瓦楞紙箱是由瓦楞紙板經(jīng)模切、壓痕、釘合或膠合而成。它是應(yīng)用非常廣泛的包裝產(chǎn)品之一，其消費(fèi)量一直居各類(lèi)包裝產(chǎn)品之首。瓦楞紙板若發(fā)生變形，將直接影響印刷、模切或開(kāi)槽的質(zhì)量?，F(xiàn)在讓我們有一個(gè)詳細(xì)的了解。

Corrugated box is made of corrugated board by die cutting, indentation, nailing or gluing. It is one of the widely used packaging products, and its consumption has always been the first of all kinds of packaging products. If corrugated board is deformed, it will directly affect the quality of printing, die cutting or slotting. Now let's have a detailed understanding.

瓦楞紙板的變形，大致分為三種：縱拱、橫拱和任意拱。

Corrugated board deformation, roughly divided into three types: longitudinal arch, transverse arch and arbitrary arch.

縱向拱是指沿生產(chǎn)線速度方向產(chǎn)生的拱；橫向拱是指沿瓦楞方向產(chǎn)生的拱；任意拱是指沿任何方向產(chǎn)生的拱。面紙的表面稱(chēng)為正拱，內(nèi)紙的表面稱(chēng)為負(fù)拱，面紙和內(nèi)紙的表面稱(chēng)為正拱和負(fù)拱。
                         

Longitudinal arch refers to the arch generated along the speed direction of the production line; Transverse arch refers to the arch generated along the corrugating direction; Any arch is an arch produced in any direction. The surface of face paper is called positive arch, the surface of inner paper is called negative arch, and the surface of face paper and inner paper is called positive arch and negative arch.

瓦楞紙板變形后，在雙色印刷或多色印刷時(shí)，容易產(chǎn)生套色不準(zhǔn)確、上墨不均、色邊間隙大等問(wèn)題。同時(shí)，它會(huì)使印刷開(kāi)槽機(jī)開(kāi)槽尺寸位移，紙箱上下擺動(dòng)蓋重分或不合縫，模切送料也會(huì)產(chǎn)生卡滯和尺寸位移等缺點(diǎn)，可能導(dǎo)致紙板正面損壞或設(shè)備損壞而被迫停止整理，使送料不便，并造成生產(chǎn)過(guò)程中，紙箱浪費(fèi)增加。

Corrugated board deformation, in two-color printing or multi-color printing, easy to produce color registration is not accurate, uneven ink, color gap and other issues. At the same time, it will make the printing slotting machine slotting size displacement, carton up and down swing cover re split or not seam, die-cutting feeding will also produce stagnation and size displacement and other shortcomings, may lead to cardboard front damage or equipment damage and forced to stop finishing, so that feeding inconvenience, and cause production process, carton waste increase.

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