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I've run across a term in some grinding manufacturing research papers called the specific material removal rate. The units given for this term are [mm$^3$/mm$\cdot$s] (I don't really like this style of formatting because it makes it unclear as to whether the [s] is in the numerator or denominator, but that is the style that has been used in all of the papers that I have seen with this term). I am familiar with the general machining term material removal rate (or $MRR$), which is the volume of material removed per second from a workpiece in [mm$^3$/s], but what is the "specific" part of the "specific material removal rate"?

Mar 14, 2024 — First, determine the total number of inches. · Next, determine the total amount of time (min). · Next, gather the formula from above = IPM = I / T ...

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Usually in machining when we say "specific" we're talking about per unit volume removed. So the specific energy of machining is normally expressed as unit energy per unit volume removed (e.g. [J/mm$^3$]). But for the specific $MRR$ it is a volume per second per unit length (after all, it wouldn't make any sense to have volume removed per unit volume removed). So I guess the real question is, what is this length that we are dividing the $MRR$ by to get the specific $MRR$? Why is this term useful?

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Nov 23, 2022 — The answer to this question is sometimes. We'll explain the details below, but if you're looking for a short answer, ending a sentence with a ...

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2020420 — The relationship (calculation formula) between RPM and Spindle RPM = SFM/Tool Diameter X 3.82 x tooling correction factor. Cutting Speed Chart ...

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Sandvik General Turning Insert Identification System - turning insert identification chart. 2024-09-08 09:19:04. With more than 10.6 million unique ...

The specific material removal rate appears to be the product of the depth of cut and the feed rate. "Specific" refers to normalization by the width of the cut. From a quick search at Google Books, this definition appears, for example, in:

I know this is an old question but I figured, since there's some confusion, I'd share a direct quote from "Machinery's Handbook" 30th edition, by Erik Oberg, Franklin D. Jones, Holbrook L. Horton, and Henry H. Ryffel. 2016 Industrial Press.

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He was preceded in death by his father, Joseph P. Loupe. He is survived by his wife, Connie Loupe; sons, Chad Loupe (Rachel) and Brett Loupe ( ...

Nov 17, 2022 — One of the most common uses of copper-nickel is in currency coins. The US penny, for example, is 97.5% zinc and 2.5% copper. Cupronickel is ...

This seems like a pretty basic question, but I have been unable to find a definition for the specific material removal rate anywhere. I've looked at several papers and from context in the papers it is rather unclear. I've checked my textbook, Fundamentals of Modern Manufacturing 5th Ed. by Mikell P. Groover, no answer there. It may be a term that is specific to grinding operations.

Often regarded as one of machining's most versatile tools, Double Angle Shank Cutters can perform chamfering, V-groove, thread milling, deburring, and ...

"Specific Metal Removal Rate, or SMRR, represents the rate of material removal per unit of wheel contact width and are commonly recommended from: 200 to 500 mm3/mm width/minute (0.3 to 0.75 in3/inch width/minute)."

Machining Conditions. Maximum spindle speed of the milling machine: RPM. Recommended cutting speed (surface feet): SFM. Axial depth of cut (DOC): in. Radial ...

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