DIY Hydraulic Press Upgrades - Addressing Concerns
Beefing up my DIY hydraulic forging press! These are simple upgrades, and I feel like they're no brainers. This press has been doing a great job for me since refurbishing / rebuilding!
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Grade 9 Bolts - www.mcmaster.com/catalog/128/...
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Here is the original build - kzhead.info/sun/pJlxma2mrICqhZE/bejne.html ------------ Also... build a hydraulic press at your OWN risk. This stuff can be dangerous.
New Sub here. Appreciate your attention to detail and your forthrightness. I am not a knife maker but my 10 year old son started a classes with 4H in metal fab/forging and practical wood working. Last project for the year will be a design-n-build knife. Thank you for showing your process.
Heck yah, good luck on the project!
hey James, I don‘t think you had to replace the bolts. They just hold the guiding plates and see only a fraction of your pressing force. But you are absolutely right by stating to always overbuild
I agree!
By the way, bolts are never calculated using shearing force. You need to calculate the friction force between the two parts you are connecting and then design the bolts to supply the required clamping force….
lol. I didn’t even think about it when you said you torqued it to 14,000 ft pounds! 😂
LOL, gotcha! ;)
I need to watch the build video for your press. It looks simple enough to build.
Seems better to me!
Looks good! Not sure if you have a foot control or not. If not that would be a cool upgrade as well. :) As far as the bolts go. I always avoid shear loads on my bolts and try to design things to utilize the bolts tensile strength. (as you point out in the video the tensile strength of a bolt far exceeds is shear strength). If you need to bump up the shear strength of a bolted connection you can use dowel pins. That is were they shine. The hard part of dowel pins is most people (who don't have a knee mill or CNC) can't drill and ream them in a location that is precise enough for assembly. The trick for a DIY guy is to drill and ream thru both plates at the same time after they are bolted together then hammer in the dowel pin. :)
That's a good point. Getting them out could be tough too. I feel like if someone wanted to go over kill they could put 12 - 1/2'' grade 9 bolts on both sides and never worry about it again. lol
@@RedBeardOps In the machining world we normally do a press fit on 1 hole and a slip fit on the matting hole. I guess you could drill both at the same time for location than ream 1 to a PF and 1 to a SF. I'm sure that guy with 12, 1/2" grade 9 bolts is out there some were. hahaha.
Nice work.
Thank you! Cheers!
Nice upgrades.
Thanks 👍
I think while I had it all apart I would’ve changed the bolts to half inch 13. That would increase your safety merge in a little bit more. Great video nice looking press
This is a very good point. I was lazy in this regard ... 1/2 bolts would be the right answer
Damn it man! I was watching this video and my wife saw your shop and started grilling me about, "why can't our garage look that nice!?" And, " see if he can make his shop look that nice why can't you? " lol just kidding around and wanted to share that with you. I do have a bit of an organized mess, I guess. I have a bad habit of collecting " future project materials." And the hoard gets a little out of hand sometimes. Your shop is one of the cleanest and well organized I've seen. You do really nice work man. I'm almost 5 years in forging now and I've been watching you for at least a couple of years now and you always have good info, even when it's something I'm familiar with, I watch it with an open mind because people tend to have their own unique methods for everything and I'm never against learning a new, faster, or better way of getting a job done. You've come a long way in production quality. Looks great! Cheers man. Keep up the great work!
Thank you greatly Dustin! I have a ton to learn still for sure... The build series I'm starting to post this Friday will prove that! lol
thanks for the video James im gonna have to do the same to my press do you happen to have lnks to bolts and washers Mark👍
Sure thing! Grade 9 Bolts - www.mcmaster.com/catalog/128/3435
Nice, looks like you got most of the slop out.
Cheers sir!
I have another question! I’m 14 and love your vids! I bought a 1x30” belt sander some 1084, g10, pens, wood and bricks to build a forge. But my question was do you have a good first knife design? I have a 3d printer so if you had a 3d model of it I could print it out to trace. Thanks
I have a good drawing for your first knife in the description of this video. PDF - kzhead.info/sun/ltyLh62umKCwn6s/bejne.html
Kid, I cannot help but recommand you the template sections from the DC KNIVES blogspot. I've always loved knives, and now, i make them professionally for a living. Never stop believing in yourself pal. Valentin, from France.
theres templates online but honestly get some paper and draw out a knife you like, theres no set way a knife has to be so make it whatever shape you want mate
and just incase you aren't already aware, wear a respirator when grinding g10 as those glass fibers are nasty and you do not want to breath them in
I'm glad you took the commenters advice , damn fine press I must say
Cheers! Thanks
3:54 seconds in the video, is the video playback speed normal? I wanted to see how the 11 gallons per minute hydraulic pump would perform under real conditions. I'm building my hydraulic press and these two videos of yours have been very helpful to me, I didn't know anything about hydraulics before this. 🍻
Here is an example - kzhead.info/sun/i62pn8qbnaRurYk/bejne.html I wouldn't want it any faster
Fact based upgrades. Best kind
Cheers, thank you
HELLO, WOULD YOU HAVE A VIDEO ON THAT SURFACE GRINDING ATTATCHMENT?
He does yes.
kzhead.info/sun/krVrkdmifGWmiqM/bejne.html
@@RedBeardOps Thanks, I loved the configuration grinder and I'll make one. In fact, for my purposes, it is perfect and has solved an issue that's been plaguing me for some time. Cheers.
She’s perfect for drawing molten steel.
Hello it's me again. I'm almost done with my first ever knife! But the only problem I have is to make a knife sharp ( the top of the knife is the same as the bottom ) . Can you please make a video on how to sharpen it with no fancy equipment? Thx a bunch 😀 (And if I can get your email to send you a picture of what I ment)
redbeardops@gmail.com
MR red beard i watch your work over on the press ,and i can say you need not change bolts far ther no force on them at all What they do is hold side plates on thats it your force of weight is on piston rod only and big pin at top . your weak point is the pin and cast iron but it take a lot of force to break pin the cast iron is weaker than pin but you are ok ever where on cyl and pin, cast iron . im in the process of building a dump trailor 10000 lb lift an dump i have same forces as you have on cly
Thanks for the notes Geral, Cheers!
👍👍🍻🍻
Not a structural engineer, but clearly you’ve stayed a Holiday Inn Express or 2!!
At least 2! lol
I spotted a calculation error in your Excel sheet, James. You had the total force as 54 tons, but you forget to factor in the exponential effect that a beard has on the overall performance..... You have underestimated by an order of magnitude. 🤓🤣🇬🇧🙏🏻🇺🇸
LOL! Good point sir! Cheers
should just make the whole press out of bolts infinity shear strength
I think that could work!
14,967 ft lbs.!! LOL, that sucker ain't goin anywhere!
LOL, darn right!
If you add a beard it will do 30-35 tons easy because of science. Just something to think about. Thank you for the great videos
Great Point Steve! lol