Assemble-to-order is a manufacturing strategy under which the manufacturer stocks up on sub-assembly parts and inventories and assembles the parts into the final product when a customer places an order. The strategy relies on the ability of the company to assemble and deliver goods quickly.
How Does It Work
In an assemble-to-order strategy, the manufacturer forecasts orders for the goods based on historical data, macroeconomic trends, and the overall condition of the market. Based on the forecasts, the manufacturer orders and stocks up on sub-assembly parts of the finished goods.
A customer then places an order, which can be customizable since the good is not finished. Based on the specific order, the manufacturer assembles the sub-assembly parts into the finished product that is delivered to the customer.
An assemble-to-order strategy is essentially a combination of the make-to-order and make-to-stock production strategies.
The make-to-order strategy involves ordering parts and assembling them based on the specific orders placed by customers and takes a longer time to deliver the final good to the customer.
The make-to-stock strategy involves stocking up on inventory of the final good based on demand forecasts. However, the cost of holding large quantities of unsold inventory tends to be high – and so does the risk.
The assemble-to-order method combines the two strategies above to form a more efficient way to deliver customized goods, without incurring the extra costs of storing finished inventory.
Advantages of the Assemble-to-Order Strategy
1. Lower capital costs
By reducing storage and inventory needs, the assemble-to-order strategy substantially reduces capital costs, such as warehousing and investment in materials and raw supplies. It allows the manufacturer to adopt a lean business model, with fewer sunk costs.
2. Customizability of orders
Manufacturers often face a rising demand for customized goods from customers, and such needs cannot be met if they stock up on finished goods. The assemble-to-order strategy allows customers to order a customized product by keeping a variety of sub-assembly parts in stock, which can be put together to produce a unique finished good.
3. Quick delivery times, even with customization
The assemble-to-order method allows for quicker delivery times by keeping all the parts ready and taking time only for the final assembly. By optimizing final assembly times, manufacturers can deliver customized goods relatively quicker than if they were using the make-to-order strategy.
Disadvantages of the Assemble-to-Order Strategy
1. Unreliability of forecasts
Manufacturers using assemble-to-order stock up on sub-assembly parts based on historical sales data used to forecast demand. However, the forecasts do not account for demand shocks that can occur over time. It may lead to a shortage of inventory parts in case of unusually high demand and a surplus of parts in case of unusually low demand.
2. Management of sub-assembly parts
Manufacturers must monitor and exert control over the inventories of sub-assembly parts, and this may increase operational costs and lead to lower efficiency. It is important to monitor the status of inventories in order to achieve a smooth and streamlined supply chain in times of higher demand.
3. Dependence on the quality of the final assembly
The assemble-to-order method places the most importance on the final assembly process since that determines the quality of the finished good. Therefore, manufacturers must ensure that workers who work on the final assembly are trained and efficient so that customers are satisfied.
Examples of Assemble-to-Order Strategy
Consider a multi-national company that sells customizable smoothies. In order to avoid stocking up on finished smoothies that may perish over time, the company uses an assemble-to-order strategy whereby they stock up on all the ingredients but assemble the finished product (i.e., smoothie) when the customer places an order. Companies such as Body Energy Club (US) and Booster Juice (Canada) rely on such a business model.
Dell Technologies follows an assemble-to-order business model for personal computers and laptops, whereby they allow customers to choose from a range of options for each part of the PC, including CPUs, monitors, processors, and other software and hardware. Once the customer places the order, the PC is assembled and shipped for delivery.
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