VCGT-AK – INNOT insert

VCGT-AK

Ground 35° positive rhombic insert (VCGT) for turning aluminium, with AK chipbreaker and INNOT uncoated carbide grades.

ISO N
Finishing
Uncoated
★ ITK10

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Technical data sheet PDFCutting data, sizes and grades

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INNOT grades

CVD, PVD and cermet for ISO P, M, K, S

Standard ISO designation

Compatible with the insert holders you use

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Description

ISO specifications

ISO RADIUS (RE) AVAILABLE GRADES CHIPBREAKER
VCGT1103 0.2 – 0.4 ITK10 – ITK20 AK
VCGT1604 0.2 – 0.4 – 0.8 ITK10 – ITK20 AK

AK chipbreaker data sheet

Operation Finishing
ISO material N (aluminium alloys and non-ferrous metals)
Tolerance G (ground insert)
Features Chipbreaker for machining aluminium alloys. The large top and bottom rake angle makes the cutting edge sharper: cutting is faster and lighter, with effective chip breaking. Tolerance G (ground insert) for greater accuracy. 7° positive insert (shape V, 35° rhombic) with screw clamping: the slimmest tip in the range, for copy turning and profiling of grooves and radii. SVQC (107.5°) and SVUC (93°) type toolholders.

Available INNOT grades

Grade ISO Coating Composition Application
ITK10 ★ N Uncoated Fine-grain carbide First-choice grade for turning aluminium alloys. Uncoated carbide with a fine, uniform grain matrix: high transverse rupture strength and good wear resistance.
ITK20 N Uncoated Carbide Universal grade for turning aluminium alloys. Uncoated carbide with excellent wear resistance, better chipping resistance, great versatility and reliability.

★ Recommended grade for this chipbreaker. Uncoated carbide, with a sharp cutting edge for gummy materials. ISO N = aluminium and non-ferrous metals.

Recommended cutting data

Printable cutting data tableAll the data on this page in an INNOT PDF to keep in the shop.Download PDF
External turning of aluminium (ISO N) – AK chipbreaker
Material Condition Vc (m/min) by grade fn (mm/rev) ap (mm)
Aluminium alloys and non-ferrous metals Stable ITK10: 300 – 700
ITK20: 300 – 700		 0.10 – 0.30 0.50 – 3.00
Aluminium alloys and non-ferrous metals Average ITK10: 300 – 700
ITK20: 300 – 700		 0.10 – 0.25 0.50 – 3.00
Aluminium alloys and non-ferrous metals Difficult ITK10: 300 – 700
ITK20: 300 – 700		 0.10 – 0.20 0.50 – 3.00

Guide values for the AK chipbreaker (positive inserts), given only for the grades available in this product.

Internal turning / boring (ISO N)
Material Operation Cut RE Vc (m/min)
min – recomm. – max		 ap (mm)
min – recomm. – max		 fn (mm/rev)
min – recomm. – max
Copper, copper alloys,
aluminium (Si < 10%)
≤ 100 HB		 High-speed finishing (bright surface) Continuous 0.4 – 0.8 200 – 400 – 1000 0.05 – 0.1 – 0.3 0.05 – 0.1 – 0.15
Finishing Continuous 0.4 – 0.8 100 – 200 – 400 0.05 – 0.5 – 1.0 0.03 – 0.1 – 0.2
Interrupted 100 – 200 – 400 0.05 – 0.5 – 1.0 0.03 – 0.1 – 0.2

Recommended grades: ITK10 – ITK20. Guide values for positive inserts, machining diameter over Ø10 mm. ap = radial depth of cut.

Depth of cut and insert size. The AK chipbreaker range goes up to ap 3 mm. The 35° shape has the slimmest tip in the range: with VCGT11 (11 mm cutting edge) keep the depth of cut within about 1/4 of the edge, i.e. about 2.5 mm. With VCGT16 (16.5 mm cutting edge) the full range can be used.