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              PLC企業資訊
                561-1039A
                發布者:gw0002  發布時間:2018-09-05 10:06:57

                561-1039A

                561-1039A

                561-1039A


                《聯系人;歐先生》
                《座機:0592-5709825》
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                《QQ  :2479261344》
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                半自動吹膜機實現工藝流程:
                1、輸入設定袋重、袋長,袋寬,袋厚。
                2、點擊顯示屏上的“自動/手動”按鈕,將系統運行狀態切換為“手動運行”狀態。
                3、調整牽引電機變頻器到適合拔膜的頻率,在參數設置畫面“給料變頻器”方框中輸入生產工藝需要的給料頻率經驗值,啟動給料電機和牽引電機,開始拔膜。
                4、拔膜完畢后,等待監控畫面的“實際袋重”“實際袋厚”顯示值穩定后,點擊顯示屏上的“自動/手動”按鈕,將系統運行狀態切換為“自動運行”狀態。
                5、待膜穩定十分鐘左右,取樣袋稱量所生產薄膜的重量以及測量薄膜的的厚度或稱量其米重。
                6、若取樣參數或實測米重符合生產規格則可跳過此步,否則點選參數設置中的重量修正值,當實際袋重大于設定袋重時可適當增加修正值,反之則減小修正值,一般經過一到兩次的修正,實際生產袋重符合生產需求(一般只有第一次啟動控制器的時候才需要調整重量修正值)。
                7、進入正常的自動生產,觀察監控畫面實時監控的參數數據是否異常,注意在自動生產的過程中發出的缺料報警,換網報警,卷長換卷,卷長停機報警以保證自動控制膜重膜厚的質量。

                三、 項目總結

                1. 方案的優點

                目前吹膜機的方案有:
                (1)手動調速方案
                ①手動調速是設定變頻器固定速度進行控制,無反饋調節,在外部有干擾的情況會影響莫的厚度;吹膜機控制器方案帶有反饋調節,實時調節變頻器的速度來控制膜的厚度,在外部有干擾的情況下,能跟蹤調節膜的厚度控制。
                ②在需要更改膜的規格時,手動調速方案需要手動更改變頻器的速度,吹膜機控制器方案只需要修改膜的參數規格,系統自動調節控制膜的厚度;
                (2)單片機米克重方案
                ①吹膜機控制器方案比單片機方案,在修改使用功能方面更為方便,需要增設附加功能,吹膜機控制器方案更為靈活性。

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