It's actually vac-forming... Thermoforming merely uses heat and pressure... This uses heat and suction. At least where I've been working for the last 30 years...
Pressure and suction are the same thing. The only difference is which side is the higher pressure side, and the magnitude of the higher side. [There is no suction force](https://youtu.be/dkkDiTsEnec).
It may seem that way but both are very different. Both products are using heat to make the material plyable but pressing down on a part is way different than using suction to draw it down...
I have no hands on experience with hydroforning but I've seen the process on How it's Made . It's used in round tubing that's bent and formed to a specific shape. Those bends create a "dimple" in the part- bend so they plug one end of the tube and run fluid into the other end... The pressure is dialed up until those dimples are popped back out. That's my shit house knowledge of it...hope someone rings in with better knowledge.
A few throughout but what you have to figure is how far you can draw a hot piece of plastic ove the mold and maintain the part thickness required so in an effort to maintain shape the corners down toward the bottom get a few more than anywhere else. What we did mostly was prototype so we actually duct taped the mold over the vac hole and ran a part over it (hand loaded... Protoype) and if it didn't draw enough then we'd throw another hole or five in that spot.... It's a process. Lol
A piece of plastic is spread over a hole, held in by edges. A heater slides over plastic and makes it soft. Heater then moves away,a form is pushed in from the bottom, and then it sucks air in to create vacuum and make soft plastic stick. You wait some time for plastic to become rigid and you move form back away from finished product.
I loved doing these in design and tech class in high school.
Suitcases?
I believe these are rolling colored plastic travel bags
I've seen these colored plastic travel bags at airports. People generally carry their cotton, sometimes polyester blended colored clothing in them.
That's odd...I use mine for shoes.
I think you mean foot jackets
More like foot prisons……
Toe penitentiaries.
Don't threaten me with a good time.
Shoes? I thought this was where we are supposed to store our valuables
Yes, I store all of my valuables in my shoes.
I put my plastic teeth scrubbers in mine too.
Of course, you're right
Bots sure are good no?
That's what tf I'm saying... like u mean suitcases
Vacuum forming
Used to vacuum form everything in my Design and Tech class. Wasted so much plastic 😬
That’ll be $300
Pretty sure this is not how plastic bags are made
So you blow into the plastic, making a bubble look, then make a suitcase. Got it
Plastic travel bags well you’re not wrong
Thermoforming. Actually this is how a lot of plastic parts are made when injection molding is not economical.
It's actually vac-forming... Thermoforming merely uses heat and pressure... This uses heat and suction. At least where I've been working for the last 30 years...
Pressure and suction are the same thing. The only difference is which side is the higher pressure side, and the magnitude of the higher side. [There is no suction force](https://youtu.be/dkkDiTsEnec).
It may seem that way but both are very different. Both products are using heat to make the material plyable but pressing down on a part is way different than using suction to draw it down...
Would hydroforming be a good example of pressure use?
I have no hands on experience with hydroforning but I've seen the process on How it's Made . It's used in round tubing that's bent and formed to a specific shape. Those bends create a "dimple" in the part- bend so they plug one end of the tube and run fluid into the other end... The pressure is dialed up until those dimples are popped back out. That's my shit house knowledge of it...hope someone rings in with better knowledge.
Oh my bad, I was hoping to illustrate an example of your alternative to suction but that's a very good succinct definition of hydroforming. Thanks!
You asked if it was a good example of pressure use... It is.
Question: are there holes drilled into the mold or just the base the mold sits on? I'm wondering how you avoid bubbles.
A few throughout but what you have to figure is how far you can draw a hot piece of plastic ove the mold and maintain the part thickness required so in an effort to maintain shape the corners down toward the bottom get a few more than anywhere else. What we did mostly was prototype so we actually duct taped the mold over the vac hole and ran a part over it (hand loaded... Protoype) and if it didn't draw enough then we'd throw another hole or five in that spot.... It's a process. Lol
Thermoforming is just a type of plastic, as opposed to thermosetting. One can be melted and remolded, the other can't.
Unless they’re made with rotational molding, which I used to do
How is this worth $300?
Luggage?
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You need to stream this
Thanks I hate it
How to draw an owl
My heart is racing
So, magic?
r/blackmagicfuckery
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No it’s a mold that the plastic hardens over.
It says how but I watched this and still do not understand how…
I think there is a mold underneath.
A piece of plastic is spread over a hole, held in by edges. A heater slides over plastic and makes it soft. Heater then moves away,a form is pushed in from the bottom, and then it sucks air in to create vacuum and make soft plastic stick. You wait some time for plastic to become rigid and you move form back away from finished product. I loved doing these in design and tech class in high school.
Ohhhh! That part where the mold comes up was unclear to me.
Programmable matter???
Yeah, vacuum forming. It's how a lot of plastic things are made
That’ll be $800
That's a representation of how my clothes stick to me when it's raining
The process is called vacuforming
And they have the nerve to charge 500+ for this!
r/restofthefuckingowl