Instructions Below
Below you will see some colored pictures. From the pictures you can see that the two "Green" Pulleys go through the base. One of the Pulleys connects with a Pulley holder "Yellow", and the other connects with an arm that can rotate"Yellow". There is a hole in both the green and yellow parts made for a paper clip or a nail to secure these parts from coming apart. The last part is a "Blue" nob, you will need a nail around 1/16 of an inch or 2 mm, simply glue this nail in the blue nob so that it can rotate around on the yellow arm. And that's all there is to this simple project!
Instructions Below
Below you will see some colored pictures. From the pictures you can see that there are four "Green" gears that go through the base. Two of the gears connects with an arm that can rotate"Yellow" pick one for now. You can change to the other side if you like later. There is a hole in both the green and yellow parts made for a paper clip or a nail to secure these parts from coming apart.
You will need two 4 mm nails ( 12D at Lowes works ) and two 1 inch or 25 mm 1/4 -20 screws as well as a tap to thread the two holes in the cyan colored cover. You should not have to drill any of the holes for the tap unless you just want to.
As before in other projects the last part is a "Blue" nob, you will need a nail around 1/16 of an inch or 2 mm, simply glue this nail in the blue nob so that it can rotate around on the yellow arm.
You can move the arm to either side one show an increase in reduction or a decrease in reduction. This Project is pretty neat and would be a good teaching tool anyway that's all there is to this project!
Instructions Below
Below you will see some colored pictures. From the pictures you can see that there are four "Green" pulleys that go through the base. Two of the pulleys connects with an arm that can rotate"Yellow" pick one for now. You can change to the other side if you like later. There is a hole in both the green and yellow parts made for a paper clip or a nail to secure these parts from coming apart.
You will need two 4 mm nails ( 12D at Lowes works ) you will have to cut these to fix in the part 40 mm or about 1.75 inches should work. You will alos need two 1 1/2 inch or 25 mm 1/4 -20 screws as well as a tap to thread the two holes in the cyan colored cover. You should not have to drill any of the holes for the tap unless you just want to.
As before in other projects the last part is a "Blue" nob, you will need a nail around 1/16 of an inch or 2 mm, simply glue this nail in the blue nob so that it can rotate around on the yellow arm.
You can move the arm to either side one show an increase in reduction or a decrease in reduction. This Project is pretty neat and would be a good teaching tool anyway that's all there is to this project.
Instructions Below
(Get Started!)
Below you will see some colored pictures. To get started first cut your 1/4" threaded rod down to the right size (4 inches) . You can do this with a hack saw. Then take the red arm part and the 1/4" extender nut and the threaded rod and assemble them as shown in the pictures below.
(Putting the Gears on)
You can see that there are there are two "Green" gears. One of these gears connects to the motor. To connect this gear to the motor you will need to tap the side hole of the gear using a 10-24NC Tap. Once the hole is taped you can use a 10-24 set screw, (1/8" long) will work, but a bit longer will not hurt, to secure this gear to the motor. ( Try and get the set screw on the flat side of the motor shaft). Then you will need two 3.5mm screws that are 14mm (12mm will work) long. These two screws will hold the motor on to the blue part.
The other green gear is the drive gear, you will need to tap the center hole of this gear with a 1/4" tap. Then you will need to tap the smaller side hole just like the gear above. Once this is done you will slide the red arm with the 1/4" threaded rod and extender nut down as shown in the pictures. On the blue part you will find a hole at the bottom that is just above the drive gear. You will need to tap this hole using the 1/4" tap. (Do this before you screw the drive gear on to make it easier on you) Next you will turn the drive gear on to the threaded rod screwing it on the rod. Make sure that yours looks like the pictures below.
(Time for some BBs!)
Okay put the bbs in the hold and turn the drive gear until you fill the space around the drive gear with bbs. These bbs will hold the drive gear in place and let the threaded rod move the arm up and down.
(Put the parts Together)
Okay so you have the motor on and the red arm and both gears, now you will need to tap the bottom of the blue part with a 4-40NC Tap. There should be 4 holes in each of the corners. Using the 2mm drill bit bore these holes out before you tap them. Once taped, take the cyan and the gray bottom part and assemble them as shown in the pictures using four 4-40 screws 1 inch long. And that's all folks! Good Job!! I know this project says simple but it has a few tricky parts :)
This project requires one geared motor to turn the 1/4" threaded rod which has 20 threads per inch. So if you get a 20 rpm motor then it will take 1 min to move the arm out one inch. A 300 rpm motor will move the arm at a rate of one inch per 4 seconds. And a 1000 rpm motor will move the arm out at a rate of one inch per 1.2 secs. Just remember that the faster you go the less torque your actuator will have.