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Reddit - CNC by /u/michael_joeden2 - 4h ago

TLDR; Please help me find a good machine that is smaller with a budget around $500.

I am looking into getting a CNC router, but I have no idea what to look for or where to start. I am looking for a machine that can take (preferably Autodesk applications) CAD designs and cut them easily. I just want to do light weight applications such as wood and plastic, but maybe some soft metals since I know it eats bits and they require water. My Mac budget is $500, and it cannot be large (8x8 or higher is too big), but I don’t think that will be a problem.

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Any tips or tricks on getting the smoothest surface finish possible using delrin/acetal on a shopbot? I'm using the delrin to make master molds for silicone pours. Trying to get as few machining artifacts as possible since silicone tends to pick up detail extremely well.

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I'm really new to CNC machining and after playing with a nicer machine at school I want to take the leap and buy my own. Being so new there's a lot I'm still unsure about so I wanted to get some feed back before jumping in. I'm starting off as a hobbyist but would love to see if I cant turn the things I'd like to make into a business. The type of stuff I'd was interested in learning to make are small would figures (for instance a mini Rick or maybe just his head to start) cups and maybe laser etched plaques. Eventually I'd like to move up to metal after I get some experience working with wood. So with all this in mind I'm looking at the 200$-1000$ USD range.

So far I know that 3 axis machines seem to be the most popular and that some machines allow up grades to 4 or 5 axis later but I hear that isn't always a good based off the base machine. I also know that there are two types of mills vertical and horizontal but I'm not sure which would suite my needs better. I also heard that there are several different programs used for milling but I'm not sure which is the best to learn or if there is any major difference between them. Any advice would be great and if I'm wrong about anything please correct me! I'm probably going to start taking classes on this next semester but I'd love to get a head start on things!

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Reddit - CNC by /u/samuelelspaniel - 1d ago

Can someone program me a part file of a '52 telecaster for my CNC router. I have the .ipt from inventor 2018 but I don't know how to use mastercam. Could someone program it for me?

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As the title suggests, I'm quite new to CNC machining. I've actually never operated one but am interested in purchasing some CNC machines down the road.

Can anyone tell me what the main differences are between a Vertical Mill and a Horizontal mill? Also, is a 5-Axis mill essentially a combination of the two? Thanks for the help!

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What does your shops use to recycle coolant straight from the chip bins?

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I'm using BobCAD, if that matters.

My boss wants me to take a verified G-code and use BobCAD to generate a drawing for it. I've been googling around, but can only find instructions on how to get from drawing to G-code, not the other way around. BobCAD, like most CAD/CAM software, has a pretty steep learning curve and I haven't been able to puzzle my way through it.

submitted by /u/HafcoCase
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Reddit - CNC by /u/chipmaker007 - 3d ago

Hi, first post hoping for some feedback on Tool Coatings -

My shop uses TiAlN coated tools for most of our stainless work, and its been fine, but a colleague said he was talked into trying some high-performance tools in his machine for Titanium, and said the results were actually noticeable - better finish longer tool life etc. He said he was using a VI-PRO with Alcro Max coating, I know there are lots of high performance claims out there, just curious if anyone has recommendations to on where to start or if its even worth the price jump for stainless machining?

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