What is Standard WIP 什么是标准WIP
Process To Process WIP (PTP WIP) 制程间WIP WIP between 2 different processes with big gap cycle time 两个周期时间相差很大的不同制程间的WIP. PTP WIP Is needed due to changeover in upstream line. 上游制程需要转拉，则需设定制程间 WIP.Process to Process WIP 制程间WIP Changeover of Previous Machine 前工序机器转拉时间 Takt Time 节拍时间
Not All line nee
d PTP WIP. 不是所有产线都需要制程间WIP. If Cycle time of Upstream Process is Less then Down stream process 如果上游制程的周期 时间小于下游制程的周期时间 Example 1:- SMT Cycle time (30 sec) Less then Manual Insertion (60 sec) 例1: SMT周期时间(30 sec)小于MI插件周期时间 (60 sec) CT (Upstream process) < CT (Downstream) => Need PTP WIP 需要制程间WIP If Cycle time Upstream process is Equal or greater then Down stream process, No PTP WIP required. 如果上游制程的周期时间大于或等于下游制程的周期时间，不需要制程间WIP.14
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