How to smooth a sweep transition?

w_s856

Context: https://cad.onshape.com/documents/934a4c87b18835736d4ebebe/w/35f12551467ef51350f01893/e/3d9e67d60dc285be3e4fd06a?renderMode=0&uiState=66794ed301c11123e08f2a09

I want the transition between the main arc and the hooks to be smoother. Is there a specific way to achieve that, or is the way I built the object incorrect ("too sharp at junctions" kind of problem?)

Note: day 2865 of hoping to be taken out of the "need to moderate" category

john_lopez363

@w_s856 The easiest way would be to radius those sharpe corners in the sketches...  Another, more complex way, would be to replace the arc sketches with a 3D Spine that approximates the same shape.

w_s856

> The easiest way would be to radius those sharpe corners in the sketches

Thank you. If I understood your image correctly, that would be to stop the big arc and the hook earlier, and insert a small arc, tangent both to the big one and to the hook. Your solution looks neat - I will try that.

john_lopez363

@w_s856... you have it essentially correct.  You will need to be careful about inserting an arc that has a "too small" radius.  That will cause self-intersecting geometry issues with the sweep.  General rule of thumb (at least my rule)...is to have the radius of the arc equal to or greater than diameter of the sweep profile (in this case the 2mm circle).