Coating diagnosis system and coating diagnosis method
To provide a coating diagnosis system and a coating diagnosis method that allow centralized management over data related to processes in a painting line, including a pretreatment process. The coating diagnosis system includes a data acquisition unit of a pretreatment controller that acquires data related to a pretreatment process when pretreatment for paint is performed on a workpiece in the pretreatment process in a painting line, and a data management unit of a host controller that registers the data related to the pretreatment process in a database in associated with a serial number of the workpiece.
1 . A coating diagnosis system comprising:
a pretreatment robot;
a painting robot;
one or more memories storing computer instructions; and
one or more processors configured to execute the computer instructions to cause the coating diagnosis system to:
acquire data related to a pretreatment process together with coordinates of a distal end of the pretreatment robot performing pretreatment for painting, wherein
the pretreatment is performed on a workpiece prior to painting by the painting robot in a painting line,
in the pretreatment process, a dust remover configured to rotationally drive a brush performs dust removal operation of removing dust from a surface of the workpiece, and
the acquired data related to the pretreatment process includes at least one of torque and rotation speed of the dust remover,
register the acquired data related to the pretreatment process in association with identification information on the workpiece and the coordinates, and
upon detecting a defect in coating on an area in the workpiece after a painting process, analyze defect factors based on part of the registered data related to the pretreatment process associated with the identification information and some of the coordinates corresponding to the area.
2 . The coating diagnosis system according to claim 1 , wherein the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to register data related to the painting process together with the data related to the pretreatment process in association with the identification information.
3 . The coating diagnosis system according to claim 2 , wherein the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to register data related to an inspection result together with the data related to the pretreatment process and the data related to the painting process in association with the identification information.
4 . The coating diagnosis system according to claim 3 , wherein the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to propose preventive maintenance for a device involved in the pretreatment process or a device involved in the painting process based on the data related to the pretreatment process or the data related to the painting process.
5 . The coating diagnosis system according to claim 1 , wherein the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to:
analyze two or more of the defect factors in the painting process based on data related to the painting process, and
upon determining that the painting process is normal, analyze two or more of the defect factors in the pretreatment process based on the data related to the pretreatment process.
6 . The coating diagnosis system according to claim 5 , wherein the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to propose an improvement with respect to an operating condition of a device involved in the pretreatment process or the painting process based on an analysis result of the defect factors.
7 . The coating diagnosis system according to claim 1 , wherein
the workpiece includes one or more areas, and
the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to acquire the data related to the pretreatment process for each of the one or more areas of the workpiece.
8 . The coating diagnosis system according to claim 1 , wherein
in the pretreatment process, the pretreatment robot with articulated structure performs a predetermined task related to the pretreatment on the workpiece, and
the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to acquire at least one of joint torque and distal end speed of the pretreatment robot as the data related to the pretreatment process.
9 . The coating diagnosis system according to claim 1 , wherein
in the pretreatment process, the pretreatment is performed on the workpiece being transported by a transport device, and
the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to acquire transport speed or a transport position of the workpiece transported by the transport device as the data related to the pretreatment process.
10 . The coating diagnosis system according to claim 1 , wherein the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to acquire at least one of an amount and size of the dust removed by the dust remover as the data related to the pretreatment process.
11 . The coating diagnosis system according to claim 1 , wherein the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to acquire at least one of temperature, humidity, and air volume in an area in which the pretreatment is performed on the workpiece as the data related to the pretreatment process.
12 . The coating diagnosis system according to claim 1 , wherein the one or more processors are configured to further execute the computer instructions to further cause the coating diagnosis system to:
acquire data related to a special note in a process prior to the pretreatment process, and
register the data related to the special note together with the data related to the pretreatment process in association with the identification information.
13 . The coating diagnosis system according to claim 1 , wherein the workpiece is a body of an automobile.
14 . A coating diagnosis method performed by a coating diagnosis system including a pretreatment robot, a painting robot, one or more memories storing computer instructions to perform the coating diagnosis method, and one or more processors configured to execute the computer instructions, the coating diagnosis method comprising:
acquiring data related to a pretreatment process together with coordinates of a distal end of the pretreatment robot performing pretreatment for painting, wherein
the pretreatment is performed on a workpiece prior to painting by the painting robot in a painting line,
in the pretreatment process, a dust remover configured to rotationally drive a brush performs dust removal operation of removing dust from a surface of the workpiece, and
the acquired data related to the pretreatment process includes at least one of torque and rotation speed of the dust remover;
registering the acquired data related to the pretreatment process in association with identification information on the workpiece and the coordinates; and
upon detecting a defect in coating on an area in the workpiece after a painting process, analyzing defect factors based on part of the registered data related to the pretreatment process associated with the identification information and some of the coordinates corresponding to the area.
15 . A coating diagnosis system comprising:
a pretreatment robot;
a painting robot;
one or more memories storing computer instructions; and
one or more processors configured to execute the computer instructions to cause the coating diagnosis system to:
acquire data related to a pretreatment process together with coordinates of a distal end of the pretreatment robot performing pretreatment for painting, wherein
the pretreatment is performed on a workpiece prior to painting by the painting robot in a painting line,
in the pretreatment process, a neutralization machine performs neutralization work for removing static electricity from the workpiece, and
the acquired data related to the pretreatment process includes output of the neutralization machine,
register the acquired data related to the pretreatment process in association with identification information on the workpiece and the coordinates, and
upon detecting a defect in coating on an area in the workpiece after a painting process, analyze defect factors based on part of the registered data related to the pretreatment process associated with the identification information and some of the coordinates corresponding to the area.
16 . The coating diagnosis system according to claim 15 , wherein
in the pretreatment process, after the neutralization work, an amount of charge on the workpiece is detected, and
the one or more processors are configured to further execute the computer instructions to cause the coating diagnosis system to acquire the amount of charge on the workpiece as the data related to the pretreatment process.