Precision ball screws, miniature ball screws and linear drive technology from Jena since 1970.
Jenaer Gewindetechnik GmbH
Jena · Charlotte (USA, sales JENATEC Inc.)New on Amplifa
Precision since 1970 – DNA of precision manufacturing
Jenaer Gewindetechnik GmbH manufactures ball screws (recirculating ball screw spindles), miniature ball screws, worms, precision gear racks and sliding screw drives as well as drive-related equipment such as linear guides, carrier units and X-Y tables at its Jena-Göschwitz site. Production ranges from prototype to series and includes precision machining, in-house heat treatment, the construction of its own special measuring technology as well as measurement, inspection and assembly; a repair service and spare parts supply for ball screws round out the portfolio. With more than 100 employees, the company supplies the machinery and machine tool industry, the semiconductor, optical and medical industries, aerospace as well as the automotive and electronics industries. The parent company KURODA Precision Industries Ltd., founded in 1925, with group revenue of around 19.5 billion yen and 982 employees, has owned the Jena-based company as a 100% subsidiary since 2012. Through its US sales subsidiary JENATEC Inc., the company is internationally present.
- Site
- Jena
- Processes
- Manufacture of ball screws (recirculating ball screw spindles), Manufacture of miniature ball screws, Manufacture of worms, precision gear racks and sliding screw drives, Heat treatment, Precision machining, Assembly, Measurement and inspection (repair service and spare parts for ball screws), Repair service and spare parts for ball screws
- Materials
- Ball screws (recirculating ball screw spindles), Miniature ball screws, Sliding screw drives, Precision gear racks and worms, X-Y tables and linear guides
- Certificates
- DIN ISO 9001, DIN ISO 50001, DIN ISO 9001 (TÜV CERT), DIN ISO 50001 (TÜV CERT)
- Founded
- 1925 (KURO
- Employees
- over 100 (Jenaer
- Industries
- Mechanical Engineering, Machine Tool Industry, Semiconductor Industry, Optical Industry, Medical Industry, Aerospace
- 01
Design/Development
- 02
Precision Machining
- 03
Heat Treatment
- 04
Assembly
- 05
Measurement/Inspection
- 06
Repair Service and Spare Parts Supply
Processes and Technologies
Ball screws (recirculating ball screw spindles)
Core product since 1970, originally as sole supplier for the entire machine tool industry of the GDR.
Miniature ball screws
Own production area since 2000 for compact drive applications.
Sliding screw drives
Complement to the product range since 1972.
Precision gear racks and worms
Manufactured since 1972 for drive and positioning applications.
X-Y tables and linear guides
Drive-related equipment with compactly integrated components.
Locations
Jena
DEHeadquarters and Production
- Materials
- Steel (ball screws), rolling screw drives 20–125 mm diameter
- Manufacture of rolling screw drives
- Miniature ball screw manufacturing
- own special measuring technology
- Heat treatment
- Assembly
Charlotte (USA)
USSales (JENATEC Inc.)
Products and Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of ball screws (recirculating ball screw spindles)Machining | – | – | – | – | – |
| Manufacture of miniature ball screwsMachining | – | – | – | – | – |
| Manufacture of worms, precision gear racks and sliding screw drivesMachining | – | – | – | – | – |
| Heat treatmentHeat treatment | – | – | – | – | – |
| Precision machiningMachining | – | – | – | – | – |
| AssemblyAssembly | – | – | – | – | – |
| Measurement and inspection (repair service and spare parts for ball screws)Testing | – | – | – | – | – |
Additional services
Quality and Certification
The company is certified to DIN ISO 9001 (since 1994) and DIN ISO 50001 (since 2014) by TÜV CERT. Measurement and inspection are carried out, among other things, with specially developed measuring technology from the company's own development department.
| Evidence | Jena |
|---|---|
| DIN ISO 9001 (TÜV CERT) | |
| DIN ISO 50001 (TÜV CERT) |
Moving Moments since 1969
- 1969
Establishment of a 'rolling screw drives' manufacturing operation with its own development, technology and sales departments at the Jena Zeiss plants, diameter range 20 mm to 125 mm
- 1970
Series production of ball screws as sole supplier for the entire machine tool industry of the GDR
- 1972
Expansion to include worms, precision gear racks and sliding screw drives
- 1976
Delivery of rolling screw drives throughout the entire former CMEA region
- 1984
Establishment of a ball screw manufacturing operation in India with licensing
- 1990
Part of Jenoptik
- 1991
Spin-off and acquisition into Neff Jena GmbH
- 1993
Renaming to Jenaer Gewindetechnik GmbH; move into the new company building in the Jena-Göschwitz industrial park with over 6,000 sqm
- 1994
Acquisition by the English Ferraris Group; certification to DIN ISO 9001 by TÜV CERT
- 1996
Founding of JENATEC Inc. USA as a subsidiary
- 2000
Establishment of the miniature ball screw business division with its own production
- 2002
100% subsidiary of the English Avingtrans plc
- 2012
100% subsidiary of KURODA Precision Industries Ltd.; expansion of the product portfolio
- 2014
Certification to DIN ISO 50001 by TÜV CERT
- 2025
KURODA Precision Industries celebrates its 100th anniversary