The disclosure relates to a coating method for coating a component with a coating agent, comprising the following steps: moving an application device over a component surface of the component to be coated, delivering a coating agent jet (9) from the application device to the component surface that is to be coated, defining switching points on the component surface for initiating a switching action, in particular for switching on or switching off a coating agent jet, and performing the switching action when one of the switching points is reached. The disclosure provides the following steps: marking the switching points on the component surface by generating a switching marking on the component surface at the individual switching points, detecting the switching markings corresponding to the individual switching points during movement of the application device, and performing the switching actions when the switching markings are detected on the component surface. The disclosure further includes a corresponding coating installation.

A coating apparatus can include a spray applicator configured to discharge a coating material toward a surface of a workpiece, wherein the spray applicator includes an air shaping orifice, and wherein the spray applicator is configured to generate an electric field between the spray applicator and the workpiece, and a positioning system configured to adjust a position of the spray applicator relative to the surface of the workpiece. It can further include a control system configured to regulate operation of the spray applicator and/or the positioning system to: maintain the spray applicator within a coating distance, maintain a flow rate of shaping air through the air shaping orifice, and maintain an electrical potential of the electric field.

A rotary atomization head is provided, which prevents discharged threads of a coating material from making contact with each other and from being unified. A rotary head 1 includes: a diffusion surface 122 to diffuse the coating material toward an outer edge part 123 by centrifugal force; and a plurality of grooves 124 formed on the outer edge part 123. The plurality of grooves 124 extends in a radial direction. The adjacent grooves 124 have different depths. The grooves 124 have the same width.

An applicator is disclosed for applying a treatment solution to a treatment site of a patient. The applicator can include an applicator housing comprising a treatment solution reservoir. A cartridge can be removably disposed in the housing. The cartridge when arranged in the housing can be in fluid communication with the treatment solution reservoir. The cartridge can include an electrostatic module for electrostatically charging the treatment solution in the treatment solution reservoir; and a nozzle for applying the treatment solution.

An air turbine drive spindle capable of suppressing a pressure increase inside a through hole is provided. A spindle includes a rotary shaft and an outer circumferential member (a housing assembly, a cover and a nozzle plate). The rotary shaft is provided with a through hole. The outer circumferential member includes a bearing sleeve configured to surround at least a portion of an outer circumferential surface of the rotary shaft. The outer circumferential member includes a gas supply portion and a gas exhaust hole. The spindle includes a second gas exhaust portion (a first gas exhaust hole and a first gas flow passage). The second gas exhaust portion is independent of the gas exhaust hole and continuous to outside from a gas exhaust space.

The invention relates to a coating method for coating a component surface (4) with a coating agent, in particular for painting a motor vehicle body component with a paint, having the following steps: ⋅ emitting a spray jet (1) of the coating agent onto the component surface (4) of the component to be coated by means of an atomizer (2), said spray jet (1) having a main axis (5) and having an asymmetry with respect to the main axis (5) such that the spray jet (1) generates a spray pattern with a corresponding asymmetry on the component surface (4), and ⋅ at least partially compensating for the asymmetry of the spray jet (1) such that the asymmetry of the resulting spray pattern on the component surface (4) is reduced. The invention further relates to a corresponding coating device.

A method and a device for evaluating atomization efficiency of an electric atomizer. The method includes: obtaining an idling power consumption according to an idling voltage and an idling current of an electric atomizer to be measured when idling; obtaining a working power consumption according to a working voltage and a working current of the electric atomizer when liquid pesticide flows into the electric atomizer; obtaining atomization parameters after the electric atomizer atomizes the liquid pesticide; and calculating the atomization efficiency of the electric atomizer according to the idling power consumption, the working power consumption and the atomization parameters. The atomization efficiency of the electric atomizer for aerial application of pesticides during application process is quantitatively evaluated, which provides important indicators for testing the working performance of the electric atomizer and fills in the technical gaps in the testing of traditional equipment for aerial application of pesticides.

To provide a production method capable of producing an antiglare film-coated substrate having excellent antiglare performance in a short time, an antiglare film-coated substrate having excellent antiglare performance, and an article provided with the substrate. A method for producing an antiglare film-coated substrate 1 comprising a substrate 3 and an antiglare film 5 formed on the substrate 3, characterized by comprising a step of preparing a coating composition comprising at least one of a silica precursor (A) and particles (C), and a liquid medium (B), wherein the liquid medium (B) contains a liquid medium (B1) having a boiling point of at most 150° C. in an amount of at least 86 mass % based on the total amount of the liquid medium (B), a step of electrically charging and spraying the coating composition by using an electrostatic coating apparatus having an electrostatic coating gun having a rotary atomizing head, to apply it on the substrate 3 to form a coating film, and a step of firing the coating film to form an antiglare film 5.

To provide a production method capable of producing an antiglare film-coated substrate having excellent antiglare performance in a short time, an antiglare film-coated substrate having excellent antiglare performance, and an article provided with the substrate. A method for producing an antiglare film-coated substrate 1 comprising a substrate 3 and an antiglare film 5 formed on the substrate 3, characterized by comprising a step of preparing a coating composition comprising at least one of a silica precursor (A) and particles (C), and a liquid medium (B), wherein the liquid medium (B) contains a liquid medium (B1) having a boiling point of at most 150° C. in an amount of at least 86 mass % based on the total amount of the liquid medium (B), a step of electrically charging and spraying the coating composition by using an electrostatic coating apparatus having an electrostatic coating gun having a rotary atomizing head, to apply it on the substrate 3 to form a coating film, and a step of firing the coating film to form an antiglare film 5.

The coating machine is provided with an air motor (3), a rotational shaft (4) that is rotatably supported by the air motor (3), a feed tube (5) that extends to a tip end of the rotational shaft (4) through the inside of the rotational shaft (4), a rotary atomizing head (6) that is mounted to the tip end of the rotational shaft (4), and a shaping air ring (7) that surrounds an outer periphery of the rotary atomizing head (6) and an axial tip end of which is arranged in back of a paint releasing edge (6D) of the rotary atomizing head (6). The shaping air ring (7) includes a great number of first shaping air spurting holes (9), and a great number of second shaping air spurting holes (10). An inner diameter dimension (d1) of the first shaping air spurting hole (9) is set to be larger than an inner diameter dimension (d2) of the second shaping air spurting hole (10). The number (N2) of the second shaping air spurting holes (10) is set to be smaller than the number (N1) of the first shaping air spurting holes (9).