GB/T 33570-2017 in English
VALIDFour-wheel aligner
- Issued on:2017-05-12
- Implemented on:2017-12-01
- File Format:PDF
- Delivery:Within 1 day
$334.00
《GB/T 33570-2017四轮定位仪》由TC247（全国汽车维修标准化技术委员会）归口，主管部门为交通运输部。
Introduction
Analysis of the core content of the standard
| Parameter type | Measurement range | Indication error requirement | Test conditions |
|---|---|---|---|
| Total toe angle | ±3° | ±4′ | Temperature 0-40℃ |
| Wheel camber angle | ±5° | ±2′ | Humidity ≤85% |
| Kingpin castor angle | ±16° | ±12′(within ±10°) | Voltage 220V±22V |
Detailed explanation of key technical requirements
1. Measurement accuracy control
Four-wheel aligner must meet the following requirements:
- Angular resolution ≤1′ (0.01°)
- Toe-in length indication time resolution 0.1mm
- Zero drift (30min) ≤2′
2. Environmental adaptability
Typical application case: A certain brand of electronic four-wheel aligner has passed verification in the extended temperature range of -10℃~50℃, and its indication error still meets the requirements of Clause 5.2.6 of the standard.
Implementation suggestions
Key points for equipment selection
- Give priority to products that have passed type inspection (see Chapter 7 of the standard)
- Select the turntable load capacity according to the vehicle type (≤3.5t vehicles require ≥1000kg)
- Verify the shaft hole matching accuracy of the measuring instrument (H7/g6 or G7/h6)
Daily maintenance requirements
| Components | Maintenance cycle | Key indicators |
|---|---|---|
| Wheel clamp | Monthly | Radial runout≤0.1mm |
| Turntable | Quarterly | Friction coefficient＜0.01 |
Analysis of Standard Evolution
Main improvements of this standard compared with the old version:
- Newly added Photoelectric equipment classification (GD type)
- Extended the kingpin inclination angle measurement range to -5°~+23°
- Clarified electromagnetic compatibility requirements (referenced GB/T 18268.1)
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