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YAMAHA YSP PICK&PLACE machine

YAMAHA YSP PICK&PLACE machine
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How to choose the best printer machine?

The first step in the PCB smt assembly process is to use an SMT printer machine for solder paste printing on pcb stencil. Usually, SMT printer refers to solder paste printer machine or solder printer. It is also called an SMT stencil printer. The SMT printer machine generally has three crucial elements: mesh/steel plate, printing material, and squeegee.  



1. Selection of steel plate for SMT printer machine


Thickness: The thickness of the metal sheet determines the thickness of the solder paste printed by the SMT stencil printer


Etched steel plate: you must pay attention to whether there is over-etching or under-etching


Laser opening: The roughness and burrs of the hole wall will affect the problem of the solder paste staying on the hole wall during the solder paste printer is demolding. More suitable for parts below 0.65mm pitch.


Tension: Check whether the tension of the steel plate on the frame is sufficient and flat.


Opening size and shape: Well-planned opening shape and size control will help welding quality after solder paste printer printing. For example the avoidance of empty soldering, short circuit, tin bead, and other problems.


Steel plate surface: Moderate roughness will help the solder paste roll effectively on the steel plate.


2. Selection of printing materials for SMT printer


a. Solder paste: Most flow soldering operations use a solder paste printing machine. The solder paste is a material mainly made of tin-lead particles mixed with flux in a certain proportion. When the solder printer heats the temperature to higher than the tin-lead alloy point, the solder particles melt to form a solder joint. 


b. Adhesive material: It is mainly used for wave welding, but it is also used to prevent parts from wandering with Reflow or fixing when the pick-and-place machine is shaking at high speed. The curing method and different materials are divided into solder paste printer printing and dispensing.


c. Scraper: The squeegee is the executor of the SMT printer machine. It pushes the printing material on the surface of the pcb stencil to complete the printing operation through the opening of the pcb stencil by rolling and squeezing.


3. The printing method of smt printer machine

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  • Stock: In Stock
  • Model: yamaha ysp printer machine
  • Weight: 1,600.00kg
  • Dimensions: 164.00cm x 164.00cm x 140.00cm