Handrail scanning project

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kemperwoody
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Handrail scanning project

Post by kemperwoody »

Hello,
I am considering buying a scanner to survey a staircase steel core rail in order to make the wooden handrail. The modelling will be done on Rhino, and the machining on Biesse 5 axis CNC.
I have found used scanners Artec Eva or Einscan ProHD / Pro2x.
Is this the right choice?
Do you have experience in this kind of work? Are there any precautions to take?
sim.herrod
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Re: Handrail scanning project

Post by sim.herrod »

We do jobs like this fairly regularly for a client and use a Faro S150 and model it in Revit.
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Re: Handrail scanning project

Post by Jamesrye »

We also model this sort of thing using a P40 scanner and Rhino 3D. In my opinion Rhino3D is great because you can work with nurbs surfaces. This image shows a modeled staircase - the handrails were designed to fit.
30693281737_e0de16b55d_c.jpg
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kemperwoody
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Re: Handrail scanning project

Post by kemperwoody »

Hello and thank you for your reply.
The scanners you are using seem to be stationary?
Is it accurate for the top core rail survey? do you manage to reach all the necessary inner corners?
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VXGrid
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Re: Handrail scanning project

Post by VXGrid »

kemperwoody wrote: Wed Nov 02, 2022 12:00 pm Hello and thank you for your reply.
The scanners you are using seem to be stationary?
Is it accurate for the top core rail survey? do you manage to reach all the necessary inner corners?
Think of a static scanner as of a 360° panorama camera, which you can place in multiple locations as well.
So should be possible to place it to capture everything you need.
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Re: Handrail scanning project

Post by Formula1982 »

If this is a one-off requirement or something you'll only do on occasion, even if consistently, hire a company to do it for you rather than thinking of buying equipment. Then you don't need the cost of equipment and software, you don't need to train people to use it, and it's the specialist company's responsibility to get you accurate, reliable data.
How much would it cost you to fix a problem with something being made the wrong size of shape which has resulted from a poor laser scan done by someone who maybe trained, but not experienced to do a high quality job?

That being said...
The first thing I would do is ask what accuracy you need to meet your fabrication tolerance. My preference would be for a tripod mounted system. A handheld system may work but it has more chance of making something that looks very pretty but is dimensionally inaccurate.
The best advice would be control - put in lost of it, and have good geometry at all times. A little bit of poor control with poor geometry can throw the whole thing off.
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Re: Handrail scanning project

Post by rapidscan3d »

I have a new in box Eva I can sell for $16,800 2 years warranty. that is $3K off the retail price - [email protected] (562) 912-3544 ext.116
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Re: Handrail scanning project

Post by 3dreveng »

We have a DEMO mantis F6 smart which can do this... Its handheld...


https://laserscanningforum.com/forum/po ... t&p=108032


www.3dre.ca
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