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Construction Equipment If it digs, pushes, hauls dirt "off road" post it here. |
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#1
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Re: 1/10 Liebherr Excavator R 984 Litronic
very nice
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#2
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Re: 1/10 Liebherr Excavator R 984 Litronic
Hi did you cut all the internal and external gears in you drive? If you did you did a very nice job. Ed
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#3
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Re: 1/10 Liebherr Excavator R 984 Litronic
Hi Ed,
just the internal gears are laser cut. In every drive is a stack of 10 sandpaper-cleaned pieces with a complete height of 20mm. Using thicker material is less/ poor quality. The internal gears were bought online. Sorry for the blurry picture, it shows one of the int. gears. The small brass gear was just for checking. |
#4
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Re: 1/10 Liebherr Excavator R 984 Litronic
Hello so you laser cut the internal gears, I was thinking you cut then your self and was wondering how you did it. Your way is a lot easer than broaching them and also buying the other gears saves a lot of time but you still did a nice job. Ed
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#5
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Re: 1/10 Liebherr Excavator R 984 Litronic
Ed, stay tuned! I'll come up with the turntable next. It has an internal gear, also, but bigger teeth and wasn't lasercut
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#6
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Re: 1/10 Liebherr Excavator R 984 Litronic
OK I sure will be looking forward to that. Ed
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#7
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Re: 1/10 Liebherr Excavator R 984 Litronic
Hi folks,
here now the (original built) turntable. It has an internal gear with 107 teeth, modul 2. This gear are two parts, every one got a radius on the edge for the 5,5mm steel balls. The gear is bolted to the gear carrier with 48 screws. Then there are two outer rings with a radius for the balls, also. They are filled with 135 balls and then evenly closed with 3 screws. The upper body of the excavator will be bolted with 45 screws to the turntable. The internal gear was done by my buddy Michael on his cnc-mill with a 0.4mm endmill. The screws were made by myself, 96 pcs for this turntable and 288 for the Michaels turntable for the R9100. As I mounted the stuff together I found out, that the turntable need much power for turning, so I had to improve. With a sharpie I colored the ball groove and used a 5.5mm Drill shaping the groove with the drill flange, about 3 or 4 times. Now it runs smooth and without any play. |
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