My team built a scissor lift but when it lifts it go up then jam when we try to go down.However if we wait a couple of seconds the problems the problem fixes itself.The problem will comeback when i try to go back up directly after the lift goes down.
Its almost as if it is recharging.
Any idea how to fix this
Please respond quickly as we have to pack the bot for TSA nationals
When it gets jammed we can easily push it down by hand @JPearman
I dont know what the the gear ratio is but i have two motors (one on each side) which are connected to motors that rotate along stationary motors
Yes, go with a 12 tooth metal gear to get a 5:1 ratio. Next thing is lok at friction and pulling forces of the rubber bands as you come down.
Are those rubber bands connected to the square shaft acting as the axle? That could be causing it to bend and give you some friction. Try making one of the bearing block screws longer and attaching there.
The amount of rubber bands could be hindering your decent too. It takes more force to get to the bottom as the rubber band stretches.
Lastly, look for friction points on the bottom rail. In gateway, we had the new linear sliders and eyelets to avoid metal on metal contact.