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An assembling device (a production system) includes robots that produce a piping component from a plurality of types of parts, and a display that accepts an input of lot information of at least one of the plurality of parts used in producing operations by the first to third robots and that outputs u

An assembling device (a production system) includes robots that produce a piping component from a plurality of types of parts, and a display that accepts an input of lot information of at least one of the plurality of parts used in producing operations by the first to third robots and that outputs unsuitable condition information when an unsuitable condition in any of the parts is detected, the unsuitable condition information identifying a lot of the any of the parts in which the unsuitable condition is detected.

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1. A production system comprising: a producing device that produces a predetermined finished product from the same type or a plurality of types of parts;a plurality of parts suppliers that supply the same type or the plurality of types of parts, each of the parts suppliers operable to transport the

1. A production system comprising: a producing device that produces a predetermined finished product from the same type or a plurality of types of parts;a plurality of parts suppliers that supply the same type or the plurality of types of parts, each of the parts suppliers operable to transport the same type or the plurality of types of parts to a robot;a lot information input accepting section that accepts an input of lot information of at least one part of the same type or the plurality of types of parts used in producing the finished product by the producing device; andan outputting section that outputs unsuitable condition information when an unsuitable condition in any of the parts is detected, the unsuitable condition information identifying a lot of the any of the parts in which the unsuitable condition is detected,wherein, when the unsuitable condition is detected, the unsuitable condition information also identifies a parts supplier among the plurality of parts suppliers which accommodated the part in which the unsuitable condition was detected and operation of the plurality of parts suppliers is stopped. 2. The production system according to claim 1, wherein the outputting section outputs the unsuitable condition information, with lot information of the any of the parts in which the unsuitable condition is detected allowing identification of a part that is accommodated in the parts supplier and that is of a lot that is the same as that of the any of the parts in which the unsuitable condition is detected. 3. The production system according to claim 2, wherein a remaining part or remaining parts that are accommodated in the parts supplier or parts suppliers and that are not detected as being unsuitable among the same type or the plurality of types of parts are used to produce the finished product. 4. The production system according to claim 1, wherein the plurality of types of parts include at least two types of parts that differ in number included in one lot, and wherein the lot information input accepting section is formed so that, for each of the same type or the plurality of types of parts, the lot information input accepting section is capable of accepting, as lot information, the number of parts included in a lot that is input, information allowing the lot to be identified that is input, and information allowing the part to be identified that is input. 5. The production system according to claim 1, wherein the finished product after being assembled from the same type or the plurality of types of parts is accommodated in a box where lot information of the parts is identifiable. 6. The production system according to claim 1, wherein the lot information accepted by the lot information input accepting section includes the number of parts according to the same type of parts or the plurality of types of the parts included in a lot that is input, andwherein, when the number of parts supplied by any of the parts suppliers has reached the number of parts accepted by the lot information input accepting section, it is indicated that the number of supplied parts has reached the number of parts accepted by the lot information input accepting section. 7. The production system according to claim 6, wherein each parts supplier includes a cover, and wherein, when the number of parts supplied by the any of the parts suppliers has reached the number of parts accepted by the lot information input accepting section, the cover of the any of the parts suppliers opens, so that a part of a next lot is in a suppliable state. 8. The production system according to claim 1, further comprising a touch-panel display including the lot information input accepting section and the outputting section. 9. The production system according to claim 1, wherein the finished product is a medical component. 10. The production system according to claim 1, further comprising a display, wherein the display displays the unsuitable condition information identifying the parts supplier among the plurality of parts suppliers which accommodated the part in which the unsuitable condition was detected. 11. An article producing method comprising: accepting at a lot information input accepting section lot information of at least one part of the same type or a plurality of types of parts used in a producing operation by a producing device that produces a predetermined finished product from the same type or the plurality of types of parts;supplying the same type or the plurality of types of parts by transporting the same type or the plurality of types of parts by a plurality of parts suppliers to a robot; andoutputting unsuitable condition information at an outputting section when an unsuitable condition in any of the parts is detected, the unsuitable condition information identifying a lot of the any of the parts in which the unsuitable condition is detected,wherein, when the unsuitable condition is detected, the unsuitable condition information also identifies a parts supplier among the plurality of parts suppliers which accommodated the part in which the unsuitable condition was detected and the operation of the plurality of parts suppliers is stopped. 12. The article producing method according to claim 11, further comprising: displaying, on a display, the unsuitable condition information identifying the parts supplier among the plurality of parts suppliers which accommodated the part in which the unsuitable condition was detected.