Pogo pin is a spring-type probe formed by the three basic components of
needle shaft, spring and needle tube after being riveted and preloaded by
precision instruments. There is a precision spring structure inside. The surface
coating of pogo pin is generally gold-plated, which can better improve its
anti-corrosion function, mechanical performance, electrical performance and so
on. The needle tip has a sharp needle, a grasping needle, a round needle, a
knife needle, etc.

Pogo pins are generally used for precision connections in electronic
products such as mobile phones, portable electronic devices, communications,
automobiles, medical treatment, and aerospace, which can improve the corrosion
resistance, stability, and durability of these connectors. Since the pogo pin is
a very fine probe, it can be used in a precision connector to reduce the weight
of the connector and the volume of the appearance, which can make the connector
more refined and beautiful.
Pogo pin needle tube, the needle is made by turning and milling one by one
copper rod; the traditional processing method is to use the tool feeder for
processing, and the processed product is not very accurate and low in cost;
Processing applications that do not require high accuracy of Pogo pin
products.
With the prevalence of smart phones and smart wearables, electronic
products are becoming more and more light, thin and compact, and the originally
limited space has become smaller; in order to meet the market demand, the size
of the Pogo pin connector is getting smaller and smaller. Pogo pin accuracy
requirements are getting higher and higher.
The accuracy of Pogo pin products processed by different processing
equipment will definitely be different, so what impact will the processing
accuracy have on the performance of Pogo pin products? Today we will discuss
this.
First of all, the surface finish of the high-precision Pogo pin product is
very high. The surface finish of the outer wall of the needle tube is not
particularly affected. The inner wall is the most affected. If the surface is
very rough, the friction coefficient of the Pogo pin will be when it is
elastically stretched. Very large, there may be stuck; the most important thing
is that the friction coefficient is too large when working, which will cause the
outer wall of the needle of the Pogo pin and the inner wall of the needle tube
to wear very seriously, thereby greatly shortening the service life of the Pogo
pin.
Secondly, the size error of the Pogo pin product is the product processed
with low-precision equipment, the size deviation will definitely be relatively
large, which will bring great trouble to the later assembly and application, and
the cooperation may not be ideal.
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