Com­pa­nies: Cen­ta Po­wer Tran­smis­sion - Pa­ten­ted de­si­gn

Superyacht - - WHAT’S ON - by Da­nie­le Car­ne­va­li

When loo­king at a ya­cht, the fir­st thing nor­mal­ly ta­ken in­to con­si­de­ra­tion is the sha­pe in terms of de­si­gn and con­struc­tion ma­te­rial fol­lo­wed by what the­re is in terms of gear, ac­ces­so­ries, and op­tio­nal ex­tras . Ho­we­ver the­re are se­ve­ral small spe­cials whi­ch ma­ke the dif­fe­ren­ce bet­ween one mo­del and ano­ther whi­ch ha­ve to do wi­th re­lia­bi­li­ty. As an exam­ple ‘ela­stic’, ‘fle­xi­ble’ join­ts bet­ween a ya­cht’s dri­ves and gear bo­xes whi­ch could com­pro­mi­se the smoo­th run­ning of any ya­cht when mi­sa­li­gned as they can crea­te un­com­for­ta­ble vi­bra­tion and un­de­si­ra­ble noi­se along the en­ti­re leng­th of the hull. For this ve­ry rea­son Cen­ta Tran­smis­sion dri­ves from Ger­ma­ny whi­ch has ac­qui­red great re­pu­ta­tion wi­th mo­re than six mil­lion in­stal­la­tions to its na­me and loads of know how by wor­king clo­se­ly wi­th ma­jor en­gi­ne brands and hy­drau­lic pump ma­nu­fac­tu­rers. Cen­ta has de­li­ve­red ‘fle­xi­ble’ uni­ver­sal join­ts to the yachting world so­me of whi­ch are pa­ten­ted and ha­ve en­joyed con­fir­med re­lia­bi­li­ty th­rou­gh ti­me. We went to vi­sit the Ita­lian bran­ch of the com­pa­ny in the pro­vin­ce of Mi­lan and pop­ped a few que­stions to Gian­lu­ca Mo­ni­co Ge­ne­ral Ma­na­ger. Mr Mo­ni­co could you ou­tli­ne whe­re does Cen­ta co­me from and what does it do? Cen­ta An­trie­be Kir­schey GMBH was foun­ded in Ger­ma­ny in 1970. To­day it re­pre­sen­ts the lar­ge­st ma­nu­fac­tu­rer and di­stri­bu­tor of ‘ela­stic’ or ‘fle­xi­ble’ uni­ver­sal join­ts and car­bon dri­ve shaf­ts in the world. Lar­ge in­vest­men­ts we­re de­di­ca­ted to R & D and thanks to this team work the com­pa­ny pa­ten­ted se­ve­ral pro­ject de­si­gns whi­ch ha­ve pro­ved ve­ry suc­ces­sful over a span of 50 years. Cen­ta to­day sports a net­work of ten af­fi­lia­tes and twen­ty di­stri­bu­tors whi­ch co­ver prac­ti­cal­ly all of the glo­bal mar­ket. US group Rex­ford ac­qui­red Cen­ta in Fe­brua­ry 2018 (they’re quo­ted on the NYSE mar­ket) and em­ploy 8,000 staff all told. It will be flan­ked by an en­ti­re com­ple­men­ta­ry pro­duct ran­ge whi­ch is poi­sed to en­su­re fur­ther gro­w­th to bo­th rea­li­ties. Cen­ta deals in se­ve­ral sec­tors in­clu­ding the lu­xu­ry yachting one whi­ch re­pre­sen­ts about 40% of its tur­no­ver in Ita­ly. What’s the rea­son for this ex­traor­di­na­ry suc­cess? Cen­ta’s tar­ge­ted mar­ke­ts ran­ge, in es­sen­ce from dif­fe­rent in­du­strial ma­chi­ne­ry de­ployed to dig, lay dum­pers, ap­ply tar­mac, mil­ling ma­chi­ne­ry, to re­crea­tio­nal boa­ts, mo­tor tra­de, ge­ne­ra­tor se­ts, main en­gi­nes, boo­gie dri­ves for trams and so on...di­ver­se per­cen­ta­ges re­gi­ste­red are in func­tion of a gi­ven spe­ci­fic mar­ket. Ita­ly’s yachting mar­ket pro­vi­des Cen­ta wi­th about 40% of its tur­no­ver and the rea­sons for this suc­cess are su­re­ly in­no­va­tion, pro­duct re­lia­bi­li­ty and qua­li­ty whi­ch ha­ve all grea­tly con­tri­bu­ted in ma­king Cen­ta world mar­ket lea­der.

Cen­ta’s co­re bu­si­ness is the ma­nu­fac­tu­ring and mar­ke­ting of uni­ver­sal ‘fle­xi­ble’ join­ts. What are they and what are they used for? Uni­ver­sal ‘fle­xi­ble’ join­ts are ne­ces­sa­ry when dea­ling wi­th po­wer dri­ven shaf­ts to dam­pen tor­que vi­bra­tion whi­ch nor­mal­ly de­ri­ves when con­ver­ting li­near mo­tion pro­du­ced by an en­gi­ne’s cy­lin­ders in­to a ro­ta­ry one de­ve­lo­ped by dri­ve shaf­ts and being fle­xi­ble they ha­ve a wider to­le­ran­ce ran­ge in terms of mi­sa­li­gn­ment bet­ween va­rious po­wer hou­ses. Fur­ther­mo­re they en­han­ce vi­bra­tion re­duc­tion cau­sed by dri­ve shaf­ts. Uni­ver­sal join­ts are es­sen­tial­ly ma­de up of two kinds, ‘fle­xi­ble’ and di­rect ri­gid ones, the fir­st one is de­ployed to de­li­ver less than ‘stan­dard’ no no’s whi­le the se­cond does the op­po­si­te. Cen­ta ef­fec­ti­ve­ly co­vers the en­ti­re ran­ge of so­lu­tions wi­th mo­re than 35 pro­duct fa­mi­lies whi­ch are un­der­sco­red by spe­ci­fic con­struc­tion mo­du­les whi­ch in­clu­de se­ve­ral pro­duc­ts used in mo­re than one mar­ket sec­tor.the ef­fec­ti­ve ran­ge of ap­pli­ca­tion starts from a han­d­ful of Nm in terms of tor­que and up to over 650,000 Nm. The ran­ge of Cen­ta’s dri­ve shaf­ts in car­bon com­ple­te the pic­tu­re In other words we’re say­ing Cen­ta’s pro­duc­tion can suit ya­ch­ts of all si­zes. Whi­ch are the strong poin­ts of your pro­duct ran­ge? Cen­ta boasts ma­ny pa­ten­ted pro­duc­ts, whi­ch means that ne­ces­sa­ri­ly so­me of the­se are uni­que. The CENTAX LFSM se­ries fea­tu­res in­te­gra­ted uni­ver­sal dri­ve shaft join­ts, whi­le the CENTAX NLFS se­ries is de­si­gned for free stan­ding ap­pli­ca­tions mea­ning whe­re en­gi­nes and in­ver­ter tran­smis­sion dri­ves are se­pa­ra­te. The ca­pa­ci­ty for this lat­ter se­ries to ef­fec­ti­ve­ly func­tion sa­fe­ly al­so wi­th a mu­ch hi­gher to­le­ran­ce of

mi­sa­li­gn­ment fac­tors - twi­ce and even th­ree ti­mes mo­re than the com­pe­ti­tion - is thanks to sta­te of the art cut­ting ed­ge ap­plied tech­no­lo­gy. This trans­la­tes in­to pa­ten­ted shaft cou­pling wi­th in­te­gra­ted th­ru­st fle­xi­ble bea­rings in­si­de the uni­ver­sal joint whi­ch dam­pen vi­bra­tion and en­han­ce grea­ter on board com­fort. Are your uni­ver­sal cou­pling join­ts all ma­de in Ger­ma­ny? Cen­ta’s en­ti­re pro­duc­tion is ma­nu­fac­tu­red in Ger­ma­ny. Cen­ta al­so con­trols the pro­duc­tion of the ‘ela­stic’ ele­men­ts of the joint, whi­ch for so­me aspec­ts is the mo­st de­li­ca­te part and for others it is the mo­st va­lua­ble in terms of pro­duct re­lia­bi­li­ty. So­me of the me­tal parts re­qui­ring lit­tle tech­no­lo­gy can be ma­nu­fac­tu­red ac­cor­ding to Cen­ta’s de­si­gns in the com­pa­ny’s pre­mi­ses all over the world, but the choi­ce to build eve­ry ‘ela­stic’ ele­ment at HQ in Ger­ma­ny is going again­st our com­pe­ti­tors’ cur­rent trends sin­ce they ha­ve re­di­rec­ted se­ve­ral pro­duc­tion si­tes to Coun­tries whe­re la­bour costs are not com­pa­ra­ble to Eu­ro­pean ones. Mo­reo­ver Cen­ta pos­ses­ses a tech­ni­cal de­part­ment whi­ch con­trols vi­bra­tion to tor­que coef­fi­cien­ts in Ger­ma­ny and can pro­du­ce ad hoc ma­chi­ne­ry for eve­ryo­ne of its mar­ket re­qui­re­men­ts. For fur­ther in­for­ma­tion: Cen­ta Tra­smis­sio­ni; Via Me­ra­vi­glia 31, 20020 Bar­ba­ia­na di Lai­na­te (MI); tel.+39 02 93799556, fax 02 93798867; www.cen­­fo - in­fo@cen­

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