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Nov pristop k preračunu aritmetičnega srednjega odstopanja profila pri kopirnem frezanju
Peterka, Jozef (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-F92NHMHL This link opens in a new window

Abstract
Hrapavost povrsine, kot posledica frezanja s krogelnim frezalom, je v strokovni literaturi in univerzitetnih učbenikih le redko opisana. Problem je pogosto poenostavljen. Kar pomeni, da so uporabljena poenostavljena razmerja za teoretične izračune hrapavosti površine pri kopirnem frezanju s krogelnim frezalom: računski parameter Rz in največja višina valovitosti profila. V tem prispevku je predstavljen izpopolnjen izračun, ne samo parametra Rz, ampak tudi parametra Ra, aritmetičnega srednjega odstopanja profila. V prispevku so predstavljene nove enačbe za neposredni izračun aritmetičnega srednjega ostopanja prečnih in vzdolznih profilov pri kopirnem frezanju ravne površine in poševne površine.

Language:English
Keywords:copy milling, finishing, surface roughness, free form surfaces
Work type:Not categorized (r6)
Tipology:1.02 - Review Article
Organization:FS - Faculty of Mechanical Engineering
Year:2004
Publisher:Association of Mechanical Engineers and Technicians of Slovenia et al.
Number of pages:str. 594-597
Numbering:Letn. 50, št. 12
UDC:621.914
ISSN on article:0039-2480
COBISS.SI-ID:7895067 Link is opened in a new window
Views:620
Downloads:278
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [et al.], = Association of Mechanical Engineers and Technicians of Slovenia [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 This link opens in a new window

Secondary language

Language:Slovenian
Title:A new approach to calculating the aritmetical mean deviation of a profile during copy milling
Abstract:
Surface roughness as a result of milling with a cylindrical ball-end cutter isdetermined in the technical literature, as it is in university textbooks, relatively infrequently. The problem is usually simplified, which means simplified relations for the calculations of theoretical surface roughness during copy milling with cylindrical ball-end cutters are introducedČ the calculation of parameter Rz, and the maximum height of the undulation profile.In this contribution an improved calculation, not only for parameter Rz , but also for parameter Ra, the arithmetical mean deviation of the profile, is presented. The paper presents new equations for the direct calculation of the arithmetical mean deviation of the transverse and longitudinal profiles during copy milling on a plane (face) surface and an oblique surface.


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