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定额时间 辅助时间 机动时间(国外英文资料)
定额时间 辅助时间 机动时间(国外英文资料)
1, reasonable time quota of parts processing is the correct data reflecting the cost of machining, the amount of labor and labor remuneration of workers.
2, the time quota of mechanical processing is the basic basis for the number of equipment and workers.
3, the mechanical processing time quota is reasonable or not, it objectively reflects the level of production technology.
4, the mechanical processing time quota, so that the basic elements of production technology management.
Machining time quota and its composition
1, what is the mechanical processing time quota? It refers to the time required to complete the processing of a part or part of a piece of work.
2, the composition of the time quota:
(1) mobile time (also called basic time) (Tj) refers to the time needed to change the size, shape and surface quality of the workpiece directly. It includes tool approaching, cutting, cutting and cutting time.
(2) auxiliary time (Tf) - the time consumed by various auxiliary actions for processing each workpiece in a process. Includes questions about loading and unloading of workpieces and related steps. Such as starting and stopping machine tools, changing the amount of cutting, cutting tools, cutting, measuring and so on.
(3) the hours of work, rest, and physical needs (Tbx) - the time taken by the worker to clean up the work place during the working hours and to ensure that the work is normally done. Including reading transfer, check the workpiece, machine tools, grease and air to the machine tool, and the replacement of the grinding tool, fixture and cutting tools, ofchip cleaning work and work out before the return after the shift before wiping tools, machine tools, clean up the work site, the necessary rest and physiological needs when asked permission to fill the handover class records and working hours. For ease of calculation, according to the difficulty of processing complexity, according to the percentage of operation time.
(4) preparing e
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