Precision Industrial Diamond Tooling
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Technical Data - Conversion Tables

Converter

From:
To:
Result:

English to Metric

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BY

TO OBTAIN

Inches

25.4

Millimetres

Inches

2.54

Centimetres

Feet

.3048

Metres

Inches per minute

25.4

Millimetres per minute

Cubic Inches per minute

16.387

Cubic Centimetres per minute

Surface Feet per Minute

.3048

Surface Metres per minute


Metric to English

MULTIPLY

BY

TO OBTAIN

Millimetres

.0394

Inches

Centimetres

.3937

Inches

Metres

3.2808

Feet

Millimetres per minute

.0394

Inches per minute

Cubic Centimetres per minute

.0610

Cubic Inches per minute

Surface Metres per minute

3.2808

Surface Feet per Minute


Useful Formulas

Milling

Cutting SpeedVc=

d x px n
1000

(m/min)
Spindle Speed
Rev per min
n=Vc x 1000
p x d
(rpm)
Feed per toothFz=Vf
z x n
(mm)
Table feedVf=fz x z x n(mm/min)

Symbols

Cutting Speed=Vc(m/min)
No. of Flutes=z
Feed per Tooth=Fz(mm)
Spindle Speed=n(rpm)
Tool Diameter=d(mm)
p =3.142

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