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Category of road marking machine---cold paint road marking machine

Apr 10,2017

Road marking machine is a machine marking all kinds of traffic lines. The category of road marking machine is conditional upon paint type. Generally, road marking machine has three types: cold paint road marking machine, hot solvent road marking machine and hot-melt paint construction machine.

Cold paint road marking machine is used mostly currently. It can be classified into hand-push type and vehicle-mounted type according to construction mode.The former is mainly used in pedestrian crosswalk line, parking direction line, parking line and small-scale construction; and the later is a self-propelled road marking line that is refitted by adopting special chassis, it is quick and flexible in construction, and can carry out large-scale line marking construction, and is mainly used to mark lines on high-speed road. 

Pursuant to spray mode, cold paint road marking machine can be classified into low-pressure air road marking machine and high-pressure air-free spray road marking machine.

Low-pressure air road marking machine makes use of low pressure air to produce negative pressure in front of spray mouth to suck out the paint in container, and then makes the paint atomize, and sprays it on the road to form marking line coatings.  Air spray mode could let the paint atomize well. The paint, however, flies apart badly owe to air rebound, so the marked line has rough edge. Thus, the machine only can spray low-adhesive paint.In our country’s road marking construction, high pressure air-free spray road marking machine has substituted the low-pressure air road marking machine owing to many defects of air spray. 

High pressure air-free spray road marking machine has a good spray effect. Although its atomization is not as fine and smooth as air spray, no air rebound, so the marked line is tidy and full; besides, the machine has a powerful spray, can spray high-adhesive paint, line marked by it has good adhesion, and the life span of its marking line coating is obviously longer than air-free spray. High pressure air-free spray road marking machine has two types of diaphragm type and plunger pump.


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