Non-contact Four-wheel Locator
The non-contact four-wheel positioning instrument is a special device used to measure and adjust the wheel positioning of the assembled vehicle. Through the positioning instrument, the four-wheel positioning of the vehicle is located and measured/judged to ensure that the wheel positioning meets the design parameters and requirements.
Wheel weight, toe in and camber of wheels, inspection of main pin camber, camber, thrust angle, and maximum steering angle, calibration of toe in and camber, automatic collection and calibration of wrench torque to a specified database, and optional wheel arch inspection function.
Innovative advantages: Exclusive invention patents leading the world, side cameras added to the front wheels and targets added to the rear wheels, automatic calibration of the zero point value of the rear wheel sensors after changing the wheelbase, eliminating initial errors and ensuring accurate measurement results.
Exclusive innovative wheelbase adjustment mechanism ensures that the wheel rotation center coincides with the drum group rotation center, accurately measuring the maximum steering angle.
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The non-contact four-wheel positioning instrument is a special device used to measure and adjust the wheel positioning of the assembled vehicle. Through the positioning instrument, the four-wheel positioning of the vehicle is located and measured/judged to ensure that the wheel positioning meets the design parameters and requirements.
Wheel weight, toe in and camber of wheels, inspection of main pin camber, camber, thrust angle, and maximum steering angle, calibration of toe in and camber, automatic collection and calibration of wrench torque to a specified database, and optional wheel arch inspection function.
Innovative advantages: Exclusive invention patents leading the world, side cameras added to the front wheels and targets added to the rear wheels, automatic calibration of the zero point value of the rear wheel sensors after changing the wheelbase, eliminating initial errors and ensuring accurate measurement results.
Exclusive innovative wheelbase adjustment mechanism ensures that the wheel rotation center coincides with the drum group rotation center, accurately measuring the maximum steering angle.
Test content：
Front wheel front bundle (left/right), front wheel total front bundle, rear wheel front bundle, front wheel out (left/right), kingpin back tilt, kingpin inward tilt, rear wheel out (left/right), maximum steering Angle, etc. The device can be measured repeatedly by static/dynamic measurement and adjustment, the front bundle and roll out of the wheel, the display in the control cabinet, the display above the front of the car and the operator’s display in the pit to display the measurement value in real time.
Kingpin back tilt Angle, kingpin inner tilt Angle measurement method: random inspection.
Measuring range (accuracy calibrated with static calibration stand)：
| Item | Test range | Precision | Repeat accuracy | Remark |
| Front pulley | ±10° | ±1′ | ±0.2′ | 100% detection |
| Wheel roll out | ±10° | ±2′ | ±0.4′ | 100% detection |
| Thrust Angle | ±10° | ±2′ | – | 100% detection |
| Steering wheel Angle | ±10° | ±0.5′ | ±0.5° | 100% detection |
| Kingpin tilted inward | measuring range±20° | – | ＜±4° | 100% detection |
| Kingpin leans back | measuring range±20° | – | ±0.1° | 100% detection |
| Maximum steering Angle | ±45° | ±0.1° | ±0.1° |
The non-contact dynamic four-wheel positioning instrument adopts the non-contact German visicon laser measurement system and the imaging processing technology of line laser irradiation, which has the characteristics of high measurement accuracy, small repeatability error and stable operation.
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