By continuing to use this site, you agree to our use of cookies. Find out more
Forum sponsored by:
Forum sponsored by Allendale Jan 24th

Weller Soldering Iron tips

PT Series

All Topics | Latest Posts

Search for:  in Thread Title in  
Greensands26/02/2021 15:39:07
193 forum posts
27 photos

Can anyone tell me what is special about the Weller PT Series soldering iron tips. They do not appear to be made from copper and have a plug at the end which carries a type number

Anthony Kendall26/02/2021 15:55:38
102 forum posts

From memory they work on the curie point tocontrol temperature and are therefore magnetic.

Curie point, also called Curie Temperature, temperature at which certain magnetic materials undergo a sharp change in their magnetic properties.

Martin Kyte26/02/2021 16:11:56
2313 forum posts
38 photos

Iron clad copper so they don't dissolve in the flux.

As stated above they are magnetic which holds the relay in when under temperature. On reaching the Curie point the field drops and switches the heater off.

My new Weller double iron goes to sleep when no motion is detected and the tips last for ages. The only issue I have is soldering surface mount stuff when there is very little movement going on and iron goes to sleep. All of a sudden there is no heat and you have to wave your hand around.

regards Martin

Tony Ray26/02/2021 16:19:22
177 forum posts
43 photos

Hi the number indicates the heat range, 7 is common 8 iirc is hotter

Simon Williams 326/02/2021 16:44:24
582 forum posts
80 photos

If you append two zeros onto the number stamped on the end you get the nominal temperature in fahrenheit to which the temperature control operates.

So 7 - 700F = fairly normal for 60/40 solder or its more modern lead free equivalent

8 = 800F = blooming hot

All Topics | Latest Posts

Please login to post a reply.

Magazine Locator

Want the latest issue of Model Engineer or Model Engineers' Workshop? Use our magazine locator links to find your nearest stockist!

Find Model Engineer & Model Engineers' Workshop

Latest Forum Posts
Support Our Partners
JD Metals
Eccentric July 5 2018
Eccentric Engineering
Subscription Offer

Latest "For Sale" Ads
Latest "Wanted" Ads
Get In Touch!

Do you want to contact the Model Engineer and Model Engineers' Workshop team?

You can contact us by phone, mail or email about the magazines including becoming a contributor, submitting reader's letters or making queries about articles. You can also get in touch about this website, advertising or other general issues.

Click THIS LINK for full contact details.

For subscription issues please see THIS LINK.

Digital Back Issues

Social Media online

'Like' us on Facebook
Follow us on Facebook

Follow us on Twitter
 Twitter Logo

Pin us on Pinterest