Общий каталог Mitsubishi 2020 - 2021 - страница 1726

• C009A_CUTTING TOOLS
• INDEX
• A_TURNING INSERTS
• B_CBN & PCD TURNING INSERTS
• C_EXTERNAL TURNING TOOLS
• D_SMALL TOOLS
• E_BORING BARS
• F_GROOVING/CUTTING OFF
• G_THREADING
• H_HSK-T TOOLS
• I_SOLID CARBIDE END MILLS
• J_EXCHANGEABLE HEAD END MILLS
• K_ROTATING TOOL INSERTS
• L_INDEXABLE MILLING
• M_DRILLING
• N_SPARE PARTS
• P_TECHNICAL DATA

Large Flank Wear D.O.C (Same) Small Flank Wear Tool Life (min) D.O.C (Same) (inch)Flank Wear CuttingVerticalCutting Speed (SFM)Force (N)Temperature (C°) TECHNICAL DATA -10°RRakaekeAnAgnlgeRle1a5k6e°° Angle FUNCTION OF TOOL FEATURES FOR TURNING yRAKE ANGLE Rake angle is a cutting edge angle that has large effects on cutting resistance, chip disposal, cutting temperature and tool life. Tool Life Tool Life Standard : VB = .016 inch Standard Depth of Cut : .039 inch Feed = .013 IPR VB = .016 Positive Rake inch Angle (+) Positive Insert Cutting ResistanceDepth of Cut.079 inchVertical Force Feed .008 IPR Cutting Speed 330 SFM Rake Face Mean Depth of Cut .079 inch Temperature Feed .008 IPR Cutting Speed 330 SFM Negative RakeAngle Rake Angle (°) (- ) Cutting ConditionsCutting Speed (SFM)Work Material : Alloy steelGrade : P10 NegativeInsert Cutting Conditions Insert : 0-Var-5-5-20-20-0.5 mm Grade : P10 Dry Cutting Depth of Cut : .039 inch Feed : .013 IPR Effects of Rake Angle on Work Material : Alloy steel Cutting Speed, Vertical Force, Chip Disposal and Rake Angle Rake Angle and Tool Life and Cutting Temperature aEffects of Rake Angle When to Increase Rake Angle When to Increase Rake Angle 1.Increasing rake angle in the positive (+) direction in the Negative (-) Direction in the Positive (+) Direction improves sharpness. u Hard work material. u Soft work material. 2.Increasing rake angle by 1° in the positive (+) u When cutting edge strength is u Work material is easily machined. direction decreases cutting power by about 1%. required such as in u When work material or the 3.Increasing rake angle in the positive (+) direction interrupted cutting and uncut machine have poor rigidity. lowers cutting edge strength and in the negative surface cutting. (-) direction increases cutting resistance. yFLANK ANGLE Flank angle prevents friction between flank face and work material resulting in smooth feed. Rake Angle 6° Wear Depth Wear Depth vc = 655 Fracture vc = 330 Flank Angle $ vc = 165 Cutting Conditions Flank Angle ($) Small Flank Angle Large Flank Angle Work Material : Alloy steel (200HB) Insert : 0-6-$-$-20-20-0.5 mm Grade : P20 Feed : .013 IPR Flank angle creates a space between tool and work material. Depth of Cut : .039 inch Cutting Time : 20 min Flank angle relates to flank wear. Flank Angle and Flank Wear Relationship P aEffects of Flank Angle When to Decrease Flank Angle When to Increase Flank Angle 1.Increasing flank angle decreases flank wear u Hard work material. u Soft work material. occurrence. u When cutting edge strength u Work material suffer from 2.Increasing flank angle lowers cutting edge is required. work hardening easily. strength. P011