Kyocera - Основной каталог 2010-2011 ENG

                                                                                   для заказа - kyocera@kyocera-tools.ru

                Technical Information

                           Troubleshooting                          Cutting Conditions                                      Tool geometry                                 Installation
                                                                                                   Coolant
                                   Countermeasures

                Tools                               Higher (Larger) 
                                                         VcLower (Smaller) 
                                                                 fz
                                                                          ap

                                                                                  reduce ae (cutting width)
                                                                                          change tool path
                                                                                                  Down cut
                                                                                                          Wet
                                                                                                                  Dry
                                                                                                                            Relief Angle
                                                                                                                                        Rake Angle
                                                                                                                                                     Helix Angle
                                                                                                                                                                 Number of Flutes

                                                                                                                                                                           Change to short type (edge length)
                                                                                                                                                                                    Change to roughing end mill *2
                                                                                                                                                                                            Change to radius type
                                                                                                                                                                                                    Change to sharp edge type
                                                                                                                                                                                                            Change to tool with corner land

                                                                                                                                                                                                                    Work material installation method
                                                                                                                                                                                                                            Adjustment for overhang length of tools

                                                                                                                                                                                                                                    Insert Runout Check
                           Trouble                                                                                    Larger  Larger  Larger  More 
                                                                                                                      Smaller  Smaller  Smaller  Less 

                           Wear lncrease                                                                                
                           Chipping                            *1                                                     

                                                               

                           Burning                                                                                 

                           Breakage                            
                           Chattering
                           Poor surface nish                                                                            
                                                               *1                                                           

                                                    

                           Burr generation                                                                              

L Inclination of slotMachining                                                                                                       
                                                                                                                       
                    Poor atness /
                    parallelism

                           Poor dimensional preci-             
                           sion

Solid End Mill             Poor cutting quality     

                           Chip biting / clogging                                                                         

                *1) The lower feed rate may be suitable
                *2) When roughing was done with an insert without wave prole peripheral cutting edge.

                           Case Studies

                                    9SMnPb28 (SUM24L)                                                                       20Cr4 (SCr420)

                • OA Parts                                                   Machined portion                            • Automotive Parts                 Machined portion (enlarging semicircular hole)
                • Vc = 88m/min (n=3,500min-1)                                                                          • Vc = 40m/min (n=3,200min-1)
                • ap=0.5mm                                                                                             • ap=0.1mm
                • fz=0.23mm/t (Vf=3200 mm/min)                                                                         • fz=0.01mm/t (Vf=70 mm/min)
                • Wet                                                                                                    • Wet
                • 4FESM080-190-08                                                                                        • 2FESM040-110-06

                           MEGACOAT                                 230pcs/edge                                             MEGACOAT                        700pcs /edge

                Competitor Coating E                                   100pcs/edge                                       Competitor Coating F               350pcs/edge

                • In addition to that Kyocera processed 2.3 times more workpices than Competitor E,                      • Kyocera processed twice as many workpieces compared to Competitor F.
                 there was no edge fracturing and the cutting surface was finished finely.                               • Competitor F is limited to 350 workpieces due to excessive wear. Kyocera

                                                                                                                          prevented chipping thereby enabling long-life and stabilized machining.

                                         MEGACOAT                                          Competitor Coating E                  MEGACOAT                    Competitor Coating F
                                    (Tool life: 230 pcs/edge)                              (Tool life: 100 pcsedge)        (Tool life: 700 pcs/edge)        (Tool life: 350 pcs/edge)

                                                                                          (Evaluation by the user)                                          (Evaluation by the user)

L48                                                                                            kyocera@kyocera-tools.ru
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