Weller_Coping_with_Lead_Free.pdf

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Soldering tips & Lifetime Issues
Coping with Lead-Free
Soldering Tips & Lifetime Issues
“Coping with Lead Free”
© 2007; Cooper Industries, Ltd.
Soldering tips & Lifetime issues
Coping with Lead-free
Content
Why are we here?
To make sales and marketing personnel more valuable to their customer
by providing some basic knowledge to them about lead-free solder and it’s
effect on tip life and hand soldering applications.
© 2007; Cooper Industries, Ltd.
Soldering tips & Lifetime issues
Coping with Lead-free
What affects Tip Life?
Tip construction
Iron plating thickness
Solder alloys
Tip temperatures
Fluxes
Operator habits
© 2007; Cooper Industries, Ltd.
Soldering tips & Lifetime issues
Coping with Lead-free
Tip Construction
How is a tip constructed?
What’s the Architecture of a Soldering Tip?
What does Wettable Area of the Soldering Tip mean?
© 2007; Cooper Industries, Ltd.
Soldering tips & Lifetime issues
Coping with Lead-free
Architecture of a Soldering Tip
•
Copper Core
Responsible for the high heat conductivity of the
soldering tip.
Iron Layer
Responsible for high wear resistance.
Chromium Layer
Responsible for confining the wettable area.
Tinned Working Area
Responsible for the wettability of the soldering tip.
Lead-free Tinning
Responsible for proper wettability from the
beginning of usage when brand new.
•
Copper
•
•
•
Chromium
plating
Wettable
area
Fe
Cross Section
LTC tip
© 2007; Cooper Industries, Ltd.

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