Exploding Hot Melt Glue Gun
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- Опубліковано 26 сер 2024
- Teardown of a hot melt glue gun that exploded when I was using it. I tried to plug it in once more and it exploded again, this time on camera :).
By the way, what do you think about glue guns? Are they clever universal tools, or just overused tools for lazy people to botch up everything that could be mounted properly using a different method?
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"this is prubably not going to be the best ideaaa......*plugs it in*....oh shieett" LOL.
your accent makes it even more funny. subscribed!
OHEEEE SHHIETTT
TenOndra Mám to asi podobně 😂. Obsah má ale super!
i thought the same xd
mac & cheese lol
2:50 LOLOLOLOLOLOLOLOL
That's a PTC heating element. Resistance increases (current decreases) as it grows warmer making it self-limiting. I've not heard of them failing short circuit. It was probably the wires that shorted.
most likely 1k ohms is way too high to be a short definitely poorly isolated wires I've had my glue guns for 4+ years and no issues electrical wise.
@@Random_4400
The insulation on the wire melted and the mains voltage arced over. The voltage of the ohmmeter isn't enough to reveal such a fault.
Same happened with mine
I have same one. Same happened with my glue gun wires melted and shorted
@@user-kq1qd8fi1n Many cheap Chinese devices have terrible wires. Some are copper coated (or copper "colored") aluminum conductors that get hot. many have insulation that does not meet standards, even if they are stamped with the right rating.
There are also many cheap Chinese USB plugs that are unsafe and can leak line voltage through the USB port.
*”Never trust a guy with an accent”*
-ElectroBOOM 20something
Maybe except this guy, I did recognize his voice in one of EB's free energy videos, but I think this guy changed..
Alex 0474 you correct he said a bad word on 250
@@zUltra3D yeah i also heard his voice in the free energy bs on the eb video and instantly search his channel for the video, turns out it was just clickbait if i remember correctly
👍
Says in Persian accent
I have this EXACT glue gun from the dollar store, it was a Christmas gift... the rubber around the nozzle melted off and it started emitting smoke today. Found this video when I searched it... taking this to the trash and buying a more expensive one from a proper brand now. Thank you so much for saving my hand/house!
I've had a similar gun fail on me in pretty much the same way. What was surprising was how it managed to trigger the breaker directly at the meter outside the house! Really violent short-circuit failure behaviour.
2:51 cant stop laughing😂😂
Carlos Jaymalin awuu sheeet
Carlos Jaymalin ii
Oh shitttt
Carlos Jaymalin yes
uski esi tesi kar di
"Oh shit" can't stop laughing XDDD
How muck mouth XDDD only XD
I mean mouth
2:49
WOW
you are really calm not like others people reaction
The Only One 2:50
*COUGH* ElectroBOOM *COUGH*
Came here from the electrode water heater video.
I think ill stick around.
+1 sub
Hot glue gun, aka the og "3d printer"
I was about to buy just the same glue gun a few months ago. Thanks to your video I saved a couple of bucks and probably myself from getting electrocuted. Thank you!
Funniest guy in the hole world
Hamza lowest expectations for humor in the world...
this is hardly even relatively amusing.
your ida is very bad
Hamza yes
@0.2uikorraM lmao
hole?? or whole 😜
2:49 “ oh shit” it just exploded in front of me😂
That metal is 24 Carat Chinesium™! Found your channel from a comment below a 2019 bigclivedotcom video about heat guns. He dismantled one which works, but noted that the two metal plates with crimped wires being insulated by a few turns of Kapton tape is unsafe at 240 V AC. That peak voltage of about 350 V, between electrodes which are only a couple of millimetres apart, is unsafe if condensation enters the gun. The PTC thermistor also tends to fail by short-circuiting. You really need to use plugs which contain fuses, too! That way, the plug fuse will fail, but will usually leave your household electricity supply still working. You'll still have lights. Thanks for the video.
2:46 I don't sing anything 😂😂
Your accent gets many comments but I notice that your English vocabulary is excellent
Thanks :). This happens when you start learning English too late. You can learn the vocalulary and grammar, but you can't learn the accent. Only children are able to absorb the accent of a foreign language and reproduce it. I started too late. Or actually... I started learning English early, but only from Czech teachers, whose accent was just as bad as mine :). My first contact with native speakers was when I was 27, thats far too late.
Quick tips: don't show your key to anyone, they could duplicate the key with just the picture and correct tools (of cause it is useless unless they know where is the lock)
the way he said oh SH*T
😂 LOL 😂
《 2:51 》
Dubstep Gaming
Just really calm not like others People
they just gonna screaming Like
OH SH*T F*CK F*CK F*CK F*CK F*CK F*CK OH F*CK
He said oh shit so bored
Oie shieeet
I usually use hot-glue to glue things I may want to remove in the future since it usually snaps off the surface you want to glue without residue or damage. I also don't always know what glue to use for specific applications.
isopropyl alcohol is even better to remove it.
Hot snot has a limitation but I use it anyway. For wood to wood, it works well when it can get extra hot. It just doesn't work well on metal/glass surfaces since there's nothing for the 'glue' to adhere to. It's a nice adhesive because it can be removed from most surfaces with isopropyl alcohol. I won't use it on more than 24V since there isn't any electrical resistance noted on any glue stick.
Not good for metal, glass or 230V. But still good to wood to wood. Or for Arduino to wood :D. I'm not sure what is worse: Using arduino instead of your circuit board, or using hot glue instead of a screw? :D. A machine with an arduino on a blob of hot glue in it is a symbol of hobby decadence. I would never use either of this.
To be fair, a plastic project box usually isn't thick enough for a screw. It would need a bolt fastened to the box then the board and it might not be ideal to use metal bolts. Could tap the box to avoid one nut but then the tap costs money. Some times the setup requires a nylon bolt and possibly nylon nuts which drives cost way up since nylon isn't cheap. It's very much initial cost and work input versus a low-cost "multi-tool" (glue gun) which just looks ugly when used but is reasonably functional.
I either use it to temporarily hold something together (like two blocks of wood, cut them both at the same time, tear apart and have two identical pieces) or as a potting compound for low voltage repair (VGA cable broke, pried apart the injection molded connector, soldered wires, replace injected molded plastic with gobs of hot melt). I never use it for anything "real". I have used little pieces of glue sticks inside heat shrink tubing to help waterproof connections (spliced wire under hood of car. When the tubing shrinks the glue goes gooey and seals up the tubing).
Adam Rivera maybe the surface is smooth
Buys glue gun .. uses spring for his keys
IrI Shad 😂
I had a glue gun go bang, on the upside it completely fixed my broken graphics card somehow.
I can't really complain with those results.
bruh
@@etmezh9073 Practically EVGA's response too
that is the most calm "oh, shit" i have ever heard
He is VERY vicious on teardowns, I shivered!!!!!!!
He puts the “tear” in tear down
It shouldn't arc over, but by that token, the glue gun isn't supposed to be full of hot glue, and yours was! It has leaked, perhaps they mixed up the metal wrong and it fractured, it isn't supposed to be this brittle, or there was a casting error in the rubber seals. Thing is, hot melt glue is a vaguely reasonable insulator at room temperature, but above 40-60°C, it can start to become electrically conductive, and if you get it hot and liquid enough, it eventually inevitably will.
Glue sticks are made of plastic. I think polypropylene or something similar. How can they be conductive.
I will have to test this with my hot glue.
First it's not polypropylene, which is a good dielectric... when cold, i don't know whether it still is in melted state. It's a blend of numerous polymers, and you can expect it to be around 50% or more EVA for that rubbery flexible property, but beyond that... well, mystery, and every manufacturer will have their own composition, and often recycled leftovers of whatever will find their way into low-cost ones. The way it becomes conductive is by motility of ions, akin to most liquids. There are non-polar liquids are non-conductive, but that requires high purity, because breakup products are usually going to be polar.
Crucially, while you may still measure a reasonable resistance when you measure it with your low-voltage multimeter, but it will no longer provide isolation, allowing it to arc over when higher voltage is applied.
@@SianaGearz I agree, also i have accidentally left glues gun on before, and the glue that comes out looks "burnt", it's a deep amber in colour rather than clear/yellow...
Very possible that it's conductive. Especially if it leaks into that heater element, which is only marginally thermally connected to that metal tube... The PTC itself may be far hotter than the melting tube, and when the glue hits that element, it will inevitably be overheated, and then become conductive / carbonize and then explode.
No fuse, so will trip your breakers instead, add a fuse and it will still go bang, unless you use a HRC fuse...
But $2 for a HRC for a $2 glue gun is a bit silly in the end...
Another solution could be a capacitor in series to act as a dropper, but again would likely outcost the glue-gun itself, especially since the capacitor would need to be fairly large...
That glue gun looks very similar to a glue gun recalled in 2008. It was sold at dollar tree, an American discount retailer. I quote:
"Hazard: The recalled glue guns can short circuit, causing the gun to smoke. This poses a fire hazard to consumers."
Here is the link (with picture): www.cpsc.gov/Recalls/2008/dollar-tree-recalls-glue-guns-due-to-fire-hazard
Oh sheeet... gets me everytime..
I like the calmness of this guy. Subscribed 😊
you have angered the hot glue gods!
Well, now I have to sacrifice :).
By reading the comments, I've noticed that many of you had the same experience about your exploding glue gun. At that point, I want to mention that I also had one small pattex for about 15€. One day, I (luckily) decided to switch the powerstrip and not to plug the gun. Of course, it exploded! Being a diy lover since 4 years (if you love electronics and some vlogs, check out my channel), I went to the store and picked up a Bosch PKP18E with 40€, but this time with an electronic temperature adjuster. The reason I mentioned about the adjuster, is that this problem is mainly caused by overheating, which actually leads the cables to melt and finally contact themselvers.
I have an Extol branded glue gun, it works very well, and probably cheaper glue guns have very crappy regulation.
Hot glue is one of those things that can either be a blessing or a curse. Sometimes it work out like you want. But in some cases, there's no quicker fix that can do the job as well. And other times, the bonding power and durability of the stuff can really surprise you, in a GOOD way. For example, I have a pickup truck. The headlight assemblies have a particularly badly designed plastic part involved in the aiming mechanism. It's the part of the housing that has a captive adjustment screw for vertical aim adjustment.
Well, that plastic cracked up and crumbled on BOTH the left and right headlight assemblies when the truck was only 2 or 3 years old... just from normal vibration. To repair it easily, I re-aimed the lights, then froze the screws in place with a modest gob of EVA-based (ethylene-vinyl acetate, the most common type of glue stick). Much to my pleasant surprise, that repair has survived for at least 12 years. I didn't think it'd survive (especially our VERY cold upper midwest winters)... but it's still intact to this day. It was stronger and more durable than the original parts!!
Of course, an epoxy fix might have been superior in some ways (though that doesn't seem to have been necessary). But the position of the broken parts and the confined space of the repair made the hot glue worth a shot. I basically shot it into the right place, through a small gap between frame parts. I'm certainly glad I didn't take everything apart just to use epoxy; the hot-glue has worked wonderfully, and I don't see it failing any time soon. Also, a little bit of hot-snot is vastly cheaper than buying some good epoxy like JB Weld.
I've also done some fabric-to-sew-on-velcro applications that have exceeded expectations, using the same kind of EVA hot glue. Nothing wrong with a quick, cheap, convenient fix... IF it does the job and it holds up for a long time!
By the way, Diode, I'm glad you didn't get a nasty shock from that thing! Best to stick to a good name brand gun, I guess.
.
and its also a curse when it gets into the hands of instagram DIY content creators
Funny as hell! Dangerous but funny. Love all of your vids. Very informative of breakdowns and schematics. Best of all is NO CLICKBAIT! Keep it up dude!
The same thing happened to my glue gun today which made me come here 😂😂😂
Same thing happened to me what to do
Lol even the hot glue gun is hot glued
"This one turns out to be quite soft"
It's made out of chinesium!
Japanesium started the same way , turned out to be pretty good over time and was disliked at the start .
that happened to my glue gun and my mom was like OH OH OMG btwbi laughed so hard of u saying oh sit
I can’t stop laughing at the whole thing! I have no idea why he is disassembling a hot glue gun in the first place, I came here to learn what glue guns can be used for.
The calmest "oh shit" I have heard so far
I think the heating element is some kind of PTC device like in some electric space heaters. When it heats up the resistance increases, and eventually it reaches a temperature equilibrium. This prevents it from overheating, and eliminates a thermostat (though this means the temperature is not adjustable, which is probably fine for this application.)
Yes, it is most likely a PTC, so it heats up quickly, but then the temperature doesn't rise any more.
I will buy a glue gun for that spring. Haha
anonymous lol
Mine haven't exploded yet.
A while ago, I had one exploding too. Glue leaked into the heating element.
Plastic counter: 23
Ingridients: Plastic 0%, Explosion 100%
🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔
why did they use hot glue for a hot glue gun?
All's not lost. Danyk ended up with a keyring.
that "oh shiet" should be on a soundboard lmfao
I just bought what's on the video same glue gun same appearance, when I first plug smoke coming out from the glue gun so I unplugged it and search UA-cam if it is normal to smoke at first use but then this guy
Showed me it's not normal and can caused a serious accident .
LESSON LEARNED! NEVER BUY
TOOLS FROM CHINA!!!
2:50 😂😂😂😂😂😂😂 oh my god
When smoke leaves the box,
You can't put it ot back in.
Im seriously coughing (I smoke) from laughter at the key ring bit at the end... thank you...
""This is probably not going to be the best idea...Oh Shit.!".!!!!!
I love glue guns, but then I'm king of the bodgers.
I have permanent scars to prove it !
The Two squares on the sticker mean it's Double Insulated. Which means the metal tip and heater don't need a ground
I unwrapped the foil, repaired the wire and wrapped it again. works so far :)
Happened to me tonight, very scary, exact same scenario. Ozito brand glue gun. Very dangerous. Lucky it didn't catch on something. Thankyou for the video!
Když to nejde silou, tak to jde ještě větší silou :D
Amen :D
A dopiči
Little did you know, hot glue is a great electrical isolation material 😈😈😈
*plugs in hot glue gun*
*hot glue gun sparks and explodes*
diode gone wild: OH SH*T
Did anyone else notice the fake "CE"?
The same happened to me about a decade ago. I just plugged the hot glue gun into the mains outlet (230V) and BANG. There was a flash coming from the glue gun (like in the video but the glue gun wasn't opened up) and the lights on the ceiling in my room turned off because the breaker was tripped.
That doesn't look like a very safe design to surround the heating element just by a couple of layers of adhesive tape.
Same happened here
Same happened
Dude I am too lazy to even use a glue gun.
,Bengal b f
Those looks like one of those recalled Mini Melt glue guns that came from Dollar Tree in The US
This exact same thing happened to me as well. I plugged it into outlet and after a couple of second it exploded and popped the circuit breaker.
I lost my shit when he started chipping the (not-so much, as seen after) metal-looking material
It's cast aluminium
How do you trip three different breakers with such a fast short circuit?
Oh SHEEET
Watching this after i exploded a glue gun
Great autopsy.
I brought one 2 weeks before and used somany times. This helped to know whats inside and got a warning.
UA-cam caption: oh sheeeeet!!!
I think i pissed myself at 2:50 from laughter
my glue gun shorted out too, but it was simply the mains on the inside wearing out after around 10 years. the cable had thick insulation, but it was around 20 or 18 gauge, and it finally failed after the insulation had worn down and the bare wires touched.
A friend of mine had a hot glue gun that was actually far more badly made and it did the same thing. Also the second time it popped was on purpose, same result you had.
this is probably not going to be the best idea, oh shieett.. lol
Ptc heater element
I agree completely. There is WAY too much hot glue used in DIY project videos. DIY doesn’t mean that you don’t need to use proper hardware!!! I stop watching any video, that uses hot glue. It’s fine for arts and crafts, but has no place in a real shop. There are only two things that hot glue sticks to. Paper and itself.
short circuit was surprise
So what went wrong?
strange all lights in your house go out when a short is induced, here in the states if something fails and goes to ground or shorts outright, only that circuit will trip, not the main breaker.
Same here
Well, here in Europe we don’t have breakers for every room or circuit like you do
That short happened L to N and not L to PE or N to PE
the CE on this device is China Export actually, not Certified Europe, because Certified Europe has a bigger distance between C and E
Clever, because they are very useful
I had the same glue gun and it exploded like yours.
Me:
Using soldering iron as a glue gun
100000 IQ
Not actualy
That will be making hot glue gun warm faster!! Connect a soldering iron to a metal pipe and u have a fast warming up hot glue gun
Sorry for my english but im from pl
@@protheon pl?
@@KiroHayashi Yep, poland
@@protheon oh thanks. I understand now.
Me either is not very good
best English I have ever heard
It's better English than what most Americans speak today especially if you watch any of today's tv shows. One school I went to the students learned English by watching old re-runs of the 1950's show "I Love Lucy".
The classical czech ,,ouu shit"
It’s not 220V, it’s necessary to supply 12 V; It’s not possible to supply 220v. It can shoot. Cut the plug. Connect the power supply. 12v. Then the plug will work well.
between two plates not only heat element ,it is a type of special stone in between that helps heat
I have to tell this hot-glue story (please know that I don't like using hot glue this way): Long ago I needed a super 8 film projector of decent specification for shows at a bar/pub but I couldn't afford one. But I had lots interesting odds and ends in my parts stash, a dremel a hot glue gun.
So there was a crappy super 8 projector, a very broken hi-8 camera with a good lens, halogen lamps that were far too powerfull, a light bulb dimmer... and a large powerful blower wheel-type fan and some flexible ducting. I'll bet you know where this is going!! I kept hacking bits of camera off of it's lens (also projector parts that were in the way); then did the light bulb (which partially fit and eneded up actually secure with heat insulation); attached the fan ducting and cut some holes so it had airflow. The Frankenstein's monster lived! I did 10 shows with it, never let me down unless I didn't have the fan going fast enough for the bulb LOL!! When I ran it too hot, hot glue strands would actually come streaming out of the top of the air exhaust and usually the lamp would blow.😂😂😂 I really miss those days.😔
This is the video you say '' oh shit ''
No ono to určite nie je o lenivosti :) Existuje viacero druhov tavných tyčiniek s konkrétnym účelom napr. na drevo. Tie čo sú k tomuto v balení sú samozrejme o ničom, mám ich tiež a používam to fakt len zriedka lebo nedrží to buď na nejakých povrchoch nedrží vôbec alebo po čase odpadne celý ten kus lepidla. Ale práve pre vnútro elektroniky je to vhodné, často tým prichytím LEDky alebo aj potenciometre na panel ak je panel hrubý a inak sa to nedá. A tam to drží v pohode aj roky... A tiež sa to môže použiť v aktívnych subwooferoch namiesto laku ktorý drží kondenzátory pri doske aby sa nekývali od vibrácií
Edgar Koterle Asi je to čech pár těch slov zní česky
Come on. plug it in again. LOL. where is the schematic?
ik u r joking (and im gonna get wooshed but if u dont know what is that dont worry) but there are no electronics
Help plice my gun is hot serkit damage how to buy new serkit
my glue gun made a big pop and exploded
dama walton mine 2, all the lights went out n shit, although i knew it was the circuit breaker but still scared me half to death😂
As much as I enjoy your content I tend to disagree with you regarding this tool. If you need to botch something, just use super-glue. That stuff is nasty and tends to bloom out and leave some white residue. Never happens with hot glue. Of course you shouldn't rely on it as much as some people do who can't be bothered to do stuff properly.
True, there are many better ways to stick stuff together, though they take longer. So far all the types of hot glue I have tried failed to hold things together under reasonable load.
While hot glue could be used for makeshift circuit insulation, any thick rubbery adhesive works fine for me.
In my glue gun also same problem u repairied it correctly
Good but the current gone
They use ptc thermistors for heating in hot glue guns. The ptc must be clamped down rigid or the ptc flexes and causes failure.
glue gun me jo heat karta hai uska kya nbam hai
It happened to me.
I was making a cardboard sword and i forgot to get off the wire
One of that exploded in my hand
Did it hurt?
"Too lazy" you know its actually kind of expensive to mount something properly, especially in norway wherw you order something and get something else for a high price because there are nowhere to find parts. And hot glue actually holds really well...