On June 23, the first full-line AGV assembly line of the new Dongfeng commercial vehicle powertrain plant was put into operation. The author saw on the AGV (automatic guided vehicle) exterior mixed flow line of the new powertrain plant: In the spacious and bright workshop, 30 A number of workers are assembling in a tense and orderly manner. 23 yellow AGVs are lined up, replacing the traditional ground chain or conveyor mode, realizing intelligent material transportation and flexible manufacturing. It is understood that the line scheduled to produce 166 units on that day. The first full-line AGV assembly line was put into operation, marking the official realization of the mixed-flow assembly of dCi 11, 4H and X7 engines.
Compared with the 1/4 external assembly line of the old factory, the AGV trolley on the AGV external assembly mixed flow line in the assembly and test workshop can realize multi-variety mixed flow, the engine and the trolley can be automatically connected, and the intelligent control enables the AGV trolley to operate freely and independently. , and can be combined in an accurate and orderly manner to form a highly flexible assembly line; the AGV car is a movable assembly platform, and its posture can be adjusted arbitrarily. For example, it can adjust the assembly height of the engine according to the height of the employee. The engine can be freely turned over when working on the waist or assembling heavy parts at the bottom. Wang Fengxian, a female worker on the AGV exterior mixed flow line, said, "The engine bracket was relatively high for me in the past, but now the AGV car will automatically lower to the height suitable for me when it walks in front of me; when the assembly part is low or heavy, it is not necessary now. Bend over, just press the button on the trolley, the engine can be raised or turned over, and the work is not tired and faster."
"The biggest advantage of the AGV exterior mixing line is to control and change the impact of human factors on the quality of product assembly." said Deng Weiping, the engineer in charge of the technical department of the factory. In terms of assembly error proofing, the electric wrench at each station of the AGV external mixed flow line is linked to the information system and can exchange information. If the operator tightens the torque or quantity of the bolts incorrectly, the AGV trolley cannot be released; On the other hand, the AGV exterior mixing line is automatically connected with the MES (manufacturing execution) system, and is automatically matched with the KIT (station-set synchronous feeding system) system, and the material collection and distribution of more than 100 models of dCi 11, 4H, and X7 are also available. There will be no confusion. Compared with the original assembly line, the KIT material trucks are hung on the left and right sides of the AGV trolley, that is, the parts on the intake and exhaust sides of the engine are assembled and assembled separately, so that the employees standing on both sides of the AGV trolley for assembly only need to turn sideways to take them. parts, and it is not easy to install wrongly.
It is reported that according to the construction project plan of Dongfeng Commercial Vehicle Powertrain New Factory, Dongfeng Commercial Vehicle Engine Factory has integrated resources for the assembly line in the factory in mid-May. The exterior is all completed on the AGV exterior mixed flow line of the new powertrain factory. At present, the production cycle of this line is 4 minutes/unit, and the designed production capacity is 60,000 units/year.
The article is transferred from: Hubei Dongfeng Media
Reporter: Jiang Shan
Editor: He Xiaoqian Gong Yanqian
