What are the advantages of a rotary probe with a dual‑head design?
Release date:
2021-08-11
The rotary probe with a double-ended tip is a precision electronic hardware component, primarily composed of three parts: a spring, a probe tube, and a needle tip. It is also known as a “spring pin.” As the name suggests, a spring pin is indeed related to springs, but it is not literally made of spring material—this is a common misconception. Instead, it incorporates an internal spring mechanism, which is quite distinct from a conventional spring. This is a highly precise electronic component with powerful functionality.
What are the advantages of a rotating probe with a dual‑head design?
The rotary probe with a double-ended tip is a precision electronic hardware component, primarily composed of three parts: a spring, a probe tube, and a needle tip. Also known as a “spring pin,” the name suggests that it involves a spring; however, this is misleading—these pins are not literally made of spring material. Instead, they feature an internal spring mechanism, which is quite distinct from a conventional spring. As highly precise electronic components, they perform critical functions.
Rotary probe dual‑head probes are widely used, primarily in the mobile phone, computer, and telecommunications industries. Virtually every sector that employs integrated circuits is advancing toward semiconductor‑based testing, with the chip‑packaging test segment representing the largest demand.
1. Products suitable for double-ended probes and rotary probes
The rotary probe with dual tips is ideal for applications requiring rapid connection and disconnection between the two ends of a spring‑loaded pin. Because both ends can mate with the PCB and the mating component, it eliminates the need to solder one end, offering flexible mating and making it well suited for housing‑type connectors that do not require soldering—such as watch housings and speaker enclosures in mobile phones. During assembly, the springs must be installed into the housing in two separate steps, which increases the complexity of the spring‑and‑housing assembly process. In high‑volume production, even a single additional step in the spring‑installation process can reduce overall throughput.
2. Advantages of the rotary probe and the double-ended probe:
(1) All components feature vacuum‑deposited coatings, including hard gold plating and thick gold‑nickel plating; these coatings offer excellent wear resistance, stable electrical resistance, and superior contact performance.
(2) The needle bar undergoes heat treatment to enhance hardness and toughness.
(3) Meet the requirements of RHOS
(4) The syringe has tight tolerances and high hardness; the spring exhibits excellent fatigue resistance.
(5) Imported lathes: tight tolerances, excellent surface finish
(6) Precision-assembled grinding tools, with minimal runout and smooth sliding.
(7) Corrosion: to enhance the adhesion of the coating: at both ends of the same detector
(8) Different materials may have varying electroplating thicknesses. To ensure overall wear resistance and durability,
The foregoing describes the advantages of the rotary probe with a dual‑head design. This dual‑head probe is characterized by a tubular body and two pins mounted at its ends, with a through‑hole extending along the length of the tube. A spring is housed within this through‑hole, with each end of the spring abutting one of the two pins. By employing this design, it becomes possible to insert a single spring into the socket while retaining both pins, thereby reducing the assembly steps required for the spring and the tube compared to using two separate springs. Furthermore, because the tubular body of the socket is simplified, the connector’s material and weight are reduced, lowering costs and enhancing portability and ease of handling.
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