Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions

Mustafa Ayhan; Osman Zeki Hekimoğlu; A. Erhan Tercan

Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions

Year 2000, Volume: 39 Issue: 1, 17 - 26, 01.03.2000

Mustafa Ayhan Osman Zeki Hekimoğlu A. Erhan Tercan

Abstract

Cutting vibration which is detrimental to the elements of mechanically rock and coal excavating machines is always required to be minimized. Assesment of cutting vibration is generally carried out through computer programs using "variance", a statistical term, being a measure of vibration. In some cases where uncertainties are encountered, the variance may not be fully suffice for a conclusive vibration analysis. The variogram function as widely employed in geostatistics may be considered to be helpful in such circumstances. This paper deals with investigations on the relative merits of "variance" and "variogram function" in computer assesment of cutting vibration. The results of an analysis carried out on an actual shearer drum implied that the variogram function may, to a certain extent, prove to be useful in this aspect, though comprehensive studies were recommended

MEKANİK KAZI MAKİNALARINDA KESME TİTREŞİMİNİN VARİOGRAM FONKSİYONLARI İLE DEĞERLENDİRİLMESİ

Year 2000, Volume: 39 Issue: 1, 17 - 26, 01.03.2000

Mustafa Ayhan Osman Zeki Hekimoğlu A. Erhan Tercan

Abstract

Kesme titreşimlerinin, mekanik kazı yapan makinalara verdiği zarardan dolayı her zaman için en az düzeye indirilmesi gerekmektedir. Makinelerin kesme titreşimi genel olarak bilgisayar yardımıyla analiz edilmekte ve titreşimde yer alan parametrelerin varyans değeri bir ölçüt olarak göz önüne alınmaktadır. Ancak belirsizliklerin söz konusu olduğu bazı durumlarda "varyans" yöntemi yeterli olamamakta ve buna çözüm olarak jeoistatistikte yaygın olarak kullanılan "variogram" yöntemi bir alternatif olarak düşünülebilmektedir. Bu yazıda, varyans ve variogram yöntemlerinin bilgisayarda yapılan kesme titreşimi analizi açısmdan birbirlerine olan üstünlükleri anlatılmaktadır. Bu amaçla pratikte kullanılan bir tamburlu kesicinin her iki yönteme göre kesme titreşimi analizleri yapılmış ve variogram yönteminin bir ölçüye kadar daha doyurucu olduğu gözlenmiştir. Buna karşın daha iyi sonuçların alınabilmesi için bu alanda geniş kapsamlı çalışmaların yapılması ayrıca önerilmiştir

Keywords

Kesme Titreşimi, Tamburlu Kesici, Keski Dizilimi, Tambur Tasarımı, Jeoistatistik

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Details

Other ID	JA34PF75PZ
Journal Section	Research Article
Authors	Mustafa Ayhan This is me Osman Zeki Hekimoğlu This is me A. Erhan Tercan This is me
Publication Date	March 1, 2000
Submission Date	March 1, 2000
Published in Issue	Year 2000 Volume: 39 Issue: 1

Cite

APA	Ayhan, M., Hekimoğlu, O. Z., & Tercan, A. E. (2000). Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions. Bilimsel Madencilik Dergisi, 39(1), 17-26.
AMA	Ayhan M, Hekimoğlu OZ, Tercan AE. Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions. Mining. March 2000;39(1):17-26.
Chicago	Ayhan, Mustafa, Osman Zeki Hekimoğlu, and A. Erhan Tercan. “Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions”. Bilimsel Madencilik Dergisi 39, no. 1 (March 2000): 17-26.
EndNote	Ayhan M, Hekimoğlu OZ, Tercan AE (March 1, 2000) Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions. Bilimsel Madencilik Dergisi 39 1 17–26.
IEEE	M. Ayhan, O. Z. Hekimoğlu, and A. E. Tercan, “Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions”, Mining, vol. 39, no. 1, pp. 17–26, 2000.
ISNAD	Ayhan, Mustafa et al. “Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions”. Bilimsel Madencilik Dergisi 39/1 (March 2000), 17-26.
JAMA	Ayhan M, Hekimoğlu OZ, Tercan AE. Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions. Mining. 2000;39:17–26.
MLA	Ayhan, Mustafa et al. “Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions”. Bilimsel Madencilik Dergisi, vol. 39, no. 1, 2000, pp. 17-26.
Vancouver	Ayhan M, Hekimoğlu OZ, Tercan AE. Assessment of Cutting Vibrations in Mechanical Excavating Machinery by Means of Variogram Functions. Mining. 2000;39(1):17-26.