Westlake Publishing Forums
August 12, 2020, 03:24:03 PM *
Welcome, Guest. Please login or register.

Login with username, password and session length
News:     REGARDING MEMBERSHIP ON THIS FORUM: Due to spam, our server has disabled the forum software to gain membership. The only way to become a new member is for you to send me a private e-mail with your preferred screen name (we prefer you use your real name, or some variant there-of), and email adress you would like to have associated with the account.  -- Send the information to:  Russ at finescalerr@msn.com
 
   Home   Help Search Login  
Pages: 1 ... 3 4 5 [6] 7 8 9 ... 22
  Print  
Author Topic: 1:35 Bucket chain excavator Ertmer KB 1  (Read 23840 times)
finescalerr
Administrator
Hero Member
*****
Offline Offline

Posts: 5689


« Reply #75 on: December 06, 2019, 12:44:00 PM »

Remarkable. -- Russ
Logged
Design-HSB
Hero Member
*****
Offline Offline

Posts: 778


Klosterstollen


WWW
« Reply #76 on: December 06, 2019, 03:09:34 PM »

Great construction and implementation, thank you for showing.
Logged

Regards Helmut
the journey is the goal
Hauk
Hero Member
*****
Offline Offline

Posts: 904



WWW
« Reply #77 on: December 06, 2019, 04:19:16 PM »

The profiles are placed in the jig and then soldered at the points of contact.

Very interesting build!
What material did you use for the jig?

By the way, any news on the castings?
Logged

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
Hero Member
*****
Offline Offline

Posts: 4213



WWW
« Reply #78 on: December 06, 2019, 10:33:34 PM »

Wow!!
Logged

Visit my website to see pics of the rugged and rocky In-ko-pah Railroad!

Ray Dunakin’s World
TRAINS1941
Hero Member
*****
Offline Offline

Posts: 1355


« Reply #79 on: December 07, 2019, 10:14:41 AM »

Excellent work!  Don't tell me you solder the joints together with that match!!  Wink

Jerry
Logged

Why isn't there mouse-flavored cat food?
George Carlin
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #80 on: December 08, 2019, 07:29:47 AM »

Thanks guys for your interest.

Hauk:
I usually use MDF boards (medium-density fiberboard) for the soldering jigs. They can be milled very well, with clean edges. However, thin bridges tend to break off easily. For more demanding gauges, e.g. for the bucket ladder, I use Pertinax (hard paper).
I haven't received the castings yet, but I am sure that they are in progress. I will keep you up to date.

Jerry:
Fortunately I have other instruments for soldering!
The whole construction is partly soldered and partly glued.

Bernhard
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #81 on: December 30, 2019, 10:04:16 AM »

The next subassembly is the chain drive.


* KB1 045.JPG (51.92 KB, 702x832 - viewed 80 times.)

* KB1 046.JPG (113.95 KB, 992x850 - viewed 77 times.)
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #82 on: December 30, 2019, 10:05:00 AM »

As drive I use a small Faulhaber motor with a planetary gear.


* KB1 047.jpg (47.19 KB, 640x480 - viewed 77 times.)

* KB1 048.jpg (60.99 KB, 640x480 - viewed 73 times.)
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #83 on: December 30, 2019, 10:05:48 AM »

First the drive beam is milled.


* KB1 049.JPG (201.87 KB, 694x571 - viewed 82 times.)

* KB1 050.JPG (192.04 KB, 694x557 - viewed 79 times.)
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #84 on: December 30, 2019, 10:06:30 AM »

This is followed by the clamping piece for fastening the motor.


* KB1 051.JPG (202.92 KB, 737x613 - viewed 76 times.)

* KB1 052.JPG (190.29 KB, 737x574 - viewed 77 times.)
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #85 on: December 30, 2019, 10:07:09 AM »

Then the two pillow blocks for the drive wheel bearing must be manufactured.
Milling the raw form.


* KB1 053.JPG (224.64 KB, 751x615 - viewed 81 times.)
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #86 on: December 30, 2019, 10:07:39 AM »

Use a quarter-circle cutter to mill the rounding of the block.


* KB1 054.JPG (150.65 KB, 765x664 - viewed 81 times.)
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #87 on: December 30, 2019, 10:08:06 AM »

Drill the hole, then cut off the individual parts with the circular saw blade.


* KB1 055.JPG (172.74 KB, 850x669 - viewed 84 times.)
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #88 on: December 30, 2019, 10:08:37 AM »

The finished parts.
On the right you can see some smaller blocks which will be used on the bucket ladder.


* KB1 056.JPG (213.76 KB, 992x809 - viewed 83 times.)
Logged
Bernhard
Sr. Member
****
Offline Offline

Posts: 385



« Reply #89 on: December 30, 2019, 10:09:19 AM »

And here's the finished drive.
The drive wheel is still missing. I will do that when the chain is ready, so that it fits exactly.

I wish you all a happy new year and a lot of fun with model building.

Bernhard


* KB1 057.JPG (193.17 KB, 680x549 - viewed 95 times.)

* KB1 058.JPG (203.77 KB, 669x548 - viewed 109 times.)
Logged
Pages: 1 ... 3 4 5 [6] 7 8 9 ... 22
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.13 | SMF © 2006-2011, Simple Machines LLC Valid XHTML 1.0! Valid CSS!