Short answer

Incorporate DFMA principles from the outset of the design process for components like exhaust fan housings to achieve cost reductions and improve assembly efficiency.

Field: Innovation & Design
Source: Journal of Applied Engineering and Technological Science (JAETS) (2023)
Method: Comparative analysis using simulation and experimental testing.
Evidence: Moderate effect

Applying Design for Manufacturing and Assembly (DFMA) principles early in the design phase of exhaust fan housing for high-rise buildings significantly reduces production costs and assembly duration. This innovation & design research insight is drawn from a 2023 study published in Journal of Applied Engineering and Technological Science (JAETS). Using Comparative analysis using simulation and experimental testing., researchers explored how this design variable affects real-world outcomes. The key design takeaway: Incorporate DFMA principles from the outset of the design process for components like exhaust fan housings to achieve cost reductions and improve assembly efficiency.

Study

Innovation & DesignRecentModerate effect

DFMA integration slashes exhaust fan housing manufacturing costs by 0.44% and assembly time by 2%

Applying Design for Manufacturing and Assembly (DFMA) principles early in the design phase of exhaust fan housing for high-rise buildings significantly reduces production costs and assembly duration.

Journal of Applied Engineering and Technological Science (JAETS) · 2023

Key Findings

01DFMA application reduced manufacturing cost by 0.44%.
02DFMA application decreased assembly time by up to 2%.
03The DFMA-designed housing successfully withstood the weight of the ceiling mounting fan.

Application

Design takeaway

Incorporate DFMA principles from the outset of the design process for components like exhaust fan housings to achieve cost reductions and improve assembly efficiency.

How to apply

When designing new products or redesigning existing ones, systematically analyze the design for ease of manufacturing and assembly. This involves simplifying part count, standardizing components, and ensuring ease of access for assembly operations.

Project actions

01When choosing a product for your design project, consider one where manufacturing and assembly are key challenges.
02Research and apply specific DFMA guidelines relevant to your chosen product and manufacturing methods.

Method & Evidence

AimCan the application of Design for Manufacturing and Assembly (DFMA) principles effectively reduce manufacturing costs and assembly time for exhaust fan housings intended for high-rise buildings?

MethodComparative analysis using simulation and experimental testing.

ProcedureTwo designs of exhaust fan housing with ceiling mounting were developed: one pre-DFMA and one post-DFMA. Both designs were then subjected to finite element analysis for stress testing and experimental evaluation including manufacturing cost surveys, assembly time studies, and failure tests.

ContextProduct development for building ventilation systems.

Variables

IVApplication of DFMA principles in design.

DVManufacturing cost, assembly time, structural integrity.

CVProduct type (exhaust fan housing), application context (high-rise buildings), manufacturing and assembly methods.

Strengths & Limitations

Strengths

+Employs both simulation and experimental methods for a comprehensive evaluation.
+Focuses on practical, measurable outcomes like cost and time savings.

Limitations

The cost savings might be small for some products, and the benefits of DFMA can be highly dependent on the specific manufacturing capabilities available.

Reliability & validity

The use of both finite element simulation and experimental testing (cost survey, assembly time, failure test) enhances the reliability and validity of the findings by providing corroborating evidence from different methodologies.

Think critically

While DFMA offers clear benefits, to what extent do the initial investment in design analysis and potential compromises in aesthetic or performance features outweigh the projected cost and time savings for different types of products?

Design Principles

"Design for Manufacturing and Assembly (DFMA) principles should be integrated into the early stages of product development to optimize production and assembly processes, leading to reduced costs and increased efficiency."

This approach allows for the optimization of product design specifically for efficient production and assembly, leading to tangible economic benefits and improved manufacturing throughput. It highlights the value of proactive design considerations in achieving commercial success.

What This Means for Your Design

Using a special design method called DFMA can make it cheaper and faster to build things like exhaust fans, especially for tall buildings.

How to use in your project

1.Reference this study when discussing how your design choices impact manufacturing and assembly processes, particularly if you aim to reduce costs or improve efficiency.

Add to My Project

Quick Cite

Paragraph starter

The application of Design for Manufacturing and Assembly (DFMA) principles, as demonstrated in research by Suwandi et al. (2023) on exhaust fan housings, offers a strategic approach to optimizing product development. Their findings indicate that DFMA integration can lead to tangible benefits, such as a 0.44% reduction in manufacturing costs and up to a 2% decrease in assembly time, while ensuring product functionality and structural integrity. This highlights the importance of considering manufacturing and assembly efficiencies early in the design phase to achieve commercially viable outcomes.

Source

Journal of Applied Engineering and Technological Science (JAETS)

The Development of Exhaust Fan Housing With Ceiling Mounting For High Rise Buildings by Using DFMA

journal · 2023

View source

Questions About This Research

What does the research say about dfma integration slashes exhaust fan housing manufacturing costs by 0.44% and assembly time by 2%?: Incorporate DFMA principles from the outset of the design process for components like exhaust fan housings to achieve cost reductions and improve assembly efficiency. Evidence: Journal of Applied Engineering and Technological Science (JAETS) (2023).
Why does "DFMA integration slashes exhaust fan housing manufacturing costs by 0.44% and assembly time by 2%" matter for design?: This approach allows for the optimization of product design specifically for efficient production and assembly, leading to tangible economic benefits and improved manufacturing throughput. It highlights the value of proactive design considerations in achieving commercial success.
How can designers apply this research?: Incorporate DFMA principles from the outset of the design process for components like exhaust fan housings to achieve cost reductions and improve assembly efficiency.
What were the main findings?: DFMA application reduced manufacturing cost by 0.44%.. DFMA application decreased assembly time by up to 2%.. The DFMA-designed housing successfully withstood the weight of the ceiling mounting fan.
What research method was used?: Comparative analysis using simulation and experimental testing..
How strong is the evidence?: Evidence strength is rated Moderate effect, based on a 2023 journal from Journal of Applied Engineering and Technological Science (JAETS).
What should I do differently in my next project?: When designing new products or redesigning existing ones, systematically analyze the design for ease of manufacturing and assembly. This involves simplifying part count, standardizing components, and ensuring ease of access for assembly operations.
What are the limitations?: The study focused on a specific product (exhaust fan housing) and context (high-rise buildings), so generalizability to other product types or industries may vary. The cost reduction percentage is relatively small, suggesting potential for further optimization.