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Questions tagged [gear]

The tag has no usage guidance.

1
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0answers
15 views

Gearhead & 'teeth-track' to drive rotation of ringed encasement? [migrated]

I am not an engineer, so apologies if this one is a bit of an ill-thought out... Can anyone show me an example of something like the following scenario: A small stepping motor driving rotation of a ...
1
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1answer
77 views

Problems calculating torque for a motor opening a door

I want to make a device that can open a door from a cabinet. The door is about 4 meters wide and about 0.5 meters high. (if the width causes a problem I can split it in 1 meters section with one motor ...
0
votes
1answer
114 views

Servo Vs Stepper for a high accuracy project

Im trying to build a weird idea for academic purpose. Trying to control a real car using joystick. So for the steering purpose and accelerator pedal, without modifying any internal mechanics, what Im ...
0
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1answer
201 views

gear motor can be used as generator

I am in doubt with a motors operation, I am not sure whether this question could be asked here, I have a car wiper motor with two speed operation,It uses a PM dc motor with worm gear inside, so it is ...
3
votes
1answer
58 views

Gearmotor : Principles and usefulness compared to a regular motor

I'm a student in an engineering school and I have a question for professionnals : What is exactly the usefulness of a geared motor that uses a gear to reduce the rotation speed compared to a regular ...
1
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1answer
49 views

Control of motor engagement with shaft

I am using servo and stepper motors for the first time, and have been searching for a solution to this basic problem: I want to drive a shaft with a motor, whereby this shaft also has a ‘neutral’ ...
-6
votes
1answer
1k views

Tee-off, what is it? [closed]

I've been looking for explanation to this term recently but it's still unclear for me. Is it some sort of bolted connection or the beginning part of a busbar ? I'm asking because I found this in MV ...
1
vote
1answer
124 views

Wind turbine design question

I am planning to design a wind turbine that is has rotor blade radius of 0.915m and is connected to a generator. The generators specifications are, it is an ac generator with 5000 coil turnings and a ...
3
votes
2answers
7k views

What DC motor specs do I need to lift a weight with certain gear configuration

I'm trying to determine how much torque, power, voltage, and size I need for my motor in order to lift between 50-100lbs given the gear configuration below. Assume that the motor and gears are ...
0
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1answer
451 views

Required Gear ratio for a DC motor

I am making a dc motor vehicle, it will have 2 drive wheels each powered by a separate motor. For a desired speed and acceleration, how would I go about calculating the gear ratio needed? Info I have ...
0
votes
1answer
1k views

How to measure the torque (of a stepper motor) with a (belt) drive accurately?

I have a project that requires really accurate torque measurement of a motor or a motor + a belt drive. How do I do that? I am guessing that measuring current through a stepper motor is is ...
0
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1answer
1k views

Stepper motor for robot wheel drive [closed]

I'm trying to chose correct stepper motors to drive 2 wheeled robot. I started with geared DC motors, but found they are too fast (I have 27:1 geared), and they provide little torque at low speed. ...
0
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2answers
583 views

Changing Motor Gearboxes to Reduce Current

I am currently using two 12V CIM Motor (Spec Sheet: http://content.vexrobotics.com/docs/217-2000-CIM-motor-specs.pdf) with a gearbox at a 49:1 ratio. I have a LiFePO4 battery that is rated at a ...
2
votes
2answers
13k views

Get current gear from rpm and speed through OBD2

I would like to modify my car with the help of Arduino to display the current gear. I wasn't quite sure where should I post this question as it is a car topic, as well as an electric engineering and ...
1
vote
3answers
648 views

Generating electricity by moving door handle to produce 3 Watts?

I want to attach a generator to a door handle and have the output charge a battery. My system needs to provide about 3 Watts. A similar question was asked here and I referenced it to get an idea of ...
1
vote
2answers
2k views

How can I increase the torque, but not the speed of this DC motor to gear with a potentiometer setup?

Short video of the machine running. It's made of three AAA batteries in series giving a total of 4.5V to the DC motor, these are connected through a potentiometer to control the speed. The DC motor ...
-1
votes
2answers
313 views

Change the motor or the gears?

I wonder, what's better to achieve some given torque? To chose a motor with the Kt that gives that torque or to choose a reduction drive that will output that torque from a given motor? I wonder what'...