Vespel Machining of a Split Seal Ring for the Aerospace Industry

Spilt Seal Ring Components
Spilt Seal Ring Components

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At Plastic Products, Inc., our breadth of vespel machining knowledge is unrivaled in the industry. The product highlighted here is a spilt seal ring for a customer in the aerospace industry located in Tempe, Arizona. Previously, the customer had been manufacturing this assembly out of aluminum, but wished to switch to a polymer material to reduce overall weight, without reducing the quality of the part. Vespel SP-22 polyimide material was chosen for its excellent thermal and impact resistant qualities along with its dimensional stability over a range of temperatures.

Following the customer's specifications and requirements and then using precision CNC equipment, including a Mori Seiki lathe and Matsuura mill, the spilt seal ring was manufactured to tolerances as tight as ±0.0005". A total of 3,500 guide rings were manufactured for this project, with a turnaround time of 30 days.

Plastic Products has the machining knowledge, expertise and facility capacity to complete challenging projects within tight timelines. It is important to Plastic Products that their customers have premium quality components they need, on schedule. For additional details regarding this precision vespel machining project, see the table below, or contact us directly.

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Split Seal Ring Project Highlights

Product Name
Split Seal Ring
Capabilities Applied/Process
Precision Turning
Precision Milling
Equipment Used to Manufacture Part
CNC Mori Seiki Lathe, Matsuura CNC Mill
Overall Part Dimensions
3 3/4" x 2.5" O.D.
.3" Length
Tight Tolerance
Material Used
Vespel SP-22
Industry Use
Delivery/Turnaround Time
30 days
Delivery Location
Tempe, Arizona
Standards Met
Customer Specifications and ANSI Y14.5

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