HAL Id: dumas-01003731https://dumas.ccsd.cnrs.fr/dumas-01003731

Submitted on 10 Jun 2014

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Réalisation d’une machine qui sert à empaqueter lesplaques chocolatées dans des boîtes en carton

Bilal Alaa Eddine

To cite this version:Bilal Alaa Eddine. Réalisation d’une machine qui sert à empaqueter les plaques chocolatées dans desboîtes en carton. Mécanique des structures [physics.class-ph]. 2011. <dumas-01003731>

Sommaire

http://french.alibaba.com/product-free-img/x348-forged-chain-with-pusher-dog-283439506.html

V = Xt V = . = . m/s

V = W × R = n × d

n = V ×× d = . ×. × . = tr/min

n = Lc + dL + dn = .. . =

L = A + × d + d + d dA

L = × × . × + = mm = m

ddt dtdqi dtdqi + dudqi = dwdqiqi qi

T = mv

= mdtdqi = dudqi =

=> = F + F d + F × d => Wq = F + F + F=> = F + F + FM + F + F = F=> × × + F + F = F × V

F = F n × m × g

n = L + d L + dn = + . . + . =

F = F n × m × g

F = F = × . × . = Newtonf = × F f = × F

f = . × = Newtonf = . × = Newton

V = la vitesse parcourue par la plaque transporteuse du convoyeurtemps de parcours de cette distance

x = Longueur du convoyeur + espace entre plaqueLongueur unitaire du plaque + espace entre plaquex = ++ =

x = ms = . m/sPth = M × V × + f + f × V

Pth = . × . × + + × .Pth = wattPreel = Pthg

Preel = . = watt

=

i = NN = =P = MZ

M = PWW = × N = . × = . rad/s

M = PW = . = . i = NN

P = . = . mm

d = = . = mm

N = Z + Z + AP + Z Z × PAN = + . + . × . = maillonsL = N P = × . = mm

F = = × . × = . N

F = q × VV = Z × N × P× = × × .× = . m/s

F = × . = . NF = q × g × A × K

F = . × . × × = .

P = FB × d = .. × . = . MPa

= × ×

= × .. × . . /

= ° d dA= ° = °= °= ° ° = °T = T cos + T cos= =

T = T cos = . cos = NT = T sin = . sin = . N

P = M × = M × × nM = × P× n = ×. × = N. m

d M. × [ ]d × ×. × = mm

[ ]

d M[ ]M = M + M + M

d × . × = . mm

pour d = mm a =b =j = d

l . Ma. d. [ ]l . Mb. d. [ ]

l × . ×× × = . mml × . ×× × = . mm

l . mml . mm

C = R × N × H×a = pour les roulements à billesa = pour les roulements à rouleaux

C = R × N × H×C = × ×× = N

i = NNi = =

d = => sin = = . = . mmarc sin . = Z => Z = . = dents

N = Z + Z + AP + Z Z × PAN = + × . = maillonsL = N P = . = mm

P = MZ

i = NNP = MZ

M = PWW = × N = . × = . rad/s

M = PW = . = . rad/s=

P = . = . mm

d = = . = mm

N = + + ×N = + . + . × . = maillonsL = N P = . = mm

= = × . × = .

= ×= × ×× = × × .× = . /= × . = . = × × ×

F = . × . × × = . N

P = FB × d = .. × . = . MPa

N = × Fq Z × A

N = × .. × . . tr/min

= d dA= == = =

T = T cos + T cosT = =

T = T cos = . cos ° = NT = T sin = . sin ° = . N

P = M × W = M × × n= ×× = ×. × = .

d M. × [ ]d × ×. × = mm

[ ]

d M[ ]M = M + M + M

d × . × = . mm

pour d = mm a =b =j = dl . Ma. d. [ ]l . Mb. d. [ ]

l × . ×× × = . mml × . ×× × = . mm

l . mml . mm

C = R × N × H×a = por les roulements à billesa = pour les roulements à rouleaux

C = R × N × H×

= × ×× =

é

F = . × N = N

. × Mpa Mpa

×= MPa × N m ,

f l = = mm > . mm les conditions sont verifi es

×= MPa × N m ,

. × Mpa Mpa

f l = = . mm > . . mm les conditions sont verifi es

Avec: F : force ou poussee theorique daN P: pression d utilisation barsS: section du verin cm

t = FFAvec: F : force ou poussee theorique daN F : feffort a vaincre pour deplacer la charge daNt: taux de charge %

t = FP × SS = FP × t

d = S. avec d en cm

SS = K × V = × P Pr × KAvec: S ,S : section de la veine de fluid respective en A et B, mm P , P : pression de la veine de fluid, respectivement en A et B, pascalsV : vitesse de la veine de fluide en mm/secr: masse volumique de la veine de fluide Kg/m

D = . × mP × n × s ×

D = Diamtere de la ventouse mmm: masse de produit a manipuler Kg: coefficient de frottement entre la materiau de la ventouse et le materiau de produit a manipulers: Coefficient de securite . pour mantenation d unepiece horizontale. pour mantenation d unepiece verticalP: Niveau de vide bar , N. B: % de vide = . barmn = = g/ Ventouse.

D = . × .. × × . × .

F = P d × × n × s × ×F = . × . × × . × × .