View Full Version : LIEBHERR PR744 DOZER
Hi,
This is my next project, Liebherr PR744 :)
Chassis - brass
Drive - Pololu #1107 1:131
Track - alu track from http://www.rcbrmin.com/excavator-112-%E2%94%85%E2%94%85-metal-track-shoe-%C3%971-pieces-p-683.html
Electronics - my project on Arduino Mega 2560 + VNH2SP30 Shield
Several elements printed on a 3D printer
http://images55.fotosik.pl/691/1ad44390f7bbe318.jpg (www.fotosik.pl)
http://images52.fotosik.pl/691/ba2f1d61fb6e26c4.jpg (www.fotosik.pl)
http://images52.fotosik.pl/691/925dc3007c930893.jpg (www.fotosik.pl)
http://images52.fotosik.pl/691/ef2a58c5a58d593d.jpg (www.fotosik.pl)
http://images55.fotosik.pl/691/7525e5257c62d74a.jpg (www.fotosik.pl)
http://images51.fotosik.pl/689/883605d33aa0779d.jpg (www.fotosik.pl)
http://images52.fotosik.pl/691/992f81f67ccccf9b.jpg (www.fotosik.pl)
http://images54.fotosik.pl/690/ff01684adaca60f4.jpg (www.fotosik.pl)
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http://images51.fotosik.pl/689/25789ce6c894f8cc.jpg (www.fotosik.pl)
http://images54.fotosik.pl/690/49412471deeedaa9.jpg (www.fotosik.pl)
http://images53.fotosik.pl/691/eaee7aa3faacb85a.jpg (www.fotosik.pl)
http://images51.fotosik.pl/689/ed476bc42f456b88.jpg (www.fotosik.pl)
http://images54.fotosik.pl/690/cdfe4206061a9b8b.jpg (www.fotosik.pl)
unix
kaptain Jack
04-18-2015, 09:44 AM
Wow, is that a laser cut? Impressive.
No, laser does not cut brass, this is cut on home made cnc mill.
unix
Azonic
04-18-2015, 03:18 PM
Great start, keep it coming!
Update :)
http://images53.fotosik.pl/691/09c0a8689478e25c.jpg (www.fotosik.pl)
http://images52.fotosik.pl/691/708a28382c9d3397.jpg (www.fotosik.pl)
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http://images53.fotosik.pl/691/7f0ec0660a15ec29.jpg (www.fotosik.pl)
unix
sparkycuda
04-19-2015, 10:05 AM
Excellent work! Nice to see another dozer being built.
Ken
Cooper
04-19-2015, 04:24 PM
Excellent !! Love dozers!! Keep the pics coming. Throw in a pic of your cnc mill, I really thinking of converting one. Thanks!!
CNC :)
http://images51.fotosik.pl/692/41e6136e1609ddb3.jpg (www.fotosik.pl)
http://images54.fotosik.pl/692/9616d96dd39fb87d.jpg (www.fotosik.pl)
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http://images52.fotosik.pl/693/19d65797803e0962.jpg (www.fotosik.pl)
Track :)
http://images53.fotosik.pl/693/13153b7da3d503a9.jpg (www.fotosik.pl)
http://images53.fotosik.pl/693/be0c322a67312b08.jpg (www.fotosik.pl)
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http://images53.fotosik.pl/693/501ba392e281d185.jpg (www.fotosik.pl)
unix
Wow! Nice! Seriously, sooooo awesome!!!
Why an Arduino?
The gears look weak, you might have to slot and key the gear on the motor shaft. I'm not sure if that is the proper term. I had problems with a gear slipping on my loader.
Dude really awesome build, keep the pictures and text coming if you have the time to post them up.
How many hydraulic valves/functions are you thinking of having?
http://images55.fotosik.pl/760/5a5c449cfc2f3ad3.jpg (www.fotosik.pl)
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unix
http://images51.fotosik.pl/758/88d991cfe12a286b.jpg (www.fotosik.pl)
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http://images55.fotosik.pl/760/956dc60d0e50efad.jpg (www.fotosik.pl)
dozerbuilder
07-05-2015, 10:41 PM
Wow! Great build!
:)
https://www.youtube.com/watch?v=gc1Pb3akIHU
Reagrds
Unix
tc1cat
09-12-2015, 04:12 PM
Great video! You really have made a lot of progress since your last update. All of your videos of this build look great!!
kerst
09-12-2015, 06:02 PM
Very nice! Beautiful work.
Kerst
Rvjimd
09-14-2015, 07:17 PM
Very cool! Glad this got bumped, I had not seen this project until now. What gear ratio are the drive motors? And, is the speed/power about right? What battery are you running? Haven't watched the video yet, hope my questions are appropriate.
Thanks for posting!
(Watched the video, nice, can't wait to see the tracks move!)
Jim
Pololu 172:1 geared motors :)
Dozer ready :)
http://images72.fotosik.pl/44/d2b44d4209790b4cm.jpg (http://www.fotosik.pl/zdjecie/pelne/d2b44d4209790b4c) http://images72.fotosik.pl/44/6a21cc5f67cba595m.jpg (http://www.fotosik.pl/zdjecie/pelne/6a21cc5f67cba595) http://images71.fotosik.pl/44/19069d48e455fe2dm.jpg (http://www.fotosik.pl/zdjecie/pelne/19069d48e455fe2d) http://images71.fotosik.pl/44/815619ee3ac6644am.jpg (http://www.fotosik.pl/zdjecie/pelne/815619ee3ac6644a) http://images72.fotosik.pl/44/9f73fcecfb2fed69m.jpg (http://www.fotosik.pl/zdjecie/pelne/9f73fcecfb2fed69) http://images72.fotosik.pl/44/05a9905e30d85b2cm.jpg (http://www.fotosik.pl/zdjecie/pelne/05a9905e30d85b2c) http://images71.fotosik.pl/44/388f4d8701ad7403m.jpg (http://www.fotosik.pl/zdjecie/pelne/388f4d8701ad7403) http://images72.fotosik.pl/44/e86cbd2743fa8f4bm.jpg (http://www.fotosik.pl/zdjecie/pelne/e86cbd2743fa8f4b) http://images72.fotosik.pl/44/975d677003c17863m.jpg (http://www.fotosik.pl/zdjecie/pelne/975d677003c17863) http://images71.fotosik.pl/44/08f175c948198a16m.jpg (http://www.fotosik.pl/zdjecie/pelne/08f175c948198a16) http://images72.fotosik.pl/44/488328659fa440c6m.jpg (http://www.fotosik.pl/zdjecie/pelne/488328659fa440c6) http://images71.fotosik.pl/44/ab435dbedc6360ecm.jpg (http://www.fotosik.pl/zdjecie/pelne/ab435dbedc6360ec) http://images72.fotosik.pl/44/40567a37b2683f82m.jpg (http://www.fotosik.pl/zdjecie/pelne/40567a37b2683f82) http://images72.fotosik.pl/44/cc25bd321693cba4m.jpg (http://www.fotosik.pl/zdjecie/pelne/cc25bd321693cba4) http://images71.fotosik.pl/44/42bdeeb5547fe35em.jpg (http://www.fotosik.pl/zdjecie/pelne/42bdeeb5547fe35e) http://images72.fotosik.pl/44/16731268843ea865m.jpg (http://www.fotosik.pl/zdjecie/pelne/16731268843ea865)
Unix
Rakthi
11-07-2015, 10:26 PM
Great job! Pure eye candy. Wish I had a fraction of your skills.
Digger_Bear
11-08-2015, 07:34 AM
Excellent, love it. Nice paint scheme as well.
Snochaser
11-08-2015, 09:54 AM
Beautiful job.
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