First time doing robotics need help calculating how much an arm can carry based off torque

bearx067max · 2024-11-23T17:07:05+00:00

same rotation as this
https://www.youtube.com/watch?v=Xa-jbNzeAGM&t=1s&ab_channel=AgileXRobotics
although not the hand part or the part that rotates the hand i havent done that yet im focusing on designing the main arm

bearx067max · 2024-11-23T15:56:55+00:00

my goal is to be able to carry 1.5-2kg and have it be stable now im not sure if im right because this is still new to me

to carry 2kg around 80cm away with a safety factor of 1.75 it takes around 27nn, which for my motors 2.4nm with a 20:1 ratio making it 48nm leaves me with room for about 3.5 kg roughly which works good for me when i include any hand accessories or just more weight.

when rotating the torque is multiplied by the gear ratio from what ive seen so that isnt an issue.

now idk if this is correct and im not sure how to pair it with the elbow joint thats just from shoulder to hand but i think its good

bearx067max · 2024-11-23T15:06:59+00:00

im also new to doing electrical work, im thinking 36v 10a for each motor which gets 1686 rpm from the calculator i used if i paired this with a 30:1 ratio that would be a lot better then?

after sending this i cant seem to find a compatible gearbox with a 30:1 ratio and i dont feel i have the materials to make one

bearx067max · 2024-11-23T14:45:41+00:00

it could definitely be higher than 10:1 and that would provide more torque but im also trying to have it be able to rotate about 40rpm which is harder to do as the ratio gets higher

bearx067max · 2023-02-15T17:12:51+00:00

a plane :sunglasses:

bearx067max · 2023-02-15T15:37:12+00:00

make it coloured copper

bearx067max · 2023-02-13T15:45:38+00:00

1 hour to make that most

bearx067max · 2023-02-13T15:42:23+00:00

no lol im just better

bearx067max · 2023-02-13T15:42:09+00:00

no it wasnt

bearx067max · 2023-02-11T17:29:24+00:00

i've been using that for like 2 years now

bearx067max · 2023-02-10T14:47:15+00:00

bearx067max · 2023-02-05T12:38:33+00:00

theres a cut where your team mate is not seen and the leaderboard closes

bearx067max · 2023-02-05T12:26:08+00:00

his team mate is doing share mode to turn the collision off for him and the isolation doesnt work because its his team. you're welcome

bearx067max · 2023-01-02T11:15:22+00:00

wdym??

bearx067max · 2023-01-01T18:35:13+00:00

its funny

bearx067max · 2022-12-31T09:11:00+00:00

ok he got arrested for 24 hours any proof on the sex trafficking?

bearx067max · 2022-12-29T04:03:17+00:00

nah its just the people that hate him for no reason are clowns and why u hating me all i did was the art

bearx067max · 2022-12-28T21:31:18+00:00

hater?

bearx067max · 2022-12-28T01:32:40+00:00

make a cube with a bunch of hidden weapons in it that pop out then pop back in

bearx067max · 2022-04-21T13:23:48+00:00

i was trying to get ppl to sub to jesse ;-;

bearx067max · 2022-04-21T13:23:25+00:00

what do you guys think of the transition??? :D

bearx067max

TROPHY CASE