In the dispensing industry, what is the role of needles?

In the dispensing industry, what is the role of needles?

Dispensing needles for dispensing the role of sex is a very important industry, currently ninety percent of the products you need to use glue to needles, but various types of dispensing needles, is in order to meet the requirements of accuracy and rubber products, precision dispensing needles can adjust and control point glue, the glue amount also has something to do with needles, so the needle is very big, For the current dispensing technology, an indispensable part

Though as technology improves, now have not to use device, dispensing needles on the injection point glue, is not to need to dispensing needles, can still achieve dispensing, effect is very good, gush out point, uniformity is very strong, but for glue and features a high viscosity, cannot be high viscosity glue, glue and take grain demand is high, the price is expensive, application scope is very small, Mainly use 3131 dispensing valve these ordinary valves, are required to configure dispensing needle, dispensing needle role is very big oh