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Abrasive flow machining applied to plastic gear matrix polishingKenda, Jani, 1981- ...The topic of this paper is the application of abrasive flow machining (AFM) to gear tool inserts polishing. Polished surface on plastic gear teeth improves surface geometry stability, and it ... increases the lifespan, which was proved on the gear testing rig. Experiments have shown that it is an efficient alternative to the hand polishing procedure. Besides significant cost and processing time savings, AFM generates constant surface quality. The achieved roughness is homogeneous on the entire machined surface; it is reduced from R a=0.68 m to R a=0.08 m in 120 s. At the same time, the tooth geometry profile is not damaged. The first time, surface polishing should be done at request because of individually manufactured tool inserts. Processing parameters depend on the type of the abrasive machine, the polishing paste and part geometry. Computer-aided abrasive flow analyses and practical experiments assist in setting optimum AFM process parameters. The paper presents a working set of parameters and a detailed report on machined surface measurement data. On the base of better understanding of AFM process, the surface roughness prediction model and thickness of removed material model was setup. It has high accuracy and reliability for specific applications. The use of plastic gears for various applications is widespread; the presented process improvement is an important innovation for injection molding tools manufacturers.Source: International journal of advanced manufacturing technology. - ISSN 0268-3768 (Vol. 71, iss. 1/4, Mar. 2014, str. 141-151)Type of material - article, component partPublish date - 2014Language - englishCOBISS.SI-ID - 13241883
Author
Kenda, Jani, 1981- |
Duhovnik, Jože, 1948- |
Tavčar, Jože, 1966- |
Kopač, Janez, 1949-
Topics
abrazivna obdelava |
abrazivni tok |
plastični zobniki |
brizganje |
kvaliteta površine |
poliranje |
orodja za brizganje |
abrasive flow machining |
plasticgears |
injectionmolding |
surface quality |
polishing |
molding tools
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Kenda, Jani, 1981- | 30908 |
Duhovnik, Jože, 1948- | 02859 |
Tavčar, Jože, 1966- | 11664 |
Kopač, Janez, 1949- | 06883 |
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