Is MRP really not suitable for enterprise application?

I remember talking to a friend about whether MRP can be applied in enterprises. This friend told such a joke that a man went to the garage to see the car and then asked the garage salesman:

Can your car fly in the sky like an airplane? number

Can your car swim in the sea like a boat? cannot

There is no road there, only a small dirt road, about one meter wide. Can this car run? cannot

The salesperson fainted directly.

Joke is a joke, which actually illustrates a truth: any tool can only play a specific role under a specific premise. We can't stop using a tool because it can't do this or that.

The use of tools will naturally bring us some benefits. If the input generated by using this tool is worth the benefit or output brought by this tool, then this tool is worth using. The shortcomings of MRP should not be exaggerated.

MRP does have some limitations in structure and algorithm. As this netizen said, there are problems such as batch size, lead time, unlimited production capacity and so-called BOM, but there is no need to exaggerate.

For example, batch, if you think batch is a problem, you don't need to set batch rules;

If you think unlimited ability is a big problem, you can use APS.

Make the best use of MRP.

While seeing the limitations of MRP, we should also see the advantages of MRP. Without MRP, there are two situations, either the planner is very hard and needs to work overtime to plan (in fact, overtime is not good), or it is relatively easy, but the plan is rough. In any case, the seriousness of inventory backlog and production shortage is self-evident. However, if MRP is used well, planners should be relatively relaxed and reduce the number of production shortages.

It is one thing for an enterprise to have a poor informatization foundation and low informatization quality of employees, and it is another to refuse to use MRP psychologically.