Crossed Roller Bearings

Transcription

1 oss Roll Baings O fom Maylan Mtics wb: mail: sals@mmtic.com AT-71 Jun 2 Ovsas Dpt.

2 Sup Slim & Slim Typ oss Roll Baing Sup Slim & Slim Typ oss Roll Baing a xtmly compact baings having cylinical olls ispos ppniculaly btwn inn an out ings. A singl baing can tak complicat loas such as aial, axial an momnt loas. By using cylinical olls whos lastic isplacmnt u to loa is small than stl balls, this typ of coss oll baing can mak th vic compact an highly igi compaing to ball baings o tap oll baings an th combination of two ball baings. Ths baings a wily us in th otating pats of inustial obots, optical appaatus an mical quipmnts, tc., which contibut compactnss an lightnss. Applications of Sup Slim & Slim Typ oss Roll Baing O fom Maylan Mtics wb: mail: sals@mmtic.com Fatus of Sup Slim & Slim Typ oss Roll Baing Th wol s slist oll typs Sup low sctional hight of. Gat wight saving own to 3% of th convntional typs Ralization of compact vic signing an spac saving ominal bo iamt Sctional viw Sis 2A Itm Outsi iamt 31 With Sctional hight Wight g 14. Ratio to RBH Ratio to.37 Vaiations RBH2A A Th sctional hight of this typ is uc to 69% of that of which has bn th slist. (Shaft iamt : ) Its with is an th sctional aa is ma compact (43% of that of th convntional typs). As th sult of pusu of absolut wight saving, th wight of this typ is gatly uc own to.3 of th convntional slim typ. (Shaft iamt : ) Ppnicula aangmnt of cylinical olls nabls a singl baing to tak complicat loas such as aial, axial an momnt loas. Sinc this typ of baings can b us in a cantilv stuctu, thy can incas th g of fom in signing an contibut to vic ownsizing an spac saving RBH31A A RBHA A RBHA Guianc of Typ cylinical oll Saling stuctu Mol co Shaft iamt Sup Slim Typ oss Roll Baing with Spaato Opn typ A 2 Slim Typ oss Roll Baing with Spaato with ag Full omplmnt Sal typ Opn typ Sal typ Opn typ AUU VUU V

3 Intification umb Loa Rating an Lif Th intification numb of Sup Slim an Slim Typ oss Roll Baings consists of a mol co, imnsions an supplmntal cos as shown blow Exampls of intification numb Mol co Bo iamt of baing With of baing 4 Supplmntal co-1 (Sal spcification) Exampl-1 Exampl-2 Mol co Supplmntal co-2 (Intnal laanc) Bo iamt of baing With of baing Supplmntal co-1 Supplmntal co-2 A A V Sup Slim Typ oss Roll Baing (With spaato) Slim Typ oss Roll Baing (With cag) Slim Typ oss Roll Baing (With spaato) Slim Typ oss Roll Baing (Full complmnt) Dnots th bo iamt of baing (unit: ) Dnots th with of baing (unit: ) o symbol : Opn typ UU : Both si sal typ U : On si sal typ Fo applicabl cos, s Tabl 1. T1 : T1 claanc 1 : 1 claanc o symbol: omal claanc Fo applicabl cos, s Tabl 2. 3 A A UU Mo co A A V 1 1 O fom Maylan Mtics wb: mail: sals@mmtic.com Tabl 1 Sal spcification o symbol UU Tabl 2 laanc spcification Mol co T1 1 A A V U o symbol Basic ynamic loa ating Th basic ynamic loa ating is fin as a constant aial loa both in iction an magnitu un which a goup of intical baings a iniviually opat an 9% of th baings in th goup can otat 1,, volutions f fom matial amag u to olling contact fatigu. Lif Th basic ating lif of Sup Slim an Slim Typ oss Roll Baings is obtain fom th following fomula. L 1 P 1/3 wh, L 1 Basic ating lif, 1 6 v. Basic ynamic loa ating, P Dynamic quivalnt aial loa, If th numb of volutions p minut is known, th ating lif in hous can b obtain fom th following fomula. 1 L h 6 L 1 2 6n wh, L h Basic ating lif in hous, h n umb of volutions p minut, pm Lif in oscillating motion 1 Whn a baing is us in oscillating motion, th lif can b obtain fom th following fomula. 9 L c 3 P 1/3 wh, L c Basic ating lif in oscillating motion 1 6 cycls 2 Oscillating angl, gs (Rf to Fig.1.) P Dynamic quivalnt aial loa, If th numb of oscillations p minut n 1 cpm is givn, th ating lif in hous can b obtain fom Fomula (2) by substituting n 1 fo n. Whn th oscillating angl 2is small, oil film may not b fom btwn th olling lmnts an th acways an ftting coosion may occu. In this cas, plas consult. Fig.1 Oscillating motion Limitations of lif fomula Ths lif calculation fomula a applicabl whn th mounting an lubication of baing a nomal an th baing is us without intusion of foign matts un a nomal opating conition an not un an xtm sv conition. If ths conitions a not satisfi, th actual lif may cas apily. Fo xampl, it is ncssay to consi th aitional factos, such as fomation of baing by miss-mounting, lag fomation of housing/shaft, lag ploa an us of unsuitabl gas. Futhmo, whn th ynamic quivalnt aial loa xcs 1/2 of th basic ynamic loa ating, th lif calculation fomula may not b us. Dynamic quivalnt aial loa Th ynamic quivalnt aial loa of Sup Slim an Slim Typ oss Roll Baings can b obtain fom th following fomula. 2M P X F YF D a pw Fig. 2 Loa iction 4 wh, P Dynamic quivalnt aial loa, kgf F Raial loa, F a Axial loa, M Momnt, D D pw Pitch cicl iamt, D pw 2 X Raial loa facto (Rf to Tabl 3.) Y Axial loa facto (Rf to Tabl 3.) Tabl 3 Raial loa facto an axial loa facto onitions F a 1. F 2M/D pw 1.4 F a 1. F 2M/D pw X Y 3 1=.12kgf=.224lbs. 1=.3937inch 4

4 Basic static loa ating Basic static loa ating is fin as a static loa which givs a pscib contact stss at th cnt of contact aa btwn olling lmnts an acways on which th maximum loa is appli. Static safty facto Th static safty facto f s, of Sup Slim an Slim Typ oss Roll Baings can b obtain fom th following fomula, an gnal valus of this facto a shown in Tabl 4. f s P wh, f s Static safty facto Basic static loa ating, P Static quivalnt aial loa (maximum loa), Tabl 4 Static safty factos Opating conitions Whn high otating accuacy is qui. omal opation Whn smooth otation is not impotant in nomal opation Rotation without vibation Whn th baing is almost not otating Accuacy f s Dimnsional accuacy an otational accuacy of Sup Slim an Slim Typ oss Roll Baings a ominal bo iamt mp Singl plan man bo ia. viation Static quivalnt aial loa Th static quivalnt aial loa of Sup Slim an Slim Typ oss Roll Baings can b obtain fom th following fomula. 2M P F.44F a 6 Loa facto Actual loas appli to th baing somtims xc th loa valu thotically calculat u to vibation an shocks caus by machin opation. Th lif is calculat fom th following fomula whil consiing th loa facto shown in Tabl. F f w F c 7 wh, F Loa fo lif calculation, f w Loa facto (S Tabl ) F c Thotical calculat loa, Tabl Loa facto onition Smooth opation f fom vibation an/o shocks omal opation D pw wh, P Static quivalnt aial loa, F Raial loa, F a Axial loa, M Momnt, D pw Pitch cicl iamt, D pw 2 Opation with shock loas O fom Maylan Mtics wb: mail: sals@mmtic.com f w Tabl 6.1 Accuacy of inn ing an accuacy of out ing with Sup Slim Typ oss Roll Baings Dmp Singl plan man outsi ia. viation shown in Tabls 6.1 an 6.2. Baings with spcial accuacy a also optionally availabl. Plas consult. B s an s Dviation of a singl inn ing with an out ing with K ia an S ia Raial an axial un-out of assmbl baing inn ing unit: m K a an S a Raial an axial un-out of assmbl baing out ing Tabl 6.2 Accuacy of inn ing an accuacy of out ing with Slim Typ oss Roll Baings ominal bo iamt mp Singl plan man bo ia. viation laanc Dmp Singl plan man outsi ia. viation Th aial intnal claancs of Sup Slim an Slim Typ oss Roll Baings a shown in Tabl 7.1 an 7.2. Tabl 7.1 Raial intnal claancs fo Sup Slim Typ oss Roll Baing unit: m ominal bo iamt of baing Raial intnal claanc Min. 1 Max. B s an s Dviation of a singl inn ing with an out ing with ominal bo iamt of baing Min K ia an S ia Raial an axial un-out of assmbl baing inn ing T1 Max Raial intnal claanc unit: m K a an S a Raial an axial un-out of assmbl baing out ing Tabl 7.2 Raial intnal claancs fo Slim Typ oss Roll Baing unit: m Min. 1 Max Stana Min Max =.12kgf=.224lbs. 1=.3937inch 6

5 Fit In Sup Slim oss Roll Baing, fit bas on th actual masu imnsions of th baings is con. An thos of Slim Typ oss Roll Baings with nomal claanc a shown in Tabl. Fo th intfnc fit, th aial intnal claanc aft th fit is Tabl Rcon fits fo Slim Typ oss Roll Baings with 1 claanc (Dimnsional tolancs of shaft an housing bo) Allowabl otational sps of Sup Slim an Slim Typ oss Roll Baings a affct by mounting an opating conitions. Th valus in gnal opation a shown in Tabl 9. Tabl 9 m n valus 1 of baing 7 ominal bo iamt Typ ag o with spaato Lubicant Opn typ Sal typ Inn ing otational loa Shaft Housing bo Gas Opn typ 7 Full complmnt Sal typ 4 ot( 1 ): m n valu mn wh, m Man valus of baing bo an outsi iamts, n umb of otations p minuts, pm Oil cas by appoximatly 7% to 9% of th intfnc amount. To avoi xcssiv ploa u to fit, it is con to us a slight intfnc fit ajust to th actual masu imnsions fo both T1 an 1 claancs unit: m Out ing otational loa Shaft Housing bo Rmak: Whn complx loas o shock loas a appli o whn high otational accuacy an igiity of th baing a qui, it is con to us a slight intfnc fit ajust to th actual masu imnsions fo both inn an out ings. Allowabl otational Rotational toqu spo fom Maylan Mtics wb: mail: sals@mmtic.com Rotational toqu of Sup Slim an Slim Typ oss Roll Baings a low than that of plain baings an th iffnc btwn th static toqu an th ynamic (kintic) toqu is small. Thfo, ths baings minimiz pow consumption an opating tmpatu is of machiny an incas th ovall fficincy of machins. Th otational toqu is affct by many factos, but th following fomula can b us xpintly. D pw T P 2 wh, T Rotational toqu, Fiction cofficint (Appox..1) P Static quivalnt aial loa, D D pw Pitch cicl iamt, D pw 2 Whn th aial claanc aft mounting is a lag minus valu, consult. Lubication Ths baings a gnally lubicat with gas. In lubication, gas is suppli though th gap btwn th out ing an inn ing. Fo gas ppack baings, ALVAIA EP gas 2 (by Shll) is ppack. (Rf Tabl 1) Fo baings without ppack gas, supply gas o oil fo us. Opating without gas o oil will incas th wa of th olling contact sufacs an caus a shot baing lif. Whn using spcial gas, cafully xamin th gas poptis an contnts such as bas oil viscosity an xtm pssu aitivs. In this cas, plas contact. Tabl 1 Gas ppack baings Ppack ot ppack Oil hol Fo Mol co Sup Slim an Slim Typ oss Roll Baings, oil hol an oil goov a not povi. Howv, fo Slim Typ oss Roll Baings, oil hols can b ma upon qust. Whn oil hols a qui on th out ing, attach noh bfo th claanc symbol in th intification numb. Fo an oil hol on th inn ing, attach noh. Tabl 11 Oil hols Mol co A A V A Opn typ (o symbol) Spcifications Sal typ On si sal typ Oil hol co noh noh (Inn ing) (Out ing) A V Rmak: n nots th numb of oil hols not xcing 4. Fo on oil hol, numb is not inicat. Whn ppaing multipl oil hols, plas consult. Exampl 1: In cas of 4 oil hols on th inn ing 1 4OH 1 4 oil hols Fo inn ing Exampl 2: In cas of 1 oil hols on th out ing 1 OH 1 1 oil hol Fo out ing Opating tmpatu ang Th opating tmpatu ang fo Sup Slim an Slim Typ oss Roll Baings is 2 to +11. Howv, th maximum allowabl tmpatu shoul not b xc +1 whn thy a in continous opation. Th opating tmpatu ang fo Opn Typ Slim Typ oss Roll Baing is 2 to +12. Mounting Whn th igiity of th mounting pats is not sufficint, stss concntation will occu at th contact aa btwn th olls an acways, an th baing pfomanc will b tioat significantly. Thfo, it is ncssay to cafully xamin th igiity of housing an th stngth of fixing bolts whn a lag momnt is appli. Th shoul hight iamts ( a an D a ) that a lat to mounting shoul ctainly satisfy th valus shown in th imnsion tabls. Whn ths imnsions a not appopat, fomations of inn an out ings will occu an th baing pfomanc will b tioat makably. Fig. 3 Mounting xampl 1 Th inn an out ings shoul b sculy fix in th axial iction by using fixing plats, tc. Rcon thicknss of th fixing plat is 1/2 o mo of th baing with (B). Th imnsions in axial iction of th housing bo an th fixing plats shoul b ci to gt a scu fixing whil consiing th actual imnsion of baing with which is zo/minus-tolanc. (S Fig.3) 2 Th pth of housing bo is con to b th sam to o lag than th baing with. 3 Baing has a plug fo hol fo insting cylinical olls. Whn mounting th baings, locat th plug at a position that is not inclu in th maximum loaing zon. Th plug location can b foun by th pin that is at th si of th out ing. 1=.12kgf=.224lbs. 1=.3937inch

6 Sup Slim Typ oss Roll Baings Slim Typ oss Roll Baings Shaft iamt Intification numb 2 A 3 A 4 A A A Wight (Rf.) g Bounay im. D B min a D a.... Mounting imnsions Basic ynamic loa ating O fom Maylan Mtics wb: mail: sals@mmtic.com Basic static loa ating Shaft iamt Intification numb Wight (Rf.) g Bounay im. D B AUU VUU 2 min Mounting imnsions a D a Basic ynamic loa ating With cag V Basic static loa ating AUU 4 With spaato Basic ynamic loa ating Basic static loa ating V 3 VUU 4 Full complmnt Basic ynamic Basic static loa ating loa ating ot( 1 ): Minimum allowabl singl valu of chamf. Rmaks 1. Oil hol is not povi. 2. Gas is p-pack. ot( 1 ): Only psntativ mols a shown in th tabl. Howv also applicabl to sam siz of all Slim Typ oss Roll Baings. ( 2 ): Minimum allowabl singl valu of chamf. ( 3 ): Gas is not p-pack. Apply pop lubication. ( 4 ): Gas is ppack. Rmaks: Oil hol is not povi. 9 1=.12kgf=.224lbs. 1=.3937inch 1

7 O w m b: f h ai tt om l: p: M sa // l m ay s@ m la n m t m ic. M c t om ti cs ic.c om What is you toubl? 1 Ha accss to lubicating? 2 Machins an wok placs a ity with lubicant? 3 Lubicating tools an instumnts occupy th woking placs? 4 Having poblms kping up with lubication maintnanc schul? Fin solutions with -Lub baings a s uniqu maintnanc f baing poucts with thmostting soli lubicant (apilub) p-pack in th baing spac. As th baing otats, th lubicating oil oozs out onto nl olls an acways in pop quantity kping th lubication pfomanc fo a long pio of tim. Fo shaft suppot Fo cam mchanisms an follow baings Out Ring Out Ring Maintnanc F -Lub Baing Thust Wash ag Stu with Hxagon Sockt Hol l Roll ag With Sals -Lub Machin Typ l Roll Baing apilub -Lub am Follows apilub -Lub Unit 11 AT-716 Maintnanc wok can b uc gatly ation an ic b lu l a o pioic tivity. n s i u q c R th pou s s a c in nmnt o i v n h t to th a g cost. s t u ib t n in Minimizs th amount of lubicant an o s th unn c u an contibuts to th ath nvionmnt Suppsss machin signing an vic costs pacs Woking s iz. can b util 12

8 Wol twok of Ha offic : Takanawa 2-chom Minato-ku Tokyo 1-6, Japan Phon : +1 () Fax : +1 () ntt@ikont.co.jp URL : Plant : Gifu, Kamakua IPPO THOMPSO O., LTD. ASEA REPRESETATIVE OFFIE Lvl, #1 Silom Roa, Silom Bangak, Bangkok Thailan Phon: + () Fax: + () nta@ikont.co.jp IKO-THOMPSO (SHAGHAI) LTD. Unit G, 23 Floo, Zhao Fng Wol Ta Builing o.369, Jiang Su Roa hangning Distict, Shanghai 2 Popl's Rpublic of hina Phon: +6 () Fax: +6 () ntc@ikont.co.jp O fom Maylan Mtics wb: mail: sals@mmtic.com Rcognizing that consvation of th global nvionmnt is th top-pioity challng fo th wol s population, will conuct its activitis with consiation of th nvionmnt as a copoat social sponsibility, uc its ngativ impact on th nvionmnt, an hlp fost a ich global nvionmnt. ISO 91 & 1 Quality systm gistation ctificat 14