Table Of ContentDesign and Operation of New Copper Wire Drawing Plant*
Aon wine il foe the Ang of sper ws = caer, The
pies altacd soc cre the mies, imi tne Peaking
Ferg of “he was vader Us caf stone of nding The No
‘sthre whedon dete Ne AHO a F810
<i porte at ab a nate, “Uhe So, 2 methine erase tn
‘pete: at 19860 =2 12100 ew rimg:e. Wich Waa allt
wr he Wesens Besar Campane at Kovims, jy one 2200)
Deus ald ance elven ret the etal
{Eeelac for pects nu eee ae Pare Tens th
Gls tthe mscine: Pur IV ite to esl fai a
PARY I-DRSIGN AND OPERATION OF HIGH SPKKIY
COPPER WIRE DRAWING MACHINE
COPPER slid ie the raking ffs for com
4 rronicstion purpose, tas Bell Testes System s.one 25% sing
vor 10 hliaycomintes ect pre yee, It is exertial that this ie Ge
Hig ea ity wth devietione im nator Asp she sisson a a the
pjarain wheat he wed wll neta ape
atuly mle ire year: shee it woul be cea fox Westen
levis fe vauaefactare is wire, with the peeblite oF aan production
by fesensag the speed of Ceascig. Tle mnie provi a Pas sie
openuted at speeds mae higher shan ect then ie yates
‘tow vente Ise i Leeame esau le. ihe spe slot ee a
‘rum the aimee a hich wte cul be dason a roll selon ent
wes sare to detesttine ¢ piaethal snd comand sen esting Fy
the design, cotati, sd lag aks apeatine «neo en of Are
Aran machines Cpe; bch wildigw tt sees a ols ln
A.W aller the No. Lund is of 10 die cepecy, dens br era
aL 6000 1 par minare gore 1,2, 6 3 shaw theta nd as vse
Ul his chine A sad teachin lor moieng ro Fie sip Noy 19
‘Asad silly, suas he Ma. 2, al fe 1 le cape designee
to operate nt 1,050 922 13000" por einale, | Pigeve a tome 90 at
‘low of i machine, ‘The dn fences outlined in the flowing texe
Sea Lgely sth the No.2 Machine. Simieefestuze are incorporaeed in
be No. Machines aa releence is ma vo ebange i Geen applieae
only to that machine,
Tar Prom
Coutnsity of operation ie ewental to higher drawing specs; therefore,
win should be dlivered ina large ane pachags as acca to sec
‘hie contiosity vids a asakun a say ab the sebsequent apelin
survey of the Wize uti equipment showell thot relat lange as 18°
Sizmeler could be used with capacity nf 10 i. of wine, The reguites
that suitable drive e introduced an the rel lakespe ofthe wice draving
machines allow for gendualdecleatioa of speed asthe tel fl up wit
‘The dive forthe teheup tel shoul! be capable of produ
tension in the wie ms teen up fo its elie length on there
8 union
snost be conttellable forthe ile es of wie i order dat aes being
eal ican be easy vemoved at the sulwecuant operaion,
"The application vf torque aaotre on veveralintations al Westara
lec to acute uniform torsion im Le product being taken nan rel
Jad demonstrated this to be a ery arty frm of takeup deve, a
{he eww down with bal p of wiee onthe rv without changing
the wie tension tomy spprecaie extent. Ty chang the stator veltge
bl this ype of totor she longue enn De rest to give tension svitable
for drawing the vers suse of wire within the capacity ofthe machire.
3B a propet selection of nana, vastson in sped without vad heating,
fan be obtained ih «sti of 1 LA, seh i of suis ange to perm
"he uae of rene 00 Tb. capacity
"The net sep was to determae the maximum sped at ich wire might
‘be drawn and the spl at which i cond be mound ont & rel. The
snarimur drawing speed was considered tobe that sped where the sires
Set up by eantedugal once wow eal In fe trea fr copper of 25,009
Tha, pee Sqn Amaia drawing speed of 27.300 ft. per rina es
Aternined Sy Ua allowing ealealation
Tet = Weight uf dea copper wie per co, ins in tbe = 3012
GLEE)
= Speed uf wire i fet per secs,
G = Acceleration due to tev
1. Stes in Wire due to Cental Farcee = $
XW 12x sa
o aE
<u
2, Maxinnum Wire Speed Coasidering Oy Slee De to Centrsfage
Farce, “The pet at whieh Sel ewe a sees of 25000 I,
persq, in
y= 4/7000 — 350 ty. oF 27400 pm
v OY = 356 ps or 2400 fp
With the posbiy ofa ange of spel of L198 theses set up a he
veo in mt wie speed of 27 00 pan ul ea 62,080 Ie pr sce
Incv then the we i being taker sp athe core! the ryan the ree
auning 8% fess. Sie thin myer nealing stress ane nove the
Eafe limit fr low eazbon sta speed of 12,41 ire. wae tleto sich
provided a factor of safety of apptoxinatey ve tn one. ‘The sles st
§up in the wire end rr ims for “he warines es ae shown on ding,
Fig.
"The horsepone:requizenea. a Une tare mi forthe takeup is made
up of thee compen
1. Tension Wite
2. esting Friction for ‘Taieup
4 Reel Windage
Wire sbould be taken up on the el ule sii! tension tit hat
rented by conttifgal force. The tensa in the wie resling froma ee
tafagl force is own on diagram, Fig, ad i determine’ by taking the
stress im copper wea 12,000 ee, Figs 3, wed roiling thie
by th aes each fe of wine. ‘Te emson in tke wizeeaanges for eae
site af iro and semaine practislhycorstant taroughout tho entice te
erefore, the aneeporerequitd ch take uy wire nthe eee romsing
‘constant ior the core to the oatede ofthe vcs the see the ree
Slowing down withthe lap af wire on tho ree The omer curves ob
“0 ELE SYSTEM TACUNICAL sOURMAL
iagram, Fig 7 show the honepner requirements for taking up wire of
‘Siferen i
ae
Saran m 225 rem a
rg, $-Stety peed and iy vw eae we vie wt
Powe Reqrmrscent
‘The hormone sequied to overenme bearing fiction was ealeuated
sod i costeat for sll snes of wise. ‘Tho windoge is gwvernad by the
"lesga f the rel sod the horsquvee was determined Vy fst fr he mine
Inver onl tnasioom vee sprsta ‘The cate for these components are
own ye uppor curves of agra, Fig.
‘The constant honepner reqeirement for uniform tension hen co
‘ered ita t-que aie Sal the le ferenes athe Wie On Tae Te
‘lls up das che lenathning of the tins arm
The decreasing huriqwer requirement overcome windage and fe
ion en eonverted inl torque shows tt te tongue decreas wits Us
Dull op of wine ve to the slowing doa ofthe sel wl using wfc
é
§
Ea] {-
oli |
speed of ecowing. Uhisdecrcaee wilh al faster rate than the increase
‘The ralclsted wenn when lose for te iene see uf wire within
‘he scope of the machine show carves gradaoiyciverying a he rel de-
teases in speed. To slipify the elrial conte ts found these
fares could be made pale! su sl he within che nllowable varitin of
Wire tension and the required tolerances ofthe supoier of Le elecsial
Equipment. Te was cla! belt ne the bee curve tht otlton which
wold I wet fvrabie to Ue aking of the smallest sive of wite aad to
the the avenge loxque value From an epty:o 0 fal el fr the diferent
{eosin requirerena fr theother ears. Taotefor the pipasite curves
shore iy Hiagiat, Fig. she Te resto this compromise
‘The euros ning the Tels of the ust run of te fakeap motos are
sbonn by Fig. 9, which demonstrates how eloely the motor manufactrer
Spel the nelterehs of Fi. which az soperimpamed for reforence,
"The n'a oZlip beberle wise ad eapetans Aas been Sncorpwle
' q j
; Li 4b
! i
rT |} Keser
| | ot
ee all
1 r oT
an Ee hare
L T
int the desig: te secure the greatest economy of power. Ene ection a
fre sae AAW renee: te loth By 243 al «sala of 23% bere
ch cpa seep has boon fend tizet economic, To furser reduce
over rere, reios of 25% fave Lan wood, Pt heenuse of he cre
Wa of Giamoude tie rt i listed and exconive breaks occa a the
Toeaton see the die Pps worn the fastest, With the ratio af 25, des
Inst he hep rove evenly matched fer redvston Sn area, and he oxpenee
UP remtebing ties, ao the ee of production facia che petod of re
natch, omake this expense grater than the power cg with the 2
roster lip,
+
4 eel
[ S|
= rs
ft Tt
IT [Tt
FT eee tac So AW ander YEE
Tiron J span
dpa san
as
Tngsoic oi ie cemomival ts mina dice within defnite tis of
eduatna of are, by the same taken feign neeezsary to Koes te dam
‘er of he capstan step iin ike proportion
8 anes s¥STRM PECMICAL JOURHAL
"The die pols 4¢ pres seuted ta dau copper wie of any sve are
determine: by reersng to Use hart, Figs, 1U and i, epplcae for Tung
fon Carb and Distt Dice zeapestiouy
ql meal
i
ie
ce
i :
yy
ey =
ig IL Cots for deem dis lle ied des ann cope
ng these charts the dometers of wive Deng drawn ftom and to are
let, “The eigerence im arse rpeesented by thes ciameters i de
temine, tn curve fe te ehoeen athe range of thie diference al oy
fending ep from ths diffrence us the proper rage cure, te constant can
bre deterinee pes UDI sq. fa, afea redueton, whic, when mallpliad
