Concrete 101: Finishing Tools and Their Uses - finishing tool

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Sumitomo Parting Off Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSSumitomo Grooving Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSHow to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

In practical machining, operators can adjust the tool diameter and spindle speed according to different machining requirements and material characteristics to achieve the desired SFM value. For example, for situations requiring efficient machining, increasing the spindle speed or choosing a larger tool diameter can raise the SFM. This approach helps improve production efficiency and reduce machining costs while ensuring machining quality.

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Harder materials (like Inconel, Tool Steel, and Stainless Steel) typically require lower SFM values to reduce heat buildup and tool wear. Softer materials (like Aluminum and Brass) can be machined at higher SFM values for efficient material removal and better surface finishes.

Watch the Video:"How to use the Carbide Grades Information"and get the most out of this page!Play VideoSumitomo Parting Off Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSSumitomo Grooving Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSHow to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

Sumitomo Grooving Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSHow to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

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How to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

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A proper SFM ensures that the material is removed effectively, leading to higher productivity and better surface finish. Balancing the SFM with other parameters (like feed rate and depth of cut) results in optimal cutting conditions.

Surface Feet per Minute (SFM) can be measured in two primary units: Feet per Minute (FPM) and Millimeters per Minute (MM/min). Both units serve the same purpose—measuring surface speed—but their use depends on the region and the measurement system in place.

This article was written by engineers from the BOYI team. Fuquan Chen is a professional engineer and technical expert with 20 years of experience in rapid prototyping, mold manufacturing, and plastic injection molding.

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Sumitomo Milling (Indexable) Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelXCU2500CVDMain GradesP05 - P30PPPPPPP - SteelACP100CVDAdditional GradesP05 - P20PPPPP - SteelACP2000CVDMain GradesP05 - P25PPPPPP - SteelACP200PVDAdditional GradesP10 - P30PPPPPP - SteelACU2500PVDMain GradesP10 - P40PPPPPPPP - SteelACP3000PVDMain GradesP20 - P45PPPPPPM - Stainless SteelXCU2500CVDMain GradesM05 - M20MMMMM - Stainless SteelACM100PVDMain GradesM05 - M15MMMM - Stainless SteelACU2500PVDMain GradesM10 - M30MMMMMM - Stainless SteelACM200CVDMain GradesM10 - M25MMMMM - Stainless SteelACM300PVDMain GradesM20 - M40MMMMMK - Cast IronXCK2000CVDMain GradesK05 - K20KKKKK - Cast IronACU2500PVDMain GradesK10 - K35KKKKKKK - Cast IronXCU2500CVDMain GradesK10 - K25KKKKK - Cast IronACK2000 (ACK200)CVDMain GradesK10 - K25KKKKK - Cast IronACK3000 (ACK300)PVDMain GradesK15 - K30KKKKN - Non-FerrousDL1000DLCMain GradesN05 - N25NNNNNN - Non-FerrousDL2000DLCMain GradesN05 - N30NNNNNNN - Non-FerrousH1UncoatedMain GradesN15 - N30NNNNN - Non-FerrousH20UncoatedMain GradesN20 - N35NNNNS - SuperalloysACU2500PVDMain GradesS05 - S25SSSSSS - SuperalloysACM100PVDAdditional GradesS05 - S10SSS - SuperalloysACM200CVDMain GradesS10 - S30SSSSSS - SuperalloysACM300PVDMain GradesS20 - S40SSSSSWatch the Video:"How to use the Carbide Grades Information"and get the most out of this page!Play VideoSumitomo Parting Off Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSSumitomo Grooving Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSHow to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

Filter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSHow to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

By increasing the spindle speed (RPM) or using a tool with a larger diameter, the SFM will increase. However, this must be balanced with the material’s characteristics and the tool’s capabilities to prevent adverse effects like overheating or tool breakage.

SFM tool speed refers to the rate at which the cutting edge of a tool moves across the material’s surface. It is a key factor in CNC machining that impacts. Here are the key tools and techniques to ensure precise SFM calculations:

SFM is particularly significant because it helps determine the optimal spindle speed (measured in RPM or Revolutions per Minute) for a given machining operation. The goal is to find the spindle speed that provides the best cutting speed for each type of cutter, regardless of whether it’s used on a lathe or a milling machine, and regardless of the tool or workpiece diameter.

Filter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSSumitomo Grooving Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSHow to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

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The formula for calculating SFM is derived from the relationship between the cutting tool’s rotational speed and its interaction with the material surface.

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By leveraging these tools and techniques, machinists can ensure accurate SFM calculations, leading to better machining performance, tool longevity, and quality surface finishes.

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Different materials have varying optimal SFM ranges. For instance, hard metals and alloys require lower cutting speeds compared to softer materials like aluminum or brass. By adjusting SFM according to the material being machined, operators can optimize results.

While both FPM and MM/min are used to measure surface speed in machining, converting between them is a common requirement in cross-border manufacturing. The conversion between these units is straightforward:

In metric units, surface speed is measured in Surface Meters per Minute (SMM) or meters per minute. However, SFM remains prevalent in many machining contexts, especially in regions that use imperial units.

When using the SFM formula, machinists need to consider the specific tool and material combination. Each tool has a recommended range of SFM values for different materials. For example, a carbide tool may have a higher SFM value for cutting stainless steel compared to a high-speed steel (HSS) tool.

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SFM, or Surface Feet per Minute, is a unit of measurement used to describe the “surface speed” or “cutting speed” during a machining process. It represents the speed at which the cutting edge of a tool moves across the surface of the workpiece in feet per minute. Essentially, it is a measure of how quickly the tool is slicing through the material.

These specialized software solutions are designed to offer comprehensive machining calculations and optimize cutting conditions:

Carbide Turninginserts

Sumitomo carbide turning insertparts

Filter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC8015P (AC810P)CVDMain GradesP05 - P15PPPP - SteelAC530UPVDAdditional GradesP10 - P30PPPPPP - SteelAC1030UPVDMain GradesP10 - P30PPPPPP - SteelAC8020PCVDMain GradesP10 - P25PPPPP - SteelAC8025P (AC820P)CVDMain GradesP15 - P30PPPPP - SteelAC530UPVDAdditional GradesP20 - P40PPPPPP - SteelAC8035P (AC830P)CVDMain GradesP25 - P45PPPPPM - Stainless SteelAC6020M (AC610M)CVDMain GradesM05 - M25MMMMMM - Stainless SteelAC6030M (AC630M)CVDMain GradesM10 - M35MMMMMMM - Stainless SteelAC1030UPVDMain GradesM20 - M40MMMMMM - Stainless SteelAC6040MPVDMain GradesM25 - M45MMMMMK - Cast IronAC4010K (AC405K)CVDMain GradesK05 - K15KKKK - Cast IronAC530UPVDAdditional GradesK10 - K30KKKKKK - Cast IronAC4015KCVDMain GradesK10 - K25KKKKK - Cast IronAC1030UPVDMain GradesK10 - K30KKKKKK - Cast IronAC420KCVDMain GradesK15 - K30KKKKN - Non-FerrousH1UncoatedMain GradesN10 - N30NNNNNS - SuperalloysAC5015SPVDMain GradesS05 - S15SSSS - SuperalloysAC5005S (AC510U)PVDMain GradesS05 - S10SSS - SuperalloysAC5025S (AC520U)PVDMain GradesS10 - S30SSSSSSumitomo Milling (Indexable) Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelXCU2500CVDMain GradesP05 - P30PPPPPPP - SteelACP100CVDAdditional GradesP05 - P20PPPPP - SteelACP2000CVDMain GradesP05 - P25PPPPPP - SteelACP200PVDAdditional GradesP10 - P30PPPPPP - SteelACU2500PVDMain GradesP10 - P40PPPPPPPP - SteelACP3000PVDMain GradesP20 - P45PPPPPPM - Stainless SteelXCU2500CVDMain GradesM05 - M20MMMMM - Stainless SteelACM100PVDMain GradesM05 - M15MMMM - Stainless SteelACU2500PVDMain GradesM10 - M30MMMMMM - Stainless SteelACM200CVDMain GradesM10 - M25MMMMM - Stainless SteelACM300PVDMain GradesM20 - M40MMMMMK - Cast IronXCK2000CVDMain GradesK05 - K20KKKKK - Cast IronACU2500PVDMain GradesK10 - K35KKKKKKK - Cast IronXCU2500CVDMain GradesK10 - K25KKKKK - Cast IronACK2000 (ACK200)CVDMain GradesK10 - K25KKKKK - Cast IronACK3000 (ACK300)PVDMain GradesK15 - K30KKKKN - Non-FerrousDL1000DLCMain GradesN05 - N25NNNNNN - Non-FerrousDL2000DLCMain GradesN05 - N30NNNNNNN - Non-FerrousH1UncoatedMain GradesN15 - N30NNNNN - Non-FerrousH20UncoatedMain GradesN20 - N35NNNNS - SuperalloysACU2500PVDMain GradesS05 - S25SSSSSS - SuperalloysACM100PVDAdditional GradesS05 - S10SSS - SuperalloysACM200CVDMain GradesS10 - S30SSSSSS - SuperalloysACM300PVDMain GradesS20 - S40SSSSSWatch the Video:"How to use the Carbide Grades Information"and get the most out of this page!Play VideoSumitomo Parting Off Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSSumitomo Grooving Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSHow to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

The correct SFM can help reduce excessive wear on the cutting tool. Too high of an SFM can cause rapid tool wear or even failure, while too low can lead to inefficient cutting and unnecessary heat buildup.

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Filter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelXCU2500CVDMain GradesP05 - P30PPPPPPP - SteelACP100CVDAdditional GradesP05 - P20PPPPP - SteelACP2000CVDMain GradesP05 - P25PPPPPP - SteelACP200PVDAdditional GradesP10 - P30PPPPPP - SteelACU2500PVDMain GradesP10 - P40PPPPPPPP - SteelACP3000PVDMain GradesP20 - P45PPPPPPM - Stainless SteelXCU2500CVDMain GradesM05 - M20MMMMM - Stainless SteelACM100PVDMain GradesM05 - M15MMMM - Stainless SteelACU2500PVDMain GradesM10 - M30MMMMMM - Stainless SteelACM200CVDMain GradesM10 - M25MMMMM - Stainless SteelACM300PVDMain GradesM20 - M40MMMMMK - Cast IronXCK2000CVDMain GradesK05 - K20KKKKK - Cast IronACU2500PVDMain GradesK10 - K35KKKKKKK - Cast IronXCU2500CVDMain GradesK10 - K25KKKKK - Cast IronACK2000 (ACK200)CVDMain GradesK10 - K25KKKKK - Cast IronACK3000 (ACK300)PVDMain GradesK15 - K30KKKKN - Non-FerrousDL1000DLCMain GradesN05 - N25NNNNNN - Non-FerrousDL2000DLCMain GradesN05 - N30NNNNNNN - Non-FerrousH1UncoatedMain GradesN15 - N30NNNNN - Non-FerrousH20UncoatedMain GradesN20 - N35NNNNS - SuperalloysACU2500PVDMain GradesS05 - S25SSSSSS - SuperalloysACM100PVDAdditional GradesS05 - S10SSS - SuperalloysACM200CVDMain GradesS10 - S30SSSSSS - SuperalloysACM300PVDMain GradesS20 - S40SSSSSWatch the Video:"How to use the Carbide Grades Information"and get the most out of this page!Play VideoSumitomo Parting Off Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSSumitomo Grooving Grades ChartFilter Main Grades Only:MaterialGradeCoatinggrade_statusApp Range051015202530354045P - SteelAC1030U (AC530U)PVDMain GradesP10 - P25PPPPP - SteelAC520UPVDMain GradesP15 - P30PPPPP - SteelAC830PCVDMain GradesP20 - P40PPPPPM - Stainless SteelAC1030U (AC530U)PVDMain GradesM10 - M25MMMMM - Stainless SteelAC520UPVDMain GradesM15 - M30MMMMM - Stainless SteelAC830PCVDMain GradesM20 - M40MMMMMK - Cast IronAC425KCVDMain GradesK10 - K25KKKKK - Cast IronAC520UPVDMain GradesK15 - K30KKKKK - Cast IronAC1030U (AC530U)PVDMain GradesK20 - K40KKKKKS - SuperalloysAC520UPVDMain GradesS10 - S25SSSSS - SuperalloysAC1030U (AC530U)PVDMain GradesS20 - S40SSSSSHow to understand and make the most out of our Grade TablesWe use the PMK convention that is used in most of the cutting tool catalogs. (Example P05-15, K25-40, etc.). If you are not familiar with it, please read our Detailed Explanation.We divide the grades into several "Grade Statuses":Active Main Grades - These are the primary grades of each brand.Active complimentary Grades - These are additional possibilities, either older or used for specific situations.You can use the filter above the table to view both or one of them.In addition, we list on the bottom of the page additional older and non-active grades.Sumitomo Older Non-Active GradesA list of additional older grades that are no longer in the Catalog, or had been replaced with modern generation grades.GradeInfoSubstrateCoatingAC2000GO➢Semi ToughCVDAC300GO➢HardCVDAC3000GO➢ToughCVDAC300GGO➢Semi HardCVDAC304GO➢ToughCVDAC405KGO➢HardCVDAC510UGO➢Very HardPVDAC610MGO➢Semi ToughCVDAC630MGO➢Semi ToughCVDAC700GGO➢Semi ToughCVDAC805PGO➢Semi HardCVDAC810PGO➢HardCVDAC820PGO➢Semi ToughCVDACK200GO➢Semi HardCVDACK300GO➢Semi HardPVDACZ330GO➢ToughPVDACZ70SGO➢Semi HardPVDH10_GO➢Semi HardUncoated

SFM (Surface Feet per Minute) plays a crucial role in machining processes by determining the optimal spindle speed (RPM) for different operations. It directly impacts tool performance, material machinability, and the overall quality of the finished product.

In a machining case, suppose the tool diameter is 0.5 feet and the spindle speed is 1000 RPM. Using the SFM calculation formula, we get:SFM = 3.14 × 0.5 × 1000 = 1570 surface feet per minute. In this example, we can see that by knowing the tool diameter and spindle speed, the SFM value can be accurately calculated.

Sumitomomilling inserts

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Sumitomo Turning Insertgrades

In practice, by understanding and applying SFM, machinists can achieve high-quality cuts, minimize tool wear, ensure safety, and achieve consistency in their machining operations.

Heat generated during machining can have detrimental effects on both the tool and the workpiece. The right SFM helps maintain manageable temperatures, reducing thermal damage and extending tool life.

These tools allow machinists to input parameters such as spindle speed (RPM) and cutter diameter to calculate SFM easily.

In the process of machining, in order to achieve high efficiency and precision, it is necessary to carefully manage various parameters. One of the most critical factors in machining operations such as turning, milling, drilling, and grinding is surface feet per minute (SFM), which is a measure of cutting speed or the speed at which cutting tools interact with the material being machined.

Maintaining an appropriate SFM helps achieve a smoother surface finish. If the SFM is too low, the tool may drag along the material, causing a rough finish. If it’s too high, it could create excessive heat, leading to workpiece deformation.

Surface speed refers to the rate at which the cutting tool moves across the workpiece, while Surface Feet per Minute (SFM) is a standardized measure of that speed in feet per minute.

This formula shows that SFM is directly proportional to the spindle speed (RPM) and the cutter diameter. As RPM increases or the cutter diameter increases, the surface speed (SFM) also increases.