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Cutting Data Calculator

SmiCalc

SELECT CUTTING DATA TOOL
SmiProg - Software for Thread Milling Separate thread milling software for cutting data and CNC programming. Available as a web app and Excel file.
➜ SmiProg
SmiCut Material Selector

2Coolant
4Drill length
NOTE:

Cutting Data

Selected Parameters

Final calculations
Cutting speed -
Feed per revolution -
5Tap type
6Grade
NOTE:

➜ Learn more about SmiCut threading taps and grades
Cutting Data

Selected Parameters
Final calculations
Cutting speed -
5Insert type
6Threading type
NOTE:

Helix Angle Calculator Calculate the helix angle and get anvil recommendations for optimal thread turning conditions.
➜ Open calculator
➜ Learn more about thread turning
Cutting Data

Selected Parameters
Final calculations
Cutting speed -
Number of passes -
NOTE:

Cutting Data

Selected Parameters
Final calculations
Cutting speed -
Feed per flute -

Calculate Cutting Data with SmiCalc

SmiCalc is SmiCut’s tool for calculating cutting data for tapping, thread turning, milling, and drilling. The tool provides recommended values for cutting speed, feed rate, spindle speed, and other machining parameters based on tool type, material, and application.

Use the material selector to identify the correct material category. Enter a material grade or designation and the tool will analyze material specifications and match the material to the correct SmiCut category. You will also receive an explanation of how the material was classified. The identified material category can also be used to select cutting data in SmiCut’s catalogue or in SmiProg for thread milling.

Security Notice: This tool is intended as a guide, and recommended values should be verified before use. SmiCut is not responsible for how these recommendations are applied in your machining process. If you are unsure about the recommended cutting data, please contact us at info@smicut.se.

Documents

SmiCut Main Catalogue

Links

SmiProg - Software for Thread Milling
Helix Angle Calculator - Software for Thread Turning

SmiCut Material Categories

MATERIAL
Hardness
HB
Tensile Strenght
N/mm²
Steel
Low carbon, C < 0,25%
< 120
< 400
Medium carbon, C < 0,55%
< 200
< 700
High carbon, C < 0,85%
< 250
< 850
Low alloy
< 250
< 850
High alloy
< 350
< 1200
Hardened, HRC < 45
Hardened, HRC < 55
Hardened, HRC < 65
Cast iron
Lamellar graphite
< 150
< 500
Lamellar graphite
< 300
< 1000
Nodular graphite, malleable
< 200
< 700
Nodular graphite, malleable
< 300
< 1000
Stainless steel
Free machining
< 250
< 850
Austenitic
< 250
< 850
Ferritic and austenitic
< 300
< 1000
Titanium
Unalloyed
< 200
< 700
Alloyed
< 270
< 900
Alloyed
< 350
< 1250
Nickel
Unalloyed
< 150
< 500
Alloyed
< 270
< 900
Alloyed
< 350
< 1250
Copper
Unalloyed
< 100
< 350
Brass, bronze
< 200
< 700
High strength bronze
< 470
< 1500
Aluminium
Unalloyed
< 100
< 350
Alloyed, Si < 0,5%
< 150
< 500
Alloyed, Si < 10%
< 200
< 400
Alloyed, Si > 10%
< 120
< 400
Inconel
718
< 370
< 900
Graphite
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