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On vertical injection molding machine uneven colouring up front

by:Hisson     2021-01-06
The needs of the injection molding product increases, its impetus of vertical injection molding machine usage is also in constant growth. Vertical injection molding machine in the injection molding industry occupies a considerable proportion of the use of the equipment, of course, there are some vertical injection molding machine manufacturer brand efforts, and the most outstanding is vertical injection molding machine with high degree of automation, strong adaptability, yield power and its advantages of short production cycle. When the injection molding in the injection molding equipment, or because of improper operation, or due to the unit which will inevitably have some problems, today we can about the vertical injection molding machine injection molding machine manufacturer and you appear at runtime the uneven color, we should be how to solve for the discussion. When there is uneven colouring of vertical injection molding machine, it has the following several reasons: reason one: it may be because the plastic or colorants its stability is poor, cause uneven colouring. When this causes uneven colouring, this requires our manufacturer before the injection production must will production conditions are fixed, especially in the case of feed temperature, feed rate and the production cycle. Reason two: to the modelling of different plastic products of its parts and the gate, in the form of presence for a different location for the plastic packing condition. For all these reasons, it may cause local parts have off color, for that, if necessary, need to change. Three reasons: the crystal type of plastic the cooling time sometimes inconsistent, causing uneven colouring. For this situation, we should try to make sure every part of the cooling speed consistent parts, if the wall thickness of big differences, we can use for color difference masking colorant, for wall thickness is uniform parts, we should fix the material temperature and mould temperature. Reason 4: may also be caused because of the color difference. At this point we can choose to view under the standard light source. In the case of vertical injection molding machine of uneven coloring may also have other reasons, its vertical injection molding machine can have a molding complex, the size is accurate or plastic with metal insert of fine and close texture, widely used in national defense, electrical, automotive, transportation, building materials, packaging, agriculture, education and health, and in all areas of People's Daily lives.
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