Re: stick welding: madali lang ba pag-aralan?

bro, what you refer to as "gasless mig" is technically called Flux-Cored Arc Welding (FCAW). It uses a flux-cored welding wire which contains something that floats over the molten weld pool so that the metal does not get weakened by ambient air during welding. Nagreresult kasi sa mahinang welds kapag nag-contact sa hangin habang tunaw pa yung metal.

Yung "stick welding" is technically called Shielded Metal Arc Welding (SMAW). Yan yung gumagamit ng welding rods. Yung nakabalot sa welding rods na parang matigas na powder, flux din yun. That's why you see those black ceramic-like residues on top of welds using this process. Yun yung tinitiktik at nililinis na nasa ibabaw.

Yung MIG na tinatawag ay Gas Metal Arc Welding (GMAW). Instead of using flux to protect the molten weld pool, it uses shielding gases such as CO2 or Argon+CO2. Advantages of GMAW include cleaner welds & easy to hold and maitain the arc. Mas malinis yung welds kasi hindi na gumagamit ng flux. Kapag maayos ang weld kahit hindi na i-grind. Mas madali rin hawakan kahit siguro mejo pasmado ka hindi ka mahihirapan i-maintain yung distance ng electrode at workpiece. Dahil ito sa automatic wire feed.

Yung ginagamit kong MIG welding machine pwede rin mag FCAW, yung gasless process na tinukoy ko sa taas. May mga konting spatter lang pero ok naman. Ang advantage nya is it can be used on thicker workpieces. Yung mga iba kasing wineweld ko kapag makapal na, kahit naka-todo na yung amperage setting ko, hindi kaya kapag nag MIG ako. kapag ginamitan ko ng FCAW kaya nya. Kapag FCAW, madali rin itutok kasi may auto wire feed.

Yung SMAW naman, na gumagamit ng welding rods, mas bagay kapag makapal ang iweweld mo. Mas mura pati ang equipment. Kaya lang mahirap yata pag-aralan kasi kelangan talaga matuto ka na itutok ng maayos yung electrode habang nauubos yung rod at habang ginagalaw mo yung weld along the workpiece. Yan ang narinig ko. Dipa kasi ako nakapag SMAW. GMAW pa lang at FCAW.

Yung TIG (TGAW) sa mga super clean and super beautiful weld finishes ginagamit. usually kapag mga aluminum, TIG yata ginagawa. Gagamitin mo dito parehong kamay. One hand for the torch the other for the metal filler material. Mano-mano ang pagload mo ng filler material dun sa weld pool. Parang acetylene welding din, ibang torch nga lang ang gamit.

Siguro sa pagpili ng welding machine kelangan i-consider mo kung ano ang iweweld. Gano kakapal na mga bakal. Kung mga sheet metal or others na under 2mm dapat MIG or TIG. Mga up to 1/4 inch FCAW dapat, or depende sa machine pwede pa siguro mas makapal. The rest, SMAW na.

Marami nako nagawa dun sa binili kong MIG welder about a year ago. Para sakin yung pagkakaron ng auto wire feed kapag nagwewelding malaking tulong talaga. Ang price ng consumables ok naman. Yung shielding gas na binili ko nasa 800, yun yung nasa 5ft na gas cylinder. hanggang ngayon dipa ubos. Nakaubos nako ng approx 3/4 nung isang malaking spool ng welding wire, eh nasa 5 kilos yata ang isang spool nun, diko lang sure, basta mabigat.

Re: stick welding: madali lang ba pag-aralan?

madami palang weldero dito hehehe

Re: stick welding: madali lang ba pag-aralan?

Makisali lang po... I'm still a newbie in welding... anyway I got this this big 300A Dyna AC welder(Bulky), and a 200A Powercraft AC welder(portable)..

Also purchased recently is an Ozito Flux cored MIG..

I hope to learn more form you guys...

Re: stick welding: madali lang ba pag-aralan?

uyy welcome to PHM and welcome to Metal Boys(or probably may Girls na rin) Club hehe

we have a thread here "welding newbie" which you can post your wips as newbie or anything regarding metals related topic.

gustong gusto ko talaga ang Mig, pa post naman mga creation mo po pls 🙂 thanks ...

here's the link:

http://www.pinoyhandyman.com/showthread.php?p=14938#post14938

Re: stick welding: madali lang ba pag-aralan?

clayfigur welcome to PHM ayos meron na naman new member ng metal boys hehehe show some picture of your welding machine and your Ozito mig welder did you try your mig without gas?

Re: stick welding: madali lang ba pag-aralan?

clayfigur welcome to PHM ayos meron na naman new member ng metal boys hehehe show some picture of your welding machine and your Ozito mig welder did you try your mig without gas?

My welders

Re: stick welding: madali lang ba pag-aralan?

here's more pic of the welders

Ozito Flux cored MIG

Powercraft 200A Arc welder

Jialli 200A Arc welder

12 volts homemade Carbon arc welder/ Battery Charger

Re: stick welding: madali lang ba pag-aralan?

300A dyna welder.. (kinda bulky)
I dont use this much.. really heavy. But its good for continues use and heavy loads..

Re: stick welding: madali lang ba pag-aralan?

here's more pic of the welders

Ozito Flux cored MIG

Jialli 200A Arc welder

12 volts homemade Carbon arc welder/ Battery Charger

Wow....Formidable arsenal you have there!!

Welcome to the group Clayfigur...

From what we can see, you're certainly not a newbie..

Very glad to have you aboard, Hope to see you as often as possible here, we can all share experiences for the good of keeping traditions and skills from getting lost to modern manufacturing, and save money along the way too!! 🙂

Re: stick welding: madali lang ba pag-aralan?

@clayfigur

thanks for posting wow!!! grabe isa ka palang collector ng welding machine hehehe 😉

Re: stick welding: madali lang ba pag-aralan?

hmmm curious lang ako dito sa 12 volts homemade Carbon arc welder/ Battery Charger mo how it is work? may kasama pa ba gas ito pag nag weld?

Re: stick welding: madali lang ba pag-aralan?

Hi Ryobi !

Dre...Kailan tayo gagawa ng trailer para sa mga AUVs natin, pang hila sa mga kahoy and full length steel bars na kailangan natin?? Hirap magasgasan yun car kasi o para sa motorbike....hehe.. :p

Re: stick welding: madali lang ba pag-aralan?

Hi Ryobi !

Dre...Kailan tayo gagawa ng trailer para sa mga AUVs natin, pang hila sa mga kahoy and full length steel bars na kailangan natin?? Hirap magasgasan yun car kasi o para sa motorbike....hehe.. :p

lol hhahaha:D ang hirap ng may bago panibago alagain hehe

Re: stick welding: madali lang ba pag-aralan?

hmmm curious lang ako dito sa 12 volts homemade Carbon arc welder/ Battery Charger mo how it is work? may kasama pa ba gas ito pag nag weld?

No gas, I dismantled a Microwave. Then used the transformer. I removed the secondary coil entirely. Rewound the wire with AWG10, until it measure just above 12V. I used a Bridge rectifier of 4pcs 6A diodes and 2 supercapacitors rated 50VDC. Now I have 12-17 volts DC..
If it has load, current is around 10-12V.. (im still working on installing a relay switch to make the charger automatic.)

About the carbon arc weld. I made slots to install it on (AC), (DC+). (DC-)

I fabricated a torch to hold carbon rods.. It burns a bit like stick welding, but a little less since its just 12V and 15A..

As of now, I find it hard to look for carbon rods, so I recycle old batteries, using the center carbon core. Use it like a TIG, you'll need a filler metal to weld thin sheets together, sometimes I use thin wires used in flowers, sometimes copper.. Its better to dip it in borax solution.

Anyway, I also installed aluminum heat-sink, and cooling fans. I used a bleed resistor for the capacitor,so it wont burst upon over charge. Also a installed a 15A fuse.

Still planning to install a Voltmeter and an Ampere gauge to monitor current spikes.

Eto pla yung Carbon arc in action

Re: stick welding: madali lang ba pag-aralan?

that`s a double wow!!!! bro very nice work...do you have a diagram for that i want to make it one hehehe....... how did you do that? meron ka ba pinag kopyahan or just you invented ?