Quote Originally Posted by routercnc View Post
This is where the challenge lies to come up with something simple and cheap that still works.
There ain't no such thing as a free lunch.

I agree with Dean, even if i did not want to at first, this video made me laugh.


People don't want to understand basic concepts:

-"A machine is a tool containing one or more parts that uses energy to perform an intended action" , what we see there is a toy, cause its and will be unable to perform that intended action. So lets call them "toys" if their purpose is for the people to play a bit with them.

-V bearings are not meant for that. The only way a V bearing to work properly for that purpose is an additional arm with say 608 bearing which eliminates the v bearing play.
V bearings simply are not made to take forces in that direction.


-I have seen machines made from roller bearings 608, capable of milling aluminum, i dont say that they are good, just that better than V bearing machine.

-How can sb build a machine not understanding the base concept that box section is stronger than plate?



So in short IMO that toy can do nothing, don't lie to yourself/and others/.The way is designed it can not even move reliably a laser diode. You are making nothing new. Instead watch, read, learn and try to make something real.