Design considerations in electromechanical assembly
Mechanical and electrical assembly is a very complex process. In order to avoid problems during and after production, mechanical and electrical assembly personnel should consider key factors during the design phase. Please refer to the following details that mechanical and electrical assembly companies should pay attention to.
1. Requirement definition
The product development roadmap begins with a set of requirements from the customer. The purpose of requirement definition is to develop a project management plan, schedule, and technical review. The design document includes these requirements, work instructions, and product specifications. The product features are also described at this stage. Clear and detailed requirements and specifications will enable us to design and manufacture products accordingly. In fact, the scope of work, technical specifications, and roadmap are still easily modified, especially during product design validation, which requires multiple iterations to meet functional requirements, cost, and quality or reliability standards. Understanding the functions and uses of electromechanical assembly is very important.
2. Material selection
Material selection is a crucial step in the design of electromechanical equipment. The selection criteria largely depend on the specific application. Some aspects that need to be noted include corrosion resistance, price, processing performance, and usability. Electromagnetic performance is also important, especially for solenoids and brakes primarily used in automotive applications. The components to be used should also comply with regulatory standards such as RoHS (Restriction of Hazardous Substances)/REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals).
3. Heat dissipation considerations
In the process of mechanical and electrical assembly design, the thermal characteristics of each component should also be considered. These characteristics include thermal conductivity, heat capacity, and material density. The thermal behavior and stress effects of materials are simulated using complex techniques such as FEA software (finite element analysis). The difference in thermal expansion of materials may lead to delamination and warping effects, and become the root cause of failures during assembly and application processes.
4. Manufacturability
The optimal design of electromechanical equipment can balance the final performance and cost impact. This can be achieved by adopting best practices and design rules integrated into the DFM process (design for manufacturability). A useful strategy for simplifying design is to divide design requirements into two categories: "if there is, it is better" and "must have", with the former being a secondary consideration and the latter being more important aspects related to product functionality. DFM helps engineers consider the simplicity of manufacturing and assembly while meeting product functional requirements. The design rules set some limitations on size and geometric rules so that parts can be easily manufactured and assembled. In the process of mechanical and electrical assembly design, designers should always understand the manufacturability of each component to avoid delays and troubles in future production.
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