Research Article

Optimizing Cutting Conditions for Minimum Surface Roughness in Face Milling of High Strength Steel Using Carbide Inserts

Table 7

Cutting conditions for group B.

TestGroupSpindle speedDepth of cutTable feedSurface finish (µm)
number#(rpm)(mm)(mm/min)

B1B15000.25500.0440.298
B2750.1221.042
B31000.1531.200
B41250.2041.417
B5B25000.5500.0560.338
B6750.1300.948
B71000.1731.257
B81250.2111.368
B9B35000.75500.0750.854
B10750.1661.133
B111000.1961.371
B121250.2351.428
B13B45001.00500.0870.928
B14750.2081.216
B151000.2421.401
B161250.2561.598
B17B57500.25500.0850.605
B18750.1861.223
B191000.2091.738
B201250.2401.479
B21B67500.5500.0880.872
B22750.1061.067
B231000.1171.150
B241250.1461.179
B25B77500.75500.0980.900
B26750.1211.102
B271000.1381.318
B281250.1691.549
B29B87501.00500.1101.002
B30750.2001.990
B311000.2962.143
B321250.3562.261
B33B910000.25500.0490.338
B34750.1000.896
B351000.1201.007
B361250.1401.176
B37B1010000.5500.0960.605
B38750.1180.952
B391000.1361.112
B401250.2391.722
B41B1110000.75500.1100.746
B42750.2211.362
B431000.2401.677
B441250.2621.857
B45B1210001.00500.1180.856
B46750.2421.600
B471000.2681.917
B481250.2792.142
B49B1312500.25500.0600.861
B50750.1101.084
B511000.1451.113
B521250.1651.437
B53B1412500.5500.0650.406
B54750.1220.899
B551000.1380.908
B561250.1661.000
B57B1512500.75500.0680.323
B58750.1291.235
B591000.1751.346
B601250.2012.189
B61B1612501.00500.0750.412
B62750.1651.516
B631000.1921.715
B641250.2251.822