Problem with assembly (slider mates)

nocry3

Hello,

I have some questions/problems with slider mates. I try to create a shelf of aluminum profiles. The individual shelves should be adjustable in height.
For this I tried to attach the shelves to the stands by 'slider mates'. The first slider mate also works, but the others lead to errors or the display of 'red' slider mates.

What did I do wrong? How can I tie the stands or the (grey) ground to a plane (for example top plane)?

here is the document (https://cad.onshape.com/documents/586a615b0e11ad10b6a1aa7c/w/a8bab8f023590086b19a298a/e/67f4f95a74a1c4afaceea7d9)

Best regards
Ralf

brucebartlett

Hi Ralf,

I had a little play with your assembly. I also found you could not have multiple slider mates working on each of the verticals. I ended up using the slider mates to position the verticals then suppressing 3 of them as well as the all the verticals planar mates and group mating them to the base plate. I also Fastened mated the base plate to the origin.

Seem to work as desired, the only issue with this I can see is if the base of the regalboden changes, the group mated parts will not move with it, you could overcome this by removing the group mate, unsuppressed the first 4 planar mates and adding 6 more planar mates instead of the sliders mate 2,3 & 4. 

https://cad.onshape.com/documents/5870c55569ca5410c4d3f861/w/7cf9b0aede17dbc920c32584/e/2a6d334da01ad7520e81ce46

viru

@ralf, I corrected your part and given some mate constrain to your assembly. Please refer below link document for more detail,
https://cad.onshape.com/documents/58762072c986e117b0a0bec0/w/ba5185f2fe1537e7342e460e/e/7f4b161d3830b033c7892309
Also refer motion video of your assembly after defining all constrain,

brucebartlett

Hi Ralf,

I had a little play with your assembly. I also found you could not have multiple slider mates working on each of the verticals. I ended up using the slider mates to position the verticals then suppressing 3 of them as well as the all the verticals planar mates and group mating them to the base plate. I also Fastened mated the base plate to the origin.

Seem to work as desired, the only issue with this I can see is if the base of the regalboden changes, the group mated parts will not move with it, you could overcome this by removing the group mate, unsuppressed the first 4 planar mates and adding 6 more planar mates instead of the sliders mate 2,3 & 4. 

https://cad.onshape.com/documents/5870c55569ca5410c4d3f861/w/7cf9b0aede17dbc920c32584/e/2a6d334da01ad7520e81ce46

nocry3

brucebartlett said:

https://cad.onshape.com/documents/5870c55569ca5410c4d3f861/w/7cf9b0aede17dbc920c32584/e/2a6d334da01ad7520e81ce46

thx for your help. I couldn't open your link 'Failed to load document for workspace. Ressource not avaible or you do have the needed permissions'

brucebartlett

sorry,  the doc is now public

nocry3

I added drawer rails to my example and run into the same problems with slider mates again. Connect the left drawer rail with a slider mate to the verticals works, but the right one couldn't attached without getting 'red' mates. But why?

https://cad.onshape.com/documents/587484ba0dbf5317c8fc8d5e/w/654fe3bf77ed87f324750eb4/e/ab3b94d453fa0b5ace62d8ea

viru

@ralf, You are facing slider mate problem due to your "Profil 20x20 380mm, Profil 20x20 620mm" part are not made as parallel face. Please refer below sketch for more detail

Kindly correct this part then you will get desired result. If then also you feel any problem then feel free to ask us.

viru

@ralf, I corrected your part and given some mate constrain to your assembly. Please refer below link document for more detail,
https://cad.onshape.com/documents/58762072c986e117b0a0bec0/w/ba5185f2fe1537e7342e460e/e/7f4b161d3830b033c7892309
Also refer motion video of your assembly after defining all constrain,

nocry3

@viru thx. I found corrected the bug in the profile sketch but other sketches/extrudes won't work anymore.

viru

@ralf, You are observing failure in Extrude 4 due to missing faces and sketch region to extrude which is missed due to correction of your bug profile sketch (Sketch Aluprofil 20x20). After selecting sketch region your Extrude 4 problem will solve.
You are observing failure of sketches (Sketch 1) due to missing of sketch plane which you previously selected face of "Nutstein I-Type Nut 5" part as sketching plane. This part face changes due to edit in Extrude 4. Therefore you have to again select face of "Nutstein I-Type Nut 5" part. After that you have to define reference again in sketch for dimensioning.
You are observing failure in Extrude 5 due to failure of sketch 1. After solving sketch 1 and selecting circle your extrude 5 surely work. Due to "Nutstein I-Type Nut 5" part you will also failure in subassembly and assembly mate constrain.
I corrected all above changes yesterday itself in below link document. Kindly refer it and check all part and assembly tab.
https://cad.onshape.com/documents/58762072c986e117b0a0bec0/w/ba5185f2fe1537e7342e460e/e/7f4b161d3830b033c7892309