What do you know about the assembly process of auto parts?

2020-01-15 09:54:37

A car consists of more than 10000 parts. Each part must be processed and shaped by different processes before it can be assembled on the car.

Assembly is to connect and combine various parts into parts by connecting parts (bolts, nuts, pins or snaps, etc.) according to certain requirements, and then connect and combine various parts into the whole vehicle.

Whether the parts are combined into parts or the parts are combined into the whole vehicle, the mutual cooperation relationship specified in the design drawings must be met to make the parts or the whole vehicle achieve the predetermined performance. For example, when assembling the transmission to the clutch housing, the centerline of the transmission input shaft must be aligned with the centerline of the engine crankshaft. This centering method is not adjusted by the fitter (fitter) during assembly, but is guaranteed by the design and manufacturing.

If you visit the auto parts factory, the main attraction is the assembly line. On this assembly line, we drive down a car every few minutes. Take the general assembly line of Jiefang Truck of FAW as an example. This assembly line is a 165m long conveyor chain. The car moves to each station along with the conveyor chain and is gradually assembled. There are conveyor chains around to continuously transport the engine assembly, cab assembly, wheel assembly, etc. from each workshop to the corresponding station on the assembly line.

At the beginning of the conveyor chain, first place the frame (with the bottom facing upwards), then install the rear axle assembly (including leaf spring and wheel hub) and the front axle assembly (including leaf spring, knuckle and wheel hub) on the frame, then turn the frame over to install the steering gear, air receiver and brake pipeline, oil tank and oil pipe, electric wire and wheel, and then install the engine assembly (including clutch and transformer Speeder and central brake), connect the upper driving shaft, and then install the cab and front panel. At this point, the car can drive off the assembly line.