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1 vote
1 answer
63 views

How to convert the winding of a radial electric motor to a linear tubular electric motor?

There are winding scheme/calculators and tutorials online for conventional electric motors, but I can't find any clear method of wind linear tubular electric motors. For example, this is the winding ...
Fulano's user avatar
  • 370
1 vote
1 answer
114 views

Transistor biasing arrangement

I am trying to learn about transistor biasing, and can’t seem to wrap my head around it. First of all I’ll explain what I’m trying to accomplish. I’m trying to build a linear 0-100 V power supply ...
Infernoman's user avatar
-2 votes
1 answer
87 views

DC motor remote control with one push [closed]

I am planning to use 2 actuators as a gate opener. The linear actuators are hooked to a DC motor controller, with remote, so I can open/close the gate by either press and hold one of the two buttons ...
A h's user avatar
  • 15
0 votes
0 answers
91 views

Traveling magnetic field

I'd like to do some experiments with a traveling magnetic field. To start with, I'd like to create a traveling magnetic field with a set of coils and try to propel an aluminum sheet. A basic model of ...
Zwaan2002's user avatar
1 vote
2 answers
133 views

What is the current classification of linear motors used for positioning and scanning applications?

I am doing some research on positioning and scanning systems but I am encountering some problems trying to categorize linear motors. I can't understand what type of linear motors based on induction ...
G M's user avatar
  • 326
0 votes
1 answer
708 views

DIY 3-phase fast linear actuator

I have a need for a FAST linear actuator of which I may control position and speed reliably. I have already been looking into pnuematics, however it does not seem that this will fit my needs (I am ...
Carlo's user avatar
  • 43
0 votes
3 answers
1k views

Is my 2 relay h-bridge safe?

I am trying to control a linear actuator using a cheap remote controlled 2 channel relay (it controls a gate for my workshop dust collector). I'm think it's as simple as connecting each relay the same ...
DaveInPA's user avatar
0 votes
2 answers
2k views

L293/L293D/TB6612FNG current limitation for Motor Driving operation

For driving a linear motor, i wanted to use some motor driver IC among L293 or L293D or TB6612FNG. And motor which I am using, has a voltage rating of 12V and current rating is unknown. And according ...
akhil vijayakumar's user avatar
0 votes
1 answer
254 views

how can i build a cheap linear actuator [closed]

I need a linear actuator for my IOT project but how do i make one and how do i use python to control it? i saw videos of people making it with glue sticks and servos but i don't think it will be ...
TechDinoKing's user avatar
1 vote
2 answers
1k views

Can I power two linear DC regulators, each running a motor, from a single 12v source?

simulate this circuit – Schematic created using CircuitLab I am building a twin air pump for a pond, powered by a 50W PV system with charge controller connected to a DIY fused DC consumer unit. ...
Mark's user avatar
  • 11
1 vote
2 answers
2k views

Linear actuator torque control

I want to build aplication where I will provide defined force with linear actuator. DC motor is going to be stalled most of the time and and controlled torque should be applied. So at the actuator ...
Dado87's user avatar
  • 21
0 votes
1 answer
181 views

What are the effects of the different design parameters when building a linear motor?

I am trying to build a so-called "ironless" linear motor. Conceptually, they are quite simple. Linear motors, generally speaking, are just like rotary motors but "unrolled." As I understand it, the ...
krfkeith's user avatar
  • 113
2 votes
3 answers
553 views

Budget alternative to fancy linear slide

I have been checking out nice 1D linear slides such as this and this and this. Especially the first one is really nice since it has a built in encoder and a controller with RS232 interface. However, ...
Theodor's user avatar
  • 375