All Questions
Tagged with linear-motion linear-motors
16
questions
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111
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Method to achieve a constant force no matter the actual velocity when under load
So, this might be a somewhat strange need, as I don't seem to see many resources on this. I'm trying to create a device where I can set an amount of force for it to generate, and when it would behave ...
- 13
1
vote
1
answer
38
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Linear actuator that extends more than its retracted size
I'm trying to build my standing desk and has been studying a lot of them, but have not found a CAD or Technical Drawing of them mechanism. Obviously, as an Engineer, I assume that it uses a Lead Screw ...
- 41
1
vote
2
answers
32
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What motors would be suitable for linear actuation in 1-2mm footprint?
I need to control simple braille (text for blind people) array with tiny rods. I don't necessarily have to control the precise location. A linear actuator with on/off states would be enough. However, ...
- 11
1
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0
answers
254
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Lifting a table using linear rails and linear actuators
I'm trying to design a coffee table for a tightly constrained space that can lift up to become a dining table. I've drawn the CAD for this design, but I'm concerned that the moment arm on the linear-...
0
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1
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94
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Looking for a linear actuator that can carry a transverse load? Does such a product exist?
I am looking for a product that works like a linear actuator where you can control how far it extends but it can also hold a transverse load at the furthest point of extension.
What I am looking for ...
- 1
0
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0
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39
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Design of a linear actuator that is only 5 mm wide
I have to design a linear actuator with a maximum movement of 3 cm back and forth and a maximum force of 5 N. The only constraint I have is that it can only be 5 mm wide. There's no real constraint ...
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0
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1
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247
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How do I calculate the total force required for a linear actuator? [closed]
How do I calculate the total forcerequired for a linear actuator?
The image enclosed shows a series of door panels, each with a cam that i would like to connect to a linear actuator on the right hand ...
0
votes
1
answer
71
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Motor Power for vertical lift in linear slide mechanism
I want to pull up and down 10 kg metal cylinder at 7 inch vertically by using linear slide mechanism in 1 second. What should be the motor rpm, gear type, torque, watt etc? Otherwise how to calculate ...
- 101
1
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1
answer
112
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Linear motion with triangle profile
I am looking for a way to generate a linear motion with a triangle motion profile for my hobby project. The travel distance should be 6cm (so 12 cm for round-trip) with constant speed 1.2 m/s or ...
- 13
0
votes
2
answers
5k
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How do I calculate the ideal travel distance of the ball screw per revolution of the stepper or per step for the following hardware?
Question How do I calculate the ideal travel distance of the ball screw per revolution of the stepper / per step for the following hardware (I believe this is called the lead)?
Background I have a pre-...
- 103
2
votes
1
answer
279
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Single linear actuator lifting mechanism
I have inherited a DIY build and I have some doubts about its design. Have a look at the following diagram:
1 is the linear actuator. It's quite beefy 2000 lbs 12" stroke. It is installed in an ...
- 209
1
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1
answer
209
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CNC side linear rails
I've been wondering why most (hobby) CNC machines have two actuated linear rails like this:
Besides the extra force for moving the spindle, is there a need for both rails to be actuated? Could the ...
- 1,033
4
votes
3
answers
538
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Off-centre actuation
I'm trying to lift a platform with several guides using a linear actuator, but off the centre as follows:
The load on the platform will be around 100kg, which is just within the linear actuator's ...
- 1,033
1
vote
1
answer
109
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Linear actuator with low vibration and low noise
Which kinds of linear actuators offer the lowest levels of noise and vibration?
I am looking for an actuator with these properties that can push a load vertically on the cm scale. Velocity, accuracy ...
- 129
1
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0
answers
177
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Is it possible to have the load cell signal as feedback to the servo drive of the servo motor?
In my project, I have to control the linear motion in one of the two modes. It will be either in position control or load control.
for the displacement control, The servo motor takes the quadrature ...
- 163