Help with A2plus contraint

[bzb.dev001]

Hello
I don't know if this is the proper forum to ask this question. If not please move this thread to proper place.

I have created an assembly using a2plus wb. It is described below

The assembly is composed of a base(B) with 2 shafts (SF1 and SF2) fixed on its surface.
On shaft(SF1) is installed a disk(D) on which it can rotate freely. Disk(D) has a crank pin(CP) that is placed within the slot of the yoke(Y). One end of the yoke(Y) is installed on shaft(SF2) on which it is free to rotate.

The operation of this assembly is that the disk(D) is rotated by some external force and the turning disk(D) results in reciprocating motion of the yoke(Y).

My issue is what kind of constraint needs to be applied to place the crank pin(CP) within the slot of the yoke(Y) such that if I were to rotate the disk(D), freecad would automatically recalculate the position of the yoke(Y)

0.png (88.02 KiB) Viewed 1357 times

Thanks

[kbwbe]

Hi,
use "pointOnPlane" constraint.
1) select the upper circle of the pin. It's center is used as point.
2) select the guiding plane surface
3) hit the pointOnPlane-button
4) set an offset, so that the pin is in the middle of the slot.

After doing this, the assembly shows as here:
.

bzb.png (193.97 KiB) Viewed 1335 times

[bzb.dev001]

Is it possible to use a2plus in some way to help with animating this assembly?
Thanks

Hi,
use "pointOnPlane" constraint.
1) select the upper circle of the pin. It's center is used as point.
2) select the guiding plane surface
3) hit the pointOnPlane-button
4) set an offset, so that the pin is in the middle of the slot.

After doing this, the assembly shows as here:
.
bzb.png