Hello, where do you find the SFM for different steels such as A2?
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I have an old machinist ready reference that gives surface feet per minute on drills but for the most part that is outdated by today’s standards with all the new carbide inserts and coatings. the best place to start would be your tool manufacturer recommendation.
A2 tool steel should run approximately 30 to 40SFM. While 1018 cold rolled steel recommended with a high speed steel drill bit at 80 to 110 SFM.
I hope this helps.
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I use HSM advisor to get my speeds
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@RomanLisichenko I agree with @Rumpelstiltskin check with you tooling manufacturer recommendations and start there.
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Yep. A basic guideline can work, especially if you are in a pinch, but the best thing to do is hunt down that tool’s specs from the manufacturer. That can get you the most bang for your buck.
If you need a sort of “generic” speed/feed guideline, find a manufacturer with a sort of “medium-grade” tooling line and use their feeds and speeds. As opposed to speeds and feeds for high-performance tooling. Kennametal’s GoMill would be an example.
I also often find cutting data from Maritool to be a good starting point, and that information is readily accessible.
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Another useful tool is G-Wizard. I’d check that and HSM Advisor as listed above by @MattWilkinson , and see overall which one gives you the best value. Both have other features that you may find helpful. And definitely consult your tooling reps as @Rumpelstiltskin suggests . Some can have their product lines plugged into these calculators. Lakeshore and Seco both have some of their tools in G-Wizard.
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What is HSM advisor and how do I use it? Is it embedded in Fusion and InventorHSM?
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For HSMadvisor: https://hsmadvisor.com/
For G-Wizard: https://www.cnccookbook.com/index/
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Thank you!!! I’ve just downloaded the advisor.
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another +1 for G-Wizard Calculator been using it since it first came out - saves a ton of time & tooling 
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Hello,
This is a link to Kennametal’s digital tool (NOVO). You can download this app for free and it will give you speed, feed, depth of cut and etc. For all Kennametal tools. You can also download 3D models. I hope you find this to be a Game Changer.
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Thanks for sharing…
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from my expereince, most free Feed & Speed apps from tool manufacturers give data that is based upon the most rigid machine/fixture/set up, and shrink-fit or optimized tool holders, with minimum tool stick out, and other ideal cutting conditions. WHY? because they want their tooling to appear to have the greatest material removal rates. None that I have seen even allow you to input tool sick out variables, or even mention tool deflections, or allow you to compensate for a “shakey” set up, or thin wall part, or other less than idea real-world cutting conditions you WILL encounter. Do yourself a favor and take a free 30 day test drive on G-Wizard. GWizard Calculator is light years ahead of all the vendor’s free apps. It costs $79 a yr - you’ll spend that much on one broken tool and the time it takes to start over again. I bought a lifetime subscription, with free updates, for only $269. In the CNC world, that’s chump change - and better yet, GW will help max out your productivity, as its much more than a feed & speed calculator. Try it out for free …
Note: other than being a very satisfied GW user, I have no connections to GW. .Just my experience and 2¢ worth. Cheers :-)
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I couldn’t agree more! I have been using G-Wizard for many years. I have tried HSMAdvisor here and there, and have always returned to using G-Wizard, since I have a lifetime as well. I have also found that in many instances with G-Wizard that I have actually been able to get better feeds and speeds in a standard ER collet and toolholder than the oem recommended, using their toolholder system. Oh yeah, and tool wear reduction from the proper feeds and speeds is amazing! I have endmills that I have used for literally years!
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Hey,
This is developer of HSMAdvisor here.
Just collecting user feedback that may help me make my software better. In which way did you find G-Wizard better than HSMAdvisor?
Would be thankful for any feedback and ready to answer any questions.
Thanks!
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Darroll, follow this https://www.hsmadvisor.com/
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Eldar,
Since you are here, what do you think about adding corner rounding cutters to hsmadvisor?
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It is actually already on the things to do list. But more pressing stuff keeps pushing it down.
Right now corner rounding tool can successfully be emulated with a chamfer tool of similar geometry.
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Do you know of anything similar for iOS?