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SMT pcb stencil design guideline

We designed and manufactured auto insertion machine,SMT equipment, and providing spare parts support .

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SMT pcb stencil design guideline

  1. 1. www.smthelp.com SMT PCB — CAD Data
  2. 2. www.smthelp.com Stretching of PCB Correcting this Effect by Fiducial Tolerance
  3. 3. www.smthelp.com Deflection of PCB — Max 1% Diagonal Overcome this Effect by Over Top Clamping
  4. 4. www.smthelp.com Sequence of Paste Release Fill the Stencil Deposit Final Condition Separate with Definite Seperation Speed End of Separation Process
  5. 5. www.smthelp.com Main Variables for Paste Transfer
  6. 6. www.smthelp.com Main Variables for Paste Transfer
  7. 7. www.smthelp.com Rules for Stencil Design Parameter: Stencil Thickness / Stencil Opening Area Ratio Surface Area of Stencil Opening / Surface Area of the Stencil Inner Walls
  8. 8. www.smthelp.com Rules for Stencil Design Example : 0201 Components
  9. 9. www.smthelp.com Rules for Stencil Design
  10. 10. www.smthelp.com Rules for Stencil Design
  11. 11. www.smthelp.com Rectangular — Round
  12. 12. www.smthelp.com Automatic Screen Printer SP-1008
  13. 13. www.smthelp.com Welcome inquiry 1,Please visit : www.smthelp.com 2, Find us more: https://www.facebook.com/autoinsertion 3, Know more our team: https://cn.linkedin.com/in/smtsupplier 4, Welcome to our factory in Shenzhen China 5, Looking forward to your email: jasonwu@smthelp.com

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