钣金加工机箱机柜时，我们都知道现在的客户对机箱机柜的要求很高，对于外观的要求也很严格，其实这外观不仅仅关系到美观的问题，它也直接的反应了产品的质量，同时也对日后的使用有着很大的作用。对于机箱机柜外观重要性不言而喻，为了避免外观影响产品质量，在生产制作时，一定要仔细，对于外观上有问题时，一定要及时的补救，甚是淘汰。

When sheet metal processing chassis and cabinets, we all know that customers nowadays have high requirements for chassis and cabinets, as well as strict requirements for appearance. In fact, this appearance is not only related to aesthetics, but also directly reflects the quality of the product, and also has a great impact on future use. The importance of the appearance of the chassis and cabinet is self-evident. In order to avoid the impact of appearance on product quality, careful production is necessary. If there are any problems with the appearance, timely remedies or even elimination are necessary.

方法/步骤

Method/Steps

下料：下料方式有各种，主要有以下几种方式

Cutting: There are various cutting methods, mainly including the following

①. 剪床：是利用剪床剪切条料简单料件，它主要是为模具落料成形准备加工，成本低，精度低于0.2，但只能加工无孔无切角的条料或块料。

①.  Scissor bed: It is a machine that uses a shearing machine to cut simple pieces of material. It is mainly used for preparing and processing the mold for material cutting and forming, with low cost and accuracy below 0.2. However, it can only process strip or block materials without holes or cutting corners.

②. 冲床：是利用冲床分一步或多步在板材上将零件展开后的平板件冲裁成形各种形状料件，其优点是耗费工时短，效率高，精度高，成本低，适用大批量生产，但要设计模具。

②.  Punching machine: It is a type of machine that uses a punching machine to unfold parts in one or more steps on a sheet metal to form various shaped parts. Its advantages include short working hours, high efficiency, high accuracy, low cost, and suitability for mass production, but mold design is required.

③. NC数控下料，NC下料时要编写数控加工程式，利用编程软件，将绘制的展开图编写成NC数拉加工机床可识别的程式，让其根据这些程式一步一刀在平板上冲裁各构形状平板件，但其结构 受刀具结构所，成本低，精度于0.15。

③.  NC numerical control cutting, when NC cutting, the first step is to write a numerical control machining program. Using programming software, the unfolded diagram is written into a program that can be recognized by the NC numerical drawing machine tool. Based on these programs, each structure of the flat part is punched step by step on the flat plate. However, its structure is affected by the tool structure, and the cost is low, with an accuracy of 0.15.

④. 镭射下料，是利用激光切割方式，在大平板上将其平板的结构形状切割出来，同NC下料一样需编写镭射程式，它可下各种复杂形状的平板件，成本高，精度于0.1。

④.  Laser cutting is the use of laser cutting methods to cut the structural shape of a large flat plate. Similar to NC cutting, laser programs need to be written. It can cut various complex shaped flat pieces with high cost and accuracy of 0.1.

⑤. 锯床：主要用下铝型材、方管、图管、圆棒料之类，成本低，精度低。

⑤.  Sawing machine: mainly used for aluminum profiles, square tubes, drawing tubes, round bar materials, etc., with low cost and low accuracy.

钣金加工机箱机柜是要注意：1、机箱机柜表面的涂层一定要均匀，无流挂、露底现象。2、标识要齐全、清晰，并且耐久可靠，标注序号不可缺失。3、机箱机柜的每个面板都要平整，没有扭曲、变形的现象，柜门上的开孔要均匀、整齐。4、尺寸要符合要求，误差不可过大。 机箱机柜品质差异所存在的差异因素，机箱机柜由于厂家的工艺不同，材质选用不同，在加上市场的需求不同，其品质也是千差万别，因为不同层次的需求，机箱机柜也体现出了不同的类型，但是无论差多少，都是有原因的。钣金加工机箱机柜的品质不同，那个层次的产品都存在市场中，通常技术人员在选料时，并不一定是看中，它只是其中的一部分原因，非全部，对于技术人员而言，他们更看重的是材料本身是否达标，对于机箱机柜的制作，一般是选用钢制材料，这种材质因为特殊的原因也有可能生锈，在选购物料多时，也许并不能一个个检查过来，可能在这些生产材料当中夹杂着一些有瑕疵的原料。

Attention should be paid to sheet metal processing of chassis and cabinets: 1. The coating on the surface of the chassis and cabinets must be uniform, without any sagging or exposed bottom. 2. The identification should be complete, clear, durable and reliable, and the serial number should not be missing. 3. Each panel of the chassis cabinet should be flat, without any distortion or deformation, and the openings on the cabinet door should be even and neat. 4. The size should meet the requirements and the error should not be too large. The differences in the quality of chassis and cabinets are due to the different manufacturing processes and material choices of manufacturers, as well as the varying market demands. As a result, the quality of chassis and cabinets varies greatly. Different levels of demand reflect different types of chassis and cabinets, but no matter how much difference, there is a reason for it. The quality of sheet metal processing chassis and cabinets varies, and products at that level exist in the market. Usually, technicians do not necessarily value the price when selecting materials. It is only a part of the reason, not the whole. For technicians, they value more whether the materials themselves meet the standards. For the production of chassis and cabinets, steel materials are generally used, which may rust due to special reasons. When selecting a large number of materials, it may not be possible to inspect them one by one, and there may be some defective raw materials mixed in these production materials.

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