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Published byEgbert Stewart Modified over 8 years ago
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Surface properties and preparation Technical characteristics Process and machine Materials Applications 3
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4 No oxidation or any residual Cutting edges free of burrs or burnings Remove any «white layer» Holes or threads should be present for fixturing Not magnetized
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5 Roughness as low as possible Never polish with rubber wheels No diamond paste below 3 microns Sisal wheels with white or light blue accepted
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Brazing alloys not containing Cd and Zn Brazing alloys resist at high T (>600°C) Surface protection with slight oil layer easy to remove Moulds must be prepared cleaned with solvents 6
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Protec Technical Coatings T coatingHardness**Adhesion*Friction Coef.TechnologyStructure CrN < 280°C1800-2000 HV> 30N< 0,4ArcMonolayer TiN > 450°C2300-2600 HV> 30N<0,6ArcMonolayer Ti(Si)N > 450°C> 3000 HV> 30N<0,6Arc Graded layer with nanoinclusions TiAlN > 450°C2800-3000 HV> 30N<0,7ArcGraded layer AlTiN > 450°C3000-3300 HV> 30N<0,7ArcGraded layer WC/C < 200°C1700-2100 HV27N0,15Arc/MSGraded layer AlCrN> 450°C 2800-3000 HV> 30N<0,3Arc Monolayer TiCN> 450°C 2800-3000 HV> 30N<0,6Arc Monolayer ZrN> 450°C 1800-2000 HV> 30N<0,4Arc Monolayer ** Nanoindentation * Microscratch 100 micron 7
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8 All process optimization Quality assurance methods Process historical database Custom made process Surface activation !! Decoating
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Coating T : 200-500 °C Thickness : 2-5 microns Metal Nitride or Carbonitride High voltage plasma Coating time : 2-5 hours 9
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Bottom Turntable Steered Cathodic Arc (4G) Turbopumps + Polycold Fully automatic process 10 PP700
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11 High speed steel HM Tungsten Carbide Tool steel Mould steel Stainless steel Titanium Others
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12 Milling Drilling Tapping Reaming Inserts and tools Moulds Cutting Punching and Forming Die casting Mechanical drives Fluid technology Engine technology Wear and Tribology Gears and components Hobs and punches Glass forming Others
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