Plastic Precision Centerless Grinding

Accuracy from the Start

When we receive materials for your project, we never compromise on accuracy. We centerless grind all raw materials to ensure increased precision during the machining process of your parts, so you can be confident in our quality.

plastic ready for precision centerless grinding

The Severna Process

Our process for high-quality, accurate pieces begins before we machine your order with precision centerless grinding.

This ensures that our large stock of plastic materials is ready to process when your order enters the system. When your order is approved, our expert operators get to work right away, without worry that inaccurate stock pieces will impact their own tolerances.

We’re able to offer quick turnaround production and just-in-time delivery because of this extra step to ensure accuracy from the start.

Why We Include Precision Centerless Grinding

When we receive stock plastics from a manufacturer, they have their own tolerances built into their processes. Before that stock can be used on a client project, we complete precision centerless grinding to ensure that each piece is straight. This ensures the final product is also true and accurate.

We can process round parts up to 12’ long and 1/5” in diameter while maintaining grinding tolerances of .0005”. To prove this accuracy, we apply our inspection standards using various metrology equipment.

precision centerless grinding machine

Part Dimensions

Part Length
Max
12 ft
3657.6 mm

Part Diameter
Max
1.5 in
38.1 mm

Industry Standards

AS 9100 Compliant

ASTM

FDA Compliant

ISO 9001 Certified

Mil-Spec

RoHS Compliant

SAE

Processes

ABS

Acetal

Acrylic

Delrin

Glass Filled Nylon

Nylon

PEEK

Phenolic

Polycarbonate

Polyethylene

Polypropylene

Polystyrene

PTFE

PVC

Teflon®

Techtron PPS

Torlon

Rexolite

Fluroloy H

Ultem
1000
2300

Vespel®

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CASE STUDIES
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