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環境溫度和模切刀精度對熱熔膠不干膠材料模切的影響
作者:admin 來源:http://fashionalized.com 發布時間:2019-7-11 15:48:16 瀏覽次數:227
印刷廠家應該都遇到過熱熔膠不干膠材料模切方面的問題:模切后排廢時出現不規則掉標現象,而現場同時使用的另一家供應商的不干膠材料,也是熱熔膠的材料,卻模切正常,沒有出現排廢掉標現象。濟南宣傳單頁印刷記錄下這種想象發生的原因與大家一起分享,希望可以幫到大家!
Printers should all encounter problems in die-cutting of superheated melt adhesives: irregular off-label phenomenon occurs when waste is discharged after die-cutting, while dry adhesives from another supplier are also hot-melt adhesives used at the same time, but die-cutting is normal and there is no phenomenon of discharging off-label. Jinan promotional leaflet printing records the reasons for this imagination to share with you, I hope to help you!
1.黏度
1. Viscosity
由于不干膠材料涂膠量大,模切就困難,出現問題的幾率就大。
Because of the large amount of glue on the adhesive material, die cutting is difficult and the probability of problems is high.
2.劑種類
2. Category of agents
不同的黏合劑,成分不一樣,內應力不同,模切特性也會不一樣。一些高檔的熱熔膠材料,模切特性接近乳劑膠(水膠),基本沒有模切問題;而一些低檔、便宜的熱熔膠材料,模切經常出現問題。

Different adhesives have different compositions, different internal stresses and different die-cutting characteristics. Some high-grade hot-melt adhesives have similar die-cutting characteristics to latex (hydrogel), and there are no die-cutting problems. However, some low-grade and cheap hot-melt adhesives often have problems in die-cutting.

濟南宣傳單頁印刷

3.厚度
3. Thickness
模切刀的尺寸精度是根據底紙的厚度確定的,所以,底紙的厚度決定了模切的精度。
The dimension accuracy of die cutter is determined by the thickness of base paper, so the thickness of base paper determines the accuracy of die cutting.
4.溫度
4. Temperature
當車間溫度為8℃時,模切掉標明顯,浪費很大;當溫度上升到16℃時,模切掉標現象明顯改善,但仍有10%~20%的掉標。這種現象說明模切掉標同溫度有關,同環境條件有關。
When the workshop temperature is 8 C, the standard-cutting is obvious and wasteful; when the temperature rises to 16 C, the phenomenon of standard-cutting is obviously improved, but there are still 10%-20% of the standard-dropping. This phenomenon shows that die cutting standard is related to temperature and environmental conditions.
5.刀精度
5. Knife Accuracy
模切時掉標說明黏合劑層存在沒有完全切透、切斷的地方,黏合劑沒有切透是造成掉標的原因之一。由于模切刀輥是走肩鐵的,不能大幅度調整,只能微調,在模切壓力已到更大這種狀態下,模切裝置只能更換新的模切刀片,才能解決黏合劑不能完全切透的問題。
Label dropping during die cutting indicates that there is a place where the adhesive layer is not completely cut through and cut off. Lack of cutting through of the adhesive is one of the reasons for the mark dropping. Because the die cutter roll is shoulder iron, it can not be adjusted by a large margin, and can only be fine-tuned. Under the condition that the die cutting pressure has reached its maximum, the die cutting device can only replace the new die cutter blade to solve the problem that the adhesive can not be completely cut through.
不知道今天由濟南宣傳單頁印刷的小編整理的內容是否對大家有所幫助呢?!如果大家有任何想要補充的,歡迎大家到我們的官網:http://fashionalized.com 留言評論!
I don't know if the small edition of the contents printed on Jinan's promotional leaflets today will be helpful to you all?! If you have anything to add, welcome to our website: http://fashionalized.com comments!