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Reduce cost price? How?

  • René Vetjens

When building devices, we always see opportunities to lower the cost price. When you build a device or module, you get every part in your hands, you have to place, secure and adjust every printed circuit board and cable. This way you get to know such a device very well. You know what goes easily, what takes effort, what goes fast, what takes a lot of time and whether something is logical. By collecting these experiences, valuable information is created to reduce the cost price.

This is what our customer wants

Our cost price affects our customer’s margin. A permanent part of the cooperation with our customer is therefore the discussion about the cost price. This should be as low as possible. And of course without compromising on quality, reliability and lifespan. The best product for the lowest possible price. For this, our customer provides the product specifications based on an existing design. When we start working with such a product, it often turns out that the device as a whole can be cheaper.

This is what our customer gets

In that case, based on our experience during the build, we release a full product and process review on the device. We also look at the design in particular. Decades of involvement in the design, production of parts and construction of devices teaches us that the design strongly determines the final cost price. We process the results in a structured report to our client. With this and with our help, our customer will start to reduce the cost price. Making the assembly process lean is something we do anyway.

This is what we come up with

If you do such a cost analysis often, you notice that a certain pattern emerges. Various parameters that interact with each other and influence the cost price. Applicable to every product and every device. This pattern can be summarized as follows:

  • Limiting visual requirements (viewing surfaces)*;
  • Simplifying functions of the part or device;
  • Reducing the number of parts;
  • Simplifying the design of the parts so that simpler and therefore cheaper tools or processes can be used*;
  • Modular design so that the complexity of a device becomes manageable;
  • Voorkomen van afstellingen en instellingen; Prevent adjustments and settings;
  • Apply the widest possible tolerances*;
  • Apply common materials and treatments*;
  • Apply click or snap connections instead of screws or glue, for example;
  • Do not make yourself what is widely available on the market*;
  • Choose the supplier that fits the part*;
  • Buy competitively*;
  • Design the packaging functionally.

If you want quick results, start with the activities with an *.

BS&i Mechatronics assembles and tests mechatronic devices and modules. We do this for a wide variety of customers, devices and markets.
If you have any questions regarding this article, please do not hesitate to contact us. Or visit our website at

René Vetjens