Case Studies: Strut Mount
Just watch current case studies in automotive industry comparing Strut Mount.Material: Nodular cast iron (GGG) (SMG K4)
Coolant: Water-soluble oil
Operation: Face milling both sides of the shock absorber location
Criterion: Tool cost per piece
Fixturing: Hydraulic clamping fixture
Tool: 335-29-200, 50-15R/L-R06
Insert 1: RPHT1204MOT-M10, MP2500
Insert 2: -
Cutting Data:
| | N | vc | f | fz | ap | ae | vf | z |
|---|
| Metric | 525 rpm | 330 m/min | 4.05 mm/rev | 0.27 mm | 3 mm | 45 mm | 2160 mm/min | 15 |
| Inch | 525 rpm | 1079 sfm | .159 ipr | .01" | .118" | 1.771" | 85.03 ipm | 15 |
Results: Tool cost per piece decreased by 66 % due to use of round inserts
Material: Forged steel (SMG P5)
Coolant: Water-soluble oil
Operation: Spindle O.D. roughing
Criterion: Cycle time & tool life
Fixturing: Hydraulic clamping fixture
Tool: Custom O.D. step-turning tool
Insert 1: CCMT09T308-F2, TP1500 (CCMT 32.52-F2, TP1500)
Insert 2: XOMX180631TR-ME13 MP2500
Cutting Data:
| N | vc | f | fz | ap | stroke | z |
| Metric | 2200 rpm | 220 m/min | 0.6 mm/rev | 0.3 mm | 3 mm | 28.19 mm | 2 |
| Inch | 2200 rpm | 720 sfm | .024 ipr | .012" | .118 | 1.11 | 2 |
Results: Tool life improved by 40 %
Material: Nodular cast iron (GGG) (SMG K4)
Coolant: Water-soluble oil
Operation: Shock absorber connection slot
Criterion: Tool life
Fixturing: Hydraulic clamping fixture
Tool: Disc milling cutter 335.220.08 500-8
Insert 1: SNHQ1204504TR4-M07, F40M
Insert 2: SNHQ1204504TL4-M07, F40M
Cutting Data:
| | N | vc | fn | fz | ap | ae | vf | z |
| Metric | 217 rpm | 150 m/min | 1.95 mm | 0.15 mm | 8 mm | 30 mm | 16.65 ipm | 13 |
| Inch | 217 rpm | 490 sfm | .076" | .0059" | .314" | 1.18" | 16.65 ipm | 13 |
Results: Tool life improved and slot shrinking effect reduced