Zipper Fin Heat Sinks

    Heat sinks are commonly used in electronic circuits to dissipate heat generated by electronic components, one of the most popular types of heat sinks is the zipper fin heat sink, the zipper fin heat sink has a unique design that allows for efficient heat transfer, making it an attractive choice for electronic applications. 

   Zipper fin heat sink creates a large surface area for heat transfer due to its unique design, which allows for efficient cooling for electronic components, the manufacture of zipper fin heat sinks involves several steps, including extrusion, stamping, and surface treatment.

  Extrusion is the first step in the manufacturing of zipper fins. The extrusion process involves feeding a block of aluminum alloy into a press, where it is heated to a temperature of about 500°C, the heated aluminum is then forced through a die to make the aluminum sheets, the thickness of aluminum sheet determins the zipper fin thickness

  Stamping is the most important step for making the zipper fins, Stamping process is removing excess material from the extruded aluminum sheet to create a designed individual fins. The stamping process involves pressing and bending the aluminum sheets to create the required shape and dimensions, the zipper fin heat sink usually consists of zipper fins and base, the stamping process ensures that the fins are uniform in size and shape to maximize the efficiency of heat transfer.

  The final step in the manufacturing process is surface treatment, surface treatment involves a range of techniques that improve the appearance and functionality of the heat sink. The surface of the heat sink is cleaned to remove any debris or contaminants. Nickel plating is a common surface treatment technique used on aluminum zipper fin heat sinks, due to the zipper fin heat sink is usually soldered by aluminum fins and plate, the aluminum fins and plate have to be nickel plated so they can be soldered together by the solder paste.

Varieties of heat sink

Thermal simulation

Factory and workshop

 

Certificates

  Sinda Thermal is a leading thermal manufacturer in China, our factory was founded in 2014, and located in Dongguan city, China, we are offering varieties of heatsinks and other precious metal parts. Our plant possesses 30 sets advanced and high precious CNC machines and stamping machines, also we have many testing and experiment instruments and professional engineering team, so our company can manufacture and provide high quality products with high precision and excellent thermal performance. Sinda Thermal is commited to a range of heat sinks which are widely used in new power supply, New energy vehicles, Telecommunications, Servers, IGBT, and Madical. All the products accord with Rohs/Reach standard, and the factory is qualified by ISO9001 and ISO14001. Our company has been a partner with many customers for good quality, excellent service and competitive price. Sinda Thermal is a great heat sink manufacturer for the global customers .


FAQ
1. Q: Are you a trading company or manufacturer?
    A: We are a leading heat sink manufacturer, our factory has been founded over 8 years, we are professional and experienced.

2. Q: Can you provide OEM/ODM service?
    A: Yes, OEM/ODM are available.

3. Q: Do you have MOQ limit?
    A: No, we don't set up MOQ, prototype samples are available.

4. Q: What's the lead time of the production?
    A: For prototype samples, the lead time is 1-2 weeks, for mass production, the lead time is 4-6 weeks.

5. Q: Can I visit your factory?
    A: Yes, Welcome to Sinda Thermal.

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