About Ondrives Precision Gears

With a long established history, Ondrives are a leading manufacturer in precision gear manufacturing and mechanical components. Through continued investment and development the company has built an excellent reputation for Quality, Reliability and Service and has full AS9100 Rev D and ISO 9001:2015 accreditation..

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At Ondrives we like to keep our customers kept up to date with our latest news and short videos on
LinkedIn . As a UK owned and based company, we manufacture our products and designs in the heart of Derbyshire, with our specialist gear knowledge and experience to help customers with there needs and designs through to production. We take on all projects, with a factory full of 40 CNC machines and supporting CAD/CAM as well as Gear specialist software and machines.

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With our versatile range of machining centres, we are equipped to manufacturer the most complex and intricate components.

Gear Grinding

High accuracy Quality Grade 4e25 DIN 3961/3967 ( ISO1328 ) Q3-4 0.5Mn – 16Mn upto Ø850mm Spur Helical. Profile modifications – Tip Relief, Root Relief, Tip Chf, Profile Crowning. Lead Modification – Crowning, Eccentric Crowning, End Reliefs.

Gear Cutting

Able to cut Quality Grade 7e25 DIN 3961/3967 ( ISO1328)  Spur, Helical and also Worm Mill and Wormwheel cut. Lead crown and auto-load function. 0.4Mn – 4Mn.

Cylindrical & Thread Form Grinding

Grinding <0.003mm runouts, with +/- 0.0025mm tolerances.
<0.4Ra Surface finishes.
Upto Ø350mm and up to 1000mm between centres.

5 Axis Simultaneous Machining

30 Pallets, 145 tools and Renishaw probing. Able to precision machine components from solid billets of aluminium and steel. Utilizing 3D CAD and CADCAM software for the machining of complex shapes.

Turning Centers and Multi-Tasking Mill-Turn 5 Axis.

Bar and Billet loading Upto Ø900mm. 


Gear Analytical Inspection, Mitutoyo CMM’s. First Article Inspection (F.A.I.) Reports. Measurement Reports. Material Certificates.

Gear Design

For more advanced design of spur, helical, worm and wheel gears we use industry leading design software to handle the complex problems and conform to industry standards. Used in the design of EV Gears, Aerospace and Rail. Spline gear teeth DIN 5480.

Spiral Bevel Gear Design

Spiral Bevel, Hypoid and High Ratio Hypoid designs can be produced and optimised in-house with our GEMS® system. In a closed loop system with our Gleason 280G bevel grinder and inspection machines we can manufacture smooth, accurate and high load capacity teeth.

3D CAD Design

Using our Solidworks 3D CAD platform we produce models and drawings for production.

Gear Teeth Dimensions

Free Use Online Gear Tooth Calculator - A simple user interface displaying the tooth profile in the transverse section and automatically updating with your inputs allowing you to consider factors such as profile shift, undercutting and tooth thickness.


Using 3D CAD models in conjunction with our Hypermill CAM platform we are able to produce tools paths for our factory.

Quality and Precision

Quality and Precision are at the heart of what we do.

We have a comprehensive range of certifications across the business, including AS9100D for the aerospace industry, and our staff, who are the backbone of what we do, are trained to a high standard.

Ondrives AS9100D Quality Certificate

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Exhibitions & Events

FIA2024 Farnborough International Airshow

At FIA2024, on 22-26th July 2024, Farnborough International Airshow 2024 Hall 2 Stand 2311 we are getting prepared at Ondrives Ltd for the start of this world recognised major aerospace exhibition for us with the FIA2024 show.

Mach 2024 Exhibition 15-19th April Stand 20-34

At Mach 2024 we are getting prepared at Ondrives Ltd for the start of exhibition season for us with the Mach show, we are going to be on Stand 20-34 (Hall 20 Stand 34). From the 15-19th April 2024 we will be here and ready for your questions and any help with gear projects you.

Frequently Asked Questions

We usually attend several exhibitions throughout the year and look forward to meeting customers old and new.

Yes! We welcome all visitors to our design and production facility. Please get in touch with us to arrange a visit to see who we are and see our production and design office.

Over 3200m2 (35,000 ft2) of Factory and offices in the UK, we offer a close partnership of working using our technical, design and production experience to help with our customer’s requirements.

With our origins in the precision gear industry going back over 80 years, Ondrives has a good pedigree of knowledge, expertise and experience for use with partners in Gear and Gearbox projects.


Our Address

Ondrives Ltd, Foxwood Ind. Park, Chesterfield, Derbyshire, S41 9RN, UK

Email Us

Call Us

Int. +44 1246 455500

UK. 01246 455500