DIY or BUY a Battery Spotwelder?!

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Leo Pryside

Leo Pryside

Күн бұрын

Пікірлер: 27
@blise518B
@blise518B 3 жыл бұрын
If you buy one get a Kweld. It produces the most consistent welds from all the smaller DIY welders.
@Pryside
@Pryside 3 жыл бұрын
I personally didnt see a big difference in welding constiancy between this one and the kweld... They both weld bad black spots, when you place the probes on the wrong, so good handling is important on both, but the joules feature definitely helps a bit
@DisabledEngineer
@DisabledEngineer 3 жыл бұрын
That probe is big brain. Very wheelchair friendly
@priteshzade573
@priteshzade573 3 жыл бұрын
Hey leo! thanks for the vid. keep up the good work!
@rhiantaylor3446
@rhiantaylor3446 3 жыл бұрын
You mention an advantage of ac welders that current flows both ways through the weld - this requires a weld duration of 20ms or more, for one full cycle at 50 Hz but you recommend short duration welds and showed a 5ms duration...
@Pryside
@Pryside 3 жыл бұрын
Okay, there are multiple factors at play here. The first one beeing, that the AC welder doesnt produce nearly as many amps as the lipo battery does. So longer welding times than just the 5ms of a Sequre Welder are perfectly accaptable. I usually weld with around 30ms on my ac welder. What I didnt fully explain in the video is how Triacs (solid state relais) percisely work: They are usually "Zero point switching triacs" which means everytime the voltage crosses 0V they can turn off. but can turn on at any wanted point. a 50Hz sinus cycle has two points at which it crosses 0V, once at T/2 and at T. (T beeing 20ms) so to get a spotweld thats welded in both directions you only need anything more than 20ms.
@scottrocks1993
@scottrocks1993 2 жыл бұрын
It only takes 5 to 10 minutes to cut winding out of a microwave transformer. I done 4 about 1 years ago to make a arc welder. I also made spot welder exactly the same with timing board. That only took 5-minutes to cut winding out. And is 1000w If it's taking 3 hours definitely doing something wrong
@thomasfilion9064
@thomasfilion9064 3 жыл бұрын
I paid 380 for 52v 20Ah triangle battery. I'm wanting to get to 72 v and whatever I can do for distance. What do you think I should do? I never made a pack. I've got a soldier gun wire feed for starts.
@nilsmertens6253
@nilsmertens6253 2 жыл бұрын
Kleine Frage. Die Periodendauer bei 50Hz beträgt 20ms. Ist denn noch ein vorteil beim AC schwißen. wo du wascheinlich auch nur 4ms stöße verwendest. Eigentilch sollte das ein Nachteil sein, da in dieser Zeit die spannung auch sehr minimal sein kann und dadurch nur eine geringe Leistung entwickelt wird? Denn noch Danke das die du versucht hast alle arten zu erklären. Die waren mir noch nicht alle bekannt.
@Pryside
@Pryside 2 жыл бұрын
Bei AC gehe ich selten unter 10ms genau aus dem grund damit ich garantiert eine vollen peak dabei habe. Weil eine periode besteht ja auch einer positiven und einer negativen welle. Es geht niedriger aber wie du schon gesagt hast kann es sein dass man dann am nullpunkt triggert und unregelmäßig welds hat.
@oneplusnord25g17
@oneplusnord25g17 2 жыл бұрын
Hello brother what to do then @(10:15) I having the same problem Please respond MCB gets tripping.
@martg.b.6160
@martg.b.6160 3 жыл бұрын
I made myself a spotwelder powered with drone lipo batteries using mosfets.
@Nici619
@Nici619 3 жыл бұрын
mach mal einen test wie der Wiederstand zwischen nickel strips gegen gelötete kabel sind. Die Nickel strips kann man meist nicht so hoch belasten
@Pryside
@Pryside 3 жыл бұрын
Ich glaub da ist kein test nötig. Der spezifische Widerstand von Nickel ist gut erforscht. Der ist nunmal 4mal so hoch wie der von kupfer. Aber wenn man sein akku gut auslegt bekommt man mit Nickel auch ein akku hin der nicht unnötig aufheizt
@SequreTech
@SequreTech 3 жыл бұрын
Nice video.
@MrINKOMPATIBEL
@MrINKOMPATIBEL 3 жыл бұрын
Autobatterie 640CCA neuwertig 30,--- 500A starterrelais 6,- Timer 4,- Fußschalter 3,- Sicherung 3,-- Elektroden und Kabel 20,- . Also weit unter 100- . Und keine mosfets die mir um die Ohren fliegen.
@Pryside
@Pryside 3 жыл бұрын
Mit starterrelais bekommst du kein akkurates timing hin und brennst dir löcher in die zellen. Das funktioniert leider nicht so leicht. Die akkus werden nicht mehr als n Jahr überleben bis das elektrolyt rausgetrocknet ist
@MrINKOMPATIBEL
@MrINKOMPATIBEL 3 жыл бұрын
Und wenn ich einen Timer benutze? Den ich mit dem Fussschalter auslöse.
@Pryside
@Pryside 3 жыл бұрын
@@MrINKOMPATIBEL relais schalten leider nicht millisekunden genau. Wenn du in das Datenblatt von einem Relais schaust, haben die meisten eine toleranz von +-40ms an timing. Dabei sollte die gesamte an-zeit nur wenige millisekunden sein.
@multimedia2531
@multimedia2531 3 жыл бұрын
Sehe ich genauso gibt genügend Spotwelder für um die 100€ die genauso einstellbar sind (damit mein ich nicht diese günstigen akkudinger). Da ist der hier zu teuer und die anderen taugen nix. Hätte da nicht Werbesendung stehen müssen?
@chris200801
@chris200801 3 жыл бұрын
so ein geiles Produkt
@maxis883
@maxis883 3 жыл бұрын
Just for information, electrons flow from the plus to the minus pole. The definition was made before the physical knowledge was present.
@Pryside
@Pryside 3 жыл бұрын
You couldn't be more wrong. www.sciencedirect.com/topics/engineering/electron-flow What people refer to "current" is not electrons. Its the positive charge leaving the battery cathode, flowing to the anode. But in reality we call it positive current because its a displacement of the negative electrons which flow from the anode to the cathode.
@maxis883
@maxis883 3 жыл бұрын
@@Pryside I think we have talked past each other. I should have been more specific, you are right. I was referring to this: web.engr.oregonstate.edu/~traylor/ece112/beamer_lectures/elect_flow_vs_conv_I.pdf
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