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CASE STUDY                                                                                                                                                                                CASE STUDY



               X5070 End mills                                                     Reference page : p.101 ~ p.159                 4G Mills End mills                                                  Reference page : p.161 ~ p.345



                           Carbide 6 Flute 45° Helix End mill for Hardened Steel                                                   TEST I      - Ball Nose
                                                                                                                                                                                     4G Mills                  Total Milling Length : 300m
                 45                                                    Cutting Condition (Down & Side Cutting)                       100
                       YG-1
                       Competitor A                                           Tool       6Flute 45° Helix
                 40
                                                                              Size       Ø16×Ø16×40×110                  100         90
                 35
                                                                                         JIS   : SKD61(HRc50)                                                                   Point part       20。part          20。part
                 30                                                        Work Material  DIN : X40CrMoV5-1(1.2344)      90          80
                                                                                         AISI : H13                                                                           Competitor A                     Total Milling Length : 300m
                 25                                                         Vc(m/min)    96.5                            80          70
                 20                                                       RPM (rev./min)  1,920                          70          60
                 15                                                       Feed(mm/min)   912                                                                                    Point part       20。part          20。part
                                                                         Milling Depth(mm)   Axial : 24 / Radial : 0.96  60          50
                 10                                                                                                                 Wear
                                                                             Coolant     Dry Cut
                 5                                                                                                       50          40                                       Cutting Condition (Profile Cutting)
                                                                          Overhang(mm)   52                             Wear                                                            Tool          2Flute, SEMD98060E
                 0                                                           Machine     Machining Center                40
                   0                  50                   100                                                                       30                                                 Size          Ø6×6×12×90
                                                                                                                                                                                     Work Material    KP4M (HRc35 / DIN 1.2738 Improved)
                                                                                                                         30          20                                               Vc(m/min)       130.061
                                                                                                                                                                                    RPM (rev./min)    6,900
                                                                          X5070                                          20                                                         Feed(mm/min)      830
                                                                  (Total Milling Length : 100m)                                      10                                          Feed per tooth(mm/tooth)  0.060
                                                                                                                         10           0                                            Milling Depth(mm)   Axial : 0.2 / Radial : 1.2
                                                                                                                                        5     25    75    125   200   300              Coolant        Oil Mist
                                                                                                                          0                      Milling Length (m)                 Overhang(mm)      26
                                                                  Competitor A                                              5     25    75   125   200   300                           Machine
                                                                  (Total Milling Length : 100m)                                      Milling Length (m)                                               Machining Center




                           Carbide 4 Flute Center match Ball Nose End mill for Hardened Steel                                      TEST II     - Corner Radius



                350                                                    Cutting Condition (Side Cutting)                              80                                              4G Mills                  Total Milling Length : 174m
                       YG-1                                                   Tool       4Flute Ball Nose
                       Competitor A
                300                                                           Size       Ø10×Ø10×18×100                 100          70
                                                                                         JIS   : SKD11(HRc60)
                250                                                        Work Material  DIN : X155CrVMo12-1(1.2379)    90                                                     Peripheral teeth
                                                                                         AISI : D2                                   60                                       Competitor A                     Total Milling Length : 174m
                200                                                         Vc(m/min)    210.486                         80
                                                                          RPM (rev./min)  6,700                                      50
                150
                                                                          Feed(mm/min)   2,800                           70
                100                                                      Milling Depth(mm)   Axial : 0.2 / Radial : 0.5  60          40                                         Peripheral teeth
                                                                             Coolant     Oil Mist                                   Wear
                 50                                                                                                                                                           Cutting Condition (Down & Side Cutting)
                                                                          Overhang(mm)   32                            Wear  50      30                                                 Tool          4Flute, SEME0110005E
                  0                                                          Machine     Machining Center                40                                                             Size          Ø10(R0.5)×10×25×100
                   0            210          360          540                                                                        20                                              Work Material    KP4M (HRc35 / DIN 1.2738 Improved)
                                                                                                                                                                                      Vc(m/min)       51.522
                                                                                                                         30                                                         RPM (rev./min)    1,640
                                                                                                                                     10                                             Feed(mm/min)      180
                                                                                                                         20                                                      Feed per tooth(mm/tooth)  0.027
                                         X5070                                       Competitor A                                                                                  Milling Depth(mm)   Axial : 25 / Radial : 0.5
                                 (Total Milling Length : 540m)                       (Total Milling Length : 210m)       10           0  0     29      58      116    174              Coolant        Oil Mist
                                                                                                                                                  Milling Length (m)                Overhang(mm)      41
                                                                                                                         0                                                             Machine        Machining Center
                                                                                                                           5     25    75   125   200   300
               8        phone:+82-32-526-0909,  www.yg1.kr,  E-mail:yg1@yg1.kr                                                      Milling Length (m)                   phone:+82-32-526-0909,  www.yg1.kr,  E-mail:yg1@yg1.kr  9
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