Milling Insert Grades

Size: px

Start display at page:

Download "Milling Insert Grades"

Deborah Bradford
6 years ago
Views:

1 Side illing Cutter for Cast iron Thread illing Cutters for Aluminum Cutters for old Face illing Cutter illing Inserts illing Grades illing illing Insert Grades Coated carbide Cermet cbn / CD Cemented carbide Application range CVD N S H N10 N20 N30 S01 S10 S20 H10 H20 NC325 C3525 ST20 C3535 C3545 1) : 2) : Stainless steel U10 VD 1) : 2) : Stainless steel 3) : Cast iron 4) N : Nonferrous metal 5) S : Heat resistant steel 6) H : Hardened steel H05 U20 H10 ST30N U40 G10 ST40 NC325 C9530 C3545 C205 C6510 C215 D2000 DA150 ND2000 H1 B360 C8520 B350 E02

CVD Coated Grades Due to the special crystalline structure, superior wear resistance and toughness have been acquired. It is good for general purpose.

2 CVD Coated Grades Due to the special crystalline structure, superior wear resistance and toughness have been acquired. It is good for general purpose. & Stainless steel Grade NC325 Recommended cutting speed(m/min) 250 (150~300) 200 (150~250) Improved coating adhesion strength (Welding resistance) Thermal resistance and tough fine grain A 2O3 layer (Welding resistance) (Crater wear resistance) Extremely tough and excellent wear resistant thick TiCN layer (Flank wear resistance) (Crater wear resistance) Special carbide substrate NC325 Cross sectional view of CVD coated film Application range The features of CVD coated grades CVD coated grades Features NC325 Wear resistance Impact resistance 20 ~ ~ ~ ~ 40 For high speed milling of steel and stainless steel. Optimized grade for steel & stainless steel by employing proper substrate. (optimal hardness & toughness combination) and hard coating. TTiCN + A 2O3 + TiN For interrupted and rough milling of steel and stainless steel. The toughest substrate with hard coating provides stable tool life even in severe interrupted cutting. TTiCN + A 2O3 + TiN Comp. A : coating : SC440(HB280) 2. Designation : SXN1203EDR 3. vc = 188m/min fz = 0.20mm/t Comp. B : coating 40 Uncoated 30 Interrupted wear resistance for difficulttocut material illing illing Grades illing Inserts Face illing Cutter Cutters for old Cutters for Aluminum Thread illing 1. : SC440(HB280) 2. Designation : SXN1203EDR 3. vc = 125m/min fz = 0.36mm/t 1. : STS Designation : SXN1203EDR 3. vc = 126m/min fz = 0.36mm/t for Cast iron Side illing Cutter E03

Side illing Cutter for Cast iron Thread illing Cutters for Aluminum Cutters for old Face illing Cutter illing Inserts illing Grades illing VD coated Grades New TiAlN enhances wear resistance and

3 Side illing Cutter for Cast iron Thread illing Cutters for Aluminum Cutters for old Face illing Cutter illing Inserts illing Grades illing VD coated Grades New TiAlN enhances wear resistance and toughness than conventional TiAlN. It can be used in dryness, high speed cutting. Stainless steel Cast iron achining types C3525 C3535 C230 C3545 C8520 C9530 C3545 C6510 C215 The features of main VD coated grades VD coated grades C3525 C3535 C3545 C8520 C6510 C215 C9530 Continuous cutting Interrupted cutting Continuous cutting Interrupted cutting Continuous cutting Interrupted cutting 15 ~ ~ ~ 50 S20 ~ S30 01 ~ ~ ~ (150~250) 120 (100~150) 120 (100~150) 130 (50~200) 120 (100~150) 200 (150~250) 165 (120~210) 1) Developed wear resistance Developed adhesion force between substrate and coating 2) Developed toughness Combination of tough and heat resistant substrate and VD coating have good tool life in heavy interruption. Grade Recommended cutting speed(m/min) Application range Features C3525 C8520 Cross sectional view of VD coated film C3535 C9530 C6510 It is harder grade than C3535. Due to excellent wear resistance and crater resistance. It can be used in high speed. New TiAlN. illing grade for steel. First recommended grade for general purpose, because the substrate has good wear resistance and toughness with good heat resistant coating. edium and rough milling for steel. Enhanced chipping resistant substrate. Gold coating. For medium and rough milling for difficulttocut materials and stainless steels. Enhanced chipping resistant substrate. Gold coating. High speed milling grade for cast iron and aluminum. Gold coating. illing grade for cast iron and aluminum in medium to low cutting speed. TiAlN. illing grade for cast iron and aluminum in medium to low cutting speed. The toughest submicron substrate provides excellent cutting performance at high feed. TiAlN. C3545 C215 E04

4 Cutting performance (C3525) Wear resistance(sd11) vc= 250m/min fz = 0.2mm/t ap= 2.0mm Limit feed rate(sc4403) vc = 125m/min fz = variable ap= 2.0mm Stainless steel (C9530) Wear resistance(sts304) Designation : SCN1203EDTRS20 vc= 200m/min fz = 0.2mm/t ap= 2.0mm Wear resistance(sts316) Designation : SECN1203AFTNS20 vc = 151m/min fz = 0.167mm/t illing Cast iron (C6510) Equipment and features rocess Arc voltage () lasma Uncoated inserts Wear resistance(gc25) Designation : SCN1203EDERRH vc= 300m/min fz = 0.2mm/t Oxidation starting temperature Hardness & Cutting performance Wear resistance(gcd60) Designation : SCN1203EDERRH vc = 150m/min fz =0.2mm/t ap =2.0mm illing Grades illing Inserts Face illing Cutter Cutters for old Cutters for Aluminum Thread illing ump () Bias voltage Gas(N, Ar...) for Cast iron Side illing Cutter E05

achining types Grade Recommended cutting speed(m/min) Application range icrostructure of Cermet Continuous cutting Interrupted cutting 180 (130 ~ 230) 150 (100 ~ 200) 01 10 20 Side illing Cutter for

5 Cermet Grades orloy cermet is a kind of carbonitride type cermet which has ultra fine micro structure by adding TiN,TiCN powders as additives. It has superior quality than conventional cermet when it comes wear resistance and thermal shock resistance as well as toughness. achining types Grade Recommended cutting speed(m/min) Application range icrostructure of Cermet Continuous cutting Interrupted cutting 180 (130 ~ 230) 150 (100 ~ 200) Side illing Cutter for Cast iron Thread illing Cutters for Aluminum Cutters for old Face illing Cutter illing Inserts illing Grades illing The features of main cermet grades Cermet Grade 10 ~ ~ 30 The physical properties of grades Wear resistance Features Turning and milling for steel. For general purpose cermet with wear resistance and toughness. illing for steel. The toughest cermet with chipping resistance. Grade Hardness TRS SG Impact resistance 7.0~ ~8.0 vc : 190m/min fz : 0.2mm/t ap : 2.0mm SDCN42T AD4160R SC440(HB270) vc : 130m/min fz : 0.3mm/t ap : 3.0mm SDCN42T AD4160R SC440(HB270) E06

Cemented Carbide Grades Due to the advanced sintering technology that korloy use, korloy uncoated carbide grades have fine alloy structure which is necessary to get superior quality as a cutting tool.

Due to the special design of carbides, it has fine micro structure and low affinity with workpiece. It has excellent toughness and low cutting load.

6 Cemented Carbide Grades Due to the advanced sintering technology that korloy use, korloy uncoated carbide grades have fine alloy structure which is necessary to get superior quality as a cutting tool. Advantages Consist of,, carbide grades and can be used in all kinds of workpiece. Excellent quality at machining with coolant, due to the great thermal crack resistance of carbide. Due to the special design of carbides, it has fine micro structure and low affinity with workpiece. It has excellent toughness and low cutting load. Grade Recommended cutting speed(m/min) Application range Cast iron Aluminum alloy Copper alloys, H05 H10, G (70 ~ 180) 150 (100 ~ 200) 140 (90 ~ 190) 500 (300 ~ 800) 200 (150 ~ 300) H05 G10 illing ain composition and application range Composition Features The physical properties of grades Grade ST05 ST10 ST20 U10 U20 U40 H02 G10 Hardness (HRA) Gpa = 102kg/m 2, 1w/m k = cal/cm sec Wear resistance WCTiCTaCCo WCTiCTaCCo WCCo Excellent thermal shock resistance and plastic deformation resistance. General grades with thermal shock resistance and hardness. High hardness and superior wear resistance. TRS (kgf/mm 2 ) fz : 0.2mm/t ap : 2.0mm SCN1203EDR E4160R 42Cro4(HB280) Young s modulus (10 3 kgf/mm 2 ) Impact resistance Carbon steel, Alloy steel, Stainless steel. Carbon steel, Alloy steel, Stainless steel, Cast steel. Cast iron, Nonferrous metal, Non metal. Thermal expansion coefficient(10 6 / ) Thermal conductivity (cal/cm sec ) vc : 125m/min fz : 0.25~45mm/t ap : 2.0mm SCN1203EDR E4160R 42Cro4(HB280) illing Grades illing Inserts Face illing Cutter Cutters for old Cutters for Aluminum Thread illing for Cast iron Side illing Cutter E07

7 illing Insert Code System() Insert Shape 4 Cross Section Type Side illing Cutter for Cast iron Thread illing Cutters for Aluminum Cutters for old Face illing Cutter illing Inserts illing Grades illing 2 Relief Angle 3 Tolerance ap : Inscribed Circle t : Thickness m : refer to figure (mm) Class A C H E G J L U C D H L R S T V W A B C D E F G N d m t Tolerance on C,H,R,T,W class (exceptional case) Tolerance on d d Tolerance on m J,,L,,N U 0.25 Tolerance on D class (exceptional case),n U d Tolerance on d Tolerance on m O A G N Cutting Edge Length, Diameter of Inscribed circle etric system Inch system Use 1/32 unit for a insert having smaller I.C under 1/4 Use 1/8 unit for a insert having larger I.C over 1/4 In case of rectangular and rhombic insert indicate cutting edge lenght instead of inscribed circle. Cross over chart for etric and Inch system Inscribed circle Inch system C Sink B C Sink C C Sink C Sink H J C Sink Q C Sink C Sink U W X /32 7/32 1/4 3/8 1/2 5/8 3/ (8) R Special type F C Sink T E08

Cutting Tool Materials and Cutting Fluids. Dr. Mohammad Abuhaiba

Cutting Tool Materials and Cutting Fluids HomeWork #2 22.37 obtain data on the thermal properties of various commonly used cutting fluids. Identify those which are basically effective coolants and those