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Thermal Comparison of Conventional and Conformal Cooling Channel Designs for a Non-Constant Thickness Screw Cap
- Source :
- Journal of the Korean Society for Precision Engineering. 35:95-101
- Publication Year :
- 2018
- Publisher :
- Korean Society of Precision Engineering, 2018.
-
Abstract
- Complex parts are manufactured with high production rates using plastic injection. Defects in injection moulded parts are typically caused by non-uniform cooling. The design of cooling channels is a key step in the mould tool design process. Laser sintering allows for the direct fabrication at reasonable price, complex 3D tools with integrated cooling channels without the need of fixtures. This technique allows the designer to optimise the position of cooling channels relative to the heat source. This paper presents a simulation study for a non-constant thickness threaded screw cap. Results comparing conventional to conformal cooling channel show that the range between the highest and the lowest part surface temperatures is reduced by 18.8%. On the other hand, there is only a decrease of 3.9% for the maximum temperature in the interior of the threaded screw cap. Conformal cooling using laser sintering in tool manufacturing achieves an improved heat transfer leading to a better part quality.
- Subjects :
- 0209 industrial biotechnology
Conformal cooling channel
Materials science
Fabrication
Mechanical Engineering
Mechanical engineering
020207 software engineering
Conformal map
02 engineering and technology
Screw cap
Industrial and Manufacturing Engineering
law.invention
Selective laser sintering
020901 industrial engineering & automation
law
Heat transfer
Thermal
0202 electrical engineering, electronic engineering, information engineering
Injection moulding
Safety, Risk, Reliability and Quality
Subjects
Details
- ISSN :
- 22878769 and 12259071
- Volume :
- 35
- Database :
- OpenAIRE
- Journal :
- Journal of the Korean Society for Precision Engineering
- Accession number :
- edsair.doi...........266dd7eb9216745d866d1f3c615e361e