01. How to do inventory management under automation technology to ensure the consistency of accounts?
1, the account is consistent in two aspects
ERP and WMS system inventory is consistent, to achieve this goal, Zui key is to ensure the real-time delivery of interface data; whether it is ERP downlink data or WMS uploaded data; can be passed through a definite mechanism, real-time delivery, Reduce the probability that the two sides of the book will not match;
Need to determine the synchronization mechanism, the common mechanism is:
When entering the warehouse: When the ERP inbound order is transferred to the WMS, it is counted in the inventory. After the WMS obtains the inbound data in real time, it is immediately included in the inventory.
When the library is out of the warehouse: When the ERP outbound order is transferred to the WMS, the quantity of the outbound is withheld. After the WMS obtains the outbound order in real time, it also performs the corresponding withholding. When the outbound is completed, the quantity of the outbound is fed back to ERP (feedback is completed on the whole order, or feedback is completed when a single job is completed); the purpose of this is to keep the available amount of inventory on both sides of the query consistent at any time (depending on the synchronization mechanism of the interface, if zui delays by 1 second, then In theory, it is rarely inconsistent);
Provide a good early warning mechanism, such as automatically reminding the inventory of both sides of the inventory at a fixed time every day; or generating a daily difference report at a fixed time; to assess whether the fusion of ERP and WMS systems is "uneven"; WU
The format of the difference report:
Material number material name ERP inventory WMS stock inventory difference is divided into three cases:
ERP has, WMS is not;
ERP is not available, WMS has;
Both ERP and WMS, but the inventory is inconsistent;
When an abnormality occurs, it is likely that a software system vulnerability is caused, and both parties need to improve their respective systems;
2. Inspection of physical consistency
In the case of ensuring that the ERP and WMS book inventory are consistent, we need to consider the difference between the WMS book and the physical;
Inventory of materials, mainly divided into two modes: open disk and dark disk; for the difference found in the inventory to form a difference record; in addition to the difference in quantity, there are other differences in materials, batches, etc.; these differences need to be recorded;
Record the difference data, you need to find out the problem in the detailed log of the WMS system, there are equipment problems, some people have operational problems, and even have hidden vulnerabilities in the software itself;
The general principle of inventory selection is “arbitraryâ€; inventory selection can be carried out according to any principle of thought; but common, dynamic inventory (Zui new change inventory), high inventory frequency, valuable inventory, random Draw, etc.
For the three-dimensional library inventory, if there are conditions, it is recommended to first check the physical inspection team; that is, by printing the inventory tray distribution map on the shipping position, after checking the stacker, manually check the three-dimensional warehouse goods. Whether the physical distribution of the bit is inconsistent with the system record; if there is an inconsistency, through the detailed log of the WMS, it is found out which time difference occurs in those inconsistencies;
In order to improve the accuracy of the inventory, especially the dark disk, we can count the information records in multiple times; this can get the difference information more accurately, of course, this method is not suitable for the stereo library; because this requires equipment action, Chen Ben is higher;
When inventorying, for high-frequency delivery operations, locking inventory is not appropriate, so when inventorying, you can not lock inventory, to ensure that shipments are not affected; when the system records differences, it will be used as inventory at the time of inventory Reference;
02, automatic logistics application system how to set inventory logic <br> inventory in two categories (logical and physical)
1. Inventory of material operation attributes (logical mode)
ABC classification inventory (that is, the inventory with high delivery frequency), considering the variety of high delivery frequency, the frequency of job errors is relatively high;
Valuable inventory, the frequency of inventory is designed according to the value of the value;
Cycle inventory, record the stocks that have been counted, limit the stocks that have not been counted for a long time, and ensure that after multiple counts, each stock can be taken care of;
Immediately pumping, is to take inventory by means of random inventory;
2. Attribute inventory of shelf positions (physical mode)
According to the regional floor inventory, ensure that every corner can be counted, and it is also convenient for manual division of operations;
The stacker counts one roadway according to the roadway, and all the goods in the roadway are transferred to other roadways, so that the remaining problems of goods inconsistency can be found;
The distribution check of the stacker is based on the inventory map of the stock and the physical check-up to realize the fast roughing that does not pass through the stacker;
03. How to control the operation error of the manual part of the automatic sorting system and reduce the inventory difference.
1. For different operations, standardize the operation steps, and do not allow the operation to take "shortcuts". For operations that are not performed in accordance with the system, there must be a corresponding punishment system;
2. Try to simplify the operation through the automation equipment, common through: RF, display, DPS and other equipment for auxiliary operations;
3. For places with multiple possibilities of operation, you can test for several days in several ways to see the effect, and it is more reasonable to trade off the cost performance (operation efficiency/error rate);
04. How can automatic logistics realize the traceability, first-in, first-out, batch management of the whole process of warehousing operation.
1. The implementation of traceability is generally realized by barcode tracking. Barcodes can be tracked by ordinary one-dimensional or two-dimensional barcodes or RFID with writeable data as offline data.
2. The traceability is often inconsistent with the convenience of operation and Chen Ben, which requires a trade-off between cost performance;
3. FIFO is a basic warehousing principle. When implementing this principle, it is necessary to take into account efficiency anomalies; therefore:
When warehousing, you need to consider the convenience of the library. For stackers, you need to try to distribute them evenly. When you are out of the warehouse, you can let multiple stackers work at the same time to improve efficiency.
For raw materials or semi-finished products, if there is no strict first-in-first-out requirement, FIFO can be realized for a certain period of time, such as warehousing on the same day.
4. Batch management is commonly divided into management batches and production batches;
Management batch, mainly used for material management, making material management more detailed and precise;
Production batches are mainly used for the management of production links, for tracking, traceability realization, and quality management.
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