gè)問(wèn)題的關(guān)鍵。下面，針對(duì)不同的電纜橋架進(jìn)行具體分析：

Firstly, consider the bearing capacity of the cable tray. To reduce the cost of cable trays, the first step is to reduce the thickness of the plates used. The key to solving this problem is to choose low thickness plates for cable trays to meet the original load-bearing capacity requirements, or to choose original thickness plates to meet higher load-bearing capacity requirements. Below, specific analysis will be conducted for different cable trays:

(1)鋼制電纜橋架。因?yàn)樾筒牡慕Y(jié)構(gòu)強(qiáng)度要高于普通的平面板材，因此可以使用機(jī)拉或壓制工藝，改變電纜橋架的平面板材形狀，以提高強(qiáng)度。例如將電纜橋架主體結(jié)構(gòu)中底板、幫邊、蓋板均采用瓦楞結(jié)構(gòu)，或壓制出類似履帶的塊狀凹凸結(jié)構(gòu)，使電纜橋架的強(qiáng)度增大。同時(shí)散熱面積增大，其構(gòu)造便于透氣和熱交換，也降低了電纜橋架內(nèi)敷設(shè)電纜的能量損耗。該種結(jié)構(gòu)選用低厚度板材即可滿足原有承載能力要求，這將大量降低原材料的使用量。目前，這兩種工藝均有電纜橋架廠家進(jìn)行了嘗試，且都有較好的使用效果。如果沿著這個(gè)方向進(jìn)一步研究，將來(lái)應(yīng)該還會(huì)有更加新型的電纜橋架產(chǎn)生。

(1) Steel cable tray. Because the structural strength of the profile is higher than that of ordinary flat plates, machine drawing or pressing processes can be used to change the shape of the flat plate of the cable tray to improve its strength. For example, the bottom plate, edge, and cover plate in the main structure of the cable tray are all corrugated structures, or a block like concave convex structure similar to a track is pressed to increase the strength of the cable tray. At the same time, the heat dissipation area increases, and its structure facilitates ventilation and heat exchange, while also reducing the energy loss of cables laid inside the cable tray. This structure can meet the original load-bearing capacity requirements by selecting low thickness plates, which will greatly reduce the use of raw materials. At present, both of these processes have been tried by cable tray manufacturers, and both have achieved good results in use. If further research is conducted in this direction, there should be even more new types of cable trays in the future.

另外，對(duì)于內(nèi)敷設(shè)電纜較少、電纜較輕的場(chǎng)所，可以采用鋼網(wǎng)制造替代鋼質(zhì)板材，該種結(jié)構(gòu)裝配靈活，適用于各種安裝情況，便于空氣流通且能有效減少電磁干擾的影響。這種鋼網(wǎng)電纜橋架極大地降低了原材料的使用，有效地控制了原材料成本。

In addition, for places with fewer cables and lighter cables, steel mesh manufacturing can be used instead of steel plates. This structure is flexible in assembly, suitable for various installation situations, convenient for air circulation, and can effectively reduce the impact of electromagnetic interference. This steel mesh cable tray greatly reduces the use of raw materials and effectively controls the cost of raw materials.

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