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How to make a cylindar into a 45 degree angle end?

Hey, I was wondering how to make a cylinder into a full 45 degree cut in Onshape?

Screenshot 2024-11-04 211407.png

P.S>( sorry for the bad drawing, trying to make it on Microsoft paint with a touchpad.)

Answers

  • Ste_WilsonSte_Wilson Member Posts: 622 EDU

    Lots of ways to do this I'd recommend looking at the onshape learning center.

    https://learn.onshape.com/

    The easiest way would be to extrude your cylinder full hight then do the 45degree sketch on the mid plane and extrude, remove, symmetric.

  • martin_kopplowmartin_kopplow Member Posts: 1,400 PRO

    Question has been asked already within the last 24hrs:

    Just check that post, it explains how.

  • MDesignMDesign Member Posts: 1,381 PRO

    I believe they are 2 different questions. One is to make a flange on the 45 cut, the other is to make the actual 45 deg cut.

    In any event to the OP, you can study up on how to use on shape through the learning center to get ideas. but a few other ways (besides sketch, extrude/remove already suggested) to accomplish that would be draft tool, move face tool.

  • kevin_krumwiedekevin_krumwiede Member Posts: 14

    Can anyone answer this question without assuming people know how to "just do X?" This seems like such a simple and common thing to want to do but there are no direct answers anywhere. For example, how do you create a midplane in a cylinder when there are no defined points or planes for the midplane to lie between? Or how do you use the move face tool on the end face of a cylinder? It cannot determine the axis of rotation and gives you no way to define one.

  • Ste_WilsonSte_Wilson Member Posts: 622 EDU
    edited April 4

    https://learn.onshape.com/

    You have three starting planes. Do a sketch on Top plane. Draw circle. Make sure the centre of the circle is on the origin. Dimension to size you want. Exit sketch with green tick. Hit extrude button. In the extrude dialog note the symmetric option, tick the box. Choose blind and set the length of the extrude.

    You now have a cylinder sat in the middle of the Onshape space.

    If you want to remove material draw a sketch on one of the planes, extrude, remove, symmetrical.

    You can create other planes by using the mate connector functionality inside sketches as your sketch plane.

    You don't need to be moving any faces for this.

    Rotation axis, any edge or surface you have already which goes around the axis can be selected, or you can use a suitable line from a sketch.

  • robert_scott_jr_robert_scott_jr_ Member Posts: 788 ✭✭✭

    Hey Kevin, as stated in previous posts, there are a lot of ways to get the angled surface on the cylinder. I used a Mate Connector. Mate connectors are extremely versatile tools. I find my most frequent use of the mate connector, outside of an assembly, is as a sketch plane. One use of a Mate Connector is as a Split entity.

    In this document, after selecting the Mate Connector tool, I hovered the mouse pointer around the cylinder (previously created) and implicit mate connectors started showing up. I picked the one at the center of the cylinder. If you take a look at the dialog within the mate connector feature, you'll see I offset its original location and rotated it; I just picked some random values for demonstration purposes. Afterward, I used the mate connector to split the cylinder.

    - Scotty

  • jim_zamecnikjim_zamecnik Member Posts: 58

    I would extrude the cylinder, then create a plane at 45⁰ (line-angle plane) and use that to slice the cylinder. Youtube & Google can be helpful in addition to the learning center.

  • kevin_krumwiedekevin_krumwiede Member Posts: 14

    Aha… use the "Use" tool to project the cylinder's end plane and silhouette edge onto a sketch where you can draw a triangle and extrude/remove it.

  • kevin_krumwiedekevin_krumwiede Member Posts: 14

    Thanks for the answers. I overlooked the Mate Connector tool because I assumed it was only relevant to assemblies.

    I guess this forum is heavily moderated, even for users with hundreds of positive contributions. That's a bummer. The comments between my two previous comments a day apart were not visible yet when I posted the second one.

  • jim_zamecnikjim_zamecnik Member Posts: 58

    Yes there's quite a long lag between submitting a comment and it becoming visible to the group. I understand the reason for that, but it makes things confusing sometimes.Which is why I almost always start with google when I'm looking for a quick answer.

  • MDesignMDesign Member Posts: 1,381 PRO
    image.png image.png image.png

    Here are 3 ways. A certain level as assumption has to be done becuase its impractical to assum everyone is asking from the same base knowledge level and its not often clear what the specific end goal is of the OP question.

  • kevin_krumwiedekevin_krumwiede Member Posts: 14

    Google is what brought me here. 😀 Thanks for all the answers. This thread is now much more useful to the next person who Googles it.

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