About Union Machine



More than 50 Years of Areospace Excellence
Union Machine is an SD veteran-owned family business that, as an OEM provider and prime contractor of jet engine and other precision parts, has been an important innovator and contributor to the aerospace business for 50 years.

Management Team

Product Profile

Major League Capabilities
Our sophisticated engineering, manufacturing, inspection and process control capabilities can handle parts up to 44 inches and deal with a wide variety of material ranging from Aluminum to Carbon Steel, Titanium, Inconel and other super alloys. We even machine and fabricate engineered plastics.

Aircraft Laser Services Division
The Aircraft Laser Services division is focused exclusively on customer requirements demanding advanced laser technology. Core compenency in the use of 5-Axis non-conventional cutting and drilling utilizing advanced Nd:YAG laser technology optimized for critical aerospace part fabrication. These capabilities have received both PRI Nadcap aerospace and General Electric GT193 certification.

Manufacturing Assets


Experience = Solutions
Our highly skilled production staff averages over 17 years of machine operation experience, mostly in the areospace arena. The result is a team that is capable of employing creative solutions to the production of new products and delivering consistent quality and reliable delivery on existing lines.

Quality First
Union Machine is a ISO9000:AS9100B accredited shop. Our quality lab features the latest in measurement and analysis equipment. Average lab staff experience exceeds 20 years.

A History of Innovation
Now in it's third generation of family ownership, Union continues the pattern of quality and innovation that were the hallmark of the companies founders.

Award Winning Family Business

Union Machine History



Machining Equipment

CNC and manual equipment are used for manufacturing. Twin spindle technology and computer aided manufacturing is used throughout the CNC milling group.

Turning capability is 35 inches and Manual, CNC and 4/5 Axis Contour equipment capacity up-to 44 inches.

Honing capability 4 micro finishes.

Engineering/Process Control

Manufacturing is supported by solid modeling software, CAD, CAM, CNC programming, tool design/fabrication and production/business management and inventory control stations including bar code production control.

Typical Products

- Bell Cranks
- Covers
- Ducts
- Nozzles
- Retainers
- Rings
- Seal Segments
- "Hot" and "Cold" Shrouds/Supports

Material Capabilities

We machine casting, forging, and plate material, including:

- INCO 718
- 17-4PH
- RENE 95
- 6-4 titanium
- super hastealloy
- hastealloy X
- 4340 steel
- stainless steels
- aluminum alloys
- magnesium
- composites
- engineered plastics



Industry Certifications

- AS 9100B
- ISO 9001:2000
- MIL-I-45208
- MIL-Q- 9858A

Client QA Recognition

- DCMC - Boston
- Textron Lycoming
- Pratt & Whitney
- General Electric
- Army Aviation Systems Command
- DCMA - Boston
- Naval Inventory Control Point

Lab Capabilities

Quality laboratory centers around state-of-the-art computerized coordinate measurement equipment, optical comparators and helium light band measuring systems supported by a complete complement of standard inspection, measuring, and gauging equipment.

Resident or Designate QA Representives

- General Electric

      View the Union Machine Presentation