What is a special-shaped rotary joint?

What is a special-shaped rotary joint? It can be called a special-shaped rotary joint, also known as a special-shaped rotary joint, which is a rotary joint that has significant differences in appearance and function from the commonly seen rotary joints. So which rotary joints are used in what places? Where can I buy special-shaped rotary joints?

Special shaped rotary joints are generally rare in the market, and due to their low usage, merchants are likely not stocking them. Therefore, special shaped rotary joints can only be customized and produced by manufacturers. The development of technology nowadays makes it impossible for many enterprises to meet their existing equipment with new demands. Therefore, many enterprises have started to customize equipment themselves or by demand automation design companies. This type of equipment is different from products on the market, so although the requirements for many components are mostly the same, there are also some parts that have undergone major changes due to actual production needs. Rotary joints will play a great role at this time, but it is also an obstacle because there are no ready-made rotary joints on the market. We can only find manufacturers to customize, and there may be constant modifications required due to various reasons