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    环氧地坪漆喷涂施工技巧及注意事项

    2019-05-02 21:17:58 无锡盛发地坪科技有限公司 阅读

    环氧地坪漆施工中,使用高压无气喷涂能达到比辊涂(参考:环氧地坪漆【辊涂】施工方法介绍)更好的表观效果。更高的光泽度,更高的耐磨度(无气喷涂环氧地坪漆几乎不添加稀释剂)。环氧地坪漆喷涂法施工操作技巧:1、环氧地坪漆需调至合适喷涂的粘度,以涂-4粘度计测量,合适的粘度一般是20~30秒。

    In the construction of epoxy floor paint, the use of high-pressure airless spraying can achieve better apparent effect than roller coating (reference: floor paint [roll coating] construction method introduction). Higher gloss, higher wear resistance (airless spray floor paint hardly adds diluent). Operation skills of spraying method of epoxy floor paint: 1. Epoxy floor paint should be adjusted to the appropriate spraying viscosity, which is measured by coating-4 viscometer. The appropriate viscosity is usually 20-30 seconds. 如一时没有粘度计,可用目测法:用棒(铁棒或木棒)将油漆搅匀后挑起至20厘米高处停下观察,如地坪漆漆液在短时间(数秒钟)内不断线,则为太稠;如一离桶上沿即断线则为太稀;要在20厘米高处刚停时,地坪漆漆液成一直线,瞬间即断流变成往下滴,这个粘度较为合适。

    If there is no viscometer at the moment, visual measurement can be used: stir the paint with a stick (iron bar or wooden bar) and then pick it up to 20 centimeters high to stop for observation, such as the floor paint liquor is too thick in a short time (seconds); if it is too thin along the break line off the barrel; when it stops just at 20 centimeters high, the floor paint liquor becomes a straight line, and instantly breaks into drops, which is more suitable for viscosity. Appropriate.

    2、喷嘴与物面的距离一般以300-400毫米为宜。过近易流挂;过远漆雾不均匀,易出现麻点,且喷嘴距物面远漆雾在途中飞散造成浪费。距离的具体大小应根据地坪漆的种类、粘度及气压的大小来适当调整。慢干地坪漆喷涂距离可远一点,快干地坪漆喷涂,距离可近一点;粘度稠时可近一点,粘度稀时可远一点;空气压力大时,距离可远一点,压力小时可近一点;所谓近一点远一点是指10毫米-50毫米之间小范围的调整,若超过此范围,则难以获得理想的地坪漆漆膜。

    2. The distance between nozzle and object surface is generally 300-400 mm. It is easy to hang near, uneven paint fog far away, easy to appear pockmarks, and paint fog far away from the surface of the nozzle will cause waste in the way. The specific size of the distance should be adjusted according to the type of floor paint, viscosity and air pressure. Slow dry floor paint spraying distance can be a little farther, fast dry floor paint spraying distance can be a little closer; Viscosity can be a little closer, viscosity can be a little farther; Air pressure is large, distance can be a little farther, pressure hours can be a little closer; The so-called near point farther point is a small range of adjustment between 10 mm and 50 mm, if beyond this range, it is difficult to obtain the ideal floor paint film.

    3、喷枪可作上下、左右移动,最好以10-12米/分的速度均匀运作,喷嘴要平直于物面喷涂,尽量减少斜向喷涂。当喷到物面两端时,扣喷枪扳机的手要迅速的松一下,使漆雾减少,因为物面的两端,往往要接受两次以上的喷涂,是最容易造成流挂的地方。

    3. The spraying gun can move up and down, left and right. It is better to operate uniformly at a speed of 10-12 m/min. The spraying nozzle should be straight to the surface of the object and oblique spraying should be minimized. When spraying to both ends of the object surface, the trigger of the spray gun should be loosened quickly to reduce the paint mist, because the two ends of the object surface often have to accept more than two sprays, which is the most likely place to cause hanging.

    4、喷涂时要下一道压住上一道的1/3或1/4,这样才不会出现漏喷现象。在喷涂快干地坪漆时,需一次按顺序喷完。如补喷会造成不理性的地坪漆漆膜效果。

    4. When spraying, one-third or one-fourth of the previous one should be pressed down by the next one, so that there will be no leakage spraying. When spraying quick-drying floor paint, it needs to be sprayed in sequence at one time. If spraying can cause unreasonable floor paint film effect.

    5、在室外空旷的地方喷涂时,要注意风向(大风时不宜作业),操作者要站在顺风方向,防止地坪漆漆雾被风吹到已喷好的漆膜上造成难看的粒状表面。

    5. When spraying in open outdoor areas, attention should be paid to the direction of wind (not suitable for operation in strong wind). Operators should stand in the direction of downwind to prevent the mist of floor paint from being blown to the ugly granular surface of the sprayed film.

    6、喷涂的顺序是:先难后易,先里后外。先高处后低处,先小面积后大面积。这样就不会造成后喷的地坪漆漆雾飞溅到已喷好的漆膜上,破坏已喷好的地坪漆漆膜。

    6. The order of spraying is: first difficult, then easy, first inside and then outside. First high and then low, first small area and then large area. In this way, it will not cause the fog of the back-sprayed floor paint to splash onto the sprayed paint film and destroy the sprayed floor paint film.


    环氧地坪漆高压无气喷涂施工注意事项

    Points for Attention in High Pressure Airless Spraying Construction of Epoxy Floor Paint:

    1、喷涂压力和流量

    1. Spraying Pressure and Flow

    对某一型号的无气喷涂设备,当使用的涂料黏度不变、输入的压缩空气压力一定时,其喷涂压力和流量之间的关系为:流量增大,喷涂压力降低。当输入的压缩空气的压力升高时,喷涂压力和流量便相应增加。

    For a certain type of airless spraying equipment, the relationship between spraying pressure and flow rate is that the flow rate increases and the spraying pressure decreases when the viscosity of the coatings is constant and the input compressed air pressure is constant. When the pressure of compressed air is increased, the spraying pressure and flow rate will increase accordingly.

    2、地坪漆材料黏度与喷涂压力

    2. Viscosity and Spraying Pressure of Floor Paint Material

    不同类型的地坪漆材料黏度不同,高固体分涂料的黏度尤其大,比如无溶剂类高固含量的环氧树脂涂料。黏度越高,施工时需要的喷涂压力越大。一般低黏度涂料的压力比选择23:1、32:1,而高黏度涂料的施工压力比一般在45:1左右。但不能一味增加喷涂的压力,喷涂高黏度涂料时,还应考虑更换大口径的喷嘴。

    Different types of floor paint materials have different viscosities, especially high solid coatings, such as solvent-free epoxy resin coatings with high solid content. The higher the viscosity is, the higher the spraying pressure is. The pressure ratio of low viscous coatings is 23:1 and 32:1, while that of high viscous coatings is about 45:1. However, the pressure of spraying can not be increased blindly. When spraying high-viscosity coatings, the replacement of large-caliber nozzles should also be considered.

    3、喷嘴的选择

    3. Selection of nozzles

    在进行高压无气喷涂前,根据所使用的涂料和喷涂对象,应选择一定孔径和形状的喷嘴。喷嘴的孔径决定了流量的大小,喷嘴的形状则决定了喷雾的幅度。对于你那度较高、所需施工面积较大的涂料,应选择孔径较大的喷嘴。

    Before high pressure airless spraying, nozzles with certain aperture and shape should be selected according to the coating and spraying object used. The size of the nozzle determines the size of the flow, and the shape of the nozzle determines the amplitude of the spray. For coatings with higher degree and larger construction area, nozzles with larger aperture should be selected.


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