I have a set-up like this (more or less)... V-Slot™ Belt & Pinion Example Build To be more specific, it is set up like this: https://openbuilds.com/attachments/belt-and-pinion_example_1-jpg.136/ I am NOT building a CNC machine... its for a personal project that needed some linear rails and a stepper to move a gantry...etc.. My question is.. how much weight can the v-wheels/gantry hold? I need to connect some components to the 'v-slot gantry plate' V-Slot® Gantry Plate - Universal that will hang down.... I milled my current test parts from some .40 thick aluminum flat stock... but got curious as to the weight limits here? (as I still need to make more parts to complete it) Thanks
You're not getting an answer because there really is no answer. How much something is good for is not related to at what point the axles snap. It's related to how much deformation/deflection you can tolerate before you consider the system unusable. It's also related to how many times you expect it to move at this maximum load. Only you can determine these things.
This is not for a CNC machine.. (so I'm not sure what deflection you are referring to) I would imaging these v-wheels and bearing shave some sort of specs on them? If the gantry and wheel system are set up like the rack and pinion example linked to above... (ie: the gantry plate (top) is facing you (vertical)).. and I was connecting something to that gantry plate..that hangs down.... there is no recommended max 'weight' that ruins the wheels? bearings? I dont know if any of the cnc systems people have created here have their rotors mounted on a plate in that direction/orientation... but how much does the average router weigh? This is a permanent fixture.. (and again NOT a CNC machine, that will have any kind of backlash or push-back/resistance from a material it is cutting) I have machined a bracket (like a U shape) that connects to the gantry plate holes, and goes 'around' the stepper motor, hanging down.. with a 'ledge' on it.. example: (big image) https://www.dmstudios.net/misc/barbot_bracket/IMG_0676.JPG but I still need to add more that will hang below what is displayed in the image... so weight concerns popped up. So I guess in this case.. 'axle snapping' -is- the question.. (or more so I was thinking wheel deformation? or liner rail wear and tear? or bearing issues?)
Again, you’re seeking an answer that nobody has as nobody pushes these systems (whether CNC or not) to the point of failure. The only way you’re going to get an answer is to test it yourself to see if it meets your needs.
[removed] ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Maybe your hung up on the word 'max' then... Anyone else answer the question? How much do your typical rotary tools weigh..... 5 lbs? 20 lbs? Or what is the average weight people move around on these set-ups?
My y axis gantry - with the spindle and everything - probably weighs about 20 to 25 pounds and rides on 8 wheels. 4 on each side. I don't know if this helps you.
This does help! Thank you. I would imagine the 8 wheels help distribute the weight better, but this is a start!.. and gives me a ballpark on what is acceptable (or normal use) instead of being 'overkill'. Appreciate the time to answer.
