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Circle Polycrystalline Diamond (CPD) tipped inserts are recommended for use on non-ferrous
metals, non-metals, and composite materials. All these materials have common characteristics
of low tensile strength and high abrasive wear. Polycrystalline Diamnd (CPD) is
not recommended on ferrous materials, stainless steels, alloy steels, nickel alloys,
or similar tough materials since these type of materialls can induce reactions with
the Polycrystalline Diamond (CPD) that can cause failure of the cutting edge.
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Machining Conditions Using CPD Tipped Inserts on Carbide
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|
Circle
|
Inch
|
Metric
|
|
Insert
|
Depth of Cut
(Per Side)
|
Feed Rate
(IPR)
|
Depth of Cut
(Per Side)
|
Feed Rate
(MMPR)
|
|
ABD 09 |
0.0005"-0.002" |
0.002"-0.0005" |
0,013 - 0,051 |
0,051 - 0,013 |
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ABD 125 |
0.0005"-0.003" |
0.003"-0.0005" |
0,013 - 0,076 |
0,076 - 0,013 |
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ABD 156 |
0.001"-0.004" |
0.003"-0.0005" |
0,025 - 0,102 |
0,076 - 0,013 |
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ABC TYPE |
0.001"-0.007" |
0.005"-0.001" |
0,025 - 0,178 |
0,127 - 0,025 |
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CDCD-5 |
0.001"-0.007" |
0.005"-0.001" |
0,025 - 0,178 |
0,127 - 0,025 |
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TDAB-5 |
0.001"-0.005" |
0.003"-0.001" |
0,025 - 0,127 |
0,076 - 0,025 |
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TPCB-2 |
0.001"-0.015" |
0.009"-0.001" |
0,025 - 0,381 |
0,229 - 0,025 |
|
TD-6P |
0.001"-0.015" |
0.009"-0.001" |
0,025 - 0,381 |
0,229 - 0,025 |
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As Depth of Cut increases...Feed Rate ...decreases.
SFM = Surface Footage per Minute. / MPM = Meters Per Minute.
I.P.R. = Inches Per Revolution. / MMPR = Millimeters Per Revolution
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Machining Group Reference Chart for Aluminum Alloys |
|
MG# |
Material Description |
Hardness |
Grade Selection |
SFM |
MPM |
|
21 |
Wrought Iron |
140-300 BHN |
CPD |
3000 - Up |
914 - Up |
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22 |
Cast Aluminum |
225-363 BHN |
CPD |
1500-3000 |
457 - 914 |
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23 |
High Silicone Aluminum |
270-425 BHN |
CPD |
400-2000 |
121 - 609 |
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Darker areas are CIRCLE'S primary insert grade recommendations
and surface speeds for the material shown. Insert grades shown in the lighter areas,
reflect secondary choices. Machining speeds, feeds, and depth of cuts are considered
to be "safe" starting conditions |
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Machining Conditions Using CPD Tipped Inserts on Aluminum Alloys
|
|
Circle
|
Inch
|
Metric
|
|
Insert
|
Depth of Cut
(Per Side)
|
Feed Rate
(IPR)
|
Depth of Cut
(Per Side)
|
Feed Rate
(MMPR)
|
|
ABD 09
|
0.001"-0.015" |
0.002"-0.0005" |
0,025 - 0,381 |
0.051 - 0.013 |
|
ABD 125 |
0.001"-0.020" |
0.003"-0.0005" |
0,025 - 0,508 |
0.076 - 0.013 |
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ABD 156
|
0.001"-0.025" |
0.004"-0.001" |
0,025 - 0,635 |
0.102 - 0.025 |
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ABC TYPE
|
0.001"-0.030" |
0.007"-0.001" |
0,025 - 0,762 |
0.178 - 0.025 |
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CDCD-5 |
0.001"-0.030" |
0.007"-0.001" |
0,025 - 0,762 |
0.178 - 0.025 |
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TDAB-5 |
0.001"-0.025" |
0.007"-0.001" |
0,025 - 0,635 |
0.178 - 0.025 |
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TPCB-2 |
0.001"-0.080" |
0.015"-0.002" |
0,025 - 2,032 |
0.381 - 0.051 |
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TD-6P |
0.001"-0.080" |
0.015"-0.002" |
0,025 - 2,032 |
0.381 - 0.051 |
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As Depth of Cut increases...Feed Rate ...decreases.
SFM = Surface Footage per Minute. / MPM = Meters Per Minute.
I.P.R. = Inches Per Revolution. / MMPR = Millimeters Per Revolution
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Machining Group Reference Chart for Non Ferrous Free Machining |
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MG# |
Material Description |
Hardness |
Grade Selection |
SFM |
MPM |
|
24 |
Copper Alloy |
80-120 BHN |
CPD |
750-1500 |
228 - 457 |
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Bronze Alloy |
80-120 BHN |
CPD |
750-1500 |
228 - 457 |
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Zinc Alloy |
80-120 BHN |
CPD |
2000-Up |
609 - Up |
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Free Cutting Copper |
80-120 BHN |
CPD |
2000-Up |
609 - Up |
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Free Cutting Brass |
80-120 BHN |
CPD |
2000-Up |
609 - Up |
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Babbit |
80-120 BHN |
CPD |
2000-Up |
609 - Up |
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Darker areas are CIRCLE'S primary insert grade recommendations
and surface speeds for the material shown. Insert grades shown in the lighter areas,
reflect secondary choices. Machining speeds, feeds, and depth of cuts are considered
to be "safe" starting conditions |
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Machining Conditions Using CPD Tipped Inserts on Non Ferrous Free Machining MG#
24
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|
Circle
|
Inch
|
Metric
|
|
Insert
|
Depth of Cut
(Per Side)
|
Feed Rate
(IPR)
|
Depth of Cut
(Per Side)
|
Feed Rate
(MMPR)
|
|
ABD 09 |
0.001"-0.010" |
0.002"-0.0005" |
0,025 - 0,254 |
0,051 - 0,013 |
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ABD 125 |
0.001"-0.015" |
0.003"-0.0005" |
0,025 - 0,381 |
0,076 - 0,013 |
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ABD 156 |
0.001"-0.020" |
0.004"-0.001" |
0,025 - 0,508 |
0,102 - 0,025 |
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ABC TYPE |
0.001"-0.025" |
0.006"-0.001" |
0,025 - 0,635 |
0,152 - 0,025 |
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CDCD-5 |
0.001"-0.025" |
0.006"-0.001" |
0,025 - 0,635 |
0,152 - 0,025 |
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TDAB-5
|
0.001"-0.020" |
0.006"-0.001" |
0,025 - 0,508 |
0,152 - 0,025 |
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TPCB-2 |
0.001"-0.080" |
0.015"-0.001" |
0,025 - 2,032 |
0,381 - 0,025 |
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TD-6P |
0.001"-0.080" |
0.015"-0.001" |
0,025 - 2,032 |
0,381 - 0,025 |
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As Depth of Cut increases...Feed Rate ...decreases.
SFM = Surface Footage per Minute. / MPM = Meters Per Minute.
I.P.R. = Inches Per Revolution. / MMPR = Millimeters Per Revolution
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Machining Group Reference Chart for For Non Ferrous Free Machining |
|
MG# |
Material Description |
Hardness |
Grade Selection |
SFM |
MPM |
|
25 |
Nonmetallics |
|
CPD |
750-1000 |
228 - 304 |
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Acrylics |
|
CPD |
1000-1500 |
304 - 457 |
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Epoxy |
|
CPD |
1000-1500 |
304 - 457 |
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Fiberglasses |
|
CPD |
750-1000 |
228 - 304 |
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Graphites |
|
CPD |
750-1000 |
228 - 304 |
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Nylons |
|
CPD |
1000-1500 |
304 - 457 |
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Phenolics |
|
CPD |
1000-1500 |
304 - 457 |
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Plastics |
|
CPD |
1000-1500 |
304 - 457 |
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Darker areas are CIRCLE'S primary insert grade recommendations
and surface speeds for the material shown. Insert grades shown in the lighter areas,
reflect secondary choices. Machining speeds, feeds, and depth of cuts are considered
to be "safe" starting conditions |
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