Polycrystalline diamond (PCD)

Properties PCD

Eigenschaften

Diamond, known as the hardestPCD diamond cutting plates are used in the processing of non-ferrous
material, is present here as a sin-metals [aluminium alloys, copper alloys] and non-metals [fibre-reinforced
tered polycrystalline diamond layer. CBNplastics (GRP, CRP), hard rubber, wood, multilayer laminates (fibre
By means of a high-temperatureboards, melamine resin composites), fibre particle reinforced metals
high-pressure process, a dense,(MMC )].
homogeneous layer of polycrys-The use of PCD-equipped tools ensures the highest cutting speeds,
talline diamonds is applied to hardservice life, surface finishes and dimensional accuracies.
metal as carrier material.
Application
Diamant bekannt als das härteste Material, liegt hier alsPKD Diamantschneidplatten finden Anwendung in der
BDA 23PCD fine-grain, increased surface requirements fine-eroding toolsgesinterte polykristalline Diamantschicht vor. Mit Hilfe Bearbeitung von Nicht-Eisen-Metallen [Aluminium-
eines speziellen Hochdruck-Hochtemperatur-Verfahrenslegierungen, Kupferlegierungen] und Nicht-Metallen
BDA 18PKD medium grain, standard PCD quality, AlSi max. 12 %wird eine dichte Lage aus polykristallinen Diamanten auf [faserverstärkte Kunststoffe (GFK, CFK), Hartgummi,
Hartmetall als Trägermaterial aufgebracht.Holz, Mehrlagen-Schichtverbunde (Faserplatten,

BDA 16 PCD mixed grain, increased wear resistance, AlSi> 12 %, with a high proportion of abrasive fillersMelaminharz-Verbundstoffe), Faserpartikelverstärkte Metalle (MMC)]. Durch den Einsatz von PKD bestückten Werkzeugen werden höchste Schnittgeschwindigkei- ten, Standzeiten, Oberflächengüten und Maßgenau-

igkeiten erreicht.

Cutting data recommendations PCD

MaterialCuttingCuttingFeedRecommended type
speeddepthf mm/U
V (m/min.)ap mmBDA 23BDA 18BDA 16
Aluminium alloys:Rough turning800 – 3.0000.3 – 5.00.1 – 0.6■
Aluminium, cast aluminium andSiFinish turning800 – 3.0000.05 – 1.00.03 – 0.2■■
moulded castMilling800 – 3.5000.1 – 2.50.05 – 0.3■
Rough turning300 – 9000.1 – 2.50.1 – 0.4■
High-silicon aluminiumSi >12 %Finish turning300 – 9000.05 – 0.80.03 – 0.2■
Milling400 – 1.0000.1 – 2.00.05 – 0.3■■
Copper alloys:Rough turning600 – 1,2000.5 – 2.00.1 – 0.4■
Bronze, brass, tinplate, copper,Finish turning700 – 1.5000.05 – 0.50.05 – 0.4■■
zinc alloys, magnesium alloysMilling700 – 1.2000.1 – 2.50.1 – 0.3■
CarbidesRough turning20 – 250.1 – 0.50.1 – 0.3■
up to max. 15% cobalt contentFinish turning20 – 300.05 – 0.20.05 – 0.2■
Hard rubber, glass, ceramics, graph-Rough turning80 – 1,0001.0 – 5.00.1 – 0.4■
ite, All plastics, PVC, PA, PE, Fibre reinforced plasticsFinish turning80 – 1,5000.1 – 2.00.05 – 0.3■■
(GRP, CRP)Finish turning200 – 1,0000.1 – 5.00.1 – 0.3■■
Wd itSawing2,000 – 5,0000.05 – 1.0■■
oo composesMilling2,000 – 5.0000.05 – 1.0■■

* Feed rates for milling = mm / tooth | ■ = particularly suitable | = conditionally suitable

Cutting data recommendation for PCD tools with chip breaker MED and ROF

MED:for fine - mediumi machining
RadiusR0.2R0.4R0.8
f mm/U0.04 - 0.10.08 - 0.20.1 - 0.3
ap mm0.05 - 0.60.1 - 2.00.3 - 2.5
ROF:for roughing
RadiusR0.4R0.8
f mm/U0.1 - 0.250.15 - 0.35
ap mm0.4 - 2.00.6 - 3.0

The values given are only approximations. The processing should start with the average value of the recommended cutting data, then the cutting values can be changed (according to the chip shape and surface quality) in order to optimize the machining.