Actuators, Motors & Drivetrains

New Topic

69 topics

Topics

Replies

Views

Last post

How much does actuator choice actually determine a robot's max payload?

Last post by barbara.jones « Sun Jul 05, 2026 10:41 am
Replies: 12
by barbara.jones » Sun Jun 21, 2026 3:30 am
1

2
12 Replies

91 Views

Last post by barbara.jones
Sun Jul 05, 2026 10:41 am
Anyone reverse-engineered a commercial actuator module? What did you find?

Last post by rtorres « Mon Jun 22, 2026 6:45 pm
Replies: 16
by greta78 » Tue Apr 28, 2026 8:05 pm
1

2
16 Replies

262 Views

Last post by rtorres
Mon Jun 22, 2026 6:45 pm
What's the current best-in-class power density number you've actually verified?

Last post by choi98 « Thu Jun 11, 2026 7:32 am
Replies: 30
by emilyperez » Tue Feb 10, 2026 4:38 pm
1

2

3

4
30 Replies

585 Views

Last post by choi98
Thu Jun 11, 2026 7:32 am
How do commercial humanoids handle actuator failure gracefully (or don't they)?

Last post by zoeanderson « Mon Jun 08, 2026 10:16 am
Replies: 23
by chenperez » Sun Feb 22, 2026 3:29 am
1

2

3
23 Replies

377 Views

Last post by zoeanderson
Mon Jun 08, 2026 10:16 am
Anti-backlash techniques people are actually using in production

Last post by jwang « Thu May 14, 2026 3:00 am
Replies: 30
by chloe_jack » Sun Dec 14, 2025 1:53 am
1

2

3

4
30 Replies

209 Views

Last post by jwang
Thu May 14, 2026 3:00 am
How do humanoid actuators compare to prosthetic limb actuators in design philosophy?

Last post by benjaminsanchez « Tue May 12, 2026 8:49 am
Replies: 29
by mia_lars » Fri Dec 26, 2025 11:29 am
1

2

3
29 Replies

420 Views

Last post by benjaminsanchez
Tue May 12, 2026 8:49 am
What's the real lifespan difference between a QDD joint and a harmonic drive joint?

Last post by chloe_jack « Sun May 03, 2026 8:39 am
Replies: 46
by sharonschmidt » Mon Oct 06, 2025 8:50 pm
1

2

3

4

5
46 Replies

408 Views

Last post by chloe_jack
Sun May 03, 2026 8:39 am
Anyone using open-source actuator designs as a starting point?

Last post by zoeanderson « Fri May 01, 2026 6:51 am
Replies: 29
by servoken70 » Sun Jan 25, 2026 5:20 am
1

2

3
29 Replies

513 Views

Last post by zoeanderson
Fri May 01, 2026 6:51 am
Torque ripple mitigation - control tricks vs mechanical fixes

Last post by green28 « Sat Mar 28, 2026 11:21 pm
Replies: 15
by rtorres » Thu Mar 05, 2026 12:46 pm
1

2
15 Replies

218 Views

Last post by green28
Sat Mar 28, 2026 11:21 pm
What's the deal with rotary vs linear actuators for the ankle specifically?

Last post by larrysokolov « Sat Mar 07, 2026 2:06 am
Replies: 10
by robertmiller » Fri Feb 27, 2026 12:10 am
1

2
10 Replies

205 Views

Last post by larrysokolov
Sat Mar 07, 2026 2:06 am
Actuator weight vs stiffness tradeoff - how do you decide?

Last post by ssantos « Wed Feb 25, 2026 6:27 am
Replies: 22
by james15 » Thu Dec 25, 2025 8:07 am
1

2

3
22 Replies

456 Views

Last post by ssantos
Wed Feb 25, 2026 6:27 am
Anyone modeling actuator degradation curves over thousands of cycles?

Last post by johnrossi « Thu Feb 19, 2026 11:48 am
Replies: 30
by choi98 » Sat Oct 11, 2025 5:45 am
1

2

3

4
30 Replies

406 Views

Last post by johnrossi
Thu Feb 19, 2026 11:48 am
Belt-driven vs direct-coupled joints - pros and cons in practice

Last post by karen.chen3 « Sun Feb 08, 2026 7:27 pm
Replies: 14
by jwang » Fri Jan 09, 2026 9:43 am
1

2
14 Replies

96 Views

Last post by karen.chen3
Sun Feb 08, 2026 7:27 pm
Torque sensing integration - strain gauge placement tips?

Last post by shill « Tue Jan 27, 2026 1:10 pm
Replies: 29
by karen_kim » Fri Oct 17, 2025 4:33 pm
1

2

3
29 Replies

459 Views

Last post by shill
Tue Jan 27, 2026 1:10 pm
How much does actuator supply chain risk factor into company strategy right now?

Last post by carlossanchez « Sat Jan 10, 2026 5:52 am
Replies: 49
by emilyperez » Mon May 19, 2025 6:10 pm
1

2

3

4

5
49 Replies

769 Views

Last post by carlossanchez
Sat Jan 10, 2026 5:52 am
What's a reasonable joint bandwidth target for dynamic walking?

Last post by barbara.jones « Fri Jan 09, 2026 3:17 pm
Replies: 21
by choi98 » Fri Nov 14, 2025 5:14 pm
1

2

3
21 Replies

238 Views

Last post by barbara.jones
Fri Jan 09, 2026 3:17 pm
Actuator cost breakdown - where does the money actually go?

Last post by scott.andersson5 « Thu Jan 08, 2026 8:40 am
Replies: 19
by williams84 » Wed Nov 05, 2025 1:45 pm
1

2
19 Replies

347 Views

Last post by scott.andersson5
Thu Jan 08, 2026 8:40 am
Best practices for actuator bench testing before installing in a full robot?

Last post by james15 « Sun Jan 04, 2026 1:51 pm
Replies: 51
by deborahperez » Fri May 02, 2025 6:28 am
1

2

3

4

5

6
51 Replies

403 Views

Last post by james15
Sun Jan 04, 2026 1:51 pm
Why do so many humanoids use different actuator types for hips vs ankles?

Last post by emilyperez « Wed Dec 03, 2025 2:57 am
Replies: 15
by larrysokolov » Mon Nov 03, 2025 10:29 am
1

2
15 Replies

165 Views

Last post by emilyperez
Wed Dec 03, 2025 2:57 am
Direct drive motors for humanoid arms - anyone running these?

Last post by hill23 « Mon Nov 24, 2025 11:10 pm
Replies: 12
by matthew43 » Fri Nov 07, 2025 1:17 pm
1

2
12 Replies

232 Views

Last post by hill23
Mon Nov 24, 2025 11:10 pm
Ballscrew vs rotary actuators for linear joints (ankles, etc)

Last post by young58 « Sat Nov 08, 2025 8:44 am
Replies: 27
by ethan17 » Wed Jul 23, 2025 7:23 am
1

2

3
27 Replies

441 Views

Last post by young58
Sat Nov 08, 2025 8:44 am
Planetary gearboxes for elbow/wrist joints - failure points?

Last post by erik_novi « Fri Nov 07, 2025 1:20 pm
Replies: 28
by park44 » Mon Jul 07, 2025 12:19 pm
1

2

3
28 Replies

389 Views

Last post by erik_novi
Fri Nov 07, 2025 1:20 pm
Anyone had a harmonic drive wear out early? What killed it?

Last post by pierregreen « Sun Aug 24, 2025 12:31 pm
Replies: 14
by park44 » Sat Aug 09, 2025 3:20 pm
1

2
14 Replies

243 Views

Last post by pierregreen
Sun Aug 24, 2025 12:31 pm
Custom actuator design - where do hobbyists even source the motors?

Last post by diego.moore6 « Fri Aug 22, 2025 11:40 pm
Replies: 10
by karen.chen3 » Thu Aug 14, 2025 3:56 pm
1

2
10 Replies

189 Views

Last post by diego.moore6
Fri Aug 22, 2025 11:40 pm
What torque density are current commercial actuators actually hitting?

Last post by gimbalmar65 « Sat Aug 09, 2025 1:32 am
Replies: 15
by carol.robinson » Mon Jul 14, 2025 12:46 am
1

2
15 Replies

125 Views

Last post by gimbalmar65
Sat Aug 09, 2025 1:32 am

New Topic

69 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum