Suggested Shop Applications |
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Cutting Angles for Turning Tools | |||||
Nomenclature for Single Point Cutting
Tools
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Material Machined |
A |
B |
C |
D |
E |
Back Rake Angle | Side Rake Angle | Side Cutting Edge Angle | End Cutting Edge Angle | Front & Side Clearance Angle | |
Steel: Soft
Steel: Medium Steel: Hard |
15 10 6-8 |
10-12 10 6 |
0-15 0-10 0-8 |
8-15 8-15 8-15 |
7 6 6 |
Stainless Steel: Soft
Stainless Steel: Medium Stainless Steel: Hard |
0-15 0-10 0 |
15 10 8 |
0-15 0-15 0-15 |
8-15 8-15 8-15 |
7 7 7 |
Cast Iron
Malleable Iron Cast Steel |
0 0-8 0-8 |
5 8-12 8 |
0-15 0-10 0-10 |
8-10 8-15 8-10 |
5-6 6 6 |
Aluminum
Brass Bronze |
10-20 4 4 |
12-15 4 4 |
0-15 0-15 0-15 |
8-10 8-10 8-10 |
7-10 5-6 5-6 |
Suggested Cutting Speeds for Screw Machine Work on Stainless Steel | |||||
Type Stainless Steel |
Brinell Hardness Range |
Roughing Cut |
Finishing Cut |
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Cutting Speed | Feed In/Rev. | Cutting Speed | Feed In/Rev. | ||
302
303 304 |
150-185 150-180 150-185 |
90-130 90-150 90-130 |
.005-.015 .005-.015 .005-.015 |
100-150 125-200 100-150 |
.003-.005 .003-.005 .003-.005 |
309
316 321 |
150-185 150-185 150-185 |
90-130 90-130 90-130 |
.005-.015 .005-.015 .005-.015 |
100-150 100-150 100-150 |
.003-.005 .003-.005 .003-.005 |
347
403 410 |
150-185 200-240 250-320 |
90-130 100-130 80-105 |
.005-.015 .005-.015 .005-.015 |
100-150 100-150 80-120 |
.003-.005 .003-.005 .003-.005 |
416
420 430 |
200-240 180-235 170-230 |
100-150 80-100 100-135 |
.005-.015 .005-.010 .005-.015 |
140-180 100-150 100-150 |
.003-.005 .003-.005 .003-.005 |
431
440 446 |
250-280 200-265 175-240 |
90-180 60-80 100-135 |
.005-.015 .005-.010 .005-.015 |
90-140 80-100 100-150 |
.003-.005 .003-.005 .003-.005 |
Cutting Fluid: Water soluble oils are
satisfactory. Non-corrosive sulphur oils
are recommended. For dry cutting reduce speed approximately 15% |
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