BAR13ARICH
j 0 0 ~MOM ww"W
Hot rollir4: of bevel gears . Avt. i trakt. prom. no.5:34-38 MY 157.
(MLRA 10.6)
1. TSentral.Inyy nauchno-issladovatel'skly institut tyazheloge
maBhinostrciyaniya.
IGearing. Bevel)
S011/122- 5E-,-6-
AUTHOR: Va--il'cljiko,.r, '.'.V. , uankdid:~te of Technical Sciences,
Volkov, M.M. and Darbarich, I.-.".V. Et-i-i~iecrs
TITIE: The RollinC-on of Toot-11 in 1,lic! Flu'Llod PiLi:_,, Df Cotf~o;i
-spinning 1-Jachines ~Na'.:atka zublyev riflonykzh tsilindrov
khlopkopryadil1ny'e-.h mashin)
crq,
PERIODICAL: Vestnik U, p,~ V3-46 (USSR)
ABSTRACT: A process for cold-rollirl.:- t'Le teeth _`ji fli~,,tcd ins for
cotto n-sT) inain- -) L-,achincs devclo~-(_-d b,y the Ts1\1jTT1.'ASh
Institute is described. In th-ese coiiinment", 11_~e flutes
have a v3ryinL; -:itcl,,,. The rolli-il-I rolier, of a diameter
which is a -ulti~)Ie Of t1-1C 4-
dia;.-.eter,
teeth rcpe-.tii-.-_~ several tii..: c, tl.e c-, cle cf j,-,J*L-L-1c'h
variation ia t1Ee 03L:-=en_t. To _avoid '11--e re-_CJI, fl-,,- 0.
3
precise :,--elation betv-er, several rollers, o ro 1
I r
rolls the teeth. Thc other t-,..-o in 4 1--p-rolle unit
3 4. ~-, 111 1-,- ly -~ce-roll the nec'-
clear the tDeth u_--id sui~f,
sections betwcon, tI,_c flutc-J, 2_1=--~_-tl,_~. of tl-e )in. The
correct choice of the dia.~~eter of the
before roll-in ~_-~ovod ~_e
,ood acc=zicy. Tes t5s C'~rT'iC-11
1.~ - . 1 , . _ ~ e
speeds have sl,3-~n ',he '--~(--_,_-1L. si-v-1._-d to '1~e T'r--
Cardl/2 flute rollin-, roller j.-aL, itself -r-_1duced rollil~-
SOV/12 2-- 5,',' 1'
The RollinC-on of Teeth in t,' -7, Pj
1.4achines
proce,,-s from a i:'~astci, millpoli~-ntl. The 1:17~_S j:i~tde of
ShKhl5 stee-1, h,~_rdci~od to 50-.7,5 R, I c 11 U . Tll:c,.
.1 rl~ 11
was coi.pirrssed
u
ni a s t er has a -Do is dra,:.n _rDiz'-'h
between the roller bILli--)k---. T)-(,, e hlan,-S v,7,~_rle '.-zae of
0.45~/~ carbon ste-1 or of 11F.-- c~-~r"-'on stec.1.
After the rcllin' t1ie,-v ::ere hcot-ti_,eated ;iiiCi
-ooliched. The hcici-t of ti-.e teeth in tl~e ,~sa;:;ter and t1le
rollinS roller exceeded t.1-lat of the com-ponent by 0.2 -ni:--
The resultant pres~;ure durin, tLe cozn:-onent rollinE;
LD
oDeration was raea-mred. Mhen rollin,-' flutues of 35 mzi
length together with 2 plain neck sections of 35 am lenLths
each, the total pres.,.ure aniounued to 6 tons. WiLhout the
surface rollini of We iiec:-,s the pressure a-riounted to
4.8 tons. Them(- cl-re 3 fj.~~Lres.
Card 2/2 1. Roliing mills--Applications
S1 I -32/60/000/007/0,W/01 I
A16l/AO29
AUTHORS Vasil'chlkov, M.V, Candidate of TEchnical Sciencesi
V. Candidate of Technical. Sciences, Kapitonov, I.M., Engineer
TITLE., Producing the Novikov Gears by Hot Rolling
PERIODICAL, Veslrxlk mashinostroyenlyal 1960., 14c, 7, pi~ 46 - 1-9
T-Da -, The described experiments were underiaken to find out if the point-
contact Nov-1kOv gears couAd be generated by hot rolling prcoess used already in
the industry for conventional involute profile gears, The load capacity of Nova-
kov gears produced by cut.-*.lng has been studied a" the C-ear Depar-mem of TsNIT7,,1-.
ASh, and therefore same gisar d-Imensions were used -,r. tile experl',-.~n's with hoo-L
rolling to compare mechan:ical properties. '-rsNIITMA3h used sp4~-cial- milling cut-
tersjor Novikov pinion and gear wheel (Figs. 1 and 2, respectively.), with dif-
fere +, tooth contour are radii. The hot rolling (Ta!TM-'.--58) machirIc-, s
shown in a pmto (Fig- 4) w-1th a gear blank installed between the bciT.-Om ~i 6x-
ing) rollers. Rolling on 1=g blanks with subsequent cut-~ing single gears
(as is practiced in rolling involute gears) was not. possible because of s2.1pping
of the blank on the siandurd indexipg pinion. Slipping caused ei-,"er a wrong
Card 1/2
7/-,~7
Producing the Novlkcv Gears 1-y -qct Rolling A161/Ac'2