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By Ginkgoem | 17 February 2021 | 0 Comments

How should I choose the nozzle of the placement machine?

How should I choose the nozzle of the placement machine?
1. Choose the material of the nozzle of the placement machine:
  A. Tungsten steel nozzle: The tungsten steel nozzle is strong and durable, but it is easy to turn white. SMT newcomers can choose the tungsten steel nozzle. If it becomes white, use an oil-based pen to paint, and you can continue to use it.
  B. Ceramic nozzle: The ceramic nozzle is never white, but it is brittle and easy to break. Careful use can avoid or reduce the occurrence of breakage.
  C. Diamond steel nozzle: sturdy, easy to use, never whitish, but very expensive and not cost-effective.
       D. Plastic nozzle: When the surface of the material is uneven or the material is sticky, it is suitable to choose the plastic nozzle, but the life of the plastic nozzle is not long. It is recommended to buy more plastic nozzles for spare when ordering the plastic nozzle. When the nozzle tip is worn out, you can directly replace the glue nozzle tip yourself.
  2, select the size of the nozzle of the placement machine:
For standard materials, the nozzle specifications are basically fixed. Take JUKI SM as an example. 0805 materials correspond to CN065 nozzles, 0603 materials correspond to CN040 ​​nozzles, etc. When some materials are not big or small, and have strange shapes, You need to customize the nozzle.
  3. Choose through the nozzle shape of the placement machine:
  The nozzle shape has square hole, round through, V groove, etc. Custom-made nozzles generally choose flat suction points according to the shape of the material. Some are made as elongated nozzles, and the grooves that extend the material are used for suction. Some are made into a back shape according to the edge of the material, and some are two-sided. Use a flat surface at the end and build a bridge if the middle is uneven. Some materials are sticky and are not easy to discharge, so some grooves should be made in the nozzle wall or made into rubber heads.
     As a professional SMT manufacturer and seller, Ginkgoem provides a complete series of equipment for reflow soldering machines, placement machines, and solder paste printing machines. Welcome to consult with SMT requirements.


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