Effect of minimum quantity lubrication on surface roughness in tool-based micromilling
Cutting fluid plays an important role in machining processes to achieve dimensional accuracy in reducing tool wear and improving tool lifespan. The conventional flood cooling method in machining processes is not cost effective and consumption of huge amounts of cutting fluid is neither healthy no...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English English |
| Published: |
International Islamic University Malaysia-IIUM
2017
|
| Subjects: | |
| Online Access: | http://irep.iium.edu.my/56865/ http://irep.iium.edu.my/56865/ http://irep.iium.edu.my/56865/1/56865_Effect%20of%20minimum%20quantity%20lubrication%20on%20surface%20roughness%20in%20tool-based%20micromilling.pdf http://irep.iium.edu.my/56865/7/56865_Effect%20of%20minimum%20quantity%20lubrication%20on%20surface%20roughness%20in%20tool-based%20micromilling_SCOPUS.pdf |
| Summary: | Cutting fluid plays an important role in machining processes to achieve
dimensional accuracy in reducing tool wear and improving tool lifespan. The conventional
flood cooling method in machining processes is not cost effective and consumption of
huge amounts of cutting fluid is neither healthy nor environmentally friendly. In
micromachining, flood cooling is not recommended to avoid possible damage to the
microstructures. Therefore, one of the alternatives to overcome the environmental issues
is to use a minimum quantity of lubrication (MQL) in the machining process. MQL is ecofriendly
and has an economical advantage in manufacturing costs. However, there is an
observed lack of study on MQL in improving machined surface roughness in micromilling.
A study of the effects of MQL on surface roughness should be carried out because surface
roughness is one of the important issues in micromachined parts such as microfluidic
channels. This paper investigates and compares surface roughness with the presence of
MQL and dry cutting in the micromilling of aluminium alloy 1100 using a DT-110 milling
machine. The relationship between the depth of cut, feed rate, and spindle speed on surface
roughness is also analyzed. The three machining parameters identified as significant for
surface roughness with dry cutting are: depth of cut, feed rate, and spindle speed. For
surface roughness with MQL, it is found that spindle speed did not greatly influence
surface roughness. The presence of MQL provides a better surface roughness by
decreasing the friction between tool and work piece. |
|---|