Short answer
When designing for manufacturing, evaluate the potential cost benefits of SLM for complex parts, particularly if low to medium production volumes are anticipated.
- Field
- Commercial Production
- Source
- Academic Publication (2017)
- Method
- Comparative cost analysis using generic cost models and case studies.
- Evidence
- Strong effect
The economic viability of Selective Laser Melting (SLM) versus traditional subtractive manufacturing is heavily influenced by part complexity and production volume, with SLM often showing advantages for intricate designs and smaller batches. This commercial production research insight is drawn from a 2017 study published in Academic Publication. Using Comparative cost analysis using generic cost models and case studies., researchers explored how this design variable affects real-world outcomes. The key design takeaway: When designing for manufacturing, evaluate the potential cost benefits of SLM for complex parts, particularly if low to medium production volumes are anticipated.
Selective Laser Melting (SLM) can be more cost-effective than subtractive manufacturing for complex parts at lower production volumes.
The economic viability of Selective Laser Melting (SLM) versus traditional subtractive manufacturing is heavily influenced by part complexity and production volume, with SLM often showing advantages for intricate designs and smaller batches.
Academic Publication · 2017
Key Findings
- 01SLM can offer cost advantages over SM for parts with high geometric complexity.
- 02The economic advantage of SLM increases at lower production volumes compared to SM.
- 03Raw material price and production volume are significant factors influencing the cost-effectiveness of SLM.
Application
Design takeaway
When designing for manufacturing, evaluate the potential cost benefits of SLM for complex parts, particularly if low to medium production volumes are anticipated.
How to apply
Before finalizing a design for production, conduct a comparative cost analysis using SLM and subtractive manufacturing models, factoring in the specific part geometry and projected production quantity.
Project actions
- 01When choosing a manufacturing method for your design project, consider if the complexity of your design could make additive manufacturing (like SLM) more cost-effective than traditional methods.
- 02Investigate how different production quantities might affect the cost per part for various manufacturing processes.
Method & Evidence
Variables
Strengths & Limitations
Strengths
- +Provides a quantitative economic comparison between two major manufacturing paradigms.
- +Identifies key drivers (complexity, volume) that influence cost-effectiveness.
Limitations
The cost models used might be simplified and not capture all real-world manufacturing nuances. The specific material costs and machine efficiencies can vary greatly.
Reliability & validity
The reliability of the findings depends on the accuracy of the generic cost models and the representativeness of the case studies. Validity is strengthened by considering multiple influencing factors like complexity and volume.
Think critically
How might advancements in SLM technology (e.g., faster build speeds, new materials) further shift the economic balance compared to subtractive manufacturing in the future?
Design Principles
"Process selection should be driven by a holistic consideration of design complexity, production volume, and material costs to achieve optimal economic outcomes."
Understanding the cost drivers for different manufacturing processes allows designers and engineers to make informed decisions early in the design cycle. This can lead to significant cost savings and enable the production of previously unmanufacturable designs.
What This Means for Your Design
Making parts with a 3D printer like Selective Laser Melting can be cheaper than cutting them out of a block of metal, especially if the part has lots of intricate details or you only need a few of them.
How to use in your project
- 1.Reference this study when discussing the economic justification for choosing a specific manufacturing process, especially if your design involves complex geometries or low production volumes.
Add to My Project
Quick Cite
Paragraph starter
The economic comparison between Selective Laser Melting (SLM) and subtractive manufacturing (SM) highlights that SLM can be more cost-effective for complex geometries and lower production volumes. Factors such as part complexity, raw material costs, and the scale of production significantly influence the choice of manufacturing process, suggesting that designers should consider these elements early in the design phase to optimize project economics.
Source
Academic Publication
Economic comparison of selective laser melting and conventional subtractive manufacturing processes
journal · 2017
View sourceQuestions About This Research
- What does the research say about selective laser melting (slm) can be more cost-effective than subtractive manufacturing for complex parts at lower production volumes?
- When designing for manufacturing, evaluate the potential cost benefits of SLM for complex parts, particularly if low to medium production volumes are anticipated. Evidence: Academic Publication (2017).
- Why does "Selective Laser Melting (SLM) can be more cost-effective than subtractive manufacturing for complex parts at lower production volumes." matter for design?
- Understanding the cost drivers for different manufacturing processes allows designers and engineers to make informed decisions early in the design cycle. This can lead to significant cost savings and enable the production of previously unmanufacturable designs.
- How can designers apply this research?
- When designing for manufacturing, evaluate the potential cost benefits of SLM for complex parts, particularly if low to medium production volumes are anticipated.
- What were the main findings?
- SLM can offer cost advantages over SM for parts with high geometric complexity.. The economic advantage of SLM increases at lower production volumes compared to SM.. Raw material price and production volume are significant factors influencing the cost-effectiveness of SLM.
- What research method was used?
- Comparative cost analysis using generic cost models and case studies..
- How strong is the evidence?
- Evidence strength is rated Strong effect, based on a 2017 journal from Academic Publication.
- What should I do differently in my next project?
- Before finalizing a design for production, conduct a comparative cost analysis using SLM and subtractive manufacturing models, factoring in the specific part geometry and projected production quantity.
- What are the limitations?
- The analysis is based on generic cost models and may not account for all specific machine capabilities, material variations, or post-processing requirements.