1 - Komet Scandinavia AB
1 - Komet Scandinavia AB
1 - Komet Scandinavia AB
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JEL® Roll form taps<br />
Technical notes<br />
1<br />
2<br />
Material group<br />
Guideline values for thread forming Cutting speed Coolant<br />
1.1<br />
Strength Rm (N/mm²)<br />
m400<br />
Hardness HB<br />
m120<br />
Material<br />
magnetic soft iron<br />
Cutting material<br />
HSS-E<br />
HSS-E with carbide strips<br />
Solid carbide<br />
Surface uncoated coated uncoated coated<br />
v c v c v c v c<br />
m/min m/min m/min m/min<br />
30 - 40 30 - 50 30 - 80<br />
Emulsion<br />
Oil<br />
Dry<br />
Air<br />
1.2<br />
m700<br />
m200<br />
structural, case hardened steel<br />
25 - 35 30 - 50 30 - 80<br />
P<br />
1.3<br />
m850<br />
m250<br />
carbon steel<br />
20 - 30 30 - 50 30 - 80<br />
3<br />
1.6 1.5 1.4<br />
m850 m250<br />
>850<br />
m1200 m350<br />
>250<br />
>1200 >350<br />
alloy steel<br />
alloy/heat treated steel<br />
alloy/heat treated steel<br />
20 - 25 20 - 30 20 - 50<br />
20 - 30 20 - 50<br />
1.7<br />
m1400 m400<br />
hardened steel to 45 HRC<br />
H<br />
1.8<br />
m2200 m600<br />
hardened steel to 58 HRC<br />
4<br />
5<br />
6<br />
2.1<br />
M<br />
2.2<br />
2.3<br />
3.1<br />
3.2<br />
3.3<br />
K<br />
3.4<br />
S<br />
3.5<br />
3.6<br />
3.7<br />
4.1<br />
4.2<br />
4.3<br />
5.1<br />
5.2<br />
5.3<br />
6.1<br />
6.2<br />
6.3<br />
m850<br />
m850<br />
m250<br />
m250<br />
m1000 m300<br />
m500<br />
m150<br />
>500<br />
m1000 m300<br />
>150<br />
400- 200-<br />
500 250<br />
m700<br />
m200<br />
>700<br />
m1000 m300<br />
>200<br />
m700<br />
m700<br />
m900<br />
m500<br />
m200<br />
m200<br />
m270<br />
m150<br />
m900 900 >270<br />
m1200 m350<br />
m350<br />
m700<br />
m700<br />
m100<br />
m200<br />
m200<br />
stainless steel, sulphuretted<br />
austentic<br />
ferritic, ferritic & austentic,<br />
martensitic<br />
grey cast iron<br />
grey cast iron, heat treated<br />
vermicular cast iron<br />
spheroidal graphite cast iron<br />
spheroidal graphite cast iron,<br />
heat treated<br />
malleable iron<br />
>700<br />
200 malleable iron heat treated<br />
pure titanium<br />
titanium alloys<br />
>900<br />
m1250 m300<br />
>270 titanium alloys<br />
pure nickel<br />
nickel alloys, heat resistant<br />
nickel alloys,<br />
high heat resistance<br />
non-alloy copper<br />
short chip, brass, bronze,<br />
red brass<br />
long chip brass<br />
20 - 40 20 - 50<br />
20 - 30 20 - 40<br />
20 - 30 20 - 40<br />
20 - 40 20 - 60<br />
20 - 30 20 - 40<br />
10 - 15 20 - 30<br />
8 - 12 20 - 25<br />
5 - 10 10 - 15<br />
10 - 15 15 - 20 10 - 30<br />
5 - 10 10 - 15 10 - 20<br />
5 - 10<br />
20 - 30 20 - 50 20 - 60 20 - 80<br />
20 - 30 20 - 50 20 - 60 20 - 80<br />
6.4<br />
m500<br />
m470<br />
Cu-Al-Fe alloy (Ampco)<br />
N<br />
7.4 7.3 7.2 7.1<br />
m350<br />
m600<br />
m600<br />
m600<br />
m100<br />
m180<br />
m180<br />
m180<br />
Al, Mg non-alloy<br />
Al wrought alloy, breaking strain<br />
(A 5)
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