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《面向制造的库存设计管理》PPT分享(上)

  • 2026-04-07 04:52:06
《面向制造的库存设计管理》PPT分享(上)

01   库存管理概述

1. 基本定义

库存管理是对企业原材料、在制品、半成品、成品、备品备件等物资进行计划、采购、存储、周转、控制与优化的全过程管理,核心目标是在保障生产/交付的前提下,降低资金占用、减少浪费、提升周转效率。

2. 库存的主要类型

• 原材料库存:生产投入前的采购物料

• 在制品库存(WIP):生产线上未完工的半成品

• 成品库存:已完工待发货的产品

• 备件/辅料库存:设备维修、生产辅助用料

• 安全库存:应对波动、缺货风险的缓冲库存

3. 库存管理核心目标

• 保证生产连续,不缺料、不停线

• 降低库存资金占用,提高库存周转率

• 减少呆滞、过期、报废损失

• 提升供应链响应速度与交付准确率

• 控制仓储成本与管理成本

4. 常见管理方式

• ABC分类管理:按价值/用量分级管控

• 安全库存与再订货点(ROP)

• JIT准时化供货、看板拉动

• MRP/ERP物料需求计划

• VMI供应商管理库存

• 周期盘点、循环盘点、FIFO先进先出

02  制造过程库存管理(重点:在制品WIP管理)

制造过程库存,核心是生产全过程中的在制品(WIP),贯穿从投料→加工→装配→检验→入库全流程。

1. 制造过程库存的特点

• 流动性强、形态持续变化

• 数量直接影响生产周期与现场秩序

• 过多会掩盖质量、设备、人员等问题

• 过少易导致工序断流、产能浪费

2. 管理重点内容

(1)投料控制

• 按生产计划精准投料,避免超投、早投

• 控制批量大小,减少工序堆积

• 实现按需拉动,而非推动式盲目生产

(2)工序间在制品控制

• 设定各工序标准WIP上限

• 减少工序间等待、搬运、重复堆放

• 推行流线化生产、U型布局,缩短物流路径

(3)质量与返工管控

• 减少不良品导致的在制品滞留

• 避免批量返工造成库存积压

• 执行首检、巡检、自检,防止问题后移

(4)生产节拍与平衡

• 统一产线节拍,消除瓶颈工序

• 工序能力匹配,减少某段过量生产

• 实现连续流或小批量流转

(5)账物相符与追溯

• 生产批次、工序状态、数量实时记录

• 支持MES系统扫码追踪

• 防止丢失、错装、混批

3. 制造过程库存过高的危害

• 资金大量占用,周转慢

• 掩盖设备故障、质量缺陷、管理混乱

• 占用现场空间,物流混乱

• 增加磕碰、锈蚀、过期、呆滞风险

• 拉长生产周期,交付变慢

4. 常用改善方法

• 推行精益生产:5S、流线化、看板拉动

• 降低生产批量,实现“一个流”

• 建立标准在制品数量(SWIP)

• 消除七大浪费,尤其“过量生产”

• 快速换型(SMED)减少等待库存

• 设备TPM,减少停机导致的WIP堆积


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  1. CONNECT:[ UseTime:0.000763s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001330s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000662s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000737s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001445s ]
  6. SELECT * FROM `set` [ RunTime:0.002049s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001571s ]
  8. SELECT * FROM `article` WHERE `id` = 489756 LIMIT 1 [ RunTime:0.001430s ]
  9. UPDATE `article` SET `lasttime` = 1776008026 WHERE `id` = 489756 [ RunTime:0.002837s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.003970s ]
  11. SELECT * FROM `article` WHERE `id` < 489756 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001158s ]
  12. SELECT * FROM `article` WHERE `id` > 489756 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.006167s ]
  13. SELECT * FROM `article` WHERE `id` < 489756 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002056s ]
  14. SELECT * FROM `article` WHERE `id` < 489756 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003957s ]
  15. SELECT * FROM `article` WHERE `id` < 489756 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002499s ]
0.132315s