• U Nuts
  • U Nuts

U Nuts



U-NUTS | Threaded 

Which offer a strong, reliable fixing in sheet materials, could applied in motor vehicles, domestic appliances, heavy-duty electrical installations, electrical equipment and machinery.

 

Processing Techniques – Austempering

The heat-treating process for medium-to-high carbon ferrous metals produces a metallurgical structure called Bainite. To increase strength, and toughness, and reduce distortion. During the process that parts are heated to the hardening temperature (between the range of 35-55 HRC), then cooled rapidly enough to a temperature above the Martensite start temperature and held long enough to produce the desired Bainite structure.



Low Carbon Steel

SPHC - Hot rolled steel plate (Commonly used thickness: 2.0mm ~ 12.0mm)

SPCC - Cold rolled steel plate (Commonly used thickness: 0.5mm ~ 3.2mm)

SECC - Galvanized steel sheet (Commonly used thickness: 0.5mm ~ 2.0mm)

SGCC  - Hot dip galvanized sheet (Common used thickness: 1.0mm ~ 4.0mm)

 

Spring Steel

JIS S50C           AISI/SAE/ASTM 1050

JIS S55C           AISI/SAE/ASTM 1055

JIS S60C           AISI/SAE/ASTM 1060

JIS S65C           AISI/SAE/ASTM 1064

JIS S70C           AISI/SAE/ASTM 1070

 

Stainless Steel

1.4301             EN (DIN) X5CrNi18-8          AISI/SAE/ASTM 304



Advantages

Lower die costs - Less expensive to produce and maintain than those used in other common processes.

Lower secondary costs - as cleaning and plating, are also cheaper than similar treatments for other metal fabrication processes.  

The high level of automation compared to other processes - machines are relatively easy to automate and can employ high-end computer-control programs that provide greater precision, faster production, and quicker turnaround times.

 

Disadvantages

The higher cost of presses - The dies must be acquired or created, and producing custom metal stamping dies is a longer pre-production process. Dies can also be difficult to change if the design must be altered during production.

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