The defects and solutions of conventional foam

The defects and solutions of KONLIDA conventional foam

Wire drawing, strain, leaking glue, joints, glue deviation, dents, creases, poor raw materials, blasting, deep cut or broken handles, lack of glue or stacking, MYLAR inside the product, small frame not cut, wide glue The glue is narrow.

一. Poor size

The defects of AIR LOOP are basically the same as ordinary foam and small hollow D-shaped foam, but the reasons for the defects are different due to different processes.

KONLIDA addresses these problems: It is proposed that such products do not require hot-melt forming, so they cannot twitch without the lining core, the surface fades, the product is hollow, and other abnormalities. The specific different exceptions are as follows

KONLIDA's preventive solution: Kanglida fills the product with complete foam as a lining core to avoid deformation; Kanglida carefully selects materials to improve the defects.

二.The glue is wide and the glue is narrow

Both large glue and small glue will have the problem of wide glue and narrow glue:

The cause is due to the deviation of the material belt during the attachment or die-cutting process.

KONLIDA's preventive solution: provide professional technical training for operators, and distinguish the handling of adjustment materials.

三, The small frame is not cut through

1. Die adjustment is not in place during die cutting, resulting in insufficient cutting depth

2. The blade of the die is blunt and damaged or the depth of the die itself is not enough, resulting in continuous

KONLIDA preventive solution:

1. Adjust the depth of the die

2. Check whether the blade is damaged

3. Whether there is waste in the knife room

四, The internal MYLAR of the product falls off or is defective

MYlAR fall off and prevention solutions:

1. Is the adhesion between MYALR and conductive cloth abnormal?

2. Whether the bottom film (protective film) attached to MYAR is too heavy during die-cutting, and whether the viscosity meets the requirements

MYlAR defect:

1. Whether the bottom protective film has broken mylar.

2. Whether the die cutter die is cut through.

五. Lack of glue or pile glue

Because TT219 conductive adhesive is a non-substrate tape, it is easy to cause the phenomenon of lack of glue or pile of glue due to the pulling of the film during use.

Kang Lida preventive solution:

During the dispensing process, the dispensing process is strictly controlled and advanced dispensing equipment is used.

六. Deep cut or break at the handle

At the handle of the product, the shape of the conductive cloth and the matching relationship between the primer, there are heights here,

Therefore, the phenomenon of depth of cut and cut is prone to occur. The original cause of this problem:

1. Adjustment of knife depth

2. The knife height is too high

3. The base film is too thick

KONLIDA preventive solution: strictly adjust the knife depth, strictly control the thickness of the base film, and strengthen the maintenance and maintenance of the machine.

七. Explode

The large hollow D-shaped package joints are usually connected by 2mm small glue

Coupled with the problem of surface stickiness of the conductive cloth, it is easy to explode.

Kang Lida preventive solution

1. Guarantee of the adhesiveness of glue and cloth.

2. The glue width of the small glue should be maximized in the design.

3. In the case of cold weather, ensure the operating temperature.

Publication Date: 7 December, 2021

Category: Konlida

Tags: conventional foam

Authors: conventional foam

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