Nickel Plated Piano Hinge
Weight Range ： 0.5g–500kg
Dimensional tolerance ： ±0.1mm
Please provide product specifications so that we can offer specific pricing and MOQ.
The surface nickel layer thickness of a nickel plated piano hinge is typically controlled between 6 and 8 micrometers, ensuring no peeling over long-term use. In a continuous 1 million cycles of small-angle opening and closing fatigue test, its torque decay rate is less than 5%, while ordinary cold-rolled steel hinges often exceed 20% after the same number of cycles. This means it can maintain smooth operation in automated equipment, access doors that open and close frequently, and other scenarios, without causing abnormal noise or jamming due to loosening, significantly improving reliability.
This hinge also possesses excellent environmental adaptability. At a low temperature of minus 20 degrees Celsius, its opening torque remains stable within 0.2 Nm, and it does not become difficult to open or close due to thermal contraction. Meanwhile, after a 48-hour accelerated corrosion test in sulfur dioxide, the nickel-plated surface shows no pitting or rust spots, proving its good resistance to industrial acidic atmospheres. Therefore, whether installed on outdoor cabinets in cold regions or protective covers in chemical plants, the nickel-plated piano hinge maintains stable mechanical performance and appearance quality, greatly reducing maintenance costs caused by corrosion or low-temperature failure.
About Us
Joyear Metalwork specializes in producing various types of piano hinges. More than 30 years of production experience has turned us into a leader in the industry.
Our products are exported to North America, Europe, Southeast Asia and other countries with high quality and excellent service.
SPECIFICATION
Benefits
★ Excellent corrosion resistance
The nickel plating layer can effectively isolate moisture and chemicals and prevent the hinge from rusting. After neutral salt spray testing, nickel-plated piano hinges can last for 120 hours without red rust, while ordinary steel hinges usually begin to corrode within 48 hours. This makes it ideal for use in humid environments such as bathrooms, kitchens, marine equipment, etc. It can maintain smooth opening and closing for a long time without frequent replacement.
★ Stable load-bearing capacity
The long strip design of the piano hinge spreads the load across the entire mounting surface, and the nickel plating further enhances surface hardness. Tests have shown that nickel-plated piano hinges can safely withstand a static load of 150 kilograms per 30 centimeters of length with less than 0.5 millimeters of deformation. This feature makes it ideal for heavy-duty lids, machinery guards and stage equipment, ensuring it won't sink during long-term use.
★ Excellent fatigue resistance
Frequent opening and closing will cause ordinary hinges to wear quickly, but the surface hardness of the nickel plating layer can reach HV 500 (Vickers hardness). With the porous and evenly distributed structure of the piano hinge, after 500,000 cycle opening and closing tests, the hinge gap increment is only 0.1 mm. This means that in an application scenario where it is opened and closed 100 times a day, it can still maintain precise fit for more than 13 years, significantly reducing maintenance costs.
★ Smooth and beautiful
The nickel-plated surface has a bright metallic luster and a friction coefficient as low as 0.15, making it difficult for dust and stains to adhere. Laboratory tests show that after ink is attached, only 2 Newtons of wiping force is needed to completely clean it, while ordinary matte hinges require more than 7 Newtons. This makes it widely used in medical equipment, food processing lines and display cabinets, which not only improves product quality but also meets hygiene standards.
why choose us
► High installation accuracy
After nickel plating, the dimensional stability is excellent, and the cumulative deviation of the hole position of the hinge per meter length is less than 0.2 mm. There is no need to expand holes or adjust during installation, and the screws can be quickly aligned, greatly shortening assembly time, and is especially suitable for
mass production.
► Strong resistance to fretting wear
The nickel plating layer also has a solid lubrication effect, and the friction coefficient is as low as 0.12. Under vibration conditions, the amount of fretting wear is 30% less than that of ordinary hinges, and the joints are less likely to loosen, extending the equipment maintenance cycle.
► Wide temperature range adaptability
It can work stably in the range of -40°C to 150°C without peeling off the nickel plating layer. After high and low temperature cycle testing (10 hot and cold shocks), the adhesion still reaches level 5B, which is suitable for outdoor, cold storage or high-temperature cabinet environments.
► Outstanding cost performance
Compared with 304 stainless steel piano hinges, the cost of nickel-plated models is about 40% lower, but the salt spray life can reach 120 hours, which is close to the performance of stainless steel. Excellent corrosion and wear resistance for a mid-range budget and great value for money.
Leaf & Hole Type
Tooling Manufacturing
Make tooling according to the confirmed drawing, do the modification if needed while testing.
Sample Approval
Make first samples, send them to the customer for approval.
Production & Shipping
Strictly produce the goods as per the drawings and first samples.
Packed well after final inspection and ship to customers.
Drawing Design & Confirm
Get drawings from customers, or design drawings according to customers' details requests or sample.
Both parties confirm the drawings.
Price & Order
Quote and confirm order quantity, specify all the details including trade terms, payment terms, type of package, etc.
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