POLYGON MILLLING Polygon Milling Cutter - Horn USA, Inc.

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TECHNICAL INFORMATION
Form No. of inserts on the
milling cutter
Cutting data
Ratio =
Tool:Spindel Flats
1 1 : 1 not suitable, heavily convex
2
1
3
2
1
2
1
3
2
1
3
2
4
2
1 : 1
2 : 1
1 : 1
1.5 : 1
3 : 1
2 : 1
4 : 1
1.66 : 1
2,5 : 1
5 : 1
2 : 1
3 : 1
2 : 1
4 : 1
not suitable, convex
very suitable, little convex
not suitable, convex
suitable, convex
very suitable, little concave
very suitable, little convex
not suitable, concave
suitable, convex
very suitable, little concave
not suitable, concave
very suitable, little convex
not suitable, concave
very suitable, little convex
not suitable, concave
Material Grades v c sfm Feed rate
IPT
Al MG12 1600 - 3200 .004 - .008
Ms58 MG12 1600 - 3200 .004 - .008
9SMnPb28 TI25 600 - 1600 .003 - .006
16MnCr5/C45 TI25 500 - 800 .002 - .004
Feed rate values only valid for turning process!
At grooving process the feed rate has to be reduced by 30 - 50 %, depending
on the insert width!
Example:
Polygon milling head Ø 90 mm
SW 24 mm
Material: Steel
v c = 1474 SFM
f Z = .003 IPT
3 Inserts, l = 2:1
Flat length: 12 mm
Cycle time: ~ 2 sec.
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1 - 888 - 818 HORN