Threading Solutions - Vargus
Threading Solutions - Vargus
Threading Solutions - Vargus
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Recommended Grades and Cutting Speeds Vc [ft/min]<br />
(Not including Mini & Micro)<br />
Vc[ft/min]<br />
Material<br />
Unalloyed steel<br />
Low carbon (C=0.1-0.25 %)<br />
Hardness<br />
Brinell<br />
HB<br />
125<br />
First choice<br />
VTX<br />
377-623<br />
VCB<br />
377-623<br />
Coated<br />
VM7<br />
VKX<br />
459-656<br />
Uncoated<br />
VK2 / VK2P<br />
Medium carbon (C=0.25-0.55 %)<br />
150<br />
328-574<br />
328-541<br />
394-590<br />
High carbon (C=0.55-0.85 %)<br />
170<br />
295-541<br />
295-508<br />
361-590<br />
<strong>Threading</strong><br />
Technical Data<br />
P<br />
Low alloy steel Non hardened<br />
(alloying elements 5%)<br />
Hardened<br />
Hardened<br />
High alloy steel Annealed<br />
(alloying elements > 5%)<br />
Hardened<br />
180<br />
275<br />
350<br />
200<br />
325<br />
279-476<br />
246-459<br />
230-443<br />
230-361<br />
164-328<br />
328-590<br />
246-459<br />
230-443<br />
262-394<br />
164-328<br />
328-508<br />
295-476<br />
262-443<br />
230-377<br />
164-328<br />
Cast steel<br />
Low alloy (alloying elements 5%)<br />
200<br />
225<br />
246-459<br />
197-394<br />
230-426<br />
197-394<br />
Stainless steel<br />
Feritic<br />
Non hardened<br />
Hardened<br />
200<br />
330<br />
230-426<br />
197-377<br />
230-426<br />
164-312<br />
230-492<br />
197-410<br />
230-394<br />
197-312<br />
Stainless steel<br />
Austenitic<br />
Austenitic<br />
Super austenitic<br />
180<br />
200<br />
295-459<br />
131-361<br />
262-394<br />
98-328<br />
295-525<br />
131-394<br />
230-328<br />
131-295<br />
M<br />
Stainless steel<br />
Cast feritic<br />
Stainless steel<br />
Cast austenitic<br />
Non hardened<br />
Hardened<br />
Austenitic<br />
Hardened<br />
200<br />
330<br />
200<br />
330<br />
295-394<br />
213-361<br />
279-361<br />
197-328<br />
328-394<br />
213-361<br />
279-361<br />
197-328<br />
295-492<br />
213-394<br />
279-394<br />
197-361<br />
262-361<br />
213-361<br />
279-328<br />
197-328<br />
High temperature<br />
alloys<br />
Annealed(Iron based)<br />
Aged (Iron based)<br />
200<br />
280<br />
148-197<br />
98-164<br />
148-197<br />
98-164<br />
98-164<br />
82-131<br />
Annealed(Nickel or Cobalt based)<br />
250<br />
66-98<br />
66-98<br />
66-98<br />
Aged<br />
(Nickel or Cobalt based)<br />
350<br />
49-82<br />
49-82<br />
49-82<br />
Titanium alloys<br />
Pure 99.5 Ti<br />
a+b alloys<br />
400Rm<br />
1050Rm<br />
495-558<br />
164-230<br />
459-558<br />
164-230<br />
197-328<br />
131-197<br />
Extra hard steel<br />
Malleable<br />
cast iron<br />
Hardened & tempered<br />
Ferritic (short chips)<br />
Pearlitic (long chips)<br />
55HRc<br />
130<br />
230<br />
148-197<br />
230-525<br />
197-476<br />
148-197<br />
230-394<br />
230-394<br />
148-197<br />
Grey cast iron<br />
Low tensile strength<br />
High tensile strength<br />
180<br />
260<br />
230-426<br />
197-377<br />
230-426<br />
197-328<br />
K<br />
Nodular SG iron<br />
Aluminium alloys<br />
Wrought<br />
Aluminium alloys<br />
Aluminium alloys<br />
Copper and<br />
copper alloys<br />
Feritic<br />
Pearlitic<br />
non aging<br />
Aged<br />
Cast<br />
Cast & aged<br />
Cast Si 13-22%<br />
Brass<br />
Bronze and non leaded copper<br />
160<br />
260<br />
60<br />
100<br />
75<br />
90<br />
130<br />
90<br />
100<br />
410-525<br />
295-394<br />
328-1197<br />
262-722<br />
656-1312<br />
656-918<br />
197-590<br />
262-738<br />
262-836<br />
410-525<br />
295-394<br />
328-820<br />
262-590<br />
656-1312<br />
656-918<br />
197-492<br />
262-689<br />
262-689<br />
328-787<br />
262-558<br />
262-656<br />
262-656<br />
328-820<br />
262-525<br />
262-394<br />
230-328<br />
164-394<br />
230-558<br />
230-558<br />
Calculation of N [RPM]<br />
N =<br />
V c =<br />
12 x Vc<br />
p x D<br />
N x p x D<br />
12<br />
N<br />
D<br />
Vc<br />
N - Revolution Per Minute [RPM]<br />
V c - Cutting Speed [ft/min]<br />
D - Workpiece Diameter [inch]<br />
126
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