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Linear Actuators


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  • 2'' Stroke 150lb Force Linear Actuator
    Works alright
    Review by John Paul
    One thing I should note is that the stroke length is 1-7/8" not 2. So prepare your mechanisms accordingly. I've used these often and this is common to every one..
    (Posted on 10/13/14)
  • Flexinol Wire 0.003
    Amazing product!!!
    Review by JAKE
    I've seen muscle wires years ago. I don't know why it took me so long to finally order some!!! I was very impressed how thin and strong these are. Microcontrollers and Flexinol Wire combined open up opportunities to make some interesting fun projects! Thank you.
    (Posted on 9/24/14)
  •  Mounting Bracket for 400lbs Force Model Actuators
    Strong, good price
    Review by Nick
    I use this on my RB-Fra-89 linear actuator and it works just fine. You can use them at both ends of the actuator.
    (Posted on 9/18/14)
  • 30'' Stroke 400lb Force Linear Actuator
    Great product!
    Review by Nick
    This seems like a quality product so far, and the price is incredible, considering how big it is. It's smooth and strong. The motor shuts off when it gets to either end, which helps prevent motor burn out, which is a nice feature.
    (Posted on 9/18/14)
  • 2'' Stroke 150lb Force Linear Actuator
    Good quality for the money
    Review by John Paul
    Been using these for years, high force at lower amperage than similar linear actuators. The extendable end of the rod is made of two fused parts (an outer tube with an inner core) which makes modification difficult but when being used just with the standard rod mount works perfectly.
    (Posted on 9/4/14)
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Full Metal Dalek, Fiction Meets Dedication

Posted on September 19, 2013

By Carlos Asmat & filled under Entertainment.

Making replicas of robots seen in movies is not uncommon and there are many replicas of R2D2, Wall-E and Jonny 5 to name a few. Many of these incorporate a high level of detail while being faithful to the original robot’s look and feel. However, most of these replicas do not match (or at least [...]
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Arduino 5 Minute Tutorials: Lesson 5 – Servo Motors

Posted on April 25, 2012

By Coleman Benson & filled under Arduino Tutorials, Electronics, Schools & Curriculum, Software and Apps.

Lessons Menu: Lesson 1 – Software Downloading / Installing & Interface Lesson 2 – Basic Code Lesson 3 – Sensors: Potentiometers Lesson 4 – Sensor: Infrared Distance Lesson 5 – Actuator: Servo Motor Lesson 6 – Sensor: Force, Bend, Stretch Lesson 7 – Sensor: Accelerometer, Gyro, IMU Lesson 5 Hardware: Computer / Laptop or Netbook [...]
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Basics: What is a Motor Controller?

Posted on February 20, 2012

By Coleman Benson & filled under Where to Start.

A Motor Controller is a device that acts as intermediary between your robot’s microcontroller, batteries and motors. A motor controller is necessary because a microcontroller can usually only provide roughly 0.1 Amps of current whereas most actuators (DC motors, DC gear motors, servo motors etc.) require several Amps. The current a motor consumes is related to [...]
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Basics: How Do I Choose an Actuator?

Posted on February 20, 2012

By Coleman Benson & filled under Where to Start.

An actuator is a device that converts electrical energy into physical motion. Choosing the right actuators (which include DC motors, gear motors, servo motors, linear actuators, muscle wire etc.) requires an imagination and a bit of math and physics. The vast majority of actuators produce either rotational or linear motion though combinations thereof can lead to complex motion. [...]
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How to Make a Robot – Lesson 9: Assembling a Robot

Posted on August 02, 2011

By Coleman Benson & filled under How To Make a Robot.

Lessons Menu: Lesson 1 – Getting Started Lesson 2 - Choosing a Robotic Platform Lesson 3 - Making Sense of Actuators Lesson 4 - Understanding Microcontrollers Lesson 5 - Choosing a Motor Controller Lesson 6 – Controlling your Robot Lesson 7 - Using Sensors Lesson 8 - Getting the Right Tools Lesson 9 - Assembling a Robot Lesson 10 - Programming a Robot Now that you [...]
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4
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According to there specifications the backlash error is 0.2mm.
And that is quite big value for lead screw actuators.
2014-10-14 12:53 by O4karitO
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All linear actuators: http://www.robotshop.com/en/actuators.html Some ideas: http://www.robotshop.com/en/firgelli-technologies-l16-actuator-140mm-1501-6v-rc-control.html ...
2014-10-14 11:12 by CBenson
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... considered force: 20N is a minimum requirement. We have our own positioning system with 0.05mm accuracy. So that, there are 2 options: - to use a linear actuator with embedded positioning system if there are models with at least 0.1mm accuracy. - to use a linear actuator with just speed and directional ...
2014-10-14 10:35 by O4karitO
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Before looking into backlach, what force and stroke do you need? How do you plan to control it? Do you need positioning or just speed and direction?
2014-10-14 09:36 by CBenson
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Good day. Do you any linear actuators with high mechanical accuracy( backlash error equal or less 0.05mm). We have or own accurate positioning ...
2014-10-13 12:42 by O4karitO
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There are actuators, like the L12 that can take Servo inputs so in theory they could be use for stabilisation too. Sound might be an issue even with them. * http://www.robotshop.com/en/catalogsearch/result/index/?dir=desc&general_brand=Firgelli+Technologies&order=stats_sales_order_count&q=l12+plc+rc ...
2014-10-09 12:02 by DiaLFonZo
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It's really up to you. Yes, there are linear actuators which have a 30" stroke. Ex: http://www.robotshop.com/en/30-stroke-400lb-force-linear-actuator.html ...
2014-09-30 16:18 by CBenson
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A linear actuator wouldn't do the trick?
http://www.robotshop.com/en/actuators.html
2014-09-30 09:27 by CBenson
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1. Also; I'm not sure about the powering of your actuators. I see that many look like they are DC powered, but are all of them ... http://www.robotshop.com/en/firgelli-automation-4-channel-remote.html Linear actuators: http://www.robotshop.com/en/actuators.html
2014-08-20 13:35 by CBenson
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... opened without a knob or handle. I'm looking for a 1" to 2" linear actuator. There is no need for any large weight capacity as it will ... couple more questions: 1. Also; I'm not sure about the powering of your actuators. I see that many look like they are DC powered, but are all of ...
2014-08-20 13:13 by radradrad
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What is the stroke length and how do you want to operate it (on/off/reverse)? How would you power it (12V lead acid battery?)
You can likely use some linear actuators: http://www.robotshop.com/en/standard-actuators.html
2014-06-23 08:55 by CBenson
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... what happens if you leave the setup outside, since almost none of the actuators we sell are water resistant and would be affected by rain, high ... control actual position rather than speed and direction, you'll need a linear actuator with built-in potentiometer such as: http://www.robotshop.com/en/6-stroke-150-lbs-force-linear-actuator-w-potentiometer.html ...
2014-05-22 13:48 by CBenson
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... SES V1). The approach will still be to use modular frame components and actuators, but reduce the overall number of different designs. For example, ... forward to your feedback! * Body shape. I've built both oval and linear hexapods. Need to order a round chassis. An oval chassis or round ...
2014-05-08 14:43 by KM6VV
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... the card only really move in one direction? For example would a small linear actuator do the job? http://www.robotshop.com/en/actuators.html If you don't care much about position, could you hook up a 4-bar mechanism to ...
2014-04-14 08:11 by CBenson
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... insight: http://www.robotshop.com/blog/en/how-to-make-a-robot-lesson-3-actuators-2-3703 You would likely need to consider either a stepper motor ... DC gear motor with encoder; both of these need to be programmed. A mini linear actuator with approx. 4 inches of extension. Something like the RB-Fir-90: ...
2014-03-31 13:19 by CBenson
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