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Inexpensive Way To Try Both Leaded and Lead Free Solder

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Electro Fan:

--- Quote from: redg on May 19, 2021, 08:46:41 pm ---
--- Quote from: gtm on May 19, 2021, 07:34:39 pm ---
--- Quote from: redg on May 19, 2021, 01:05:51 am ---
--- Quote from: tooki on May 19, 2021, 12:21:04 am ---...that end of the cartridges doesn’t get hot. You can grab that end with bare hands right after pulling it out.

--- End quote ---

A JBC U.S. manager demonstrates and explains at 01:57 of this video: JBC CD-1B Soldering Station Overview


--- End quote ---

Careful there. If the cartridge has just been used for an extended period of time (and not just 5 seconds like in the [JBC manager] video), and if you grab it 1 or 2 cm closer to the heater than in the video, where its diameter starts to taper down, then there will be screaming... and blisters. Don't ask me how I know.

This is only likely to happen when picking up a (hot) cartridge from one of the storage holes. JBC cartridges are rather short, and you cannot grab it from the cold end because that part is inside the hole,  so you are left with  about an inch of length of cartridge (that is not blistering hot) to grab from , not much room for error.
The upside is that after you've burned yourself once, your precision at grabbing cartridges will improve markedly, making it highly unlikely that it will happen a second time.

--- End quote ---

I got a chuckle from that. There's nothing like hearing from someone who's speaking from personal experience :)

Just to clarify, Electro Fan, tooki and I were talking about the following video: https://youtu.be/J6gVZpOIs4c

In particular, we were talking about the changeout of tips shown in the screen capture below, and whether the end of the cartridge nearest the pencil holder is hot.

Good warning, though, about cartridges in the storage area a bit further back, where the tip is facing up.



--- End quote ---

My main point from my previous post is that there doesn't seem to be a ton of space in the storage and change out area and it looks like a possible opportunity to get poked by something that might be a little pointy if not hot.  And based on gtm's post I'm not sure that it's all a "complete non-issue."  Overall it looks like a great station but as with any soldering iron or station it's always good to stay alert in general, including during change outs.

redg:
I received the 0.8mm barrel tip this afternoon, specs in the post four up.

JBC has started packaging its cartridges in cardboard pouches rather than plastic tubes. Someone posted a rant about the change on YouTube, but I don't have a problem with it. The pouches are 13cm x 4.5cm (5" x 1.8") and show tip specs on the front. They could be stored in a small box, file box, etc. Nothing to prevent one from storing the cartridges in plastic tubes, either. The cartridges arrive pre-tinned.

Front




Back




C245-790 0.8mm Barrel Cartridge and T245 Cartridge Holder




Cartridge Installed in the Holder

gtm:
Something to keep in mind with the intricate tip geometries like the barrel types, and particularly the 0.8mm one, is how are you going to clean them?. 
If you ever get oxidation or contamination on the inside of the barrel, I don't think the brass curls will reach in there. For this kind of tips it might be better to get a brass brush like this one:[attachimg=1][attach=2]Myself I sawed off the handle and hot glued the brush head to the station.

redg:
It looks like the Lessmann brush in gtm's photo just above is what Lessmann calls a "spark plug brush", with thin brass wire, 0.15mm.

redg:
[EDIT: Starting with gtm's post two above, it appears that images in this thread can now appear only as text links, not as thumbnails or as in-line images].

I'll be trying out the new soldering station, and leaded and lead-free solder, with the microphone cables in the photo below, which arrived this afternoon. There's more detailed discussion about these cables in the second post on this page.

I should add that this won't be my only lead/lead-free soldering test. I plan to change some of the joints on the circuit board for a tube amplifier that I built from lead to lead-free.

From left to right in the photo...

1 (black): Canare Star-Quad L-4E6S
21AWG/0.410mm²
$0.55/ft

This is one of my current cables. I'll be replacing the lead joints in the right angle and standard Neutrik XLRs with lead-free. If you've seen a film or television programme shot in the U.S. or Canada in recent years, it's highly likely that the dialogue was recorded with Neutrik XLR connectors and this Canare cable.

2 (green): Additional Canare Star-Quad L-4E6S for testing.

3 (black): Canare Star-Quad L-4E5C
23AWG/0.258mm²
$0.48/ft

Thinner and more flexible Canare. Is it rugged enough for general use?

4 (blue): Mogami Star-Quad W2534
24AWG/0.226mm²
$1.12/ft

Used widely in music recording studios, but almost never for location and field recording for film production.

5 (red): Mogami Star-Quad W2893
26AWG/0.129mm²
$0.82/ft

More lightweight than Canare's lightweight cable. That isn't necessarily a good thing. I had trouble getting it to lie flat for the photo :)

6 (black): Mogami Balanced Cable W2791
24AWG/0.206mm²
$1.11/ft

The only non-Star-Quad cable in the group.




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