Ondrives precision gear manufacturing facility in Chesterfield, Derbyshire
UK precision gear manufacturing

Engineering precision into every rotation

Design, manufacture, inspection and assembly of precision gears, bevel gears, splines, transmission components and engineered gearbox systems.

60+years of engineering experience
AS9100Rev D aerospace quality system
Prototype to productionsupport across development and volume manufacture
UKdesign, manufacture, inspection and assembly
Complete design-to-production support

Core capabilities

Ondrives supports technically demanding programmes from initial gear and transmission design through manufacturing, inspection and final assembly.

Gear engineeringSpur, helical, internal, spline, worm, planetary and bevel design.
Gear manufactureCNC gear cutting, form grinding, bevel grinding and specialist finishing.
Precision machiningSimultaneous 5-axis, mill-turn, CNC turning, sliding-head and wire EDM.
MetrologyAnalytical gear measurement, CMM, optical inspection and surface finish measurement.
TraceabilityMaterial certification, inspection reports and first article inspection documentation.
AssemblyMechanical and gearbox assembly, shrink fits and testing.
Ondrives capability matrix covering prototype, production and large batch manufacturing
Capability overview from the source company presentation.
Specialist design capability

Spiral bevel and hypoid engineering

Gleason GEMS supports spiral bevel, hypoid, Zerol and high-ratio hypoid gear design.

  • Interactive tooth-surface and ease-off correction and optimisation
  • No-load tooth contact analysis (TCA)
  • Loaded TCA and finite element analysis
  • Root bending and contact stress evaluation
  • Life-study support using S-N curves
Gleason GEMS spiral bevel gear design, tooth contact and stress analysis screens
Bevel design, tooth-contact and stress-analysis capability.
Digital engineering

Gear, system, CAD and CAM design

Engineering software supports calculation, 3D modelling, production simulation and machine programming before material is committed.

  • KISSsoft gear, shaft and bearing analysis
  • Gear tooth stress, backlash and modification analysis
  • SolidWorks 3D CAD modelling and assembly verification
  • STEP, IGES and Parasolid data support
  • hyperMILL CAM programming for complex 5-axis and mill-turn production
KISSsoft gear and system analysis software used by Ondrives
Gear and transmission analysis using KISSsoft.
Gear and bevel manufacture

High-accuracy gear production

  • External spur, helical gears and splines
  • Internal and external analytical gear measurement
  • Profile, lead, pitch, run-out and tooth-thickness measurement
  • Profile and lead modifications, including twist control
  • Closed-loop design, manufacture and measurement for ground bevel gears
  • Spiral, hypoid, Zerol and high-ratio hypoid manufacture up to approximately Ø280 mm pitch diameter
Gleason gear grinding, spiral bevel grinding and analytical gear measurement equipment
Gear grinding, spiral bevel production and analytical measurement.
Flexible production

Gear cutting and spline manufacture

  • Hobbing of spur gears, helical gears and splines
  • Worm-wheel manufacture and worm milling/grinding
  • External and internal spline, spur and helical gear shaping
  • Profile and lead modifications
  • Automation for repeat and large-batch production
  • Capacity shown in the presentation up to Ø600 mm and 12 module for selected processes
Gleason Pfauter CNC gear hobbing and gear shaping machines
CNC gear hobbing and electronic gear shaping.
Precision component manufacture

Grinding, 5-axis machining, EDM and turning

  • External and internal diameter and face grinding
  • Grinding capacity shown up to Ø350 mm and 1,000 mm length
  • Simultaneous 5-axis machining supported by offline CAM
  • Wire EDM through hardened materials for internal gears, splines and complex forms
  • Mill-turn and CNC turning from small precision parts to large components
  • Sliding-head, bar-fed machining for repeat and lights-out production
Sodick wire EDM and Mazak simultaneous 5-axis machining equipment
Wire EDM and simultaneous 5-axis machining.
Verification and control

Gear, bevel and dimensional metrology

Inspection capability supports production control, first article reporting and traceable verification of precision components.

  • Analytical gear and bevel measurement
  • CMM dimensional inspection
  • Optical measurement of cylindrical parts
  • Surface finish measurement
  • Documented inspection results and reporting
Gleason analytical gear measurement system and example inspection reports
Analytical gear metrology and documented inspection reporting.
Integrated supply

Gearbox and mechanical assembly

  • Gearbox and mechanical assembly
  • Shrink-fit assembly
  • Controlled heating and liquid-nitrogen fitting processes
  • Testing and verification
  • Traceable supply of complete engineered assemblies
Exploded gearbox reducer assembly designed and assembled by Ondrives
Gearbox reducer and mechanical assembly capability.
Aerospace quality system

Quality, traceability and documentation

The presentation identifies Ondrives as approved by LRQA to AS9100 Rev D, with full material traceability, first article inspection reports and inspection documentation.

  • AS9100 Rev D quality management
  • Full material traceability
  • First article inspection reporting
  • Dimensional and gear inspection reports
  • Dedicated engineering and quality support
Ondrives AS9100 certificate and first article inspection documentation
Quality certification and traceable inspection documentation shown in the supplied presentation.
Start a technical discussion

Send Ondrives your drawing, specification or 3D model

Final process selection and capacity depend on component geometry, material, tolerance, heat treatment, batch size, workholding and inspection requirements.