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Whether good or bad influence to the performance of glue dispensing into the
Publish：SHENZHEN CITY XINYUAN LIJING TECHNOLOGY CO.LTD.  Time：2016-03-28
Automatic dispensing machine equipment itself is to control the glue spit and spit out the time of the device, before the use of dispensing machine must affect the quality of dispensing glue problem out: in dispensing glue, glue must not have a bubble, a little stingy will cause many pads have no glue, cause air fight the phenomenon, resulting in the unqualified products, so each midway replacement tube must be emptying connection, for the curing of the glue, general manufacturers has been given temperature curve. In practice, it should be possible to use a higher temperature to solidify, so that the glue is solidified and has sufficient strength.
So what are the common problems of automatic dispensing? Then Xinyuan immediately Xiaowen for everyone to talk about:
1 glue properties: ordinary glue dispensing machine with a single component, AB glue using double liquid dispensing machine, PU glue using PU glue dispenser and UV glue used specific needle dispensing.
2, the glue component: usually often use glue: epoxy resin, UV glue, silica gel, anaerobic adhesive, instant glue, etc., if AB two-component adhesive must also consider the proportion of it.
3 and dispensing quantity size: dispensing quantity size as long as it is by dispensing duration to determine the length, the longer the time. According to our experience dispensing quantity more. Adhesive dot diameter size should be for 1 / 2 of the spacing of the products. This will ensure that there is enough glue to bond components and avoid excessive glue caused by waste.
4, the work efficiency and the environmental impact of products: less, not the pursuit of efficiency, the use of manual dispensing machine; the outdoor work, the use of glue gun. Requires precise control of the contest, the use of the machine. Automatic dispensing, with automatic function machine (high cost, high efficiency).
5, dispensing costs: dispensing scheme multiple variety, not all dispensing need to use the machine, not all automated dispensing must attached to the dispenser. From the cost considerations, if some glue needs to use too high priced machine, you can consider changing the glue. If the automatic dispensing machine with price is too high, can be considered mobile products instead of the dispensing head.
6, needle size and species: the size of a pinhead will influence the glue size and precision, when the pressure is certain, the needle tip more, glue the greater, should according to the size of the products to select the dispensing needle, general needle diameter size should be about dispensing adhesive dot diameter of 1 / 2, the best.
7, the glue of the viscosity of the flow to the nature: the more the worse the flow of glue it, the more thick, more complex equipment.
8, AB glue dispensing machine in the use of pressure size: the size of the pressure decided for glue and glue the outflow speed, glue liquidity worse it is thick, it need the pressure bigger, should according to glue properties, environment temperatures and dispensing quantity size to selection pressure, ambient temperature high will make glue viscosity, liquidity good, then lowered pressure value; conversely, to increase the pressure (through the adjustable pressure valve to regulate).

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SHENZHEN CITY XINYUAN LIJING TECHNOLOGY CO.,LTD.
Phone: 0755-27463209
     Fax: 0086+0755-61673089
    Add: Baoan District City, Songgang, Songgang, Shenzhen, Langhui street 8