Product Sandvik Inserts

[gerritv]

For Sandvik, go to https://www.sandvik.coromant.com/en-us/downloads/pages/default.aspx, filter on Ordering Information and then download Turning Tools (can't link directly to it). pg 865 has material cross ref list, e.g. ISO N is aluminum. This helps pick inserts specific to finish/medium and roughing for the specific inset shapes. Well worth spending a bit of time on the Sandvik downloads site, some very good information for free. E.g. their Training, Turning and Threading Applications guides (filter on Technical Information on downloads page) is second to none IMHO

 

[gerritv]

And this is a summary of designations for insert holders. (From the excellent Mechanical and Metal Trades Handbook)

 

[gerritv]

And the related insert designations:

 

[jcdammeyer]

@jcdammeyer I think your first chart is 'wrong' due to the 2056 SFM you fed it? Hence the high RPM is recommended.

The Material Selection table on the left for the various metal alloys determines the 2056 FPM. Below that number is the slider. You can can see I've pulled it way over and tweaked it to 250 FPM. I also reduced depth of cut to 0.015 from 0.030 since the smaller inserts I'm using probably aren't sharp at that depth. (Or maybe they are?)

The clicking on the calculate button fills in the bottom boxes with more reasonable home shop values. But there's the key. For a smaller insert what's the max depth of cut? If it's on a boring bar and things are going nicely but of course the bottom of the hole is now a larger flat area. At some point when you touch the bottom depending on the geometry of the cutter, it may appear like too deep a depth of cut and you end up breaking the insert. At least I think that's what happened on one occasion.

Might have to sketch that to show what I mean.

 

[jcdammeyer]

Actually the red box does say what the parameters are: VP15TF is a Mitsubishi carbide insert designation : http://www.mitsubishicarbide.com/application/files/7214/4643/8968/b034g.pdf. It is for a variety steels, not aluminum.

My approach to finding inserts is to use a specific store: https://www.aliexpress.com/store/911783152, they list by brand (names slightly changed to protect??), then go through the designations for a brand. E.g. if you stick with Sandvik/Sandvki, make a cheat chart of the (small) selection of usage designations then you can find suitable parameters for the job at hand. Each manufacturer of course has their own designations. Generally the inserts offered have a very broad range of applications.

gerrit

The yellow box says VP15TF. The red one has no markings but I'm guessing it's for steel too based on the colour of the inserts.

I'm pretty sure the blue box was for aluminium.

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Thanks for that Aliexpress link.