Tabel Dan Grafik Gear

8/18/2019 Tabel Dan Grafik Gear

1/18

22.7 Tables and Diagrams for the Calculation ofS pur and Helical Gea rs

129

Tibk 22/11. Guidanc i for

Bd

IkgVmm21 for spur and hciical gears with C =

2W

Tible 22/12 Guidance on lubrication and gcar quality, twth crroct

/.

and f,

- --

0,35kD i

B =

iC0858O~Ssa(i

+

11

S

fmm Tablc

22/13

for S 2

1:

for

S.

<

1:

k

from Tablc 12/26

Table 22/13. Guidancx on thc ncccsrms safcty factor

B d = B

B m I = B o to

3x

wit

substitution o f

Se= 1

C

from Tablt 22/18

Factor

ofuiay rgaiaa

k iic

gcaringl

Finite

lifc g c a M g

t

periphcral velocity

i

lmlrecl

Lubication

Quality

actors

Suifacc rough

DIN 3962

l

nc/i,,:t

0

...

0,8

0.8

4

4 ...

2

Automobiles:.

Firsl und revcrsc

g

. . . . 1

...

40 40 -..ZOO 2 0 0 . - .

H i g h s g c ar s . . . . . . .

Grcase application

Grease or splash

lubrication

Splash lubricaiion

22/14.

Guidancc on f d4 os d Lirc

L,

Ir

~

Finite

Iifc

~eating L,

lhourri

Machinc tw ls

. . . . . . . . .

Lfling equipmenf:

Hand winchcs , c tcc t r ic hois t r

Piece goods winchs . . . . . .

Grab winchcs . . . . . . . .

T h c

swfacc

roughnerr is not

s cd in

DIN 396 2 cvcn though it

has a

g m t c f fm o n thc surfacc load capacity sec

thc

fwtn otc re fc md 10

at

the cnd of itcm a) piaing

in

s d o n 21.5.2).

For

the combinaöon of t w t h surfacxs and 2 R,

=

0.5

Ra

+

4 3

Noie: Base pitch error from DIN 3961:L , ~ g ,3 + 0.3

m

+

0 2

6 P]; ootll-dircctional

error

a s per the suggeslion o f

FZG:/, g b=

h a n g m g e z r s without crou,ning of the 100th s u m i i i t h ro~ vning.= 0.3 with cro\i>ning and straddlc m ountins

..

af tlie hevel Fnion.

1 6 .

10

6 3

4

2.8

1 4

1

0,7

4 .

3 3

2.6

2.0

1 G

1.3

1.0

0 8

o,64

cast

coarsely cur aur

finish machiwd

coaise ground

1 2 - . . 6 0

j

9

...

5

2

...

3

...

.5

2

12

11

I 0

9

100

W

l O . . - 8

4 0 . - . 2 0 0

...

20 W

fine ground

Spray lubncation

,naster gear

5

4

finc

finirhed

shaved

Traslorr

-ga

vdiclcr

7 1 2

6

G d

vchiclcs


2/18

13

I

22

Spur and

Hcltcal Gears Desisn and Calculal~on

Tibk

22/15.

Module saia

25,4/Di

25,4

Ci/*; t,

25,4

n/D9 25.4 Ci; x 3,141593; 1 = 25.4 mm,

DIN

4890).

Tablc

ZU16.

Minimum number of teeth ;

in

thc

normal scctian

For

209

nandard teeth: z . z >_ 24

r > 12 for vcry iow vclocity; z S 14 for medium vclociiy; 1 2

8

for large velocity

For ZU f rh (at

mdium vclocity)

I z.limasdb~tn -mim

W b v P a n t d W

Tibk 21/17.

W u m

alun ofq , i i

5,-

= hichas of thc

u n m portion of

th gear rim

m, 6/10 Ckrncazt

tc h

m,,1 /15

cut

t~~th

caringwppn tajm rted

trmriirrr

ar ovahao* pinim

.. m

6/25 aocuratdy cui

wen suppaiud

g a

m ~ b ß O

aauratc lynhamiratd~pdd~ngadarpport

m 6/50

cui

b /4 C 1

pPiUd

aad rigid support

b/db1 0,7

b/dbl .2 rixid.Ildmc

mmdimsdrit= w

igatz2m

For

ouble-helical gears.

b i s thc l

width

for on

h d u .


3/18

22.7

Tables and Diagrams

for

thc Calculalion

1

Spur sn d Hel ical

Gears

Tabk Z t / l Guidana

for

ih

sdec t i on of

thc

shock factor

C

T = M „JM whcre

M .

is

the

rep~e?didly ppticd max imm cxlcrnal torquc and I, is this nominal torquc of the

cdculation.

U thc starting

torquc

M

is

thc

dcciding torque

M- =M

is 10

c

ceiculatcd

as in

wction 20.4.8.

Dxiven rnnchins

Gen erato rs fecdinp mechanisms belt convey ors light

hoista. turbo-blowers and compressors. apitators and

mixers Tor uniform denrity

Muin drivcs of machine twls. heavy hoisis cranc rotary

drivcs. mine ventilaiorr. agitatars and rnixers Tor non-

uniform densit?. multicylindcr pirton pum ps. distribution

Pumps

Prcs ses slicars do us h mills rolling rnills and steel works

machin ery powe r showcls. h e a y centrifuges hear dis-

tribution pumps

n

Fig. 22/37.

Dynamic

load factor

C

a o d y

f I argM

of

thcwt aron / ,

fl.

-

dsck=

d s c c

kglmm =

kgflmm

DnvUig machinc

Single

cylindm

1 5

V

1 75

2 25

Turbiic

multi

cylLidsr cngUis

1-1

1.25

25

1,5

1.76

1 0


4/18

132

22

Spur and Helical Gcarq Daign and Calculation

Tabk 22/19. Load

dim ibutio n facto r C, for

T

,&. o U C , C,), fro m s d o n 2 2 2 4

C,= l for

the

mmKmation St/St:x0.74 for St/CI;=O.55 for

CVCI:f .

fmm Tablc 22/12:

.

.

.

C lin) for

linenr

load dirtnbutioa urc whui C b a r ) s not cnsurcd);

C, (p ar ) Tor

plrabolic

bad disbibution aRa thc cn

Nnnuip-in under

load).

~ n b l eZIZG

Delcrmina tion af&. and C, for thc operaüng periphcral farce U C, C, whcn

the

load carrying face widlh b' (at

thc r o k g circlc)

is

known fram thc "tooth contan markiig" at thc peripheral force U

Takc fram Ta c 22 20: T for (b/bY;j,. = T U,/(CP),

Take from Tsble 22/19:

C

for

T= T

U,/(U C, C,).

T

(lin)

is valid for

linear

load diruibution

ovcr

b'

T par)

is vgid for pmbo l i c Ioad dimibution

over b'

F 22/38. Fi-tor CB for

hciiul g w n

wit 204

For ß=0. C p = l ; f o r

F,=

2, 3 ... CB=1.4/c; for

E>

1,

CBx 1 . 4 1 ~

li) = 1.75.

6 1 7

12

5

_ _

8 9

18

I

3

i4

_ _ - - _ P -

6

I E l

10.7 12

1,3

: l f

I l . 5 i 2 E 6

2 6 8 1 3 4 5

_ I

b ' ) =

=

1 1 . 2

2

6,66

5,33 8 9,3373

1.86

2

2.66

3.33

p ( p s r ) =

upto1,33 1.6


5/18

22.7

Tables and D iagrams foi the Cdculation ofSpur and Hclical

Gedrr

13.;

& i h d c u l a t i o n q u a n -

titicr dcpendent on helu angle

Pa. for

209

6. ~ 0 9 8 ,

cq j ;,j7,

On

1.m 1 m

I 0 999i 1.000

Fig.

22/39.

Contact ratio

E

=

,

E

in

Uansvcrsc section and

E,

=

dcos

B

in

normal

wcrion.

8

and rom the diagram with

=

d„/z

=

d„l i and h„

=

0 5

du

d„I

and h„

=

0 5 d„

a: .

- -

-

i~ ,

„

(tan a„

an

U,)

Equalian for diasram:&,

=

Ik, s h„

a„ from cos

a;, =(WS

o,) d„ld„:

a,

from sin

a

= rin

a,/cos

ß

Inncnverrahnung

=

nternal

cth;

Au cnverzahnung

= external teeth.


6/18

134

22

Spur

snd

Helical

G m .

esign

2nd

Calculalion

Fig. 22/40. Root factor

Valid for forcc application at tip Tor 2.25 m. wholc dcpth,

a

=.2R

ero

backlarh;

mtiral

wction at point af cantact of 309 tangent: gcnaation by

rack

ith 0.38 m tip

ruunding

and

radial

cluvmcc

s =

0.25 m..

Tabk 21/23.

Factor ?C

ible 22/12. aclonqcandyc

l

Gcar

1 is

the dnvcr:

qZl 1,41 en 04 )

~4

1,41 sy1 0,4)

Gar

is thc driva:

i41 €w 0.4)

q 8 = 1,4/ r, 0.4)

= Normal a n t M ratio from Fig.

22 39

T 12/24.

Faclor y

ß

for

r r o 20

uit

r in [mlsecl m.

in Imml

md

f n pl

= high of

hc

tooth

31

e=on L> L .

32

33

34

2 27

2 23

2 19

2 1 6


7/18

22 7T ab ler an d Diagrams for the Ca1culation;of spur 2nd Helical Gcars

135

Tnblc 2 Z h . Material data*' (canvm.on for othcr operaiing condjtions is givm in Tablcs 22/26, 27, Figs. 22/41, 42)

thc

table.

For th c cambiiat ion of tmth nina eej 1 and

Rc 0.5

(R, +Ra); dist of 17

n

k

s

ans i dc r cd

in

the fwlnotc

referrr3 to at the ~ n df item (a), "pitting"

in

so21 1121 5 2

h c rnatcrials 31 to 35 are newly included in t he w m nd r cpr in t and m a l c d s

7,

17 und 26, which arc

vcry

littlc uscd,

Matsial

T& pi e in thc find n ~ h sear Sur:

condition

==#

--

s f lm k ~ m m

on

I

U nm

tptlmm

ksfimm

18 170 0.19 4-5 18

Dm gmion

GG 18

GG

26

fcmtic

pcarlitic

S 52

CS 60

No.

1

2

4

6

26

60

70... 75

52

60

Type end T t e m u i t

Grey cast iron

Mdleable cast iron

Cast stcel

8

9

10

1

Machine stcel

Qucnched and lcmpered

St50.11 SO... 60

St60.11 60...

0

Stif&ll, 70:.. 85

i 50... 60

12

13

14

15

16

8

19

20.

21

22

3

24

25

7

28

9

30

31

. 32

33

34

-

-

21

24

0.33 6,O 26

170

250

150

175

IThc tcn 8- wcre m o d y of thc foliaaing dimcnsionr:

rn

=3 mm; I,= 27, z,= 34, b= 10 mm; 200-Standard tel li:

V = 8 mlwc. InBumocs on load capaaty re cansidcred

is

t s ti o n s 2 2 2 8 and

21.6.

'Up to 35 highcr vdues X mahing with a ucrc-hardmed and üneground

s t d

gear.

'For =

12

mlsec and ground I mating gear.

'Valid for huet radius of curvatu rc r

0.2 m

'Valid Tor c aw hardcning beyond thc rm t fiUet: a b u r 20% lowcr

if

through-hardencd:

o,<

25 kgf/mma ifcase-hardencd

on t he t w t h Rank only.

'Corresponds to the cwcntly U& C - V ~ U C= Ulbt = 0.8 kgf/mmz.

'For ninning uith a matilig acel

gear

o l a b u l t he samc hardnesq oii

Wcasity

100cSt and suriace roughncss given in

0,32

0.64

0,21

0,30}'

23-..28

28...33

3>...40

22...27

150

180

208

140

stcel 65.- 80

da 90

-

34Cr4 90

? & S i 5 SO... 95

42ciXo4 95...110

Cs%-carbwizcd stccl 5 5

hardcned st l

5

25

5

7,s

0,231

30-..34

34...41

36...44

38...46

46...54

27

-

-

-

-

-

-

-

-

-

-

55

65

80

60

9.3

80...110

100.-.I30

90...120

120...145

65..- 80

90...105

90...110

140...180

150...190

-

-

Flame

ar induction

hardcned stcel

Cyanidcd stcel

Laminatcd,plasiic

100

140

47

52

3,O

16iIbCr5

20iIbCr5

15CSi6

18fiSi8

Cbr45-

37MnSi5

53&Si4

41Cr4

37HnSi5

m ~sc

6ae

4s5

-

-

-

-

-

-

0,40

0,51

,

0,801

WO

0,80

4,9

5.0

5.0

5,O.

5.0

4,3

185

210

260

260

300

S.G. i rcn 80.-- W

Batii-nitrided sie 55 M

80

90

90

95

110

. 95

140

160

160

i O

140

23

25,6

31,5

2

42

47

44

47

90

270

360

310

400

220

270

275

460

470

-

Bath-nitided

Gas-nihidcd

sie

3,O

2...3

736

650

650

650

650

95

560

615

95

550

300

450

660

700

3,O

3.0

6,O

3,7

4.5

4.3

3,6

.E amcor ind~~ct ion n l

2fi~0104 0

. 110

42CrX04

31CrXoVQ

125

35

10

32 I90

35 200

.

17

110

1,s

1.8

2,7

3,s

85+ 90

70f 85

22

31,s

68.0

45,O

140

110

150

1

3.0


8/18

22 Spur and Helical

Gears,

Design and Calculation

Tsblc 22/26. Surface nren;lh

$ '

and full-load life L,

k~

=Ya YE YSY JG

-

with k from Tablc 22/25, for the calculation of the safcly factor S .

with

k

fram Fig. 22/41. for prercribcd Ne

L,.

Factor ; Tor mnning of thc material of

Tablc 22/25 with stcel

y 1.5 for running with cart iran

y

0.5 + 2.1

X

10


9/18

22.7

Tablcr and Diapranis for

ihc

Calcuiation of

Spur

and Helical Gears

I 7

Tible

22/23.

Guidance on ail viscosity

V

(cSt at 50°C for cn~ l os u l n v a

mth

45

10

90°C oil temperaurc

rjo CfJj O.4

10

2O4'4.4

Table 22/29. M„,,-valucs foi

conmon

gcar ailr

SAE grade

M„, Im ~ g f lor mincral oils

Gssrr for

oi V ;csl

rüaiaht mild

ndditivs crtreiiic

prcrri


10/18

erancangan roda gigi kerucut dan hipoid

Tablc

2311. Rccommendcd valucs for bcvcl gcars

.5: hudeirc0 hlyoid g w s 2 fies rafhcr at

Ihc

lowcr

limit

md Torstraight toothcd unhardencd

CL

gcars rathtr at

ths

uppcr

S i 1

For

dA

=

RQ

and 6 S

0,s

Rb

S

0,15

dbi

fd

= 2.83 2,27 1;10 134 1 2

1,17

r l

d,co6d1 wsSß ; z

P.+

in

Tlbk

23/16

6sIOd,looa~ j z l corresponding to

b

5 10

I

Tor Standard values Corni and

b/Rbd

2,

bldbl

S 0,75

tri SEC Tablc

22/15

prcsrure

rngk

a

2W

ddendum h,,

=

h

=

m for

zaeearllrg

dtdcodum =

h,, =

1.1 m

W

1.3 m,'for zcto gearing

mutionil b a e W S = 0.025 m. to 0.04 m

TiMe z3/4 Rccommcndcd vaiucs Tor hypoid tooih bcvt i g~ willi positive arial disptaczmcnl m d 6, = 90 1

Initial cstimates

According 10 ihc choicc of

d„

i rod

2a/d .

. V 60 d„ Q s ß„ md ß„

t0

Tablc 23/3

2a

O,9i

,45 Tor light motor

vchick.~

nnd industrul dnvcs

s

drn9

4-4

.23

Tor

h u v y

motor vchiclcs (tnick~f

t g - i

di

= (1,3..

1,s d,,/i

(rot negative axial displaccmcnt

d

-i0.76

d,e/i)

Profile displaccrncnt

z1

1 5

. . S i 9 i

10

I1

2

13

14

AVildhabcr

123140 j

j-__ ____---

z „ = - tm o=

; 0,70

1

0.66 0,59 032 0 44 0,3S 0,30

hlininiim

number of

tccth

(Glcason)

Morcovcr:

Cm61

coaf8m

rat E z,

in

Tablc 22 16

___

TmIh widlhr

S0,31R W 2 or -0,lS

d m ;

mormvcr: b z s 10

m

bl s. fTab c 23;;;

Prcraure

anglc

in normd-

s =

n ior

wcetw

whcd 61& rod convcx piuion unk

sccrion for hypoid

gcarinp

(Wildhabcr [23/40]

a =

cn

A n

Tor convex wbccl Bank urd cuncdve p s o n fl nk

2 R , ß

--

suißmrt in orZa to compnisetc Ihc

cngagemcr,:

tgdes;

d „ 4 d,?

conditions for IcR and

nght

fl s

C .

0


11/18

156

23 Bevel

ears

and

Hypoid Gears

Ti 231 Gmmetncd rclationships and dimcnsions for bevci guvr (Fig. 23/12)

Indcx I for puiion,

indcx

2 for

b v c i

w h d , i n dc x

n

for quantiticr

in

Ih e n orm al s d o n . i n d u m for ilic middle of Ih c 100th

width, index

E

far quivalent s x g m , ndex 0 cfcrs to pitch circlg indcx b rcfcrs

ta

opcrationnl rolling circle

Noic UsuaUy r o l h g w n c aod pitch w n c wincidc so Ihat we have 6, = 6.,. d„ = d „ ctc.

Dimcnrionr Rclationship

Meahhg dh ea slo ni (mfemcd ta thc m h g

cone)

AUS

angle

R o h g w o c angle

Roiüng w n e length

Rolling ckcle diam ctcr

(at Ihe

back conc)

L Rcdunian ratio

.

I

Eq -

rpm

in

1ß_ ~ r S ~ ~ r ~ ~ ~ . ( n o m a l r c a i o n ).

d c g .

„mas&=-aon

19

Hd*

nglc dcg. P ' = &

1 2

1 3

14

1 5

M u . h d -

( r c f d

ta thc middle of the tooth v idh

and

roUing wnc)

Numba

f e h (nom integer)

Rolling cirdc d iamaer

dcg.

mm

T i p m e a a g l e

5 Tiian.de

E Addmdum

.o

L

paiendum

Addcndvm

N c l c

diamctcr

Backcooilength

Module intnnsMne d o n

Module n eboa

Tw Ih MdIh

N u q b a d t c c r t i m d

wction

6~ = 61 6.

ei n dd

61 from t g 6 i = . 6 s = 6.4 1;

c w d d

R b

= 0.5 dbi/9 dl = 0 5 d b 2 / s i n 6 2 ;

mostiy

Rb = R a

2 For6, = 90 t g 6 , = / t g 6 1 = 1/oosd2 = /s inOl = V

5

I

M.nuf*etudng

dimcniioos

(referrcd

U

thc pitch

circle

at Ihe

back

w n c )

l

mm

1

d b , = 2 E b a i n d l ; d b 2 = 2R b8i nd2 ; most ly db = do

= 31zl = dbr /db , = e indn/ s indl

c Pitch mnc anglc

e

deg.

X

&csrucanglc deg.

Helix

angle

deg.

b

f b = - = - s i n 6 1 = - s i n 6 2

b d a 1 d b 2

mm

h l „

mm

l ;n l .m, , ,= - rmn.m„

W i d t h r i m m b k

2311)

Addendum

Pmhlc

displ scacnt

601; 602

=o,w,; t g = o = t g w J o o s ß o

80

F a dA= 00 :

f b =

dblY;a+i

~ 8 6 ~

i

-

n/zcl

= i- = t g 6 P j t g 6 1

e C

m a d 2

~ , ~ = y l ~ a d ~ ;. s = d w a 6 e

d „ = d m ~ a o e 6 1 = d b l l - f ~ ) / w 6 ~

dC2

=

dne/wt862 = d e l - i ,

m,

=

G1/z l = d,Jz ,~ = .d ,dze2

m„

=

m.wsß,

=

d,lwag,/z,l

Numbcr of tocIh =I

Pitch circle diameier

Modulcin thc

t r a n r v c r w d o n

M in Ihe normal d o n

Pitch mnc

k a m nun

Ra = 0.5ddain6,

Tm & M dth

mm

i = ii:

za~=z1Yi;41-?i7;2

z l Z = i m

d a „ = d d m

d „ = G d „

b, = 6

=zC1-ZJZ; z


12/18

23.4

Displaccd Bevel

Whecls

(Hypoid Drives)

63

Tiblc

2W3

Gcometrical relationship and dimension fcr displaccd bevel gears Mth

6, =

900 (Fig. 23120)

Index 1 for pinion, 2 for bevel wheel, indexp for crown-whsel: indcs c fr>icquii~nlent piir gcars: indcx s or equivalent

spiral gears: index ni foi m a n dirnensions of bevel gears, index n far skes in normal section

Dimmrionr I Uniu I

dawodiips

Mnhing

dlmcodow (rcfcrrcd to rolling wnc)

Axis angle (angle ofinterscction)

Rolling conc angle

Distancc from the

Mir a;

in thc plane of the crown

whcd op= R m i in q p

Rcduction ratio

Number af tceth

Displaccmcnt angle

Anglc ofw nta ct

M- d i m d a n s (rcfcrrcd to the conract Point

P

of fhc rolling

conc :

I

Hclk

anglc in hc plane of

tbc

i d m d d a z

-

o s v ,

cmwn wha l ~ Q P

for negative

axial

dirplaccmcnt, Pm <

Brne

Piesrure anglc (normal sectian)

dcg.

I

an

d m z m g m n W ß l

3tci1 rjrdc diamera

mm d m l ; d - 2 ; d m i = = ~ i :

e o a h i

sin

bs

Anglc of i s (anglc of

iotcrwcrion)

Hclix angle

Prcrsurr aogic in normal d o n

Moddc in aormal

d o n

Pitch w ne length

mm

ToothMdth =

I

For tmt W pm6lc

t, iddindum sos

m m imcnsiom

e g ~ - e r - w - ~ - C ~ a : - c - ~ ~ o t i

)

(darod-U>- W-pointk,

„ = O,5

dml/aind1;

R,z = 0,5dm2/s in62

b ~ 0,18 d , ? ; b 1 = b J c o a q p + 3 m n @ p l p

ReduFtion RBtio

~ u m b af

W - in- )

Pitch cirde

diamdp

Module in n o d n

Rcdudion ra jo

Prodle displaccmat (Tablc 2314)

~ , ~ m ~- = m z ' m

A d d a d m

z I h t , i .

h t m z

Minda g

mclidoru

wt Tablc 2312)

E q d v s k n t ipfril 8-

Ciadu s (referred to roiüng mint)

Numba o f W

(non-integer)

ze

= zc

,

l d ¿ ;

2.n -861

,-

C-6n

Pitch cirdc di a m w

dmz

d d =

cosd2msPqp

Modu e

normal d o n

mm

mm

Too Mdth

Numba

of mth . normal an

z r n 1 = z e l z J ~ ; ~ , , ~ = Z , ~ ~ J Z

ith Z J Z fmmTablc22121

Pm ph aa l velocity

1

s

1

o

=

al = dm l nJ19100

for prodle displaczmcnt und addcndum

sec

mcan dimcnsions

z„

=

z , / m s O l ; 2 2

=

/ ~ 6 9

d r i = d , , , l / ~ d l ;

d 2 = d m d w d n

m,.=m„


13/18

erancaizgan rodagigi cacing

fable 24/1.

imensions

of wornis Fig.

24/18)

Tabk U/1 Empirical valuer for

2 . 2 .

d„/o rr =z,

+,?X,

and S

E-worms: normal

k

buiit

wilhim th

limits

1 i o

H-worms:

normal

2r 2 buiit within thc limits

= ro 3)

Check

Tor undercurting in

th

ctntrc oT thc whcel Tor A - w o n

as

lirniling

case):

I

g Zh,.,,/ m sin2 U

Tlic

calcuidtcd valucz „ ean

bc a

non.in1cgcr backiash

oFthc

whcel flank iccordin g to

[24/31. S, Ip > ni

(0.3 z, I

5

Worm

0

1

Y

mmi

rmm [ I

E20

H22

E 10

H

10

1

100

178

L78

19 4 8

1 4

QQ28

20

9,75

10,7

42 5 3,75 10' @

66 S,B2 W o 8

67

838 20 34


14/18

2 24 Worm Gearing

The

cquaiion

Tor4

war uscd

ar a

first approxim ation according to data on

lil by Tuplin

12411061. (Adcqua ic

nuinbcr o l

iesi daia wer; not availsble.)

Teble 2414

Twth shapc factars

/

and

y

for

I

and

ii

Table 2415. Dzta for material vduer

k and

. .

riring

Worm mndc of Whccl r h madc

of

kpf&2 J-

.

1 Cu-Sn-Bronrc 0.8

I

Stccl hardcned

m

Al-doy 0 425 1

3 ground

Pwrlitc

casting

1 -

1 lO

Cu-Sn-Bronze

0 4i 1.5

5 .

tccl

hurt

trcatcd and Al-doy 0 23 l 5

6

not

810und

Zinc-doy 0 17 1.5

C1

12

0.4 1 8

Cu-Sn-Bronzc

0 4 1?

Grcy

casting

CI 18

Al -~ OY 0 3 1.16

10 I

CI

12 0.35 1.30

Table

2416. Datn

for

C

far

a

= 2CP

for a =

25

values 1 2

timcs)


15/18


16/18

202

24 Worm Gcaring

Tpbls

24 .

Velocity cocfficicnt /.

=

2/(2 V: ) for km„

Cwfficientr accotding to

GM

124141; far largcr co ns trudon sizcs probably t m unfavourable (sufficicnl nurnber

af

tertr not available).

Tablc 2419. Coefficient V. far N..... for iefercncc time h = h (100/a) (Yk/ ) n hours

Tablc 24/11. Coefficient

and

J

for NJN2

Table 24/10. Coefficieni .vk for N

~ i ~ .4/19. Total cfficicncy

q for

E-worrn drives

ac

Fig. 24/20. Total efficicncy for H-worni drives

ac

~ ~ ~ d i n go Table 24/13.

cording 10 Table 24/13.

~ o t t c d undlc of lincs- recorded exarnple Tor n,= IWO.

=

200, and i 10.

U/rnin

= rpm

Blower

without

With

n.

I 0 1 200 400 G00 1 600 1WO 1200 1400 1GOO 2000 2500

1

3000 1 3500 4000

1 Ol 1.03 1 06 1 09 1 1 1 1 1 42 1 58 177 1 98 2.20

I

I1 03 08 1.16 135 1.35

1

1

2 .

2.45 I2:95 3 48


17/18

24.16

Tables and Diagram s

203

... .

Tablc

24/11

Rcsults af comparison tcrtr with

E w o m

drive,

G-

and H-w arm drive under snme operational conditions with

the best design: Axial distance 178 mm according to 124121

E =

lvolute w om G

=

glaboii

worm

(cone worm), H

=

ollovr flank worm (Cavex)

Dimension Flank limit

z /z

-

Objestianr

24,4 91,O

1 pit

24,9 91.5 without

29.7 91.3

light grooves

Tablc 24/13. Exampler for E- and H-worm dnves derircd in the best way. r, = 40. material pairing I (Table 2415).

Calculated: total efficiency

r(

for limiting power of Ranks

N „

and

=

I; tcm pcraturc limiting power

N „

for-the model with

blowei aod for givcn

q.

For corresponding diagrams for

V

N „

a n d

see

Figs. 24/19 to 24/24

1

25

45.6 0,281 0,264 56,O ' 1.73 1.14 68.8 9,8S1 5.60 80,s 57.3

'31.6

500 49.5 0.463 i0,310 62,l

1

2.G 4 73.7

7,12 83,8 83.1 40.2

40

. .

1000 53.6

'

0,711 0,403 66.0

1

3,86 1,91 76.7 84.5 106 1 50,3

l2

1

2000 56.4 1 1.04 0.646 68,4 5.31 j 3.11 77,3 b 7

83.8 137

i

73,3

I 42,4 98.3 385 340

62,3 98.5 544 420

E

8

3

250

M O

'0, 470 10,392 75,1

1

3 , ~2. w 65.8 19,s 12,2 93,3 124 1 90,O

,500 69,4 0,793 0,505 80,9 4,92 2.82 89.5

j

29,7

j

l7,8 94,4 178 1117

20

1000 74,6 1.23 j 0,722 85,O 7,34 4.33 91.3 42,O

i

26,O 94.4 233 142

2000 78,7 180 1.32 86,8 10,2 5.42

91.2

1

55.8 38.6 94,O 300 196

I

I

250 47.7 0,307 0,274 60,2

i

1,90 1.26 75.5 1 1 7 1 87.5 70,O

I

48,7

I

500 530 0.50 0,330 68,5 3,M 1 , i l 81.3 17"

i

100 89,6 1aO

62.8

I 40+

1000 59.5 0,780 0,462 74,2 1 4,36 2.52 84.2 23.8 14,3 89,E' 132 76.0

i

2000 64,s 1 l.10 0,600 76.8 1 602

412 84.2 6

1

215 89 0 170 1%

ZOO

7 8

; I I I

91,s

,

33,4 20 3

93.1 50.5

1

27.1

94,l 69,5 38,s

94.2 90,4 59.4

88,4

/

22,4 i 1 5 , ~

90.7 342 20.1

92,O 1 47,s

1

28.7

922

i

60.7 j 43.7

81,O

i

15.3

j

9,20

84,s 22,5

i

12,2

86.5 31.9 16,8

86,8 1 41.9 25,9

l

,

-

1 l0

3

1

20

I

l

250

500

1000

2000

250

500

1000

2 c 0

250

5(M

i

2000

n

-

50 n m

dm

-

23mm

L

1

P H P

82,2 / 0'769 10,809

84.3 1.31 0,991

86,5 12,09 1,39

67.5 3,14 2.28

56,O

0,53

C

0,577

77,s

0,91 j0.701

80.5 1.46

1

0,963

82,3 2,19 1.59

62,O 0,378

;

0,380

65,i 0,636 0,432

69.2 1.01 i0,630

71,6 1.51

o,i

100

1 4 0

Nxr XI

1x1 1 [HP] i

[HP)

%,8

1

211

95

295

5,9 386

95,7 473 277

93.4

94,s

94,7

94,s

89,O

90.9

I

100

12

I

1

87.0 5,28 1 :,E0

8.42 5.10

9.4

1 I

08

1 2 3 7,15

91.5

17.4

1

1 1 s

40 . 90,o

200

1 113

266

149

333

1

216

.

92,O

1

55,2

132 1 71.5

81,8 3.51

@,2 1 5,71

872 8,66

88,3 1 12,2

71.2

j

2,42

76,l 3,86

79,O 5.78

80,i 8,03

9i,2 176

1

8 9 3

90.9 I224 130

2,i4

.

3,62

5,W

8,45

1,74

2.26

3,13

5,13


18/18

Fig 24121

Fig

N 2 2

Fig.

24/21 and 24/22. Limibg powcrs

N

and

N for E worm r i ve suording to

Table

24/13

oacd bundlc

of

in r ecorded u m p l c

or n

1000 200 and

10

PS

HP; V/min rpm.

Tabel Dan Grafik Gear

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