What spare parts are required for an automatic motor rotor punching machine, and how should inventory be managed to ensure availability?

What spare parts are required for an automatic motor rotor core punching machine, and how should inventory be managed?

The following are some suggestions for managing spare parts for motor rotor core punching machines and ensuring adequate inventory:

Spare parts:

1、mold: as a key component of the core punching machine, you need to prepare a certain number of molds for replacement and maintenance.

2、Iron core: as the main material of production, we need to prepare sufficient iron core according to the production plan.

3、Shafts: also need to prepare enough shafts according to the production demand.

Guarantee inventory setup:

1. Demand analysis: First, the uncertainty of demand needs to be quantified, i.e., the accuracy of forecast and the error between actual demand and forecast.

2. Supply analysis: Consider the uncertainty of supply, such as the lead time and reliability of suppliers, which can be assessed through historical data and supplier communication.

3. Service level: Based on the service level requirements, such as the desire to not run out of stock 95% of the time, the corresponding z-value (quartile of the standard normal distribution) is 1.65, which can be used to calculate the guaranteed inventory.

4. Safeguard Stock Calculation Formula: The safety stock can be calculated by the following formula: SS = z * SQRT(σd^2 * μL + σL^2 * μd^2), where SS is the safety stock, z is the z-value corresponding to the service level, σd is the standard deviation of the demand, μL is the mean of the supply cycle, σL is the standard deviation of the supply, and μd is the average value of the demand.

5. Regular Inventory: Regularly conduct a comprehensive inventory of the inventory to ensure that the account is consistent with the actual situation and to avoid blind increase or decrease in inventory.

6. Reasonable structure: According to the product characteristics and market demand, rationally configure the inventory structure and reduce the slow-moving inventory.

7. Information management: improve the automation and intelligence of inventory management with the help of information technology and management tools.

Through the above methods, a reasonable safety stock can be set for the motor rotor punching machine to ensure production continuity and timely supply of spare parts.

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