November 2015
Beginner
320 pages
8h 55m
English
book
Motors for Makers: A Guide to Steppers, Servos, and Other Electrical Machines
by Matthew Scarpino
Content preview from Motors for Makers: A Guide to Steppers, Servos, and Other Electrical MachinesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
7. Gears and Gearmotors
If you take an ordinary DC motor from a hobby shop and apply power to its leads, you’ll see that the shaft rotates quickly—hundreds or thousands of rotations per minute. But if you attach a significant load to the shaft, it may not turn at all. This is a frequent problem for makers building motorized systems: The motor rotates at high speed but can’t exert the necessary amount of torque.
A common solution is to buy special motors called gearmotors. A gearmotor is an integrated combination of an electric motor and a gear. The gear increases the torque delivered to the load and reduces the motor’s speed. Now the problem is to select the right gearmotor. Should you buy the 6:1 spur gearmotor or the 26:1 planetary gearmotor? ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.