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Agricultural and Industrial Equipment A place for your agricultural, industrial, and other heavy equipment builds!


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  #1  
Old 06-19-2012, 04:26 AM
caterpillar caterpillar is offline
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Default CAT 320 excavator

I finally completed the drawings for the cat 320. I have sent the cad files off to get the parts cut by the water jet. All parts will be made out of aluminum.
The parts kit I created contains:
- 4 buckets in different sizes
- undercarriage (excl. chains)
- cabin and body of the excavator
- baseplate for boom
- boom
- arm

if you are interested in the kit, let me know. if i have several people who want the kit, I should get a better price for the kits.

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  #2  
Old 06-19-2012, 09:05 AM
JAMMER JAMMER is offline
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What scale is the excavator? Ed
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Old 06-19-2012, 12:20 PM
elvis65 elvis65 is offline
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Hi there.
Very intrested in a kit, would you ship to the uk.
all the best
dave
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  #4  
Old 06-19-2012, 03:32 PM
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also very interested
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Old 06-20-2012, 02:06 AM
caterpillar caterpillar is offline
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Good point Jammer, I forgot to mention that. Scale is 1/16. I have ordered the parts (can't wait for them to arrive). Ill be posting pics as I will put it together. You will be able to follow progress
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Old 06-20-2012, 01:59 PM
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I'm interested, but cost dependant...also what do you use to join the metal? my MIG skills are pointless...
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Old 06-20-2012, 05:46 PM
super2222 super2222 is offline
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I'm interested, but it depend on the cost
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Old 06-21-2012, 01:13 AM
caterpillar caterpillar is offline
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Stay tuned, I'll start posting material on the building as soon as I get all parts in. only when its meeting my expectations, I will offer it for sale. I tried to build up the parts so a minimum of welding is required which could be done with a flux brazing method. When I designed it, i had in mind to create parts of excellent quality that can be put together with a limited amount of tools or machinery. I don't have a full blown workshop either. so I am also excited to get started
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Old 09-05-2012, 02:35 AM
caterpillar caterpillar is offline
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Holiday season is over! so I will make some time available to continue my project. Yesterday I received all my Aluminium parts.

Total weigth of the parts is 4.5Kg and all together 482 pieces.

I still need to clean up the parts with some sanding paper to remove traces from the laser cutting.



I have 3 sizes of buckets that will come with the kit



I added a few CAT logo's. That is always nice to create the final touch



Once I complete the sanding I will start putting some pictures and explain step by step the building process.
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Old 09-05-2012, 02:57 AM
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I'm waiting for updates and price !

best regards from France
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Old 09-05-2012, 10:25 AM
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cosworth34677 cosworth34677 is offline
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wow looks like a pile of fun watching this build!
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Old 09-05-2012, 03:13 PM
caterpillar caterpillar is offline
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Quote:
Originally Posted by CactusZeBest View Post


I'm waiting for updates and price !

best regards from France
Pas de probleme Cactus. I have spent a few hours of "dremel fun" and sandpaper fun to clean up all the parts and removed all the excess material that the laser cutter left. So now I am ready to start putting the beast together
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Old 09-06-2012, 11:19 AM
caterpillar caterpillar is offline
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day 2.
I started to built the boom and the arm and the body/cabin of the excavator. I started by preparing a few 4mm rods with a length of 50mm to hold the boom and arm parts together until all pieces are fitted. I still need to put the 2 mm screws in.

I sorted all the parts needed for the arm










and finally the side plates to complete the arm.





For the boom it went just as easy. I put everything temporary together for now. I will still need to buy the screws.



Four units in the middle and then the 2 cylinder attachment plates added







that is how the arm looks when completed (without the screws)


and the arm and boom fitted together





I wanted to do only the boom and the arm today but when they were completed I couldn't resist to start working on the cabin and got quiet a parts fitted together



I have created an inlay to help with the fixation for all the body parts.

Here a picture with the 2 inlays mounted












I still have quiet a way to go to add all the backparts for the body








I use a 2 mm threaded rod to assemble and fix all the backplates. Its pretty easy and very ridged.




the body is starting to take shape



so far everything is still put together temporary. I have used some tape to recover my clamps as I will need them later in the built.


and this is the end result of todays work !!



I won't be able to do any more work until next week. I have a busy weekend coming up. I promise that I will continue next week and post some more pictures.
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Old 09-06-2012, 02:14 PM
Armodon Armodon is offline
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Lookin real nice! Let me know the kit price when you get time.
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Old 09-07-2012, 01:38 AM
caterpillar caterpillar is offline
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Thanks very much for the nice comments so far.

I also would like to mention that I am getting a lot of private messages asking for a copy of the drawings. I am not planning to sell any of the drawings. I spent months creating them and will not sell them. So please do not PM me asking for the drawings. If you want me to cut the parts for you, that's a different thing and I am willing to look into that.

back to the building log...
Here is how the body looks with all the counter weight plates in place.


I also cut out a few logo's to add on the body and boom





the body is nearly finished. I still need to cut out he baseplate and parts to hold the boom.





For the 360 degree swing, I have made two round plates which I will mount a slip ring on with a motor and gear.



Next on the agenda will the the undercarriage
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