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What should I pay attention to when choosing the frame of the screen printing mesh?

What should I pay attention to when choosing the frame of the screen printing mesh?

What materials are used in the frame? What are the characteristics of these materials?

The materials used in the production of the frame are mainly wood, hollow aluminum profiles, cast aluminum frames, steel and other materials. The most commonly used frame is made of aluminum profiles. However, various screen printing mesh frames have their own characteristics. When selecting, the mesh frames of different materials can be selected according to different situations, which are sequentially introduced below.

1 wooden frame has the characteristics of simple production, light weight, convenient operation, low price and simple method of stretching. This frame is suitable for manual printing. However, the frame of the wooden material is poor in solvent resistance and water resistance, and is easily deformed after water immersion, which may affect printing accuracy. This kind of frame has been widely used in the past and is rarely used now.

2 hollow aluminum profile mesh frame and cast aluminum forming frame, which has the advantages of light operation, high strength of frame, firm and not easy to deform, strong solvent resistance and water resistance, and beautiful appearance.

3 suitable for mechanical printing and manual printing.

The steel mesh frame has the characteristics of firmness, high strength, good solvent resistance and water resistance, but it has the disadvantages of being cumbersome and inconvenient to operate, so the use range is small.What are the conditions for selecting a frame?

The frame is one of the important materials for making screen plates. The choice of frame selection has a direct impact on plate quality and print quality. In order to ensure plate making, print quality and other requirements, the frame can be selected according to the following conditions.

1 The frame must have a certain strength. Because of the tension, the screen produces a certain amount of tension and pressure on the frame. This requires the frame to withstand pressure, can not produce deformation, and maintain the frame size accuracy.

2 Under the condition of ensuring the strength, the frame should be as light as possible, which is convenient for operation and use.

3 The mesh frame and the mesh bonding surface should have a certain roughness to strengthen the adhesion between the wire mesh and the mesh frame.

4 frame is rugged. The frame is often in contact with water and solvent during use, and is affected by temperature changes. This requires that the frame does not be skewed to ensure repeated use of the frame. This reduces waste and reduces costs.

5 In the production, different specifications of the net frame should be configured. When using, the appropriate frame can be determined according to the size of the printing size, which can be wasteful and easy to operate.


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