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印刷廠對模切刀具的選擇

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-09-22 | 423 Views | 🔊 Click to read aloud ❚❚ | Share:
要保證正確模切,模切刀的刀鋒必須切穿不乾膠標簽的面材,但不能破壞底紙上的硅油層,否則會造成標簽高速自動貼標過程中出標困難和底紙斷裂。所以,必須根據不乾膠標簽的面材和底紙來選擇正確的模切刀具。

印刷廠對模切刀具的選擇

要保證正確模切,模切刀的刀鋒必須切穿不乾膠標簽的面材,但不能破壞底紙上的硅油層,否則會造成標簽高速自動貼標過程中出標困難和底紙斷裂。所以,必須根據不乾膠標簽的面材和底紙來選擇正確的模切刀具。

對於面材,主要考慮其材質類型,即是紙張類還是

薄膜類。

模切薄膜類面材的不乾膠標簽時,我們所選擇的模切刀具的刀鋒必須經過硬度處理,如果使用未經處理的模切刀,不僅使用壽命短,而且模切質量也不能保證模切紙張類面材的不乾膠標簽時,由於紙張纖維比較疏松,模切刀具不需要經過特殊的硬度處理。除此之外,刀鋒角度的選擇也是不同的。一般,模切薄膜類面材的不乾膠標簽時,應選擇刀鋒角度在30°~75°的模切刀,而模切紙張類面材的不乾膠標簽時,刀鋒角度一般選擇75°~90°。


在選擇模切刀具
,特別是輪轉模切刀具時,另一個
要重點考慮的因素就是不乾膠標簽的底紙。要根據不同的底紙厚度來確定鐵砧滾筒錶面與刀鋒的距離。一旦選定模切刀具後,鐵砧滾筒錶面與刀鋒之間的距離就確定了,不能通過改變壓力來改變,而只有在這個距離等於不乾膠標簽底紙和硅油層的厚度之和時,才能實現正確模切。

印刷廠對模切刀具的選擇
印刷廠模切刀具的選擇

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