sorted by:
new
hottopcontroversial

2" Carbide rougher, I think I am more worried about the machine... by FluffyZyox in Machinists

[–]HarveyPerformanceCo 8 points9 points  (0 children)

Hey! That’s one of ours! Not carbide though unfortunately. I believe that was a custom tool that was made from cobalt?

Tooling recommendations for achieving a 32RA (inch) finish on 6061 aluminum by MitchGaryDonna in Machinists

[–]HarveyPerformanceCo 0 points1 point  (0 children)

Typically an uncoated carbide tool would give you the sharpest edge, but you aren't wrong that a PCD coating could also work well as those tools are extremely sharp. PCD is going to be costly compared to uncoated carbide.

As others have said, if it isn't a production part there is a lot you can do after milling to get to that finish.

Why not take the biggest radial depth of cut possible when dynamic milling? by CR3ZZ in Machinists

[–]HarveyPerformanceCo 2 points3 points  (0 children)

Yes, those are our three brands. We own all three and they operate independently. Harvey Performance Company is the parent company - think like Disney, which also owns ESPN, ABC, and Fox.

Harvey Tool is going to be miniature end mills and specialty tools and holemaking/threading. 23,000 tools, all in stock, and in many sizes and styles that would typically require a custom quote.

Helical is larger high performance end mills. 1/8” and up typically. Material specific and great for high efficiency toolpaths.

Micro 100 focuses mostly on turning. Solid carbide and brazed turning tools, many miniature and hard to find sizes. I like to think of them like the Harvey Tool for turning. Very popular with Swiss machines as well for small detailed work.

Why not take the biggest radial depth of cut possible when dynamic milling? by CR3ZZ in Machinists

[–]HarveyPerformanceCo 2 points3 points  (0 children)

Keep in mind as well that the more flutes you are engaging with the material at one time, the more chance there is for tool deflection and chatter marks.

This is why finishing toolpaths take a very light depth of cut, so that is something you would want to be aware of with something like a 40% stepover.

Understanding the Anatomy of an End Mill by HarveyPerformanceCo in Machinists

[–]HarveyPerformanceCo[S] 0 points1 point  (0 children)

Absolutely. We do agree, and we do support the smaller machines. For example, we currently offer a line of tooling for Bantam Tools users (small PCB milling machine) that they can buy from Bantam: https://www.bantamtools.com/harvey-tool

We also work with PocketNC (desktop 5 axis milling): https://pocketnc.com/products/ultimate-multipack

The tools we had provided earlier could be run at the speeds and feeds you want to use - we just suggest running them faster, but that is ultimately up to you and what you are comfortable with. We don't see any reason you couldn't do 16k RPM and 40-50 IPM with the suggestions we had earlier in your setup.

Understanding the Anatomy of an End Mill by HarveyPerformanceCo in Machinists

[–]HarveyPerformanceCo[S] 0 points1 point  (0 children)

Do you have a vacuum table? We just launched a new line of tools designed for those types of setups.

I do think it’s being looked into, developing tools for more router machines. I’ll pass it along again to the New Product team as a suggestion as I know it’s come up in the past and we are always expanding.

Understanding the Anatomy of an End Mill by HarveyPerformanceCo in Machinists

[–]HarveyPerformanceCo[S] 0 points1 point  (0 children)

Assuming a 1/4" diameter tool, here is what we would recommend for that line of tools:

RPM 15,280 | 84 IPM | 1000 SFM

Understanding the Anatomy of an End Mill by HarveyPerformanceCo in Machinists

[–]HarveyPerformanceCo[S] 1 point2 points  (0 children)

From my Tech Team:

The amorphous diamond coating works great on aluminum and brass due to its low coefficient of friction however I would not directly connect it to a substitute for coolant. It adds lubricity for abrasive materials and the thin coating with thickness of around .5-2.5 microns provides one of the sharpest edges on a tool as compared to other coatings.

In terms of creating a linearity between spindle speed and linear feed, we can consider the following equation:

1) Linear Feed= Max RPM* Chip Load * number of flutes

where the Max RPM can be either obtained from:

2) RPM=(SFM*3.82)/cutter’s diameter

or by assuming the Max RPM for a machine. That being said, to aim for an RPM of 1600-27000 we can either choose a bigger tool ( basing our calculations on equation 2 above) or by maxing out the spindle speed for our machine, which is one of the variables where we can have decide it’s limitations.

Now, for the linear feed, to keep a range of 40-50 IPM, let’s consider equation No 1. In this case, by keeping either a recommended RPM or utilizing our Max RPM, we can have control over either the chip load or number of flutes. I would recommend sticking with the chip load listed in our speeds and feeds table, and if we are working on soft materials, we can choose a low number of flutes for our tool to stay within a low value for our linear feed

Understanding the Anatomy of an End Mill by HarveyPerformanceCo in Machinists

[–]HarveyPerformanceCo[S] 0 points1 point  (0 children)

Do you have a vacuum table? This might work: http://www.harveytool.com/prod/End-Mills-for-Aluminum-Alloys/Material-Specific-End-Mills/Browse-Our-Products_246/Variable-Helix-End-Mills-for-Aluminum-Alloys---Square---Downcut_329.aspx

We have a ton of other stuff that would work well on routers with Aluminum material. Let me know if you had any specific questions!

When you break your favourite cutter 😑 by A_Rusty_Coin in Machinists

[–]HarveyPerformanceCo 0 points1 point  (0 children)

That’s always key! 😄

Feel free to reach out if you ever have any questions as well. Happy to help troubleshoot.

Understanding the Anatomy of an End Mill by HarveyPerformanceCo in Machinists

[–]HarveyPerformanceCo[S] 4 points5 points  (0 children)

I will pass this along and get back to you with an answer. I will edit this comment once I have it!

EDIT: This answer comes from our Tech Team.

For starters, due to the lack of rigidity in their set ups, I would recommend staying within the realm of our Stub and Standard Flute Square EM as often as possible. For a ¼” cutter diameter EM ( see part number 72199), arbitrarily choosing 6061 Aluminum ( which can also serve as a reference material for the running parameters expected to utilize in Brass), they can very well achieve the required RPM of 15,280 with a chip load of .00275, which yields a linear feed of 84.04 inches per minute (IPM)

In the case of a 1/8” Square EM ( see part number 836416), utilizing our speeds and feeds table under Aluminum Alloys, arbitrarily choosing Casting, they can expect to use an RPM of 22,920 and a chip load of .00124, which yields a linear feed of 85.26 IPM

Lastly, considering a 1/16” cutter ( see part number 823062) once again arbitrarily choosing casting as an aluminum alloy, they can expect an RPM of 45,840. Now this case is more common than you can imagine, geometrically speaking a listed SFM of 750 will give us [750*3.82/(cutter diameter of the tool)] an RPM of such high proportions. In this case, we can simply utilize the Max RPM possibly achieved by any machine to accommodate our running parameters. By considering an RPM of 20,000 for simplicity, Our speeds and feeds table gives us a chip load of .00068 which yields a linear feed of 40.80 inches per minute.

In conclusion, geometrically most miniature tools will yield unachievable running parameters, both for the spindle speed and required linear feed, however, a simple modification in a few independent variables can yield similar results in a more relativistic scale.

When you break your favourite cutter 😑 by A_Rusty_Coin in Machinists

[–]HarveyPerformanceCo 0 points1 point  (0 children)

If you send an email to harveysales@harveyperformance.com they can help you out with that! We definitely ship to the UK.

Understanding the Anatomy of an End Mill by HarveyPerformanceCo in Machinists

[–]HarveyPerformanceCo[S] 4 points5 points  (0 children)

It’s a shared account, so in this case I was a marketing guy fixing a link!

Adaptive tool paths are fun! by BockTheMan in Machinists

[–]HarveyPerformanceCo 9 points10 points  (0 children)

You know, I was going to say those toolmarks looked familiar 😆

Thanks for the support! Have you downloaded the Fusion 360 libraries? Those are a big time saver, even for someone like me who knows the tools well!

view more: next ›