WHF 17 PLASTER MOLDING
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- Опубликовано: 14 окт 2024
- This begins with making a plaster follow board, which speeds up the molding process for the LaFrance Fire Engine bell topper.
The rubber molds being made are for the Zimmerman shutter brackets. Once the rubber molds are complete(stay tuned), these will be used to create resin copies that will serve as the actual patterns. Once the resin copies are made, these, like the eagles, will have a plaster follow board to manipulate the parting line for speedy production. The max spindle sander, provided by Mr Larry Schweitzer has been a major go-to tool for not only pattern work but, as seen,is dandy for applying a superb sealing surface that prevents the rubber from leaking.
The gear supplied by Keith Rucker (Vintagemachinery.org) will be cast in next week's video.
Also, I include a box opening from Mr Larry Howle (@helicopterdriver) , who made the WINDY HILL FOUNDRY anvil pattern. He provided us with stickers along with a humorous pattern. Mr Howle and I have something interesting planned for you at a later date.
No animals were harmed in making this video.
#casting #foundry #vintagemachinery #madeinmississippi #castiron #molds #aluminum #anvil #plaster #lafrance #zimmerman #lubrication #oiler #art
A great video Clarke. Thanks for sharing!
Fascinating, always! Love to see old school patterns as well as the 3D printed ones! You def bring 'art' to this process Clarke! Thanks for making these videos so we can watch over your shoulder!
Like the Atlas Power Co. box in the background during pouring. 😂
🤣
Caught my eye too. Like, do I see the word "explosives" and are those tubes dynamite? Yes and ???? .... where's road runner and Wile E?
Nice, Atlas powder company!
appreciate the hard work you and yours puts in
I think when the wood got wet from the plaster it swelled up.
LMAO - LOVE the sign at the Shop - I have one that says "DANGER - Not only with this kill you, but it will HURT the whole time you are Dying!"
As I was watching this, a process I once saw came to mine. This company was pouring Cast Iron Street lights. The mold's post part was in three sections. To get the mold out, they removed the center section first, leaving enough room to get the outside section out. I know you're probably done with this order, but having the base in three segments might be an easier answer.
Those birdies turned out quite nice.
The eagles look good.! Bob
You might try shellac, on the wood.
They look good thanks for sharing
Thanks for the video keep on keeping on.
19:25 91% Isopropyl alcohol will dissolve the adhesive on that tape without harming the silicone or urethane molds.
Next time you make a set of forms, cut a 3/8” deep v groove in the inside of the wood forms to let the resin in the sand grip better. Those 1/8” saw kerfs aren’t cutting it and could lead to shifting.
I'm curious as to why you didn't mold the runner in the plaster when you did the model?
Atlas Powder Company, lol.
4:41 you should have used waterglass on the bird. It separates from the plaster easy that way.
Have you ever watched olfoundryman on RUclips?
As a jeweler I would cast those birds vertically to eliminate having to cut all of those runners and gates and the cleanup they need. They should fill fine.
I was thinking lost wax might work.
@@davidrush4908 Kind of big for wax. Plus he’s not set up for wax. If you look at how they do high volume sand casting it is vertical. Since this is a stock item like the straight edges follow boards for the patterns and vertical flasks would speed production.
@@paulmace7910 Yeah, I thought that it might be too big and I'm pretty sure he's not equipped. I was thinking more along the lines of details being lost in sand.
I didn't realize the sand was so moist. Do you dry the molds before you pour them?
Sand looks pretty moist during cope and drag. No problems, we guess.
Would have run sprue into other end of eagle to reduce shrink, but ok.
I'm not the sharpest bowling ball in the china cupboard.... but I did have a hard time following these processes today. I'll catch up.
ACME. Now that's funny!
What was the failure rate of pre 1940 foundry’s?
Next time use the olive oil spray way better then the butter flavor spray lol
Is that your daughter modeling the hat
Keith Rucker has mentioned you channel many times and I thought I would see what's on offer. My first choice of videos was Tally Ho Capstan what a choice - within a few seconds you see a sign behind the presenter proclaiming "Warning, No stupid people beyond this point" What a massive insult to any inquiring mind to learn/understand the processes of a foundry. An intelligent business person would have a sign "Staff Only" for a restricted area but looking at the position of the sign many would think that they were entering an office. Now I can understand why you only have 22.2K subscribers this "STUPID" attitude towards potential viewers/customers will continue stifle your growth.
Thanks for reaching out. That sign is a comedic symbol to reinforce the reality of how dangerous the work performed at WHF can be. Most of my subscribers get it and find this hillarious. Anyone triggered by this would be the very ones that don't need to be in dangerous environments.
the plaster mix looked pretty lumpy