Wagner SprayTech 7000 Manuel D’Utilisation

  

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gener al  v Iew  of  appl Ic at Ion

The main area of application are thick layers of highly viscous 

coating material.

At the Super Finish 7000 unit a diaphragm pump takes in the 

coating materials and transports it via a high-pressure hose 

to the spray gun with the airless tip. Here the coating material 

atomizes since it is pressed through the tip core at a maximum 

pressure of 25 MPa (250 bar, 3625 psi). This high pressure has 

the effect of micro fine atomisation of the coating material.

As no air is used in this process, it is described as an AIRLESS 

process.

This method of spraying has the advantages of finest atomisa-

tion, cloudless operation (depending of a correct unit adjust-

ment) and a smooth, bubblefree surface. As well as these, the 

advantages of the speed of work and convenience must be 

mentioned.

The following section contains a brief description of the tech-

nical construction for better understanding of the function:

Super Finish 7000 is an electrically driven high-pressure paint 

spraying equipment.

The motor (Item 1) drives directly the hydraulic pump.

A piston (2) is moved up and down so that hydraulic oil is 

moved under the diaphragm (3) which then moves.

In detail:

The downwards movement of the machine opens the disk in-

let valve (4) automatically and coating material is sucked in.

During the upwards movement of the diaphragm, the coating 

material is displaced and the outlet valve (5) opens while the 

inlet valve is closed.

The coating material flows under high pressure through the 

high-pressure hose to the spray gun and is atomized when it 

exists from the tip.

The pressure control valve (6) limits the set pressure in the 

hydraulic oil circuit and thus also the pressure of the coating 

material.

A pressure change when the same tip is used also leads to a 

change in the amount of paint  atomized.