Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 27

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Edge Specification of SUMIBORON Inserts ■ Edge Preparation Performance Machining of Hardened Steel Sintered Alloy Machining Good Good Emphasis on dimensional LEType tolerance/surface roughness LFType Burr Control Emphasis Sintered R Honing No R Honing Alloy LTType Breakage control at LEType No R Honing R Honing high speeds/high feed rates LSType LSType R Honing R Honing ESType Emphasis on dimensional R Honing Surface Roughness Emphasis Standard Sharpness of edge Sharpness of edge tolerance/burr control Standard No R Honing Burr control during R Honing interrupted cutting HSType Breakage control during HTType HSType R Honing Breakage Control Emphasis R Honing interrupted cutting Interruption Frequent Interruption Frequent Coated SUMIBORON Cutting Force Comparison（vc=100mm/min） Work Material: SCM415 Cutting Force Comparison (Feed Rate: f = 0.05mm/rev) Work Material: SMF4040 110 Cutting Conditions: 60 Cutting Conditions: BNC2020 BN7500 BN7000 100 vc=100m/min vc=200m/min 90 f =0.1mm/rev 50 f =0.05mm/rev 80 BNC2020 BNC2020 ap=0.1mm ap=0.2mm Dry 40 Dry Cutting Force (N) Cutting Force (N) 70 60 Insert: 30 Insert: 50 BNC2010 BNC2020 BNC300 DNGA150408 CNGA120408 40 20 30 20 10 10 Feed Force Feed Force Legend Legend 0 0 LE LT LS ES Standard HS LF LE LS Standard HS HS （landWithoutWithnegative honing） （ No Honing （）land With honing） Back Force Sharp Edge Without negative（S00715）（T01215） Back Force （T00515）（S00515） （S00535）（S01225）（S02735） （S00525）（S01225） Principal Force Principal Force Relationship between Edge Preparation and Machined Surface Quality Coated SUMIBORON Cutting Force Comparison（ c=200mm/min） Work Material: SCM415 110 Cutting Conditions: Insert: 3NU-TNGA 160408 (BN7500) 100 BNC2020 vc=200m/min Edge Specification: LF Type, Standard, HS Type 90 f =0.1mm/rev Work Material: SMF4040 90HRB 80 ap=0.1mm Cutting Conditions: vc=100, 200, 300m/min ø120mm BNC2020 BNC2020 ø60mm Dry f=0.1mm/rev Cutting Force (N) 70 60 ap=0.2mm Insert: Wet 50 BNC2010 BNC2020 BNC300 DNGA150408 40 30 20 Surface Roughness Good 10 Feed Force L Legend 0 Burr Small LE LT LS ES Standard HS Good Small SUMIBORON （landWithoutWithnegative honing） Back Force （T00515） （S00515） （S00535） （S01225） （S02735） Principal Force LF Uncoated SUMIBORON Cutting Force Comparison Work Material: SUJ2 200 Cutting Conditions: Surface Roughness BN2000 vc=200m/min 180 160 f =0.1mm/rev Burr ap=0.2mm Standard 140 Dry Cutting Force (N) 120 100 Insert: 80 CNGA120408 60 40 HS 20 Feed Force Legend 0 LT Standard HS Back Force vc =100m/min vc =200m/min vc =300m/min （T01215） （S01225） （S01235） Principal Force L27