BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Variable-Ratio Steering

Assembly

Speed-sensitive EPS with rear-wheel steering. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Variable-Ratio Steering parts and their functions

4 top-level parts · 38 parts in total · full bill of materials below
Variable-Ratio Steering parts diagram: 1 steering rack (EPS), 2 rear-wheel steering actuator, 3 steering wheel, 4 tie rod. 38 parts in 4 top-level items.
Variable-Ratio Steering parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Steering Rack (EPS) 4 parts 1× Electric power steering rack combining the rack and pinion gear, the assist motor, torque sensor, and tie rods.
2 Rear-Wheel Steering Actuator 3 parts 1× Electric actuator steering the rear wheels.
3 Steering Wheel 3 parts 1× Rim, spokes, and hub through which the driver steers, carrying the airbag module and control switches.
4 Tie Rod 2× Adjustable steel link with ball ends connecting the steering rack to each wheel's steering arm.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Variable-Ratio Steering

4 top-level lines · 18 rows shown · 38 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Steering Rack (EPS) 4 parts steering-rack 1× 1 5 assembly
1.1 Rack Housing rack-housing 1× 1 · part
1.2 Rack & Pinion rack-pinion 1× 1 · part
1.3 EPS Motor steering-motor 1× 1 · part
1.4 Tie Rod tie-rod 2× 2 · part
2 Rear-Wheel Steering Actuator 3 parts grand-tourer-car-rear-steer 1× 1 27 assembly
2.1 Servo Motor 4 parts servo-motor 1× 1 24 assembly
2.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 1 3 assembly
2.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 1 19 assembly
2.1.3 Encoder encoder 1× 1 · part
2.1.4 Motor Housing motor-housing 1× 1 · part
2.2 Ball Screw ball-screw 1× 1 · part
2.3 Tie Rod tie-rod 2× 2 · part
3 Steering Wheel 3 parts steering-wheel 1× 1 4 assembly
3.1 Wheel Rim Core wheel-rim-core 1× 1 · part
3.2 Airbag Module airbag-module 1× 1 · part
3.3 Steering Control Switch control-switches 2× 2 · part
4 Tie Rod tie-rod 2× 2 · part

Something wrong in this list? Report a problem with this BOM.

Where the variable-ratio steering is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks