Light-turning: GC1125 and GC1515

Cutting light to the fi nish

Green-light production

A fresh approach to light-turning The latest developments in carbide insert technology combine to give a solution dedicated to light-turning success. GC1125 and GC1515 have the sharper edges over longer tool life essential for problem-free, precision machining.

GC1515 brings high wear resistance and edge toughness in a unique steel solution. It has the latest thin CVD coating to achieve high component quality over short engagements. GC1125 uses its advanced PVD coating and super-sharp edges for burr-free production and lower feeds in stainless steels. It has the toughness needed for more intermittent cuts.

Both grades are the next step in meeting today’s higher precision demands at lower cutting forces. Together they are a giant leap forward in light-turning performance.

The new grades are a direct route to Green-light production: a sign of higher output, lower production costs and a profi table workshop.

Peace of mind from trouble-free machining and the knowledge that GC1515 and GC1125 will keep running, uninterrupted, for longer.

A smarter way of working:• Burr-free, quality components•Chip control•Predictable production•Lower costs•Fewer tool changes•More active machining

Green light production: When the machine is running at full capacity, making money and driving your business forward.

GC1125- a dedicated stainless steel solution•Latest PVD coating technology• Super-sharpness, high edge security combined

• Security for intermittent fi nishing cuts

• High quality edge reduces insert wear and burr formation

• First choice for low feed rates with optimum chip control in many materials

• A complement to GC1515 in low carbon steels

GC1515– a unique performance in steel

applications• Innovative CVD coating • Edge sharpness and toughness similar to PVD

• Wear resistance keeps edges intact to retain tight component tolerances

• Adds wear resistance for less demanding cuts in stainless steel

The ability to cut with acceptable chip control at low feed rates and depths of cut is determined by insert edge-sharpness. A dull edge may cause burr formation or components out of tolerance.

The lowest feed rates demand sharpness, which is why ground inserts, in G- or E- tolerance are the fi rst choice. E- tolerance inserts, available in GC1125, have not only the closest tolerance for correct centre height, but also the sharpest edges.

Material Austenitic stainless steel, CMC 05.21

Low alloy steel, CMC 02.1

Grade GC1125 GC1515

Insert CNMG 12 04 08-MF CNMG 12 04 08-PF

vc m/min 175 220

ap mm 1,0 0,6

fn mm/rev 0,2 0,15

Material Austenitic stainless steel, CMC 05.21

Low alloy steel, CMC 02.2

Grade GC1125 GC1515

Insert DCMT 11T308-MM DCMT 11T308-PM

vc m/min 150 170

ap mm 0,8 1,0

fn, mm/rev 0,15 0,17

Longitudinal turning and facingShort engagements

Longitudinal turning with copyingShort engagements

3.0

2.0

0.1 0.2

Depth of cut (mm)

Feed rate (mm/r)

0.3

1.0 Diagram valid for D-style inserts with 04-nose radius

Always a fi rst choice within the application

GC1125First choice for stainless steelSuper-sharp, secure edges

Complement to GC1515 in low carbon steel

GC1515First choice for steelHigh wear resistanceRegular cuts in stainless steel

GC1125

Real-life effi ciency

133% more p

arts!

GC1125 improves productivity through increased security, completing twice as many parts as the nearest competitor grade.

Component: FittingOperation: External turning, profi le

roughing/semi-roughing

Material: 12Cr18N10T CMC 05.21 (austenitic stainless steel)

Insert style: CNMG 120408-MM

vc m/min: 60/100

ap mm: 2.5-3

fn mm/r: 0.2/0.25

Time per pass, min: 1.6

Coolant: Emulsion

GC1125: 7 pcs Competitor: 3 pcs Stopped due to insert breakage

GC1515In external face fi nishing, GC1515 improves productivity by maintaining a high tolerance component surface for longer.

Component: Gear wheelOperation: External turning,

face fi nishingMaterial: DIN 16MnCrS5 CMC 02.1

(low alloy steel)Insert style: CNMG 120408-PFvc m/min: 350ap mm: 1.5 fn mm/r: 0.1Time per pass, min: 0.03Coolant: None

GC1515: 500 pcs Competitor: 250 pcs

61 mm

ø164 mm ø140 mm ø155 mm

123

100% more p

arts!

ø 120 mm

Head office: AB Sandvik CoromantSE-811 81 Sandviken, Swedenwww.coromant.sandvik.comE-mail: info.coromant@sandvik.com

C-1040:082 ENG/01 Printed on recycleable paper. Printed in Sweden, AB Sandvikens Tryckeri. © AB Sandvik Coromant 2008.06