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Author Topic: 1:35 Bucket chain excavator Ertmer KB 1  (Read 1763 times)
Bernhard
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« Reply #30 on: November 07, 2019, 07:39:49 AM »

Peter, thank you for the link. I know Brogioli Casting. They have seen the sample part. They tried to cast it, but unfortunately without success.
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finescalerr
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« Reply #31 on: November 07, 2019, 01:32:54 PM »

It's possible you would find a commercial jeweler more helpful. A guy who creates parts for the fashion industry probably could do what you want. No, I don't know anybody but that might be a niche you could explore. -- Russ
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Bernhard
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« Reply #32 on: November 08, 2019, 04:06:56 AM »

Signs and miracles still happen! After I was in contact with Hydrostat about the problem, I simply tried to call the supplier of the sample part again this morning. He didn't answer again, but then he actually called back an hour later!
He shut down the company for the last 10 months due to certain problems. But now he is back at work with new energy and a new printer. And my buckets are to be delivered by the end of November at the latest.
I am really relieved!

Bernhard
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Hauk
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« Reply #33 on: November 08, 2019, 04:21:02 AM »

Signs and miracles still happen! After I was in contact with Hydrostat about the problem, I simply tried to call the supplier of the sample part again this morning. He didn't answer again, but then he actually called back an hour later!
He shut down the company for the last 10 months due to certain problems. But now he is back at work with new energy and a new printer. And my buckets are to be delivered by the end of November at the latest.
I am really relieved!

Bernhard

Excellent news! A caster that can cast walls 0.2mm thick is close to what I would call a casting genius. Do you know if he is open for more business? I would love to try his services.
Look forward to see the bucket castings!
« Last Edit: November 08, 2019, 05:11:14 AM by Hauk » Logged

Regards, Hauk
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« Reply #34 on: November 08, 2019, 06:51:40 AM »

Hello Bernhard,

congratulations and I am certainly as excited about the result as you are.
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Regards Helmut
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finescalerr
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« Reply #35 on: November 08, 2019, 01:11:54 PM »

I'm glad you didn't have to follow up on my suggestion. Please post photos of the parts when you receive them. -- Russ
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Ray Dunakin
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« Reply #36 on: November 08, 2019, 11:13:00 PM »

That first casting is amazing. I'm glad you can still get the rest of them from the original supplier.
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Hauk
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« Reply #37 on: November 09, 2019, 02:35:32 AM »

Bernhard, could you tell us a little more about  the master for the casting?
Is it entirely handmade?
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Regards, Hauk
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”Yet for better or for worse we do love things that bear the marks of grime, soot, and weather, and we love the colors and the sheen that call to mind the past that made them”  -Junichiro Tanizaki

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SandiaPaul
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« Reply #38 on: November 09, 2019, 06:21:38 AM »

How was the master for the casting made?
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Paul
Bernhard
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« Reply #39 on: November 10, 2019, 08:10:57 AM »

Thank you guys for your interest in the castings and for your support.

Hauk, the supplier of the parts is Pfister Feinguss in Lengnau, Switzerland (https://www.pfister-feinguss.ch/).
He told me that he wants to focus on jewellery and model making in the future. So your chances are good.

Hauk and Paul, what you see in replay #27 is not the master, but already a casting. At the beginning of the manufacturing process is my step file of the bucket. This enables the supplier to print a wax plot for each individual part. You can imagine that the handling of these thin-walled wax parts is already a challenge. The parts are then casted in a vacuum casting machine.
Now I'm excited about the series!

Bernhard
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5thwheel
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« Reply #40 on: November 11, 2019, 12:25:54 AM »

Great looking project. Like the buckets.  It looks like something I would have built in my earlier days. I probably would have fabricated the buckets and chain myself.

Bill Hudson
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Bill Hudson
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Hauk
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« Reply #41 on: November 11, 2019, 08:03:02 AM »

Hauk, the supplier of the parts is Pfister Feinguss in Lengnau, Switzerland (https://www.pfister-feinguss.ch/).
He told me that he wants to focus on jewellery and model making in the future. So your chances are good.

Thanks a lot for the link!
I checked out their webpage and Facebook page, and it is incredible what this company can achieve.

https://www.facebook.com/pfisterfeinguss/

Scroll down to the O-scale wagon braking gear, it is almost unbelievable that it has been cast as one piece. This is truly state of the art.
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Regards, Hauk
--
”Yet for better or for worse we do love things that bear the marks of grime, soot, and weather, and we love the colors and the sheen that call to mind the past that made them”  -Junichiro Tanizaki

Remembrance Of Trains Past
Ray Dunakin
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« Reply #42 on: November 11, 2019, 09:14:44 PM »


I checked out their webpage and Facebook page, and it is incredible what this company can achieve.

https://www.facebook.com/pfisterfeinguss/

Scroll down to the O-scale wagon braking gear, it is almost unbelievable that it has been cast as one piece. This is truly state of the art.

Wow!
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Bernhard
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« Reply #43 on: November 13, 2019, 09:36:49 AM »

Now that the problem with the buckets has been solved, it finally starts with the realization of the excavator. The first subassembly is the base frame.


* KB1 012.JPG (169.84 KB, 1328x842 - viewed 8 times.)
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Bernhard
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« Reply #44 on: November 13, 2019, 09:37:30 AM »

For soldering most parts I use the holy grail of soldering technology, a resistance soldering device!


* KB1 013.jpg (227.04 KB, 765x555 - viewed 12 times.)
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