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  1. #1
    Member
    Join Date
    Jun 2020
    Posts
    1

    Which CNC router should I use?

    Dear All,

    A very newbie question from a newcomer to the field of CNC machining. I am involved in LiDAR surveying professionally and have a curiosity in converting some of my digital models into CNC machined objects. I'm sure I can get my 3D solids into suitable formats compatible with CNC software however which machine should I be looking at to achieve the level of detail shown in the below images?

    Can this be achieved just from machining or would it require sanding and hand finishing? Any steer in the right direction would be much appreciated, thanks in advance.
    Attached Thumbnails Attached Thumbnails 130415010804.jpg   170215013425.jpg   170215035208.jpg  

  2. #2
    Gold Member
    Join Date
    Apr 2004
    Posts
    5034

    Re: Which CNC router should I use?

    I'm not seeing your images, but the primary question isn't detail but material. What did you want to make these things out of? If the material is soft enough and its size is small enough to fit its part envelope, then most machines that work at all would work for this. Surface smoothness has more to do with how much time is allocated to the project than what the particular machine is; for smoother parts you put the passes of the tool closer together. Another consideration is tool length: the finer the detail the smaller the tool used to achieve it, but the smaller the tool is, the shorter it tends to be, so if you have deep voids with steep walls some compromise might be required.

    Is there some reason these things have to be machined, rather than 3D printed? An additive process may be more suitable to reproducing your scans in solid form than a subtractive one.
    Andrew Werby
    Website

  3. #3
    Banned
    Join Date
    May 2020
    Posts
    8

    Re: Which CNC router should I use?

    Quote Originally Posted by MrGee View Post
    Dear All,

    A very newbie question from a newcomer to the field of CNC machining. I am involved in LiDAR surveying professionally and have a curiosity in converting some of my digital models into CNC machined objects. I'm sure I can get my 3D solids into suitable formats compatible with CNC software however which machine should I be looking at to achieve the level of detail shown in the below images?

    Can this be achieved just from machining or would it require sanding and hand finishing? Any steer in the right direction would be much appreciated, thanks in advance.
    I think that too, you should not only consider which CNC router to choose but also need to determine the appropriate target materials based on the final results. Select the appropriate machine according to the texture and size of the target material. Most related types of CNC machines have similar performance, but some may perform better in a certain way.
    For instance, some Stone CNC Router can correct the concave, convex, and uneven slope of any stone surface. The software automatically generates a new program based on the floating of the stone surface, which conforms to the surface characteristics of the stone.
    While others may have the super cutting ability, adopting a high-power drive system coordinated with the spindle’s stable engraving, it has the features of greater torque force, smoother operation, precise and powerful cutting point.
    All machines have pros and cons. You need to make a choice according to the actual situation.

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