We Made Plastic Injection Holders For Resin 3D Printed Molds

We Made Plastic Injection Holders For Resin 3D Printed Molds | Homemade CNC Machine Job

Рет қаралды 106,923

Жыл бұрын

Buy an INJEKTO 2.0 Plastic Injection Machine Kit - actionbox.ca/products/injekto-2
We are still trying to perfect the art of plastic injection at home. In this video we focus on improving the results of injecting parts using 3D printed molds. Our focus was to eliminate the flexing in the plastic molds by using thick aluminum fixtures that we milled out on our DIY CNC machine. These pockets surround the plastic molds very tightly which in theory should eliminate any flexing. Our results were promising, and we will continue to investigate DIY solutions for this common issue.
Hope you enjoy - Alan and Dave
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Пікірлер: 78

@kevinr6721 Жыл бұрын

I am a mechanical engineer who has been working in the automotive sector designing plastic injected parts for the last 7 years. I love your guys' videos and find them fun to watch as you are cresting all the systems we use (at a much smaller scale of course) from the ground up. I primarily design exterior body systems which comprise of multiple cavity small fastener tools running on small one ton presses, to large bumper covers being injected on 4000+ ton presses. If you would like to have a meeting and discuss some best practices to further your designs I would be happy to collaborate. Again, appreciate all the work and effort you guys put into your projects and videos, and hope your channel blows up to the size it deserves.

@ActionBOX Жыл бұрын

Thanks Kevin, I really appreciate your support 😃.

@cubfendi8714 Жыл бұрын

I'm a proccess tech and mold setter. I would love to shoot a resin mold in a low ton press to see what the actual lifetime of the resin would be..

@user-cr4sc1ht9t Жыл бұрын

The amount of softening languages you guys learn in those industry is amazing

@Makex_sweden Жыл бұрын

This channel is growing like crazy and I can tell you work really hard on these videos because they are super interesting! Well done!

@ActionBOX Жыл бұрын

Thank you 😃.

@hollt693 Жыл бұрын

I appreciate how you endeavor to explain all the little details as you go along, like how much to tighten the screws and in what order. I think many tutorial videos tend to gloss over those things as obvious or unimportant, but they can have a profound effect on the outcome of the project, so it's better to mention them than to assume people will 'just know'. I hope your aluminum casting experiments go well. If it proves too hot for the resin, I'd try again with a lower-temp casting metal, as some of them get no hotter than the plastic you're injecting. Actually, I just remembered that I once saw someone cast pewter or tin-bismuth or something in a plain FDM printed ABS mould, so that should definitely work with the resin. Still, I hope the aluminum works.

@ActionBOX Жыл бұрын

Thanks for your kind words and support 😃

@Corpsebeer Жыл бұрын

Great video! Formlabs recently released a white paper regarding 3d printed molds using metal backing plates. They found that high tensile strength, low elongation resin (rigid 10k) performed more cycles than resin with higher heat deflection. It's titled "Injection Molding with 3D Printed Molds: A Technical Study From a Leader in Plastics and Composites". Keep up the good work! Thank you for fulfilling the dream of turning every engineer's garage into a full cycle manufacturing facility.

@ActionBOX Жыл бұрын

Thanks Quinton, that’s an awesome fact that you shared, I’ll pull that paper up in a second here. Glad you enjoyed the video and thanks for your support 😃

@3DPrintStuff Жыл бұрын

This is great, thanks for sharing. DIY injection molding is definitely on my to do list.

@McGutschy2 Жыл бұрын

There are so many ideas.

@ActionBOX Жыл бұрын

Thanks for the comment, I’m really glad you found this useful 😃. Cheers, Dave

@Jacksonhoch1 Жыл бұрын

I love this channel. They just create all their own tools, and I think that’s really cool

@ActionBOX Жыл бұрын

Thanks for your support 😃. Cheers, Dave

@jtwarner13 Жыл бұрын

Loved to see the entire machining process! That and the progression of your projects is very enjoyable!

@ActionBOX Жыл бұрын

Thanks Jonah 😃. I have noticed your comments consistently in every one of our videos, and I really appreciate your dedicated support. Cheers, Dave

@martindieux Жыл бұрын

I work in a plastic inyection factory. It is funny to see how you go from the base of the manufacting, discovering the faults and trying to solve them. You are showing what happens. Molds are quite a piece of engineering, specialy for complex parts. Many of today's molds have hundreds of moving parts just to create, for example, bottle caps. I can give you (or anybody who's intrested) some tips and tricks for your next projects. Just contact me.

@ActionBOX Жыл бұрын

Thanks Martin 😃. This is definitely nonprofessional setup but we will reach out when we remake our fully automated machine. Cheers

@RobertWelchman Жыл бұрын

great video and thanks for sharing. wanted to recommend that you check your Haimer. Your needle isn't returning to zero in the resting position, so your position is likely off. Confirm with an edge finder. There are two adjustments to haimers, the first is to get the stylus on center by adjusting the set screws around the top while reading the center of the indicating ball with a dial indicator and the second is to adjust the dial to read zero by adjusting the set screws around the dial.

@ActionBOX Жыл бұрын

Thanks Robert, I’ll look into it.

@RobertWelchman Жыл бұрын

@@ActionBOX Good deal. I had the same issue. Looks like you're about 4 divisions out, so that's 0.04mm or about 0.0015in. Not huge, but it's there.

@ByDesignation Жыл бұрын

That's a really cool solution. I can see there being universal standards for aluminum housing to hold resin molds.

@GermanDarioCarte Жыл бұрын

Excelente. Saludos desde argentina

@speway Жыл бұрын

So good. Just so good.

@ActionBOX Жыл бұрын

Thank you 😃

@Juanguar Жыл бұрын

3:22 I was typing a question in regards to the shavings but you answered it already while I was typing lmao Thanks

@ActionBOX Жыл бұрын

Hahah, glad we could help. Are you looking for a way to recycle your chips?

@Juanguar Жыл бұрын

@@ActionBOX I was but I kept watching and now know what to do The video was informative than I thought

@ActionBOX Жыл бұрын

@@Juanguar sweet, glad you enjoyed. Thanks for leaving a comment. Cheers, Dave

@3th1xs Жыл бұрын

Nice work!

@ActionBOX Жыл бұрын

Thanks you 😃

@rameezsheikh7576 Жыл бұрын

Mold for a Mold 😂

@ActionBOX Жыл бұрын

Hahah, yeah, we were laughing about that as well 😆. Thanks for watching 😊

@davecoggan9619 Жыл бұрын

I don't see any vents on your printed part. 0.1mm channels by 2mm wide has worked well for me

@ActionBOX Жыл бұрын

That’s a great idea. Thanks for sharing 😃

@p0pe_sam Жыл бұрын

6:12 words to live by

@scottwatrous Жыл бұрын

Next steps probably would be having a way to secure the printed inserts into the machined shell, adressing alignment precision between mold halves using pins or even precision shafts and bushings (vs screws) and then having a rapid way to clamp/unclamp the mold shells, such as, well, having clamps instead of screws. Or having slots and sockets for the screws so with one or two turns a washer is free to escape a pocket and the screw can then be pulled free. And there's many other options there like toggles, Pistons, etc. Since you have a CNC mill and a 3D printer there's no need to go overly simple on the mold design now that you have a working proof of concept.

@ActionBOX Жыл бұрын

Hi Scott, I totally agree. We definitely will be dwelling into that at this point. Thanks for leaving a detailed comment. Cheers, Dave

@CNC-Guru Жыл бұрын

1 degree draft is perfect for injection moulds. Also do higher volume instead of individual part for less consuming time as, Time = Money.

@ActionBOX Жыл бұрын

Thanks 😃

@immortalplayz8946 10 ай бұрын

I subbed

@jasonruch3529 Жыл бұрын

I love ❤️ your videos! How do you like the masso controller?

@ActionBOX Жыл бұрын

Thanks Jason 😃, to be honest I don’t like that it doesn’t have some advanced functions like G84 for rigid tapping. At that price I was expecting more which makes me miss Mach 3, but it’s really easy to set up which is nice😊. Cheers, Dave

@CM-mo7mv Жыл бұрын

I think a channel in the touching sides and adding a teflon gasket so liquid plastic will stay in might prove to be a easier than always having to extract the residuals. maybe adding a non stick spray ?

@ActionBOX Жыл бұрын

I agree. That’s definitely an easier way for home injections. Good catch.

@vnkkhare078 8 ай бұрын

Where is the next video that you promised at the end of this video? Can't find. Can you please help? Was that video made?

@user-ng8uk4op5t 3 ай бұрын

Berapa biaya untuk membuat mold alumunium casting dengan balok besi 6x15 lebar 3cm

@Zach-vv6nx Жыл бұрын

You could drill and tap holes on the backside of the pockets so you can run a bolt in to easily get the molds out.

@ActionBOX Жыл бұрын

Agreed, that’s a great idea. Thanks for sharing Zach.

@Gogi58 Жыл бұрын

Fantastic.

@Jimunu Жыл бұрын

Curious on how you will do the aluminium

@ActionBOX Жыл бұрын

Stay tuned, we are working on it 😀

@caramelzappa Жыл бұрын

Love the videos. For me what I'm finding is that injection molding takes a lot more manual labor than 3d printing. Printing takes longer, but it allows the parts to be produced while I'm sleeping or working on other things. This requires my complete attention and focus. So I'm not sure the niche of production where this would make the most sense. If I'm going for a lot more volume than my printers can handle, it likely makes more sense to just get them produced somewhere rather than have production monopolize all my time, or train and pay an employee to run the injection molding.

@johanness6545 Жыл бұрын

"the niche of production" injection molding is the way, almost any industrial product in our world is made of. 3D printing is the niche, not injection molding

@KJMcLaws Жыл бұрын

This is perfect for in between low volume 3d printing, and paying a hundred thousand to get tooling for a only moderate number of parts.

@jyvben1520 Жыл бұрын

have a another vertical hole to take the excess, the alu blocks could easily be replaced by heavy steel plates that slot in. and those would be only limited by the injection chamber height.

@ActionBOX Жыл бұрын

That’s a good suggestion, in hind sight I definitely should have added an escape channel. Thanks for watching and sharing your thoughts. Cheers, Dave

@prabhud3426 Жыл бұрын

I suggest to use diffrent cooling media. Kerosene makes a good cooling media for aluminum machining

@ActionBOX Жыл бұрын

Why do you recommend something different if what I have worked? Just curious 🤔. Cheers

@prabhud3426 Жыл бұрын

@@ActionBOX 2:35. Kerosene won't make the aluminum chips stuck like that.

@capivaraofwar Жыл бұрын

Well, what about that wire edm machine?

@ActionBOX Жыл бұрын

Working on it. 😔. We’ve been busy, but it’s still in the books 😃. Cheers, Dave

@richiskinner9810 Жыл бұрын

I'd like to know how many parts you'd have to make in order to save time using incection molding vs. investing all that time and money into 3d printing

@ActionBOX Жыл бұрын

That’s a great question, we’ll have to give that a try and do some calculations. Cheers

@user-cr4sc1ht9t Жыл бұрын

So where is your mold release

@ActionBOX Жыл бұрын

Still in the store 😜. We didn’t use any, it worked fine without

@yurycz8933 Жыл бұрын

👍😂

@Thorhian Жыл бұрын

Next step, buy some decent steel and mill out both halves of the mold entirely.

@tristansimonin1376 Жыл бұрын

you loose the whole point of this project. Making conventionnal mold is very expensive

@ActionBOX Жыл бұрын

Our point is to explore the possibility of using 3D printed molds for plastic injection. Hope you enjoyed the video regardless.

@Thorhian Жыл бұрын

@@ActionBOX Sorry lol, I just really want to see more action from that awesome homemade mill. Have a good one.

@hollt693 Жыл бұрын

@@ActionBOX If I recall correctly, PepsiCo recently partnered with Nexus3D to make FDM printed PEEK moulds that fit in a metal master shell (much like you've done), except for blow moulding their bottles, rather than injection moulding. So it certainly seems like a commercial viable strategy.

@ActionBOX Жыл бұрын

@@hollt693 I didn’t know that but that’s really cool. Thanks for sharing 😃. Cheers, Dave