Our custom screw machining services are bolstered by our extensive PTJ machine library and general breadth of screw machining technology. Few can match PTJ in adherence to exacting specifications, or in the re-creation of complex geometries for high volume production of all types of specialized material parts.
CNC MILLING CAPABILITIES
Industry Focus | AerospaceAgriculturalArchitecturalChemicalDentalElectronicFood | Machine ToolMedicalMilitaryOpticalPackaging/ConvertingPharmaceutical |
Intended Applications | BushingsFastenersFittingsForgingsMachine componentsMachine componentsPinsShafts | SocketsSpacersSpindlesStandoffsThread RodTurbine ComponentsTurbomachinery ComponentsValves |
Milling Processes | BoringCounterboringCountersinkingDrilling | PocketingProfilingReamingTapping |
Machined Materials (Metals) | Alloy SteelsAluminumBrassBronze AlloysCarbon Steel | IronMolybdenumMonelNickelStainless Steel |
Machined Materials (Plastics) | ABSAcetalAcrylicNylonPhenolicPolyamide-ImidePolycarbonatePEEK | PolyetherimidePolyethylenePolypropylenePolysulphonePTFEPVC (Polyvinyl Chloride)PVDFTeflon |
Type of CNC Milling Machines | Vertical Machining Centers | |
CNC Cutters | Flat end millBall end millChamfer millFace mill | Twist millReamerTap |
CNC Cutting Tools | High-speed steel (HSS)Carbon Steel | CarbideCobalt High Speed Steel |
Machinery Axes | 4 | |
Type of Collet/ Adapter | Spindle- have a standardized spindle endChuck- used to attach chucks to milling machines having a standard spindle end | Cat 40 Tooling |
Vise | PlainSwivel-type | Double Vise3 Jaw Chuck |
CNC Equipment Capabilities | Coolant systemsHigh speed machiningVariable spindle speeds | Electric-drive motorsPower-operated table feeds |
CNC Tolerances | Straightness : ± 0.001″Diameter (outer/inner): ± 0.0005″ | Concentricity: ±0.0005Length ±0.0005 |
Milled Part Length | Max 60″ | |
Milled Part Width | Max 30 in | |
Milled Part Height | Max 30″ | |
CNC Production Volume | PrototypeLow VolumeSmall RunHigh Volume | Large RunLong Run |
CNC Machining Lead Times | Quoted on job by job basis | Rush & Emergency services available |
Industry Standards | ISO – 9001-200International Organization for StandardizationTS-16949Technical Specifications, used with ISO | |
File Formats Accepted | 3D ACIS Model FileBMPCatia (CATDrawing, CATPart)DXFDWGMasterCam (MCX, MC8, MC9, SET)STEP-Product Data Exchange | GIFIGESJPG or JEPGPDFSATSolidWorks (SLDPRT, SLDDRW, SLDDRT) |
CNC TURNING CAPABILITIES
Intended Applications | Machine componentsTurbine componentsShaftsForgingsValvesPinsThread rod | FastenersSpindlesSocketsBushingsCustom Nuts & BoltsSpacersStandoffsFittings |
Tolerances | 0.0005″ | |
Part Diameter | Min 1/4 in | Max 10 in |
Part Length | Max 44 in | |
Part Length | Max 44 in | |
Maximum Part Weight/Lifting Capacity | 250 lbs | |
Machining Processes | BroachingParting/CuttingFacing | Threading:ExternalInternalInternal FormingKnurlingBoringDrillingProfilingReamingTapping |
Turning:Contour TurningForm TurningTaper TurningStraight Turning | ||
Materials (Metals) | Alloy SteelsAluminumBrassBronze AlloysCarbon SteelStainless Steel | CopperIronLeadMolybdenumNickel |
Materials (Plastic Polymers) | ABS (Acrylonitrile Butadiene Styrene)AcetalAcrylicNylonPhenolicPolyamide-ImidePolycarbonatePolyetheretherketone (PEEK) | PolyetherimidePolyethylenePolypropylenePolysulphonePTFE (PolyTetraFluoroEthylene)PVC (Polyvinyl Chloride)PVDF (Polyvinylidene Fluoride)Teflon |
Equipment | LatheEngineCNC | |
Fixturing | Three-jaw chuckFour-jaw chuckIn-House Fixturing & Tooling | |
Part Diameter | 8″ Chuck with 2″ Thru Bore | |
Machinery Axis | 2 | |
Secondary Services Offered | AssemblyDrillingDeep hole DrillingTappingBendingThreadingBroachingCounter SinkingAnodizing | PressingMillingReamingWeldingPlatingPassivatingHeat TreatingCenterless GrindingInserting Plastic Molding |
Industry Focus | AerospaceAgriculturalArchitecturalChemicalDentalElectronicFoodHeating, Ventilation & Air Conditioning – HVAC | Machine ToolMedicalMilitary/Mil-SpecPower GenerationPackaging/ConvertingPharmaceuticalIndustrial |
Advantages of Turning | Tight tolerancesShort lead timesMaterials compatible | |
Production Volume | Specialty Production ShopPrototypeLow VolumeSmall RunHigh Volume | Large RunLong RunLarge Scale Production Volume Run |
Lead Times Available | Quoted on job by job basis | Rush & Emergency services available |
Industry Standards | ISO – 9001 – 2015Mil-Spec – Compliant | |
File Formats | AutoCAD (DWG)DXF – Drawing Interchange Format, or Drawing Exchange FormatPDF – Portable Document FormatSolidWorks (SLDPRT,SLDDRW,SLDDRT)STEP – Standard for the Exchange of Product Model Data |