Zhongxiang steel mesh custom processing

The stencil is also a template ( ). It is a special mold. Its main function is to help the deposition of solder paste. The purpose is to transfer the accurate amount of solder paste to the accurate position on the air.
Development of technology Steel mesh (template) is also used in glue technology.
There are mainly the following factors that will affect the quality of the steel mesh
and the production process
We have discussed the production process of the steel mesh before. We can know that the best process should be laser cutting. Do electropolishing. Both chemical etching and electroforming have processes that are prone to errors such as film making, exposure, and development, and electroforming is also affected by uneven substrates.
, Materials used
Including screen frame, wire mesh, steel sheet, adhesive glue, etc. The screen frame must be able to withstand a certain amount of relay and have good levelness. It is best to use polyester mesh for the screen, which can maintain stable tension for a long time. It is best to use steel sheets, and matte ones are more conducive to tin than mirror ones. Paste (glue) rolling adhesive must be strong enough and able to withstand certain corrosion.
, Opening design
The quality of the opening design has the greatest impact on the quality of the steel mesh. As discussed earlier, the opening design should consider the manufacturing process, width-to-thickness ratio, area ratio, experience value, etc.
, Production data
The completeness of the production data will also affect the quality of the steel mesh. The more complete the information, the better. At the same time, when data coexist, it should be clear which one shall prevail. Also, generally speaking, using data files to make stencils can reduce errors as much as possible.
, How to use
Correct printing methods can maintain the quality of the stencil. On the contrary, incorrect printing methods, such as excessive pressure, uneven stencils during printing, etc., will cause the stencil to be damaged. damage.
, Cleaning
Solder paste (glue) is relatively easy to solidify. If it is not cleaned in time, it will block the opening of the stencil, making the next printing difficult. Therefore, the stencil should be cleaned in time after it is removed from the machine or if solder paste is not printed on the printing press for a few hours.
, Storage
Steel mesh should be stored in a specific place and cannot be placed randomly. This can avoid accidental damage to the steel mesh. At the same time, do not stack steel mesh on top of each other, as this will make it difficult to hold and may bend the mesh frame.
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