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Wyświetlanie 1-3 z 3
Tytuł:
Lapping system for improvement of geometrical accuracy using lathe machine
Autorzy:
Soe, Y. H.
Tanabe, I.
Iyama, T.
Da Cruz, J. R.
Powiązania:
https://bibliotekanauki.pl/articles/100014.pdf
Data publikacji:
2012
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
lapping
lathe
deviation of form
high quality
Opis:
The geometrical accuracy of the products are essential for high quality and interchangeability. Lapping processing is mostly using for final improvement of geometrical accuracy. Geometrical accuracy includes cylindricity, circularity and straightness. In this paper, lapping processing using a normal lathe was investigated for improvement of geometrical accuracy. Firstly, normal turning process is taken and then, the lapping process is performed using the same lathe. The lapping tool consists of a lapping head made of polypropylene (PP), a coil spring for supplying lapping pressure and holder for fitting on tool post. Lapping slurry is composed by mixing water, PEO (Polyethylene Oxide) and diamond grain. This lapping slurry is supplied between the work piece and the lapping head during lapping processing. The lapping head is made to contact and leave from work piece in regular intervals for catching new grains and removing chips. The optimum lapping condition was investigated for high productivity and high accuracy by experiments. It is concluded from the results that; (1) The geometrical accuracy were improved by using developed lapping system with ordinary lathe machine. (2) The optimum lapping condition was revealed experimentally. (3) The surface roughness and dimensional accuracy are also improved using this developed lapping system.
Źródło:
Journal of Machine Engineering; 2012, 12, 1; 28-40
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lapping for mirror-like finish on cylindrical inner and end surfaces using the lathe with linear motor
Autorzy:
Moe, A. L.
Tanabe, I.
Iyama, T.
Nasu, F.
Powiązania:
https://bibliotekanauki.pl/articles/99806.pdf
Data publikacji:
2010
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
lapping
linear motor lathe
mirror-like surface
high quality
high productivity
Opis:
Lapping is an old traditional machining process that has been useful all along in the human history. Uniform surface finishing by manual hand lapping on cylindrical inner and end surfaces are very difficult. Additionally, the geometrical form accuracy and productivity are lower. In a previous study, the new lapping method for outer cylindrical surface using the lathe with linear motor has been reported. However, this method could not be applied directly for the cylindrical inner and end surfaces. Therefore, lapping for mirror-like finish on cylindrical inner and end surfaces using the lathe with linear motor is investigated. In this study, lapping tool was modified from previous study to be suited for the cylindrical inner and end surfaces. Then, lapping methods for inner and end surfaces were developed for uniform mirror-like finish. Surface roughness and geometrical form accuracy improvement were measured for both surfaces. The optimum conditions for high productivity and high quality mirror-like surfaces were investigated. It was concluded from the results that, the developed lapping system was able to process mirror-like surface on cylindrical inner and end surfaces. Moreover, the optimum conditions for the mirror-like surfaces were revealed experimentally.
Źródło:
Journal of Machine Engineering; 2010, 10, 1; 13-25
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High speed lapping for mirror-like finish using the lathe with linear motor
Autorzy:
Moe, A. L.
Tanabe, I.
Iyama, T.
Nasu, F.
Powiązania:
https://bibliotekanauki.pl/articles/99731.pdf
Data publikacji:
2010
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
high speed lapping
linear motor lathe
mirror-like surface
high quality
high productivity
Opis:
Several machines with linear motor have been developed for high productivity. The characteristics of these machines are high speed, high acceleration and deceleration with stable behaviors of feed. Moreover, mirror-like surface is required to add high quality on the most products. In this study high speed lapping by using the lathe with linear motor was investigated for mirror-like surface. Lapping was performed after turning with the same lathe Lapping tool consists of a lapping head, a spring and holder on the tool post to assemble the linear motor lathe. The spring is used to supply lapping pressure. Lapping slurry consists of water, PEO ( Polyethylene Oxide) and diamond grain. This slurry was supplied between a work piece and lapping head. Then, high speed lapping was performed. During the process, the lapping head temporarily left from work surface in order to catch some new grains and removed some chips. The optimum combination of both the spindle speed and the feed speed was investigated for high quality and productivity experimentally. Surface roughness and form accuracy were measured. It was concluded from the results that (1) Mirror-like surface was obtained by the high speed lapping, and (2) Optimun conditions for efficient high speed lapping was revealed experimentally.
Źródło:
Journal of Machine Engineering; 2010, 10, 1; 26-38
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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