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## THE INFLUENCE OF PRESS AND DIE ON ENHANCEMENT OF BENDING ACCURACY

Grizelj, Branko
THE INFLUENCE OF PRESS AND DIE ON ENHANCEMENT OF BENDING ACCURACY // 3rd International Congress of Croatian Society of Mechanics / Pavao, Marović (ur.).
Zagreb: Croatian society of mechanics, 2000. str. 651-658 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)

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Naslov
THE INFLUENCE OF PRESS AND DIE ON ENHANCEMENT OF BENDING ACCURACY

Autori
Grizelj, Branko

Izvornik
3rd International Congress of Croatian Society of Mechanics / Pavao, Marović - Zagreb : Croatian society of mechanics, 2000, 651-658

Skup
CSM CROATIAN SOCIETY OF MECHANICS

Mjesto i datum
Cavtat, Hrvatska, 28.09.2000. - 30.09.2000

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
bending; press; die

Sažetak
There is a large number of procedures for manufacture of working parts by process of deformation. Bending has an extremely broad and versatile application. Kind and size of work pieces on one side and requirements regarding accuracy and shape on the other side determine selection of many of these procedures and bending variants. Elastic part of deformation causes deviations in shape and bend precision. The important criteria in evaluation of bent components is the bend angle allowance. Relative bend angle error can be taken as bench mark for measuring of bend precision. The effect of elastic spring-back on bend angle can be eliminated, if the elastic spring-back equals in one area to another force but in reverse direction. This paper analysis the influence of the press and die brake on improvement of the bend precision. It takes into consideration the upper die running, specific max. forces,and die. The interdependence of the bend angle error and the upper die running is given in diagram. When we have upper die running of 5 mm, we get the relative bend angle error of - 0,041. This matches to bend angle after withdrawal of load from die angle. If we increase further the die running we get the positive relative bend angle error.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo

Projekti:
152002

Ustanove:
Strojarski fakultet, Slavonski Brod

#### Citiraj ovu publikaciju:

Grizelj, Branko
THE INFLUENCE OF PRESS AND DIE ON ENHANCEMENT OF BENDING ACCURACY // 3rd International Congress of Croatian Society of Mechanics / Pavao, Marović (ur.).
Zagreb: Croatian society of mechanics, 2000. str. 651-658 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Grizelj, B. (2000) THE INFLUENCE OF PRESS AND DIE ON ENHANCEMENT OF BENDING ACCURACY. U: Pavao, M. (ur.)3rd International Congress of Croatian Society of Mechanics.
@article{article, author = {Grizelj, Branko}, editor = {Pavao, M.}, year = {2000}, pages = {651-658}, keywords = {bending, press, die}, title = {THE INFLUENCE OF PRESS AND DIE ON ENHANCEMENT OF BENDING ACCURACY}, keyword = {bending, press, die}, publisher = {Croatian society of mechanics}, publisherplace = {Cavtat, Hrvatska} }
@article{article, author = {Grizelj, Branko}, editor = {Pavao, M.}, year = {2000}, pages = {651-658}, keywords = {bending, press, die}, title = {THE INFLUENCE OF PRESS AND DIE ON ENHANCEMENT OF BENDING ACCURACY}, keyword = {bending, press, die}, publisher = {Croatian society of mechanics}, publisherplace = {Cavtat, Hrvatska} }

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