Rotating claw remix
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Slightly modified rotating claw to accommodate a much cheaper but slightly larger and still potent servo.
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- Printables
- Kategoria
- RC & Robotics
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- Creative Commons — Attribution — Noncommercial — Share Alike
I loved the idea of the rotating claw attachment! What I didn't like as much was the cost of the chosen servo…
So I scoured AliExpress for a suitable replacement and came across this:
- DSpower DS-S007M 21g metal gear 4.2kgf.cm mini servo https://nl.aliexpress.com/item/1005005053639506.html
It has enough power to grab and lift a 250g spool of solder wire as shown in the picture. (It needed the pushblade to stop the excavator from tipping over…)
In order to fit this slightly larger servo I remixed the servo housing. Minor side effect was that the housing also had to be a bit wider, so I had to alter the claws accordingly.
When I had to remodel the servo holder anyway to fit the new servo I also put the mountpoint in the center.
Since my 5 year old son was going to play with the excavator (and because I had some money to spend, which I saved on the cheaper servo, I wanted to incorporate a slipring in the claw as well).
So I found a suitable 6.5*8mm 4 wire slipring:
https://nl.aliexpress.com/item/1005006892054792.html
In order to fit the slipring I had to change the output gear.
Both the output gear and servo holder sill accommodate the original hole to fit the servo connector through if you want to skip the slipring and just use the cheaper servo.
The numbering of the files is the same as the original so you'll know what parts to replace.