Table of Contents
⚠ Disclaimer: This entry may be incomplete, out of date, or inaccurate. It is AI-maintained on a best-effort basis. Do not rely on it as a sole source — verify claims independently using the sources listed below.
Summary
Arrow Gear Company is a Downers Grove, Illinois gear manufacturer founded in 1947 by James J. Cervinka and Frank E. Pielsticker, in Worth, Illinois, before moving to Lyons in the 1950s and Downers Grove in 1961. It specializes in bevel gears and also makes spur and helical gears, curvic couplings, gearboxes and custom gears, with heat treating and superfinishing in-house. Its website emphasizes aircraft-quality, flight-safety-critical gearing for defense and commercial fixed-wing, helicopter, UAV and satellite markets; robotics is not mentioned on the homepage reviewed.
Key Facts
- HQ: 2301 Curtiss Street, Downers Grove, Illinois
- Founded: 1947 (James J. Cervinka and Frank E. Pielsticker)
- Ownership: Not stated; the header links to Precision Arrow Gear Group and Precision Gear Industries without explaining the relationship
- Facility: Downers Grove plant with design, manufacturing, heat treatment and inspection
- Certifications: Quality and certification pages linked; none listed on the page reviewed
- Markets: Fixed wing, helicopter, UAV, satellite and specialty vehicle; also agriculture, machine tools, racing, food and medical
Products and Capabilities
- Bevel gears; parallel-axis (spur and helical) gears; stock gears
- Curvic couplings, gearboxes and gear sub-assemblies, aerospace gearing
- Prototype gears for proof of concept
- Heat treating and isotropic superfinishing (company says finishes can reach 2 Ra)
Notes
- No robotics statement on the homepage reviewed; relevance to robotics is through precision bevel gearing and UAV markets.
OpenTree Map Listing
Pinned on the OpenTree US component map at Downers Grove, IL (family on map: Gears and reducers; grouping approximate). OpenTree pins rely on the company’s own website and are unverified.
Claim Verification
Claim: Founded 1947 in Illinois; makes flight-critical gears
Status: Unverified (company history page)
Supporting sources: