Shot-blasting device, inspection method, and computer-readable storage medium recording inspection program
A processor ( 213 ) carries out, after a device is activated and before a blasting medium projected to a projection target object ( 500 ), a first inspection process (T 1 ) for determining, in a state in which no blasting medium ( 400 ) is supplied to an impeller ( 110 ) while each motor of the impeller is rotating, whether a current value supplied to the each motor of the impeller is not more than a first threshold (θ 1 ), and a second inspection process (T′ 1 ) for determining, in a state in which the impeller is projecting the blasting medium, whether the current value supplied to the each motor of the impeller is not less than a second threshold (θ 2 ), and displays, on a display ( 300 ), at least one of (1) respective determination results of the first inspection process and the second inspection process and (2) a determination result obtained by generalizing the determination results (1).
1 . A shot-blasting device comprising:
at least one impeller each of which has at least one motor and projects a blasting medium to at least one projection target object;
a memory which stores a threshold and a determination condition for use in an inspection process, and records a determination result, and
at least one processor,
the at least one processor carrying out a first inspection process and a second inspection process after a device is activated and before the blasting medium is projected to the at least one projection target object,
the first inspection process being a process in which, in a state where no blasting medium is supplied to the at least one impeller while the at least one motor is rotating, the at least one processor reads a first threshold from the memory, the at least one processor determines whether a current value supplied to each of the at least one motor of the at least one impeller is not more than the first threshold, and the at least one processor stores a result of the determination as a first inspection result in the memory,
the second inspection process being a process in which, in a state where the at least one impeller is projecting the blasting medium, the at least one processor reads a second threshold from the memory, the at least one processor determines whether the current value supplied to each of the at least one motor of the at least one impeller is not less than the second threshold, and the at least one processor stores a result of the determination as a second inspection result in the memory,
the at least one processor reading the first inspection result and the second inspection result from the memory,
the at least one processor carrying out a display process for displaying, on a display, at least one of (1) the result of the determination, given by the at least one processor, of the first inspection process and the result of the determination, given by the at least one processor, of the second inspection process or (2) a determination result obtained by the at least one processor generalizing the result of the determination, given by the at least one processor, of the first inspection process and the result of the determination, given by the at least one processor, of the second inspection process,
the first inspection process carrying out an inspection for a defect in the at least one motor or a part involved in driving of the at least one motor,
the second inspection process carrying out an inspection as to an amount of supply of the blasting medium to the at least one impeller, and
in a case where the current value supplied to each of the at least one motor of the at least one impeller is lower than the second threshold, the at least one processor is configured to cause an increase in the amount of supply of the blasting medium to the at least one impeller.
2 . The shot-blasting device as set forth in claim 1 , wherein the at least one processor sequentially carries out the first inspection process and the second inspection process in this order.
3 . The shot-blasting device as set forth in claim 1 , wherein in the first inspection process, the at least one processor further determines, for at least some of motors that the shot-blasting device has in addition to the at least one motor of the at least one impeller, whether one or more current values are not more than respective thresholds.
4 . The shot-blasting device as set forth in claim 1 , wherein in the second inspection process, the at least one processor further determines, for at least some of motors that the shot-blasting device has in addition to the at least one motor of the at least one impeller, whether one or more current values are not more than respective thresholds.
5 . The shot-blasting device as set forth in claim 1 , further comprising a conveyer that carries the at least one projection target object,
the at least one processor carrying out a process for acquiring a conveyance speed at which the conveyer is to carry the at least one projection target object, and the at least one processor determining whether the conveyance speed is in a predetermined range.
6 . The shot-blasting device as set forth in claim 1 , wherein
the at least one processor reads a standby time during activation from the memory, and
the at least one processor stands by during a passage of the standby time during activation after a projecting device including the at least one impeller is turned on, and then the at least one processor carries out the first inspection process.
7 . A non-transitory computer-readable storage medium storing therein a program for causing a computer including the at least one processor to function as the shot-blasting device according to claim 1 , the program causing the at least one processor to carry out the first inspection process, the second inspection process, and the display process.
8 . A method for controlling a shot-blasting device including at least one impeller each of which has at least one motor and projects a blasting medium to at least one projection target object,
said method comprising:
carrying out a first inspection process and a second inspection process after a device is activated and before the blasting medium is projected to the at least one projection target object,
the first inspection process being a process in which, in a state where no blasting medium is supplied to the at least one impeller while the at least one motor is rotating, the shot-blasting device reads a first threshold from a memory of the shot-blasting device, the shot-blasting device determines whether a current value supplied to each of the at least one motor of the at least one impeller is not more than the first threshold, and the shot-blasting device stores a result of the determination as a first inspection result in the memory of the shot-blasting device,
the second inspection process being a process in which, in a state where the at least one impeller is projecting the blasting medium, the shot-blasting device reads a second threshold from the memory, the shot-blasting device determines whether the current value supplied to each of the at least one motor of the at least one impeller is not less than the second threshold, and the shot-blasting device stores a result of the determination as a second inspection result in the memory;
reading the first inspection result and the second inspection result from the memory;
carrying out a display process for displaying, on a display, at least one of (1) the result of the determination, given by the shot-blasting device, of the first inspection process and the result of the determination, given by the shot-blasting device, of the second inspection process or (2) a determination result obtained by the shot-blasting device generalizing the result of the determination, given by the shot-blasting device, of the first inspection process and the result of the determination, given by the shot-blasting device, of the second inspection process,
the first inspection process carrying out an inspection for a defect in the at least one motor or a part involved in driving of the at least one motor,
the second inspection process carrying out an inspection as to an amount of supply of the blasting medium to the impeller, and
in a case where the current value supplied to each of the at least one motor of the at least one impeller is lower than the second threshold, causing an increase in the amount of supply of the blasting medium to the at least one impeller.
9 . The method as set forth in claim 8 , wherein
the shot-blasting device reads a standby time during activation from the memory, and
the shot-blasting device stands by during a passage of the standby time during activation after a projecting device including the at least one impeller is turned on, and then the shot-blasting device carries out the first inspection process.