Indexable Milling Determining Cutting Data Selecting Tool Body, Insert, and Cutting Data 4. Choose the tool body: Choose diameter (D1) and pitch (Z) of tool body. NOTE: Make sure you select the correct shank style for your toolholder. For toolholders, visit widia.com. 5. Choose the inserts with the n Insert Selection Guide WIDIA™ insert selection guide: A Determine light machining, Light General HeavyMachiningPurposeMachining general purpose, or heavy MaterialGroup Geometry Grade Geometry Grade 5A Geometry Grade machining according to P1–P2 .E..LD WP40PM .S..GD WP40PM .S..HD WP40PM workpiece material. See the P3–P4 .E..LD WP25PM .S..GD WP35CM .S..HD WP35CM Material Overview at the end P5–P6 .E..LD WP25PM .S..GD WP35CM .S..HD WP35CM of the catalogue for material descriptions. P ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ B Select the grade given in theinsert selection guide. Use the HNGJ-GD HNPJ-HD HNGJ-HDsix digit order number to easily M ࠗ ⅷ ࠗ ⅷ ࠗ ⅷ ⅷⅷ first choiceࠗ alternate choiceKⅷࠗࠗࠗⅷࠗ5BN place your order. S ⅷ ⅷ ⅷ ⅷ ࠗ H ࠗ n HNGJ-GD cutting catalogue number edges D L10 S BS Rε hm HNGJ0905ANSNGD 12 16 8,58 5,56 1,80 1,20 0,10 6. Determine cutting data — with the WIDIA Recommended Recommended Starting Speeds [SFM] 6A Speeds and Feeds tables: MaterialGroup WP25PM WP35CM WS30PM WP40PM TN6501 THM-U A Choose the recommended 1 395 340 325 545 475 445 – – – 355 310 295 – – – – – – speed value according to the 6A 2 330 290 240 335 305 275 – – – 300 260 215 – – – – – – workpiece material and grade. P 3 305 260 210 305 275 245 – – – 275 235 6A190 – – – – – – 4 270 220 180 230 210 190 – – – 245 205 160 – – – – – – B Choose the recommended 5 220 205 180 310 275 250 – – – 205 185 160 – – – – – – starting feed rate according to 6 200 150 120 190 160 130 – – – 180 140 110 – – – – – – the insert geometry and % of 1 245 215 200 245 220 185 270 240 220 235 205 185 – – – – – – radial engagement ae. M 2 220 190 155 220 190 170 245 215 175 210 180 150 – – – – – – 3 170 145 115 175 155 140 185 160 125 155 140 110 – – – – – – Starting values are given in bold. 1 275 245 220 355 320 290 – – – – – – – – – – – – K 2 215 190 180 280 250 230 – – – – – – – – – – – – 3 180 160 145 235 210 190 – – – – – – – – – – – – n Recommended Starting Feeds [mm] Light General Heavy Machining Purpose Machining Programmed Feed per Tooth (fz) as a % of Radial Depth of Cut (ae) InsertGeometry 5% 10% 20% 6B 30% Insert40–100%Geometry .F..LDJ 0,17 0,32 0,65 0,13 0,23 0,47 0,09 0,17 0,35 0,08 0,15 0,31 0,08 0,14 0,28 .F..LDJ .E..LD 0,17 0,50 1,00 0,13 0,36 0,72 0,09 0,27 0,54 0,08 0,23 0,47 0,08 0,21 0,43 .E..LD 6B .S..GD 0,33 0,84 1,35 0,24 0,60 0,97 0,18 0,45 0,72 0,16 0,39 0,63 0,14 0,36 0,57 .S..GD .S..HD 0,33 0,84 1,35 0,24 0,60 0,97 0,18 0,45 0,72 0,16 0,39 0,63 0,14 0,36 0,57 .S..HD NOTE: Use “Light Machining” value as starting feed rate. 6B widia.com G5 TN65203119541 TN65253614650 TN65403037596 TN75353093721 WK15CM5427370 WP25PM— WS30PM5528974 WP35CM5895349 WP40PM5895350