hoja de calculo para engranajes rectos

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DISEÑO DE ENGRENAJES Pot (HP)= 2 Ang. Pres.= 20 RPM (p)= 1500 RPM (r)= 350 T (N.m)= 9.493274046 (en el piñon) i= 4.285714286 m (mm)= 4 Np= 21 plg plg Dp(mm)= 84 3.307086614 Nr= 90 Dr(mm)= 360 14.17323 PIÑON RUEDA plg plg de(mm)= 92 3.622047 de(mm)= 368 14.488 Pc(mm)= 12.56637 0.494739 Pc(mm)= 12.566 0.4947 e(mm)= 6.283185 0.24737 e(mm)= 6.2832 0.2474 h(mm)= 9 0.354331 h(mm)= 9 0.3543 ac(mm)= 4 0.15748 ac(mm)= 4 0.1575 ap(mm)= 5 0.19685 ap(mm)= 5 0.1969 b=F(mm)= 40 1.574803 b=F(mm)= 40 1.5748 db(mm)= 78.93418 3.107645 db(mm)= 338.29 13.318 C(mm)= 222 8.740157 Pd(dnt/plg)= 6.35 (mm) 32 64 Z= 20.13076187 Rc= 1.704765042 optimo 1,2 a 1,6 Wt(N)= 226.0303344 Wr(N)= 82.26831377 W(N)= 240.5365 Fuerza total V=RPM(p)*Dp/2 ft/mim v(m/s)= 6.597344573 1298.357412 ANALISIS A FLEXION

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DESCRIPTION

Esta hoja de calculos ayuda al dimensionamiento de un engrane recto, o al diseño geometrico

TRANSCRIPT

DISEÑO DE ENGRENAJES

Pot (HP)= 2 Ang. Pres.= 20RPM (p)= 1500 RPM (r)= 350

T (N.m)= 9.4932740455 (en el piñon)

i= 4.2857142857

m (mm)= 4

Np= 21plg plg

Dp(mm)= 84 3.307086614 Nr= 90 Dr(mm)= 360 14.173228

PIÑON RUEDAplg plg

de(mm)= 92 3.6220472 de(mm)= 368 14.4882Pc(mm)= 12.566371 0.494739 Pc(mm)= 12.5664 0.49474e(mm)= 6.2831853 0.2473695 e(mm)= 6.28319 0.24737h(mm)= 9 0.3543307 h(mm)= 9 0.35433

ac(mm)= 4 0.1574803 ac(mm)= 4 0.15748ap(mm)= 5 0.1968504 ap(mm)= 5 0.19685

b=F(mm)= 40 1.5748031 b=F(mm)= 40 1.5748db(mm)= 78.93418 3.1076449 db(mm)= 338.289 13.3185C(mm)= 222 8.7401575

Pd(dnt/plg)= 6.35 (mm) 32 64

Z= 20.130761874 Rc= 1.7047650421

optimo 1,2 a 1,6

Wt(N)= 226.03033442 Wr(N)= 82.268313769 W(N)= 240.5365 Fuerza total

V=RPM(p)*Dp/2 ft/mimv(m/s)= 6.5973445725 1298.357412

ANALISIS A FLEXION

DISEÑO DE ENGRENAJES

Jp= 0.34

Jr= 0.41

Qv= 9

B= 0.52002

A= 76.8788

Cv=Kv= 0.81883

Km=Cm= 1.6

Ks=Cs= 1 (dientes muy largos)

Ka=Ca= 1.25

mb= 1

1.4 1.4Ka

tR(mm)= 9

Kb=Cb (sel)= 1.4

a . Kb=Cb= b. Kb=Cb=

DISEÑO DE ENGRENAJES

Piñon EngraneGf(N/mm2)= 14.20802814 Gf(N/mm2)= 11.78226724

ANALISIS A CONTACTO

Piñon EngraneCp(Mpa^1/2)= 188.9792408

E(Mpa)= 206800 E(Mpa)= 206800V= 0.28 V= 0.28

Ip= 0.1385484586 Factor geometr Ir= 0.0323279737Pp(mm)= 14.35406997Pr(mm)= 90.282541788 radio de curvatura

d(mm)= 12.80947383 a.- Kb= 0.9438779 Cf= 1.0595b.- Kb= 1.0117997

Piñon EngraneGc(N/mm2)= 211.8302749 Gc(N/mm2)= 211.8302749

DISEÑO DE ENGRENAJES

ESFUERZOS ADMISIBLES

CL=KL= 1.25

KT=CT= 1

KR=CR= 1

KT=1 Ta<120

Ta>120

St

HB= 160St= 212.8

96% y el 99%Sc

Sc= 586

Gfa= 265.974

DISEÑO DE ENGRENAJES

Gc= 644.6 esfuerzo por contacto admicibleCL= 1.1CT= 1CR= 1CH= 1

RESUMEN FINALFLEXION nf= 18.71998 nf= 22.5741

SUPERFICIAL nf= 3.0430022 nf= 3.043

DISEÑO DE ENGRENAJES