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How to choose angle when stretching bolting cloth

Stretching bolting cloth (screen printing mesh) is quite important for printing. So how should we choose the angle when Stretching bolting cloth in order to make the best use of bolting cloth (screen printing mesh)? Let’s find out in this passage.

The angle of the stretcher refers to the angle between the warp and weft (wire) of the screen and the side of the frame.

There are two forms of stretch nets, one is a stretch net and the other is a diagonal stretch net. The two methods of stretching the net are described separately below.

The positive stretch net is that the warp and weft of the screen are parallel and perpendicular to the four sides of the frame. That is, the warp, weft and the frame edge are 90 degrees.

The skewed stretch net means that the warp and weft of the screen are at an angle to the four sides of the frame. The use of the stretch net form of the stretch net is more convenient to operate, and the mesh scrap can be saved by fully utilizing the screen. Reduce the waste of wire mesh. However, in the case of color printing, this type of stretch screen is prone to moiré, so the color printing does not generally use a stretch net. The use of oblique meshing is beneficial to improve the printing quality and has a certain effect on increasing the leakage of ink. The disadvantage is that the screen waste is large. In the printing precision requirements and color printing, the choice of the angle of the stretch screen has a direct impact on the printing quality. If the angle of the mesh is not suitable, the moiré will appear. Therefore, for half-copy printing, the angle of the stretch screen is usually 20 degrees - 35 degrees. When printing high-resolution circuit boards, because the mesh size is higher, the angle of the mesh is 45 degrees. Suitable for. In the actual stretching of the net, in order to reduce the waste of the screen, generally copying the printed matter often uses a positive stretch net.

Hope the passage is helpful for you when stretching bolting cloth.