Rongcheng Wujia Plastic Co.,Ltd
Tel:+8615098125996
peter@wujiapack.com
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Rongcheng Wujia Plastic Co.,Ltd

Office Address: 81 Huize St, Heyang East Road, Rongcheng, Shandong, China

Factory Address: 81 Huize St, Heyang East Road, Rongcheng, Shandong, China

Contacts: PETER WU

Phone: 86-15098125996

Fax: 86-0631-7584439

E-mail: peter@wujiapack.com

Zip code: 264300

News

Ziplock Bag Most Prone To Failure

Rongcheng Wujia Plastic Co.,Ltd | Updated: Jun 08, 2017

  Ziplock Bag most prone to failure

  The bag produces a bend

  1, the balance between film tension and chain tension is not good.

  (1) Adjust the roller tension is too weak.

  (2) The brake of the zipper belt is too tight.

  (3) The slide of the zipper belt is not good.

  (4) The slot of the zipper plate is too narrow.

  (5) The slide of the zipper plate is not good.

  (6) The film is not good for sliding on the inclined plate/m board.

  2,Ziplock Bag the temperature of the zipper heat seal is too high.

  3, zipper under the rubber roll tension adjustment roller tension.

  Local hot sealing of zipper belt

  1, Zipper hot sealing board mixed with foreign bodies (polyethylene residue, dust).

  2, the zipper frame part installs the Teflon surface to have the breakage or has the foreign body.

  3, the Teflon surface of the zipper plate has a breakage or a foreign body.

  4, the zipper plate has local breakage or deformation.

  Either end of the heat seal part of the zipper belt is not thermally sealed or the heat seal strength is very weak.

  1, the thickness of the zipper belt is not suitable.

  2,Ziplock Bag the position and the belt of the zipper heat Seal board are not aligned.

  Weld of the Zipper anastomosis

  1, zipper heat sealing temperature is too high.

  2, the position of the zipper heat seal is offset, and the anastomosis area is pressed.

  3, the waiting time is too long to be affected by preheating.

  There is no problem with the elastic adjustment roller, but there is deviation in the side and pattern of the zipper frame.

  1, the position of the zipper plate is too low, the lower side of the film with the lower side of the heat seal, the cooling plate friction. or affected by preheating of the lower side of the heat seal.

  2, zipper lower side rubber roller not very good clamping film, so that the film slipping.

  3, the position of the upper side of the rubber roll under the zipper is not set.

  4, elastic adjustment roller tension too small.


Rongcheng Wujia Plastic Co.,Ltd