The manufacturing dimension of carton packaging is the blanking dimension during carton making, and the manufacturing dimension is based on the pressing line on the expansion box blank. The indentation roller on the slitter presses out a groove at the line pressing position. The line pressing is the middle line of the groove, and the distance between the two lines is the manufacturing size. Converting manufacturing dimensions to internal and external dimensions is a quick fix, but they also have their own measurement methods.

在制造過(guò)程中，紙箱包裝可分為單拼接和雙拼接：?jiǎn)纹唇邮且豁?yè)成型箱，一般用于周長(zhǎng)較小的產(chǎn)品；雙拼接也稱(chēng)為兩頁(yè)箱。有些產(chǎn)品的周長(zhǎng)太大，需要用兩個(gè)盒子拼接一個(gè)。然而，有時(shí)制造商會(huì)用兩片拼接一個(gè)不太大的紙箱，以利用生產(chǎn)過(guò)程中切割的剩余材料，有時(shí)用四片拼接。與一頁(yè)箱相比，兩頁(yè)箱有一個(gè)接頭，因此兩者的面積計(jì)算有一些細(xì)微的差異。

In the manufacturing process, carton packaging can be divided into single splicing and double splicing: single splicing is a one page shaped box, which is generally used for products with small perimeter; Double splicing is also called a two page box. The perimeter of some products is too large, and two boxes need to be used to splice one. However, sometimes the manufacturer will use two pieces to splice a small carton to make use of the remaining materials cut in the production process, and sometimes use four pieces to splice. Compared with one page box, two page boxes have a joint, so there are some slight differences in the area calculation between the two.

根據(jù)瓦楞層數(shù)和生產(chǎn)工藝水平確定產(chǎn)品接頭的制造尺寸，單瓦楞紙板35-40mm，雙瓦楞紙板45-50mm，三瓦楞紙板50mm。

The manufacturing size of the product joint is determined according to the number of corrugated layers and the production process level. The single corrugated board is 35-40mm, the double corrugated board is 45-50mm, and the three corrugated board is 50mm.

在計(jì)算紙箱包裝的展開(kāi)面積時(shí)，需要考慮制造過(guò)程中回絲的損耗，回絲的尺寸需要根據(jù)紙板的層數(shù)來(lái)確定。一般來(lái)說(shuō)是20-40毫米。在實(shí)際工作中，為了便于計(jì)算，我們采用了8加4的統(tǒng)一規(guī)則，即水平接頭和回絲的總和定為8厘米，縱向回絲的總和定為4厘米，即需要計(jì)算的總尺寸。

When calculating the unfolding area of carton packaging, the loss of return wire in the manufacturing process should be considered, and the size of return wire should be determined according to the number of layers of cardboard. Generally speaking, it is 20-40 mm. In practice, in order to facilitate the calculation, we adopted the unified rule of 8 plus 4, that is, the sum of the horizontal joint and the return wire is determined to be 8 cm, and the sum of the longitudinal return wire is determined to be 4 cm, that is, the total size to be calculated.

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