Design 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