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Plastic Centerless Grinding Services

Plastic Centerless Grinding Services
Plastic Centerless Grinding Services

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By using centerless grinding on all of our stock, Severna ensures that each piece is straight and that the final products are true and accurate. Our large inventory of materials guarantees a fast turn-around and on-time delivery. Severna works with a wide range of materials, including PTFE, nylon, and Ultem®. Our centerless grinding can be applied to components used in electrical, auto/mechanical, chemical, and medical fields. We can process round parts up to 12' long and 1.5" in diameter while maintaining grinding tolerances as tight as .0005". Additional services include inspection with Vertex Microvue Precision Measuring System and standard metrology equipment.

Severna is ISO 9001:2008-certified and AS 9100-compliant. For more information on available materials, industries served, or complete industry standards, please contact us or see the table below.


Portfolios

Plastic Centerless Grinding Capabilities:

Part Length Max
12 ft
3657.6 mm
Part Diameter Max
1.5 in
38.1 mm
Tolerance (+/-) ±.0005 in
Part Configuration Round
Material
ABS
Acetal
Acrylic
Delrin
Glass Filled Nylon
Nylon
PEEK
Phenolic
Polycarbonate
Polyethylene
Polypropylene
Polystyrene
PTFE
PVC
Techtron PPS
Torlon
Rexolite
Fluroloy H
Ultem
  • 1000
  • 2300
Vespel®
Additional/Secondary Capabilities
Inspection
  • Vertex Microvue Precision Measuring System
  • Fully Equipped W/ Standard Metrology Equipment
Cryogenic Deburring
Hand Deburring
Custom Tool Design & Manufacturing
Material Stocking
  • Large Stock of Materials for Quick Turn Around
  • Round Stock
  • Hex Stock
Silk Screening
Engraving
Etching
Industry Focus
Aerospace
Automotive/Truck/Transportation
Chemical
Electrical
Medical
Military
We can Serve a Large Range of Industries: Please Inquire
Intended Application
Electrical:
  • Capacitor End Seals
  • Coaxial Connector Insulators
  • Coil Bobbins
  • Electrical Insulators
  • Feed-through Insulators
  • Precision Dielectric Components
  • Rod and Extruded Shapes
  • CATV Insulators
Automotive/Mechanical:
  • Bearings
  • Bushings
  • Gaskets
  • O-Rings
  • Packing
  • Valve Glands
  • Valve Plugs
  • Valve Seats
  • Washers
Chemical:
  • Fittings
  • Seal Rings
  • Separators
  • Stop-Cocks
  • Biomedical Equipment
  • Laboratory Apparatus
  • Separators
Medical:
  • TFE Balls
  • Inserts
  • Fittings
  • Beads
  • Plugs
  • Nipples
  • Plates
  • Supports
  • Poppets
  • Guides
  • Stems
  • Pushers
  • Caps
  • Manometer
  • Tubes
Industry Standards
AS
Aerospace Industry Standard
  • AS 9100 Compliant
ASTM
American Society for Testing and Materials
FDA Compliant
Food And Drug Administration
ISO
International Organization for Standardization
  • ISO 9001:2008 Certified
Mil-Spec
Military Specifications
RoHS
Restriction Of Hazardous Substances (Compliant)
SAE
Society of Automotive Engineers
File Formats
PDF-Preferred File Format
Portable Document Format
AutoCAD (DWG,DXF)
GIF
Graphics Interchange Format
IGES
Initial Graphics Exchange Specification, ANSI file format.
JPG or JEPG
Joint Photographic Experts Group
MasterCam (MDX, MC8, MC9, SET)
STEP
Standard for the Exchange of Product Model Data
TIFF
Tagged Image File Format

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for Custom Engineered Plastic Parts
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