The wheel rotation precision testing machine (also known as the wheel dynamic balance and runout comprehensive detector) is a dedicated device specifically designed for high-precision measurement of t ...
The wheel rotation precision testing machine (also known as the wheel dynamic balance and runout comprehensive detector) is a dedicated device specifically designed for high-precision measurement of the geometric accuracy (radial runout, end face runout) and mass distribution (dynamic balance) of bicycle, electric bicycle, motorcycle and car wheels in a rotating state. It combines static size measurement and dynamic performance analysis, and is a core equipment for high-end wheelset manufacturing, research and development, and quality control.
Compared with the basic wheel rim wobble testing machine (mainly for static/low-speed runout measurement), the rotational accuracy testing machine places more emphasis on comprehensively evaluating the dynamic stability and inertial force balance of the wheel under simulated rotational conditions.
Technical parameters
| Parameter | Specification |
|---|---|
| Dial Indicator Measurement Accuracy | 0.01 mm |
| Max Measuring Length | 300 mm |
| Max Measuring Diameter | 700 mm |
| Chuck Concentricity | < 0.1 mm |
| Overall Dimensions (W×D×H) | 1000 × 800 × 900 mm |
| Weight (approx.) | 60 kg |
Test principle:
It is used to measure the radial and axial circular runout of wheels, and is equipped with measuring tools for radial, axial and the gap between the tire and its accessories. The measuring tool has an accuracy of 0.01mm; it also has the function of automatically recording the maximum runout and the maximum gap. It has sufficient strength to meet the testing requirements of samples of different sizes and models and can be frequently used without easy damage.
Applicable Standards
1.International Standards:
ISO 4210-7: Bicycles - Safety requirements (Part 7: Wheels - Test methods) - It has requirements for the assembly accuracy of wheels, which indirectly stipulates the allowable range of runout.
ISO 1940-1: Mechanical vibration - Requirements for the quality of balancing of rigid rotors in a constant state (Some high-end wheelsets refer to this standard for dynamic balance grading).
2.Chinese National Standard:
GB 3565: Safety Requirements for Bicycles.
GB/T 19905: General Technical Conditions for Bicycle Wheels.
3.Enterprise standards:
Most high-end wheelset brands (such as Shimano, DT Swiss, Campagnolo) and bicycle manufacturers (such as Trek, Giant, Specialized) have their own strict internal control standards.
Purchasing Suggestions
If you are considering purchasing this type of equipment, the following points need to be given priority consideration:
1.Clarify test requirements: Static yaw vs. Dynamic accuracy
If only static runout (such as rapid spot checks on production lines) needs to be measured, a rim wobble testing machine (manual or electric) can suffice, and the cost is relatively low.
If dynamic balance testing is required, or if extremely high precision in radial and end face runout is demanded (such as for high-end competition wheelsets), a rotary precision testing machine must be selected.
2.Sensor Configuration and Accuracy:
Laser sensors: Pay attention to their sampling frequency (which determines the density of points) and spot size (which affects the resolution of fine defects).
Force sensor: Pay attention to its sensitivity and frequency response range to ensure that it can capture weak unbalance signals.
3.Software Functionality and User Experience:
Whether the software interface is intuitive and can display polar coordinate graphs in real time (to visually identify the positions of high and low points) and unbalanced phases.
Does it have data statistics and analysis functions (such as CPK, trend charts)?
Can the judgment criteria be customized to set different qualified ranges for wheels of different models?
4.The adaptability and degree of automation of fixtures:
Evaluate the changeover speed and versatility of the fixture. Is it manual clamping or pneumatic quick-change? Can it be compatible with various hub widths and shaft diameters?
For production lines, the cycle time is crucial. Does the stated measurement time of the equipment include loading and unloading time?
5.Calibration and Maintenance:
The dynamic balance testing system needs to be calibrated regularly with standard rotors. Ask the supplier if they provide calibration services and standard parts.
Cleaning and maintenance requirements for laser sensors.
6.Data interface:
Confirm whether the data output format of the equipment can be seamlessly integrated with your MES system.
If you have specific testing requirements (for example: is it for testing the wheels of mass-produced shared bikes or high-end carbon fiber racing wheelsets? Do you need a dynamic balance function? What are the production line cycle time requirements?), please feel free to communicate further. We can help you analyze the more suitable equipment configuration.
