177-MRP流程(一)

2021年04月20日 14:04

2347

<section powered-by="xiumi.us" style="white-space: normal; margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); max-width: 100%; box-sizing: border-box; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 5px 0px 20px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 2px; border-radius: 0px; border-style: dashed; border-color: rgb(29, 29, 29) rgb(29, 29, 29) rgb(182, 182, 182) rgb(182, 182, 182); box-shadow: rgb(0, 0, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 5px 0px -5px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(5px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 3px 15px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 0px; border-radius: 0px; border-style: none; border-color: rgb(255, 255, 255); box-shadow: rgb(0, 0, 0) 0px 0px 0px; background-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(1px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: justify; color: rgb(0, 0, 0); font-size: 18px; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><span style="color: rgb(0, 0, 0);"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;">177『MRP流程(一)』</strong></span></p></section></section></section></section></section></section></section></section><p></p><section powered-by="xiumi.us" style="white-space: normal; margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: justify; max-width: 100%; box-sizing: border-box; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><section style="margin: 15px 0px -15px; padding: 0px; max-width: 100%; box-sizing: border-box; align-items: center; display: flex; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 1 0 1px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; align-items: center; display: flex; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 1 1 auto; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; background-color: rgb(255, 202, 0); height: 1px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; box-shadow: rgb(255, 202, 0) 0px 0px 0px; line-height: 0; letter-spacing: 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 10px; height: 30px; vertical-align: top; overflow: hidden; border-width: 0px; box-shadow: rgb(255, 202, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 10px 0px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; font-size: 0px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 10px; height: 10px; vertical-align: top; overflow: hidden; background-color: rgb(255, 202, 0); border-width: 5px; border-radius: 0px; border-style: solid; border-color: rgb(255, 202, 0); box-shadow: rgb(255, 255, 255) 1px 1px 0px inset; line-height: 0; letter-spacing: 0px; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></section></section></section></section></section></section></section></section><section style="margin: 0px; padding: 0px 10px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 0 1 auto; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; font-size: 18px; color: rgb(255, 202, 0); letter-spacing: 3px; line-height: 1; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><span style="color: rgb(255, 192, 0);"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;">文字专栏</strong></span></p></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 1 0 1px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; align-items: center; display: flex; transform: rotateY(180deg); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 1 1 auto; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; background-color: rgb(255, 202, 0); height: 1px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; box-shadow: rgb(0, 0, 0) 0px 0px 0px; line-height: 0; letter-spacing: 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 10px; height: 30px; vertical-align: top; overflow: hidden; border-width: 0px; box-shadow: rgb(0, 0, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 10px 0px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; font-size: 0px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 10px; height: 10px; vertical-align: top; overflow: hidden; background-color: rgb(255, 202, 0); border-width: 5px; border-radius: 0px; border-style: solid; border-color: rgb(255, 202, 0); box-shadow: rgb(255, 255, 255) 1px 1px 0px inset; line-height: 0; letter-spacing: 0px; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></section></section></section></section></section></section></section></section></section></section><section powered-by="xiumi.us" style="white-space: normal; margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); font-size: 17px; text-align: justify; max-width: 100%; box-sizing: border-box; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 677px; vertical-align: top; border-color: rgb(255, 211, 171) rgb(255, 202, 0) rgb(255, 202, 0); border-width: 1px; border-radius: 0px; border-style: none solid solid; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 20px 0px 13px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 10px; max-width: 100%; box-sizing: border-box; color: rgb(240, 176, 121); line-height: 1.8; letter-spacing: 1.8px; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; min-height: 1em; font-size: 14px; text-align: start; letter-spacing: 1.8px; text-indent: 43px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; color: black; font-size: 17px; letter-spacing: 2px; text-align: justify; box-sizing: border-box !important; overflow-wrap: break-word !important;"></span><span style="margin: 0px; padding: 0px; max-width: 100%; color: black; font-family: 微软雅黑, sans-serif; font-size: 17px; letter-spacing: 2px; text-align: justify; box-sizing: border-box !important; overflow-wrap: break-word !important;"></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; min-height: 1em; text-indent: 35px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-family: 微软雅黑, sans-serif; box-sizing: border-box !important; overflow-wrap: break-word !important;">&nbsp;</span><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; text-indent: 43px;">各位朋友大家好,欢迎来到Tonii老师精益讲堂,接下来Tonii老师将带领大家进入,每天5分钟,精益伴你行系列课程。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><br style="margin: 0px; padding: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">接下来我们要分三天学习物料需求计划流程。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">&nbsp;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">物料清单中的每个部件都是由物料需求计划系统计划的。为方便起见,假设每个部件都进入库存并作记录,部件是否真正进入实际的库存并不重要。然而,意识到物料清单中每个部件都会进行计划和控制是重要的。原材料在进行加工或用于组装前,或许经过了几个作业流程; 或者在部件和母件之间进行多次组装作业。这些作业是由生产作业控制而不是物料需求计划进行计划和控制的。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><br style="margin: 0px; padding: 0px;"/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">物料需求计划的目的是决定需要的部件、数量及交货期,以便主生产计划安排的产品能够按时生产。我们将探讨这样做所需的基本的物料需求计划流程,它分为6个部分,今天我们讨论前两个部分:</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; font-weight: bold; letter-spacing: 2px;">展开和提前期补偿</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; font-weight: bold; color: black; letter-spacing: 2px;">总需求和净需求</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px;">订单下达</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px;">产能需求计划</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px;">低层次编码和净需求计算</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px;">多个物料清单</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both;"><br style="margin: 0px; padding: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">&nbsp;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 44px;"><strong style="margin: 0px; padding: 0px; letter-spacing: 1.8px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">提前期</span></strong><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">(lead time)是指流程需要的总时间。生产提前期包括订单准备时间、等待时间、加工时间、搬运时间、收货和检验时间及任何可预期的延迟时间。在下图的例子中,如果B和C可用,组装A需要1周时间,因此A的提</span><span style="margin: 0px; padding: 0px; text-indent: 43px; color: black; letter-spacing: 2px;">前期是1周。同样,如果D和E可用,生产B需要的时间是2周。D、E和C的采购提前期都是1周。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px;">在这个特例中,用量组装一个母件需要的各个部件的数量都是1。生产1个A需要1个B和1个C;1个B需要1个D和1个E。</span><br style="margin: 0px; padding: 0px;"/><img class="rich_pages js_insertlocalimg" data-cropselx1="0" data-cropselx2="444" data-cropsely1="0" data-cropsely2="213" data-ratio="0.48032564450474896" data-s="300,640" src="https://x.industics.com/public/upload/image/20210305/1614928026665339.png" data-type="png" data-w="737" style="margin: 0px; padding: 0px; max-width: 100%; letter-spacing: 1.8px; text-indent: 0px; width: 444px; float: left; height: auto !important;"/><span style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); letter-spacing: 2px;"><br/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px; text-align: center;"><span style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); letter-spacing: 2px;">有提前期的产品树</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 1.8px; text-indent: 44px; text-align: center;"><span style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); letter-spacing: 2px; text-indent: 43px;"><br style="margin: 0px; padding: 0px;"/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 44px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">需求展开</span></strong><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">&nbsp;(exploding the requirements) 是将需求量乘以用量,并在整个产品树中记录相应需求量的过程。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 44px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><br style="margin: 0px; padding: 0px;"/></span></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 44px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">提前期补偿</span></strong><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">&nbsp;(offsetting) 是根据提前期将已展开的需求安排在适当的生产期的过程。例如,如果在第5周需要50个A,那么组装A的订单必须在第4周下达,50个B和50个C在第4周也必须可供使用。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 44px;"><br style="margin: 0px; padding: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 44px;"><strong style="margin: 0px; padding: 0px; letter-spacing: 1.8px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">计划订单</span></strong><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">&nbsp;(planned order)&nbsp;如果计划在第5周接收50个A,组装A的提前期是1周,那么订单下达和开始生产时间不能迟于第4周。</span><br style="margin: 0px; padding: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 44px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><br style="margin: 0px; padding: 0px;"/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">因此,在第5周应该有一个50单位的<strong style="margin: 0px; padding: 0px;">计划订单接收</strong>( planned order receipt),并且在第4周应该有一个同样数量的<strong style="margin: 0px; padding: 0px;">计划订单</strong><strong style="margin: 0px; padding: 0px;">下达</strong>&nbsp;( planned order release)。如果50个A的订单在第4周下达,那么50个B和50个C必须在第4周可用。因此,在第4周必须有这些部件的计划订单接</span><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px;">收。组装B的提前期是2周,所以在第2周必须有B的计划订单下达。而生产C的提前期是1周,所以在第3周必须有50个单位的计划订单下达。D和E的计划订单接收和计划订单下达以同样的方式确定。下表展示的是订单必须在什么时候下达和接收,以便满足交货日期。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 35px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">&nbsp;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-align: center;"><img class="rich_pages js_insertlocalimg" data-ratio="0.4473684210526316" data-s="300,640" src="https://x.industics.com/public/upload/image/20210305/1614928026388854.png" data-type="png" data-w="836" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 44px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">总需求和净需求</span></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">上一部分假设A没有库存可用,A的部件也没有库存。但实际上通常有库存可用,在计算生产量时必须考虑进去。例如,如果库存有20个A,那么只需生产30个,对部件的需求也随之减少。计算如下:</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">总需求= 50</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">可用库存=20</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">净需求=总需求-可用库存</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">净需求= 50- 20= 30单位</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">由于只需要生产30个A,因此对B和C的总需求也只有30。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">母件的计划订单下达成为部件的总需求。</span></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><br style="margin: 0px; padding: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">上表‘展开和补偿’中所示的时段性库存记录现在可以修改,以考虑可用库存量。例如,假设库存有10 个B、20个A可用,部件D和E的需求就要发生变化。下表说明了MRP记录中的变化。需要注意的是,预计可用库存给出的就是该时间段结束时预计能拿到手的数量。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 35px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">&nbsp;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-align: center;"><img class="rich_pages js_insertlocalimg" data-ratio="0.9426086956521739" data-s="300,640" src="https://x.industics.com/public/upload/image/20210305/1614928026191767.png" data-type="png" data-w="575" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"></span><br style="margin: 0px; padding: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">最后今天的结尾Tonii老师还是抛出一个小问题,希望大家可以根据今天的学习内容进行思考,并欢迎留言与Tonii老师进行深入交流。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><br style="margin: 0px; padding: 0px;"/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">每日一问:物料需求的目的是什么?</span></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><br style="margin: 0px; padding: 0px;"/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-indent: 43px;"><span style="margin: 0px; padding: 0px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">今天我们就讲到这里,希望大家在企业运营中精益求精,我们下次再见!</span></p></section></section></section></section><p></p><p></p><section powered-by="xiumi.us" style="white-space: normal; margin: 0px; padding: 0px; color: rgb(51, 51, 51); max-width: 100%; box-sizing: border-box; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; line-height: 2; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important; text-align: center;"><span style="color: rgb(0, 0, 0);">想听Tonii老师的课程?</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important; text-align: center;"><span style="color: rgb(0, 0, 0);">想和慧工云小学妹有更多互动?</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important; text-align: center;"><span style="color: rgb(0, 0, 0);">就添加慧工云小学妹微信吧!</span></p></section><p></p><p></p><section powered-by="xiumi.us" style="white-space: normal; margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); max-width: 100%; box-sizing: border-box; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; vertical-align: middle; display: inline-block; line-height: 0; width: 101.547px; overflow-wrap: break-word !important;"><img data-ratio="1" data-w="300" width="100%" data-type="gif" src="https://x.industics.com/public/upload/image/20210305/1614928033520974.gif" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; background-color: rgb(238, 237, 235); border-width: 1px; border-style: solid; border-color: rgb(238, 237, 235); background-size: 22px; background-position: center center; background-repeat: no-repeat; vertical-align: middle; height: auto !important; overflow-wrap: break-word !important; visibility: visible !important; width: 101px !important;"/></section></section><section powered-by="xiumi.us" style="white-space: normal; margin: 0px; padding: 0px; color: rgb(51, 51, 51); max-width: 100%; box-sizing: border-box; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); font-size: 14px; text-align: center; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important; text-align: center;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; background-color: rgb(255, 202, 0); color: rgb(0, 0, 0); overflow-wrap: break-word !important;">让慧工云小学妹为您带来更多咨讯</span></p></section><section powered-by="xiumi.us" style="white-space: normal; margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); max-width: 100%; box-sizing: border-box; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; vertical-align: middle; display: inline-block; line-height: 0; width: 406.188px; height: auto; overflow-wrap: break-word !important;"><img data-cropselx1="0" data-cropselx2="404" data-cropsely1="0" data-cropsely2="404" data-ratio="1" data-type="jpeg" data-w="430" src="https://x.industics.com/public/upload/image/20210305/1614928033358128.jpeg" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; background-color: rgb(238, 237, 235); border-width: 1px; border-style: solid; border-color: rgb(238, 237, 235); background-size: 22px; background-position: center center; background-repeat: no-repeat; vertical-align: middle; height: auto !important; overflow-wrap: break-word !important; visibility: visible !important; width: 404px !important;"/></section></section><p></p>

评价(0) 立即评论
0/150