Specifications for Green Sand Castings

Because versatility is important, Plymouth Foundry includes austenitic ductile iron, ductile iron, and gray iron as ASTM-grade materials in the green sand castings process.

Furnish castings to customers’ specific requirements
AgriculturalApplianceBuildingConstructionElectricalEnergy
HVACIndustrialMarineMedicalMilitary/Mil-SpecMilitary/Mil-Spec
Railroad
ArchitecturalAutomotive and Machine ComponentsCompressors & ExpandersConstruction MachineryCrankshaftsEngineered Plumbing
EnginesGearsGeneral MachineryHeavy CompressorsHydraulicsImpellers
Industrial MachineryLight CompressorsMachine ToolsMedium Gear BlanksMunicipal and Water WorksOrnamental
PumpsPumpsStreet Lamp PostsValves
(We can meet unique specifications of customers)ANSIASMEASTMISO 9001:2000Mil-Spec
Austenitic Ductile IronASTM A571-71Ductile IronASTM A536-84Gray IronASTM A48-83
High Silicon High Moly Ductile Iron
20,000 psi to 100,000 psi
From 1 unit to several thousand units per runLow Volume to Mid VolumeShort to Medium Runs & Prototypes
4 weeksQuoted on job by job basis
High TensileThin WallWear Resistant
AssemblyE-CoatingHeat TreatingLayoutMachining
New Pattern Equipment ProcurementPaintingPattern Repair, Mounting, Gating, & Rigging
CimatronSolidWorks
2-D VectorASCIIAutoCAD (DWG,DWZ)BMPCADLCatia (CATDrawing,CATPart)
CGMDWGDXFDXFFAXGE33.1
GEOGEO33.21GIFHGLIGESInventor (IDW, IPT)
JPEGNFLOBJPARASLDPCTPCX
PDFPLTPNGPro-E or Pro/Engineer (DRW,PRT,XPR)RASSAT
SFXSolidEdge (DFT)SolidWorks (SLDPRT,SLDDRW,SLDDRT)STEPSTLSurfCam (DSN)
SVTGATIFFTXTVDAWMF
WRL
1 oz to 150 lbs

Equipment Used

FBO-III Roberts Sinto Automatic Molding Machine (Flask Size: 20″ x 26″)
2 – 4,000 lbs Coreless Induction Electric Furnaces
IsocureShellPrinted
2 – Wheelabrators1 – Spin Blast2 – 30″ Grinding Stations4 – Secondary Grinding Stations
Concrete building with a sprinkler system & fire walls separating pattern storage building from foundry.

Quality Control

Continuous improvement process that improves customer satisfaction and eliminates waste
Understand the quality expectations of our customers, thereby improving customer satisfaction
Deliver defect-free products to our customers on time
Continually train our employees in quality related matters
Develop quality improvement plans with our key customers and suppliers
When we receive your order, a barcoded shop card featuring digital images is created, and all pertinent details are programmed into our Manufacturing Process Control system. As your order progresses through our shop, each department has detailed instructions to ensure that your parts are made to the proper specifications.
This system documents each step in the casting process, allowing us to determine the exact cost for each part and pass the savings on to you.
Our Hartley Sand Control system enables us to regulate the characteristics of the sand used in the molding process.
We utilize advanced technologies to see that you receive what you ordered. Spectrometer analysis and automatic nodularity testing ensure conformance to your specification and traceability by part number, heat code, and ladle. Brinell testing verifies hardness per specifications.
A Melt Analysis module allows us to keep detailed records of the chemical and physical properties of the metal we pour.
Computer tracking of in-house scrap promotes pro-active continuous improvement to meet quality requirements.
A special Corrective Action module in our manufacturing software package gives us the capability of following through on problems to see that they are resolved promptly and efficiently.
Our cutting edge production scheduling program module allows us to deliver both cast and machined parts on-time.
The bar-code order tracking system we use tells us within seconds where your order is in either the casting or machining divisions. This allows us to meet promised delivery dates, and you to schedule your production runs with the assurance that your castings will arrive on time, eliminating idle machines and costly downtime.

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