AS60 Aluminium Roller
Description
Wika Normal V-Groove Aluminium Roller: Movement Engineering and Stable Alignment in Sliding Tracks
In aluminium sliding systems, the primary factor that solidifies the overall quality of a door or window in the user’s mind is “smooth movement, silence, and the absence of vibration.” The Wika normal V-groove aluminium roller (bearing) is one of the key motion fittings that, thanks to its engineered angled groove, establishes flawless axial contact on V-tracks.
The result of this precise alignment is the permanent coaxial centering of the wheel within the track geometry, the elimination of lateral play, and the prevention of uneven profile wear over years of continuous operation.
Engineering Advantages of the V-Groove Geometry and Aluminium Bearing Body:
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Alloy Body: Lightweight, Rigid, and Weather-Resistant: The chassis and body are crafted from engineered aluminium. In addition to reducing dead load on the system, this material offers exceptional resistance to environmental moisture, salt spray, and corrosive gases, preventing localized oxidation and jamming in humid or industrial climates.
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Central Guidance Without Track Derailment: The standard V-groove angle on this roller’s wheel harnesses lateral forces caused by rapid operation or wind suction, keeping the wheel continuously locked in the track groove. This prevents sash swaying and protects sealing gaskets.
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Industrial Bearing with Minimal Friction Coefficient: Equipped with a precision-toleranced industrial bearing to minimize rolling friction, ensure effortless sliding (even for large dimensions), and prevent impact, oscillation, and intermittent sticking.
Engineering Guide: Selecting Bearings by Sash Weight and Height
In modern sliding structures, selecting the type and number of bearings is not solely dependent on pure glass weight; sash height and moment arm play a decisive role. As window height increases, bending moments from wind pressure and handle operation impose asymmetric loads on the rollers. The type (single or dual wheel) and quantity are selected accordingly to match the load capacity: typically, single-wheel bearings support up to ~70 kg, dual-wheel bearings up to ~120 kg, and paired four-wheel configurations can handle up to ~200 kg per sash standardly.
FAQ:
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Q1: What is the difference between V-groove and U-groove Wika rollers?A: V-groove rollers are specifically designed for pyramid-shaped tracks to maintain straight, deviation-free motion via two inclined contact lines, whereas U-groove models are used for rounded tubular tracks.
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Q2: Can this product be installed on thermal-break profiles?A: This model is optimized for normal (non-thermal) sliding sections. For heavy thermal-break systems, Alaks’ dedicated thermal-break roller series is recommended.
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Q3: Why is an aluminium body superior to plastic or zamak?A: Aluminium maintains its strength without suffering from brittle fracture or thermal warping under direct sunlight, and it is entirely rust-proof against moisture.
Industrial-Scale Quality: The Wika Brand Commitment
Alaks Iran Kish, leveraging specialized expertise, precision machinery, and holding the National Standard Mark, delivers architectural hardware that secures manufacturer reputation and guarantees consumer peace of mind. For sample requests, official workshop pro forma invoices, and wholesale price inquiries, contact the Alaks sales and engineering department at +98 912 006 7165 or visit alaksiran.com.
