National Diamond Laboratory
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Related Information:
WHAT IS POLYCRYSTALLINE? | POLYCRYSTALLINE MAKES A POINT | PCD APPLICATIONS GUIDELINES | 
PCD OPERATING INSTRUCTIONS | PCD RECOMMENDED PARAMETERS | CBN SPECIFICATIONS AND APPLICATIONS 
CBN OPERATING INSTRUCTIONS  | CBN APPLICATIION CHART | CBN PARAMETERS FOR MACHINING 
PCD/CBN RECOMMENDED SPEEDS & FEEDS  

Recommended Starting Parameters for Machining with "PCD"
WORKPIECE
MATERIAL
NOSE RADIUS
inch (mm)
SIDE
RELIEF
DEGREES
POSITIVE
BACK RAKE
ANGLE DEGREES
DPEED
sfm
(M/mm)
DEPTH
OF CUT
inch (mm)
FEED RATE
ipr
(mm/rev)
Aluminum alloys
0.006"- 0.040"
(0.15-1.02mm)
5-10
0-10
3000 - 5000
(914-1524)
0.005"- 0.020"
(0.13-0.51mm)
0.002"- 0.008"
(0.051-0.20mm)
Copper alloys
(including bronze)
0.010"- 0.040"
(0.25-1.02mm)
5-30
10-20
1500-3500
(457-1067)
0.005"- 0.020"
(0.13-0.51mm)
0.001"- 0.006"
(0.025-0.15mm)
Sintered cemented
tungsten carbide
0.040"- 0.250"
(1.02-6.00mm)
5-12
0-6
30-50
(10-15)
0.0005"- 0.005"
(0.025-0.076mm)
0.004"- 0.006"
(0.10-0.15mm)
Glass fiber/plastic
composites
0.030"- 0.090"
(0.76-2.29mm)
5-20
0-5
400-3600
(122-1097)
0.001"- 0.003"
(0.025-0.076mm)
0.001"- 0.010"
(0.025-0.25mm)
Carbon/plastic
composites
0.020"- 0.040"
(0.51-1.02mm)
5-20
0-5
500-2000
(152-610)
0.010"- 0.100"
(0.25-2.54mm)
0.005"- 0.015"
(0.13-0.38mm)
High-alumina
ceramics
0.010"- 0.040"
(0.25-1.02mm)
5-20
0-5
1200-2400
(365-730)
0.0005"- 0.005"
(0.013-0.13mm)
0.001"- 0.004"
(0.025-0.102mm)

ALUMINUM ALLOY
MATERIALS
SILICON CONTENT(%)
SPPEEDS & FEEDS
SAND CAST
SPEEDS & FEEDS
DIE CAST
355
308
319
356
357
328
4.5 -- 5.5
5.0 -- 6.0
5.5 -- 6.5
6.5 -- 7.5
6.5 -- 7.5
7.5 --8.5
4000 sfm
(1219 M/min)

.010 ipr
(.25 mm/rev)
6000 sfm
(1828 M/min)

.020 ipr
(.50 mm/rev)
380
333
332
360
384
7.5 -- 9.5
8.0 -- 10.0
8.5 -- 10.5
9.0 -- 10.0
10.5 -- 12.0
3000 sfm
(914 M/min)
.005 ipr
(.13 mm/rev)
5000 sfm
(1524 M/min)
.015 ipr
(.38 mm/rev)
390 AND
HIGH SILICON
16.0 -- 18.0
1000 sfm
(305 M/min)
.002 ipr
(.05 mm/rev)
3000 sfm
(914 M/min)
.010 ipr
(.25 mm/rev)


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