To provide a novel work machining production system capable of easily corresponding to fluctuation of production quantity by a simple line composition, stably carrying out enhancement of quality and fully using a production capacity of a machining device when constructing a production line by serially arranging a plurality of machining devices.

In the work machining production system, the plurality of machining devices are serially arranged, and transfer devices are respectively provided between upstream side and downstream side machining devices. A raw material rack conveying a raw material without change is provided in a headmost machining device neighborhood, an end product rack receiving an end product without change is provided in a rearmost machining device neighborhood, and raw material racks and end product racks are provided side by side in neighborhoods of the machining devices between the machining devices positioned in a headmost side and a rearmost side. The transfer devices handle a work element of taking out the raw material from an upstream raw material rack and transferring it to a machining table of a relevant machining device, a work element of transferring the raw material from an upstream raw material rack to a downstream raw material rack without change, and a work element of transferring the end product from an upstream end product rack to a downstream end product rack without change.

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