整個鋁單板工程項目的鋁單板并不是直接按圖紙一次性生產完備，直接交給施工方。而是一批貨一批貨生產完成后，讓施工的工人安裝完備之后，然后再進行下一批次的生產和加工。這就要求鋁單板加工廠家的產品誤差不能太大，起始的一個很小的誤差，則將會使后來的鋁單板加工面臨數據上的難題，產品易遇到安裝不上的難題，正所謂“失之毫厘，謬以千里”。
The aluminum single board of the whole aluminum sheet project is not directly produced in one time according to the drawings, and is directly handed over to the constructor. But after the production of a batch of goods is completed, the construction workers are fully installed, and then the next batch of production and processing. This requires a product error can not be single aluminum plate processing factory is too large, a very small initial error, it will make the later processing of single aluminum plate facing the problem data, easy installation is not the problem, is the so-called "a difference".
在這方面，整個鋁單板加工行業其實是有相關的國家推薦標準，在這個標準中，對相應的參數規定的非常仔細嚴格。通常鋁單板的尺寸、規格是由厚度、長度、寬度、折邊高度、對角線差等組成。長和寬決定了整個鋁單板的基本形狀，而厚度則可以影響著整個鋁板的性能。
In this regard, the whole aluminum sheet processing industry is actually related to the national recommendation standard. In this standard, the corresponding parameters are carefully and strictly regulated. The size and specification of the aluminum sheet is usually made up of thickness, length, width, height of folded edge, diagonal difference and so on. The length and width determine the basic shape of the whole aluminum sheet, and the thickness can affect the performance of the whole aluminum plate.

無論鋁單板板型如何，厚度上誤差范圍在±0.1mm以內。當鋁單板長寬尺寸小于或等于2000mm的時候，長度和寬度所允許的較大誤差是1mm。長寬尺寸大于2000mm時，長度和寬度的誤差均不能超過1.5mm。
The error range of the thickness is less than 0.1mm, regardless of the aluminum sheet type. When the length and width of an aluminum sheet is less than or equal to 2000mm, the maximum error allowed by the length and width is 1mm. When the length and width are larger than 2000mm, the error of length and width can not exceed 1.5mm.
折邊高度的誤差范圍與鋁單板板面大小沒關系，永遠不能超過0.5mm。而對角線差所允許的誤差范圍是，當鋁單板長度小于等于2000mm時，允許誤差值為2mm；若長度大于2000mm時，誤差值不能超過3mm。
There is no relation between the error range of the height of the folded edge and the size of the plate surface of the aluminum sheet, and can never exceed 0.5mm. The allowable error range of diagonal difference is that when the length of aluminum plate is less than or equal to 2000mm, the allowable error is 2mm. If the length is greater than 2000mm, the error value can't exceed 3mm.
鋁單板的鈑金加工是在生產線上，由技術工人在機器上進行加工制作，由于各種原因，會使得加工出來的鋁單板可能存在一定的誤差，但這個誤差必須控制在一定的范圍之內，否則即為不合格的產品。這些誤差必須盡可能的減小，完全避免的話則更好！無論是鈑金加工，還是噴涂過程，都必須要注意精確性。
Sheet metal processing aluminum single plate is in the production line, by skilled workers in machine production, due to various reasons, the single aluminum plate makes the processing out there may be some error, but this error must be controlled in a certain range, which is otherwise unqualified products. These errors must be reduced as much as possible and better if they are completely avoided! It is necessary to pay attention to accuracy, whether it is sheet metal processing or spraying process.
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I believe that after reading the introduction of this paper, we will have some understanding of the http://www.jzbook123.cn of aluminum coil manufacturer, and we can solve some other problems later.