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Precision CNC Machining of a Bronze Labyrinth Seal for Turbines & Compressors

Labyrinth Seal for a Turbine and Compressor Application

At Westboro Machine, for over 49 years we have built our reputation as a leading provider of precision machined components for turbine systems. We offer milling, turning, and various manufacturing operations that can meet the needs of this demanding industry. We are well versed in a variety of materials including plastics, brass, aluminum, bronze, copper, and steel. We also strive to meet any customer expectation regardless of a design’s size, shape, or complexity.

We recently worked with one of our long time customers to produce a labyrinth seal for turbines and compressors. The seal had an OD of 4.75” and an ID of 3.002”, sized with a width of 1 .437”. As per our customer’s specifications, the design required that we meet all ¼-20-UNC-2B standards. Using our Cadet lathe and HAAS VF4 4-axis mill, we machined 660 bronze with resulting tolerances as tight as +.0005”. Each completed seal underwent electroless nickel plating for additional hardening and surface treatment. We thoroughly inspected every part before and after the machining and plating processes by using specialty testing equipment, manual tools, and visual analysis. This project demonstrated our ability to accurately and efficiently machine bronze according to stringent customer specifications.

Our customer received the seal on time and was extremely impressed by our ability to continuously deliver on-time and within budget. Supported by our 4,000 sq. ft. facility, we offer state-of-the-art equipment, seasoned staff, and a consistent drive to produce our products to the highest quality possible. We have been a family-owned business since 1966 and continue to employ craftsman with in-depth experience in CNC equipment. To learn more about our work with bronze, please contact us or refer to the table below.

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Bronze Labyrinth Seal Project Highlights

Project Name & Description
Labyrinth Seal for a Turbine and Compressor Application
Capabilities Applied/ Processes
Primary:
CNC Lathe
CNC Vertical Machining

Secondary:
Electroless Nickel Plating
Equipment Used to Manufacture Part
Cadet Lathe, HAAS VF4 4th Axis
Overall Part Dimensions
4.75’’ OD x 3.002’’ ID1 x .437’’ width
Tightest Tolerances
+/- .0005
Material Used
660 Bronze
Material Finish
Electroless Nickel Plate
In Process Testing/ Inspection Performed
Check parts at each setup / Post machining / Post plating
Standards Met
¼-20-UNC-2B

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