Каталог Widia достижения 2020 - страница 160

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vvvjv vjvj vv vv vv jj WGC Grooving and Cut-Off • WGC Plunge feed rates v first choice P Steel K Cast Iron S High-Temp Alloys j alternate choice M Stainless Steel N Non-Ferrous H Hardened Materials Corner StartingSeatRadiusConditions Plunge Feed Rates mm/rev Chip Insert Size Control Description Geometry (SSC) mm mm 0,05 0,10 0,15 0,20 0,25 0,30 0,35 1F 0,2 0,06 2 0,2 0,08 3 0,20,4 0,090,11 4 0,40,8 0,120,15 Positive rake-PTangle for lowercutting forces.5 0,40,8 0,150,16 0,4 0,15 6 0,8 0,18 1,2 0,20 8 0,81,2 0,200,22 10 1,2 0,24 1F 0,2 0,06 2 0,2 0,08 3 0,20,4 0,090,11 Stable negative 4 0,40,8 0,120,15 cutting edge-PNallowing formore aggressive5 0,40,8 0,150,16 applications. 0,4 0,15 6 0,8 0,18 1,2 0,20 8 0,81,2 0,200,22 10 1,2 0,24 Cut-Off Feed Rates Seat StartingInsertSizeConditions Cut-Off Feed Rates mm/rev Geometry Description Geometry (SSC) mm 0,05 0,10 0,15 0,20 0,25 0,30 0,35 0,40 1B 0,06 2 0,07 Positive geom--Fetry for reducedcutting forces.3 0,0940,11 5 0,13 1B 0,06 2 0,07 Stable cutting 3 0,09 edge for-Maggressive feedrates. Primarily4 0,1150,14 in cast iron. 6 0,16 8 0,14 2 0,10 3 0,14 Most stable 4 0,16 -R cutting edge 5 0,19 for steel. 6 0,21 8 0,23 NOTE: For cut-off inserts with a lead angle, maximum feed rate should be reduced by up to 40%. Maximum Feed Rate Values I.D. and Face Grooving Material FeedData above is for P and K material groups. MaximumGroupFactorfeed rates should be adjusted by multiplying max feed rateM0.8values by following factors for shown material groups.N1.2For I.D. and face groovingapplications, reduce feedrate by 20%. S 0.8 H 0.5 widia.com 158 widia.com