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Author Topic: 1:35 Bucket chain excavator Ertmer KB 1  (Read 12617 times)
Bernhard
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« Reply #210 on: February 19, 2020, 02:00:54 AM »

Hi Volker
Here a better picture of the winches. For the model I found worm wheels with 30 teeth and module 0.2.

Hi Kim
Last week I  got the last parts, the laser-cut chain links. Now I just have to assemble everything (the chain consists of 512 parts!) and paint it. Peanuts!

Bernard


* KB1 162.JPG (228.6 KB, 794x743 - viewed 50 times.)
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Hydrostat
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« Reply #211 on: March 08, 2020, 08:14:17 AM »

Bernhard,

thanks for the picture. Which diameter is such a worm wheel?

Volker 
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I'll make it. If I have to fly the five feet like a birdie.

I'll fly it. I'll make it.
Bernhard
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« Reply #212 on: March 09, 2020, 04:07:34 AM »

Volker, the worm has the following data: m = 0.2 / dt = 2.4 mm / L = 3.5 mm. The worm wheel: m = 0.2 / z = 30 / dt = 6 mm / B = 1 mm. I found the parts here: https://www.sol-expert-group.de/.
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Bernhard
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« Reply #213 on: March 15, 2020, 04:58:02 AM »

The next small assembly is the closing flap on the discharge hopper.
The flap is used to close the discharge hopper, while a full tipper truck is exchanged for an empty one while the excavator is running.


* KB1 163.JPG (228.82 KB, 780x583 - viewed 14 times.)

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Bernhard
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« Reply #214 on: March 15, 2020, 04:58:50 AM »

The flap is soldered together on a small jig.


* KB1 165.JPG (189.81 KB, 737x595 - viewed 15 times.)

* KB1 166.JPG (208.25 KB, 723x513 - viewed 14 times.)
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Bernhard
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« Reply #215 on: March 15, 2020, 04:59:35 AM »

Then there are a few small levers to be done.


* KB1 167.JPG (229.42 KB, 638x557 - viewed 15 times.)
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Bernhard
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« Reply #216 on: March 15, 2020, 05:00:09 AM »

Screw the small levers together with M0.8 screws, …


* KB1 168.JPG (217.24 KB, 709x453 - viewed 16 times.)
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Bernhard
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« Reply #217 on: March 15, 2020, 05:00:52 AM »

… and the movable flap is ready.

Bernhard


* KB1 169.JPG (198.96 KB, 765x692 - viewed 20 times.)

* KB1 170.JPG (199.21 KB, 757x704 - viewed 25 times.)
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TRAINS1941
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« Reply #218 on: March 15, 2020, 07:46:56 AM »

Your work is unbelievable!!

Jerry
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« Reply #219 on: March 15, 2020, 12:31:40 PM »

Most satisfactory. -- Russ
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Ray Dunakin
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« Reply #220 on: March 16, 2020, 12:32:07 AM »

Brilliant!
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« Reply #221 on: March 16, 2020, 05:25:46 AM »

Amazing Bernard!
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Bernhard
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« Reply #222 on: March 22, 2020, 09:56:35 AM »

Thank you, guys. I hope you are all healthy.

Continue by the bucket chain excavator with the railing on the operator platform.Originally, the operator's platform was provided with a weather protection. The photo shows the excavator in its original condition, before the recovery and restoration.
Photo from http://www.feldbahn-riedlhuette.de/Riedlhuette/2010_Eiselfing_Bergung_Eimerkettenbagger_und_Steinbrecher/2010_Bilderuebersicht_Nr_B.htm


* KB1 171.jpg (124.74 KB, 800x600 - viewed 8 times.)
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Bernhard
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« Reply #223 on: March 22, 2020, 09:57:26 AM »

But I'll rebuild it to its present condition.


* KB1 172.JPG (228.26 KB, 649x487 - viewed 6 times.)

* KB1 173.JPG (86.59 KB, 959x819 - viewed 5 times.)
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Bernhard
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« Reply #224 on: March 22, 2020, 09:57:59 AM »

The necessary parts are quickly made.


* KB1 174.JPG (229.34 KB, 950x482 - viewed 7 times.)
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