18/01/2017
In the intricate world of vehicle maintenance, wheel alignment stands as a critical, yet often overlooked, procedure that directly impacts your car's performance, safety, and running costs. While traditional methods have served their purpose, the advent of advanced technologies has revolutionised how alignment is performed. Among these innovations, the Sharkeye laser wheel aligner has emerged as a frontrunner, offering a blend of accuracy, speed, and user-friendliness that sets it apart. But what exactly is a Sharkeye laser wheel aligner, and why is it becoming an indispensable tool in modern workshops across the UK?
A Sharkeye laser wheel aligner is a state-of-the-art system designed to measure and adjust the angles of your vehicle's wheels to ensure they are perfectly parallel to each other and perpendicular to the ground. Unlike older, more manual methods, the Sharkeye system leverages highly precise laser technology to achieve unparalleled accuracy. This precision is paramount because even minor deviations in wheel angles can lead to significant problems, from uneven tyre wear and poor fuel economy to compromised handling and steering issues. The system typically consists of laser-emitting heads that attach to the wheels, reflective targets, and a sophisticated software interface that processes the measurements and provides real-time data to the technician.
- How Does Laser Wheel Alignment Work with Sharkeye?
- Key Benefits of Opting for a Sharkeye System
- Components of a Typical Sharkeye Laser Aligner System
- Comparison: Sharkeye Laser vs. Other Alignment Methods
- When is Wheel Alignment Necessary?
- Common Alignment Issues Addressed by Sharkeye
- Maintaining Your Sharkeye Aligner
- Frequently Asked Questions (FAQs)
How Does Laser Wheel Alignment Work with Sharkeye?
The operational principle behind a Sharkeye laser wheel aligner is both ingenious and straightforward. Each wheel is fitted with a measuring head that emits a laser beam onto a reflective target mounted on the opposite wheel. For a four-wheel alignment, this means four heads are typically used, creating a precise geometric network around the vehicle. These laser beams are then reflected back to sensors within the heads, which calculate the angles based on the position of the reflected light. The data collected by the sensors – including toe, camber, and caster angles – is then transmitted to a computer. The system's software interprets this data, comparing it against the vehicle manufacturer's specifications. If discrepancies are found, the software provides clear, step-by-step instructions to the technician on how to adjust the suspension components to bring the wheels back into perfect alignment. This real-time feedback and visual guidance make the process incredibly efficient and minimise the chance of human error.
Key Benefits of Opting for a Sharkeye System
Choosing a Sharkeye laser wheel aligner for your vehicle's maintenance offers a multitude of advantages that extend beyond just accurate alignment:
- Unrivalled Precision and Accuracy: The laser technology employed by Sharkeye systems delivers measurements with incredible precision, often down to fractions of a millimetre or degree. This level of accuracy is virtually impossible to achieve with traditional string or optical methods, ensuring your wheels are perfectly set for optimal performance.
- Enhanced Speed and Efficiency: The digital nature of the Sharkeye system significantly speeds up the alignment process. Measurements are taken almost instantaneously, and the software quickly identifies issues and guides the technician through adjustments. This efficiency means less time spent in the workshop and more time on the road for you.
- Extends Tyre Longevity: One of the most common consequences of misaligned wheels is premature and uneven tyre wear. By ensuring correct alignment, a Sharkeye system prevents scrubbing and excessive friction, significantly extending your tyres' tyre longevity and saving you money on frequent replacements.
- Improved Fuel Economy: When wheels are out of alignment, the engine has to work harder to propel the vehicle forward due to increased rolling resistance. A properly aligned vehicle experiences less drag, leading to better fuel efficiency and reduced running costs.
- Superior Driving Safety and Handling: Correct wheel alignment is fundamental to your vehicle's stability and handling characteristics. It ensures the car tracks straight, responds predictably to steering inputs, and reduces the risk of pulling or drifting. This translates directly to enhanced safety for you and your passengers.
- Cost-Effective Maintenance: While initial alignment might seem like an expense, the long-term savings from reduced tyre wear, improved fuel economy, and fewer suspension component issues make laser alignment a truly cost-effective investment in your vehicle's health.
- Environmental Benefits: By improving fuel efficiency and extending tyre life, accurate alignment also contributes to a smaller carbon footprint, reducing both fuel consumption and the amount of waste tyres.
Components of a Typical Sharkeye Laser Aligner System
A complete Sharkeye laser wheel alignment system typically comprises several key components working in harmony:
- Laser Measuring Heads: These are the core of the system, attaching to each wheel. They contain the laser emitters and optical sensors that take precise measurements.
- Reflective Targets: Mounted on the opposing wheels, these targets reflect the laser beams back to the measuring heads, completing the measurement circuit.
- Digital Display/Computer Unit: This is where the magic happens. The software processes the data, displays real-time readings, compares them to manufacturer specifications, and provides clear adjustment instructions.
- Wheel Clamps: Robust clamps securely attach the measuring heads to the wheels without damaging the rims.
- Turnplates and Slip Plates: While not strictly part of the Sharkeye 'laser' system itself, these are essential workshop accessories used in conjunction with the aligner to allow the wheels to move freely during measurement and adjustment, especially for caster and camber.
Comparison: Sharkeye Laser vs. Other Alignment Methods
To truly appreciate the Sharkeye system, it's helpful to compare it with other alignment methods:
| Method | Description | Pros | Cons |
|---|---|---|---|
| Traditional String/Optical | Uses strings, plumb bobs, and basic optical scopes to measure angles. | Low initial cost, portable. | Highly reliant on technician skill, very time-consuming, less accurate, prone to human error, limited data. |
| Computerised CCD (Charge-Coupled Device) | Sensors on wheels communicate wirelessly to a central computer, measuring angles via infrared light. | More accurate than string, faster setup, digital readouts. | Can be affected by ambient light, requires regular calibration, sensors can be bulky. |
| 3D Imaging Alignment | Uses high-resolution cameras to create a 3D model of the vehicle's suspension and wheels. | Extremely accurate, very fast measurement, no need for perfectly level ground. | Very high initial cost, requires significant workshop space, less portable. |
| Sharkeye Laser Alignment | Uses direct laser beams and reflectors for precise, real-time angle measurement. | High precision, fast and efficient, relatively easy to use, often portable and versatile, good balance of cost and performance. | Requires careful calibration, needs a relatively level surface. |
As the table illustrates, Sharkeye laser aligners strike an excellent balance between accuracy, speed, and cost-effectiveness, making them a popular choice for many professional workshops and mobile alignment services.
When is Wheel Alignment Necessary?
Your vehicle's wheel alignment isn't a 'set it and forget it' affair. Several scenarios warrant a check and potential adjustment:
- After Hitting a Pothole or Kerb: Any significant impact can knock your alignment out.
- When Replacing Tyres: To ensure your new tyres wear evenly from the start.
- After Suspension or Steering Component Replacement: New parts can alter alignment angles.
- If You Notice Steering Issues: Such as the car pulling to one side, a crooked steering wheel when driving straight, or loose steering.
- Uneven Tyre Wear: A tell-tale sign that your wheels are not aligned correctly.
- Regular Maintenance: Many manufacturers recommend checking alignment annually or every 12,000-15,000 miles, even if no issues are apparent.
Common Alignment Issues Addressed by Sharkeye
A Sharkeye laser aligner can precisely diagnose and help correct all primary wheel alignment angles:
- Toe: Refers to how much the front of the wheels points inward (toe-in) or outward (toe-out) when viewed from above. Incorrect toe causes rapid tyre wear and can affect straight-line stability.
- Camber: The inward or outward tilt of the wheel when viewed from the front of the vehicle. Incorrect camber can lead to uneven tyre wear (one side of the tyre wears faster) and affects handling during turns.
- Caster: The angle of the steering axis when viewed from the side of the vehicle. Caster affects steering stability, self-centring, and cornering performance. It generally does not directly cause tyre wear but influences how other angles affect it.
- Thrust Angle: This describes whether the rear wheels are parallel to the vehicle's centreline. An incorrect thrust angle means the vehicle is effectively 'crabbing' down the road, leading to poor handling and accelerated tyre wear.
Maintaining Your Sharkeye Aligner
Like any precision instrument, a Sharkeye laser wheel aligner requires proper care and maintenance to ensure its longevity and continued accuracy. This includes regular cleaning of the laser heads and targets to prevent dust and grime from affecting readings. Crucially, periodic calibration by a certified technician is essential to verify the system's accuracy and make any necessary adjustments. Storing the equipment in a clean, dry environment away from extreme temperatures will also help preserve its delicate electronic components.
Frequently Asked Questions (FAQs)
How often should I get my car's wheels aligned?
It's generally recommended to have your wheel alignment checked annually or every 12,000-15,000 miles, whichever comes first. However, if you hit a significant pothole, replace suspension components, or notice any steering issues or uneven tyre wear, an immediate check is advisable.
Is laser alignment truly better than traditional methods?
Yes, unequivocally. Laser alignment, like that offered by Sharkeye systems, provides significantly higher precision and accuracy compared to traditional string or optical methods. It's faster, less prone to human error, and provides comprehensive digital data for precise adjustments, leading to superior results in terms of tyre wear, fuel economy, and handling.
Can I perform a DIY alignment with a Sharkeye system?
While the Sharkeye system is designed for ease of use by professionals, it is not a DIY tool for the average car owner. Proper wheel alignment requires specialised equipment, technical knowledge of suspension geometry, and the ability to make precise adjustments that can only be done in a professional workshop setting.
What types of vehicles can a Sharkeye aligner be used on?
Sharkeye aligners are versatile and can be used on a wide range of vehicles, from small passenger cars to light commercial vehicles, provided they have the appropriate wheel clamp sizes and the vehicle's manufacturer specifications are available in the system's database.
What's the difference between 2-wheel and 4-wheel alignment?
2-wheel alignment typically only adjusts the front wheels, which is common for older vehicles with non-adjustable rear suspensions. 4-wheel alignment, which is standard for most modern vehicles, adjusts both the front and rear wheels. A Sharkeye system is capable of performing both, providing a comprehensive alignment that considers the relationship between all four wheels for optimal performance and tracking.
In conclusion, the Sharkeye laser wheel aligner represents a significant leap forward in vehicle maintenance technology. Its ability to deliver highly accurate, efficient, and reliable wheel alignment services translates directly into tangible benefits for vehicle owners: extended tyre life, improved fuel economy, enhanced driving safety, and a more comfortable driving experience. For any vehicle owner in the UK, understanding the importance of precise wheel alignment and seeking out workshops equipped with advanced systems like Sharkeye is a smart decision for both your vehicle's health and your wallet.
If you want to read more articles similar to Sharkeye Laser Wheel Alignment Explained, you can visit the Maintenance category.