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The size and thickness of SMT stencil Written by HC AUTOMATOIN / Read 67 times

The size of SMT stencil

The size of SMT stencil for manual printing

The size of SMT stencil for semi-auto and full-auto printing

300*400mm  420*520mm  370*470mm

520*520mm  500*600mm  550*650mm  584*584mm  736*736mm

They are suitable for semi-automatic solder paste printers and are not applied to full-automatic solder paste printers

 

 

The thickness of SMT stencil

SMT solder paste printing process

SMT Red glue process

0.08mm  0.1mm  0.12mm  0.13mm

0.15mm  0.18mm  0.2mm  0.25mm

0.15mm  0.18mm  0.2mm  0.25mm 

 

Advice for the SMT stencil opening

 

1.The size of the SMT stencil should first be determined according to the size of the PCB , and secondly according to the pin density of the components. The surface of the PCB is mounted with IC that with a pitch of ≤0.5mm. It is recommended to set up a stencil with a fully automatic printing size, because the larger the stencil, the better the tension and the better the snap-off effect.

 

2. The thickness of the SMT stencil should be determined according to the layout of the PCB surface components and the densest IC spacing. For IC below 0.5 and most of 0402 materials, it is recommended to open a stencil with a thickness of 0.1mm, and for IC above 0.5mm and most of 0603 materials, it is recommended to open a stencil with a thickness of 0.12mm.