ToolingSolutionsProductCatalogVol1 2024 USA LR

PFB Finishing Ball End Mill

Effective Cutting Diameter Depth of Cut Aa ØDc ØDc

Effective Cutting Diameter (ØDe)

ØDc ØDc (inch) (mm) 0.250” 6mm 0.275" 7mm 0.315" 8 mm 0.375" 10 mm 0.500" 12 mm 0.625" 16 mm 0.750" 20 mm 1.000" 25 mm 1.181" 30 mm 1.250" 32mm 0.004 0.1 0.063 1.5 0.063 1.6 0.071 1.8 0.077 2.0 0.089 2.2 0.100 2.5 0.109 2.8 0.126 3.2 0.137 3.5 0.142 3.6 0.008 0.2 0.088 2.2 0.091 2.3 0.099 2.5 0.108 2.8 0.125 3.1 0.141 3.6 0.154 4.0 0.178 4.5 0.194 4.9 0.197 5.0 0.012 0.3 0.107 2.6 0.110 2.8 0.121 3.0 0.132 3.4 0.153 3.7 0.172 4.3 0.188 4.9 0.218 5.4 0.237 6.0 0.244 6.2 0.016 0.4 0.122 3.0 0.130 3.3 0.138 3.5 0.152 3.9 0.176 4.3 0.197 5.0 0.217 5.6 0.251 6.3 0.273 6.9 0.280 7.1 0.020 0.5 0.136 3.3 0.142 3.6 0.154 3.9 0.169 4.4 0.196 4.8 0.220 5.6 0.242 6.2 0.280 7.0 0.305 7.7 0.311 7.9 0.031 0.8 0.165 4.1 0.177 4.5 0.188 4.8 0.207 5.4 0.241 6.0 0.271 7.0 0.299 7.8 0.347 8.8 0.378 9.7 0.394 10.0 0.039 1.0 - - - - - - 0.229 6.0 0.268 6.6 0.302 7.7 0.333 8.7 0.387 9.8 0.422 10.8 0.437 11.1 0.059 1.5 - - - - - - 0.273 7.1 0.323 7.9 0.365 9.3 0.404 10.5 0.471 11.9 0.515 13.1 0.531 13.5 0.079 2.0 - - - - - - - - 0.365 8.9 0.415 10.6 0.460 12.0 0.539 13.6 0.590 15.0 0.610 15.5 0.098 2.5 - - - - - - - - - - 0.455 11.6 0.506 13.2 0.595 15.0 0.652 16.6 0.677 17.2 0.118 3.0 - - - - - - - - - - - - 0.546 14.3 0.645 16.2 0.708 18.0 0.736 18.7 0.138 3.5 - - - - - - - - - - - - 0.581 15.2 0.690 17.3 0.759 19.3 0.787 20.0 0.157 4.0 - - - - - - - - - - - - - - 0.728 18.3 0.802 20.4 0.835 21.2 0.117 4.5 - - - - - - - - - - - - - - - - 0.706 21.4 0.874 22.2 0.197 5.0 - - - - - - - - - - - - - - - - 0.881 22.3 0.913 23.2 Note: Effective cutting diameter is based on cutting depth (Aa) ØDc ØDc ØDc ØDc ØDc ØDc

ØDc

How to determine effective cutting diameter:

Ex: Dc = 0.500” Aa = 0.020”

De=2 a a (D c -a a )

De = 2√0.020(0.500-0.020) De = 0.196”

ØDe

Recommended Width of Cut & Surface Roughness

Surface Finish h

Width of Cut Ar

Tool Dia ØDc

(inch) (mm) (inch) (mm) (mm) 0.250 6 0.0157 0.4 0.00027 0.007 0.275 7 0.0177 0.45 0.00027 0.007 0.315 8 0.0197 0.5 0.00031 0.008 0.375 10 0.0236 0.6 0.00037 0.009 0.500 12 0.0275 0.7 0.00038 0.010 0.625 16 0.0315 0.8 0.00040 0.010 0.750 20 0.0394 1.0 0.00052 0.012 1.000 25 0.0472 1.2 0.00055 0.014 1.181 30 0.0512 1.3 0.00055 0.014 1.250 32 0.0551 1.4 0.00059 0.015 (inch)

Aa

Ar

Ar

Ar

Dc=20mm Ar=1mm ->h=0.0125mm

Width of Cut, Ar (mm)

Width of Cut, Ar

Theoretical Cusp Height

PFB-BR Barrel Type Tool

Cusp Height and Pitch

0.020 0.018 0.016 0.014 0.012 0.010 0.008 0.006 0.004 0.002 0

(mm)

Pitch

DC

φ10 R15 φ12 R18 φ16 R24 φ20 R30 φ25 R37.5 φ32 R48

PFB-LZ Lens Type Tool

0.5

1

1.5

2

3

2.5

(mm)

Pitch

DC

h = 0.5 × ( 2×RE2- (2×RE2) 2 - P 2 ) h: Cusp Height P:Pitch RE2: Peripheral Edge R

Pitch

osgtool.com

1543

End Mill Technical

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