Sandvik Coromant Heat resistant super alloys - Manual (Page 3)

Contents
Introduction 2
1. Heat resistant super alloys – HRSA 3
Alloy groups 4
Machinability/raw material
condition
5
Common component types 7
Coolant requirement 8
2. Turning of nickel-based materials 9
Machining stages 9
Typical wear mechanisms 11
Insert shape selection 13
Cutting tool materials 21
Ceramic insert grades 22
Carbide insert grades 26
SCL – predictive machining 28
Geometries and chip breaking 31
Recommended starting choices 34
Tailor Made 36
Engineered solutions 37
Component/feature solutions 42
3. Turning of cobalt-based materials 51
Process considerations 52
Typical wear recommendations 53
Insert shape selection 54
Optimized tools for internal machining 55
Recommended starting choices
57
Carbide insert grades 58
Engineered solution 58
Component/feature solutions 59
4. Milling 60
Production planning process 61
Typical components 61
Machining strategy 62
Cutter concept 64
Milling process with indexable inserts 65
Face milling with carbide inserts
68
End milling/90 degree approach 77
Ceramic milling 82
Solid carbide – CoroMill Plura in
HRSA machining
88
Exchangeable-head CoroMill 316
in HRSA machining
97
Component/feature based solutions 98
Recommended start cutting data 102
5. Hole making 104
Hole types and hole making methods 104
Tools for hole making
106
Circular ramping from solid 107
Circular interpolation of existing holes 108
Back chamfering/deburring
109
Thread milling 110
Recommended start cutting data 112
Component/feature solutions 114
6. Technical data 118
7. Material cross-reference list 120