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Freely Specifiable Straight Blade End Mills Recommended Cutting Conditions

Side-cutting with End Mills for Carbide Straight Blade T-Slot Machining

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● This table was made based on an Rd (cut-in width) of 0.1 to 0.2 D and an Ad (flute width) of 2 mm.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● Cutting conditions also change when the blade portion is shaped. So adjust the optimum cutting conditions by referring to the table below.
● For fraction sizes of flute diameter D, refer to the larger of the number values.
● Use Slim Shanks (SS-) at both feed speeds and rotational speeds 70% of the following conditions.

(T-slot 2 Flutes) Model Number Example
STSEM / STSBEM / STSREM, etc.

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(T-slot 4 Flutes) Model Number Example
STSEMW / STSBEMW / STSREMW, etc.

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Groove Cutting with End Mills for Carbide Straight Blade T-Slot Machining

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● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● Use Slim Shanks (SS-) at both feed speeds and rotational speeds 70% of the following conditions.
● Cutting conditions also change when the blade portion is shaped. So adjust the optimum cutting conditions by referring to the table below.
● For fraction sizes of flute diameter D, refer to the larger of the number values.

(T-slot 2 Flutes) Model Number Example
STSEM / STSBEM / STSREM, etc.

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(T-slot 4 Flutes) Model Number Example
STSEMW / STSBEMW / STSREMW, etc.

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Cutting with End Mills for Carbide Straight Blade Boss Machining

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● This table was made based on the machining conditions on the left.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
● Use Long Shanks (LS-) at both amounts of feed and rotational speeds 70% of the following conditions.

Model Number
BSC / BSRC / BSCC / BSCAC / BSCACR / BSCADC / BSTC / BSTRC / BSTCC / BSTCAC / BSTCADC

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Rounded Corner Machining with a Carbide Inner Curve Cutter

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● Cutting should be conducted in multiple separate bursts.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the table feed rate and rotational speed at the same ratio.

Model Number
SCREM/SCRDEM

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Groove Cutting with Freely Specifiable Straight Blade End Mills

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● This table was made based on an Ad (cut depth) of 0.5 to 1.0 D.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● Cutting conditions also change when the blade portion is shaped. So adjust the optimum cutting conditions by referring to the table below.
● For fraction sizes of flute diameter D, refer to the larger of the number values.
● Use Long Shanks (LS-) at both feed speeds and rotational speeds 70% of the following conditions.

Model Number
SEM / SBEM / SHBEM / SQBEM / SFBEM / SHBTEM / SBTEM / NR-SBTEM / NR-SHBTEM / SLBEM / SREM /
SCEM / STEM / STBEM / STREM / STCEM / SCAEM / STCAEM / SCADEM / STCADEM / SCAREM / SSBTEM

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Side-cutting with Freely Specifiable Straight Blade End Mills

Title image sample
● This table was made based on an Rd (cut width) of 0.1 to 0.2 D and an Ad (cut depth) of 1.0 to 1.5 D.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● Cutting conditions also change when the blade portion is shaped. So adjust the optimum cutting conditions by referring to the table below.

● For fraction sizes of flute diameter D, refer to the larger of the number values.
● Use Long Shanks (LS-) at both feed speeds and rotational speeds 70% of the following conditions.

Model Number
SEM / SBEM / SHBEM / SQBEM / SFBEM / SHBTEM / SBTEM / SLBEM / SREM / SCEM / STEM /
STBEM / STREM / STCEM / SCAEM / STCAEM / SCADEM / STCADEM / SCAREM / SCAEMR

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Cutting with End Mills for Freely Specifiable Straight Blade Stepped Boss Hole Drilling

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● This table was made based on the machining conditions on the left.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.

● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.


Model Number
BSCS

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Groove Cutting with End Mills for Freely Specifiable Straight Blade Stepped Machining

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●This table was made based on an Ad (blade cut depth) of 0.5 to 1.0 D.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
● For fraction sizes of flute diameter D, refer to the larger of the number values.

Model Number
SEMS

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Cutting with Freely Specifiable Straight Blade End Mills

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● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
● Use Long Shanks (LS-) at both amounts of feed and rotational speeds 70% of the following conditions.

Model Number
SRM / BSRM / SSCMEM / BSZEM / SBRM / SRRM / SRCMEM / SCRM / BSCRM / SCCMEM /
BSZCEM / SCARM / BSCARM / SCACMEM / BSZCAEM / STCMEM / STBCMEM / STRCMEM /
STCCMEM / STCACMEM / SBCREM / SRCREM / SCCREM / SCACREM / SZEM / SZBEM / SZREM /
SZCEM / STCREM / STBCREM / STRCREM / STCCREM / STCACREM / SZREM / BSZREM

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Side-cutting with Freely Specifiable Straight Blade End Mills

Title image sample
● This table was made based on an Ad (cut depth) of 0.5 to 1.0 D.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● Cutting conditions also change when the blade portion is shaped. So adjust the optimum cutting conditions by referring to the table below.
● For fraction sizes of flute diameter D, refer to the larger of the number values.
● Use Long Shanks (LS-) at both feed speeds and rotational speeds 70% of the following conditions.

Model Number
SSCREM / SBCREM / SRCREM / SCACREM / SZEM / SZBEM / SZREM / SZCEM /
SZCAEM / STCREM / STBCREM / STRCREM / STCCREM / STCACREM / SCRTEM

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V Groove, Positioning and Chamfering by Freely Specifiable Straight Blade End Mills

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● Chamfer machining conditions where Ad (cutting depth) is 0.3 D or less.
● When V groove machining, use at 50% or less of the criteria listed below.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
● For fraction sizes of flute diameter D, refer to the larger of the number values.
● Use Long Shanks (LS-) at both feed speeds and rotational speeds 70% of the following conditions.

Model Number
SVEM / SVZEM / SMBEM / SMEM / SVDEM

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Groove Cutting with Carbide Ring Groove Cutters

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Model Number
C-RGC

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