Discrete Manufacturing: Make To Order (MTO)

What is Make To Order?

 

Make to Order is when an assembly project has to be done of parts and sub-assemblies according to the specific requirements of a specific customer/sales order. Such an assembly may or may not be used again for sales orders from other customers. It is possible that many sales orders might by placed by the same customer to achieve that project.

For instance a vendor of commercial light fixtures may be asked by a general contractor to set up a specific set up of light fixtures in the lobby of a large office building. This set up will be specific for this large office building. Components may be common across many sales orders, but the final assembly will be specific to this specific large office building.

The components and sub-assemblies are already engineered. They may need some configuration.

Example:

A discrete manufacturer which manufactures products such as office lighting set ups, custom kitchen tops, and custom furniture will use the make to stock manufacturing method to manufacture those products based on the specs in the sales order

  • Each sales order has its own specific Bill Of Material (BOM) and production order.

  • The Materials Requirement Planning (MRP) is not used. This means that current stock of product and of components is not looked at. You will have to manually check the stock of product and components, and of component receipts and product shipments in transit. This could be problematic. Therefore a hybrid model of MTS and MTO makes a lot of sense.

What does that mean for the manufacturing management and the inventory management?

 

 

For each sales order which requires a specific production order having specific assembly and for each sub-assembly, a specific BIll Of Material (BOM) will be created, and a production order will be planned. A sub-assembly may have to be manufactured. You can see in the video ( 11 mins, May 2020, at min 6.42) below that there is a specific production order number and BOM number for a specific sales order.

Materials Requirements Planning (MRP) that determines which components are short and need to be ordered, and when to order them to be on time with the final assembly, will be needed.

 

Regarding inventory management, the determination of the ReOrder Point (ROP) and the Order Quantity can not be done based on the history of sales orders and plain forecasts since exact same sales orders don't exist. Neither do forecasts exist . The determination will be done based on insights of new sales orders that use some common components, current stock and purchase orders in transit. The inventory is just-in-time inventory. Components and maybe sub-assemblies will be made just-in-time.

References: http://www.softwareshortlist.com/erp/articles/erp-applications/make-to-order-vs-make-to-stock-implications-for-your-erp-system/

The Challenges with Make To Order

The two main drawbacks of make-to-order management are timeliness and cost of customization. If products are already on the shelf as with Make To Stock (MTS), then a customer need not wait until the product is made, assembled, and delivered to spec.

What solution does Acumatica have to manage Make To Order?

The Acumatica Manufacturing Edition handles the Bill of Material, planned production orders, master production scheduling, MRP and management of the actual production run. Click here to learn more.

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