Nov pristop k preračunu aritmetičnega srednjega odstopanja profila pri kopirnem frezanju

Peterka, Jozef (author)

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
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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

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.