8/8/2019 Orvar Supreme Eng-02

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ORVARSUPREME

8

Milling with carbide

Cutt ing dataparameters Rough milling Fine milling

Cutting speed (vc)m/min 180260 260300f.p.m. 590850 850985

Feed (fz)mm/tooth 0,20,4 0,10,2inch/tooth 0,0080,016 0,0040,008

Depth of cut (ap)

mm 25 2inch 0,080,20 0,08

Carbide designationISO P20P40 P10P20

Coated Coatedcarbide carbide or

cermet

Type of end mil l

CarbideCutting data Solid indexable Highparameters carbide insert speed steel

Cuttingspeed (vc)

m/min 160200 170230 35401)

f.p.m. 525660 560755 1151301)

Feed (fz)mm/tooth 0,030,202) 0,080,202) 0,050,352)

i nch/ tooth 0,0010,0082)

0,0030,0082)

0,0020,0142)

Carbidedesignation

ISO P20, P30

1) For coated HSS end mill vc5560 m/min. (180195 f.p.m.).2) Depending on radial depth of cut and cutter diameter.

Turning with Turningcarbide with high

speed steel

Cutting data Rough Fine Fineparameters turning turning turning

Cutting speed (vc)

m/min 200250 250300 2530f.p.m. 660820 820985 82100

Feed (f)mm/r 0,20,4 0,050,2 0,050,3

i.p.r. 0,0080,016 0,0020,008 0,0020,012Depth of cut (a

p)

mm 24 0,52 0,52inch 0,080,16 0,020,08 0,020,08

Carbidedesignation ISO P20P30 P10

Coated Coatedcarbide carbide

or cermet

MILLING

Face milling and square shoulder face milling

End milling

GRINDING

A general grinding wheel recommendation is given

below. More information can be found in the

Uddeholm brochure Grinding of Tool Steel andcan also be obtained from the grinding wheel

manufacturer.

Wheel recommendation

Soft annealed HardenedType of grinding condition condition

Face grindingstraight wheel A 46 HV A 46 HV

Face grindingsegments A 24 GV A 36 GV

Cylindrical grinding A 46 LV A 60 KV

Internal grinding A 46 JV A 60 IV

Profile grinding A 100 LV A 120 KV

DRILLING

Dril l diameter Cutt ing speed, vc Feed, f

mm inch m/min f.p.m. mm/r i.p.r.

5 3/16 1618* 5259* 0,050,15 0,0020,006

510 3/163/8 1618* 5259* 0,150,20 0,0060,008

1015 3/85/8 1618* 5259* 0,200,25 0,0080,010

1520 5/83/4 1618* 5259* 0,250,35 0,0100,014

* For coated HSS drill vc2830 m/min. (9298 f.p.m.).

High speed steel tw ist drill

Type of dril l

Cutting data Indexable Solid Brazedparameters insert carbide carbide1)

Cuttingspeed (vc)

m/min 220240 130160 80110f.p.m. 720785 425525 260360

Feed (f)mm/r 0,030,102) 0,100,252) 0,150,252)

i.p.r. 0,0010,0042) 0,0040,0102) 0,0060,0102)

1)Drill with internal cooling channels and brazed carbide tip.2)Depending on drill diameter.

MachiningrecommendationsThe cutting data below are to be considered as

guiding values, which must be adapted to existing

local condit ions.

TURNING

Carbide dril l