Swing Clams with Sturdy Swing Mchanism To flang ty, with otional osition monitoring, doul acting, max. orating rssur 7 ar dvantags sizs availal Comact dsign artially rcssil High claming forc alrady at 7 ar Sturdy swing mchanism Vry short claming tim Insnsitiv against high flow rats Indxing of th claming arm in a scifid osition is ossil Scial swing angl asily ralizal Standard FKM wir Mtallic wir otional Position monitoring availal as accssory Mounting osition: any Issu - E.85 Indxing Mtallic wir for coars and hot swarf otional lication Hydraulic swing clams ar usd for claming of workics, whn it is ssntial to k th claming ara fr of stras and claming comonnts for unrstrictd workic loading and unloading. This sris otains vry high claming forcs alrady at 7 ar and can dirctly connctd to th low-rssur hydraulics of th machin tool. n additional owr unit for owr workholding is no longr ncssary. With th sturdy swing mchanism and th otional osition monitoring ths swing clams ar articularly suital for: utomatic manufacturing systms with vry short cycl tims Claming fixturs with workic loading y handling systms Transfr lins Tst systms for motors, gars and axs ssmly lins Scial machin tools Installation and conncting ossiilitis Pi thrad Vrsions Without switch rod 85X Drilld channls With switch rod 85X Dscrition Th hydraulic swing clam is a ull-ty cylindr whr a art of th total strok is usd to swing th iston. Du to th sturdy swing mchanism th angl osition of th claming arm rmains th sam aftr a slight collision with th workic during loading and unloading or during claming. Th angl osition of th claming arm is fixd with a dowl in. Th FKM wir at th iston rod can rotctd against coars and hot swarf y an otionally availal mtallic wir (s ag 6). Th vrsion with xtndd switch rod is rovidd for mounting of numatic or lctrical osition monitorings (accssory). Imortant nots s ag 6. ccssoris Pnumatic osition monitoring Elctrical osition monitoring Römhld GmH Postfach 253 3537 auach, Grmany Tl.: +9 () 65 / 89- Fax: +9 () 65 / 89-2 ctual issu s www.romhld.com
h Vrsions: Idntification lttrs, ccssoris Dimnsions Swing ngls (with switch rod) ccssoris Pnumatic osition monitoring (ag 5) cartridg ty h t Swing strok SW Ø d (without switch rod) g Dowl in for indxing s accssoris ag Otion: Mtallic wir Ø d2 Nut includd in th dlivry Sar nut s ag 3 w w z v x Claming strok R, v m h Scrw lugs and O-rings ar includd in th dlivry Ø r -, d Ø d3 Strok 8 ±,5* * s swing angl α < 9 = Claming = Unclaming ccssoris: Position monitoring Ø C Conncting schm Connction: i thrad Swing dirction cw Claming osition ± Swing dirction ccw 3 (x) For O-ring saling: R z, max. Ø 5 n 2 (x) Swing angl 9 off-osition ±3 a Ø s -,2 c Ø (x) a G max. 5 Indxing mark rrsntd in claming osition Us scrw matrial.9 c or hols only as rquird h Swing angl. Swing angl 9 and (standard) Part no. 9 cw 85X-X9-RXX 9 ccw 85X-X9-XX 85X-X-XX 2. Swing angl α < 9 α = 5 to 75 in gradation of 5 y insrtion of a distanc lat th rturn strok of th iston is rducd and thus th swing angl is rducd. Claming strok and claming osition rmain th sam. Th swing strok and th dimnsions h, m and x ar rducd y y: y = (9 α ) * k (k s chart ag 3) Dimnsion 8 ±.5 is lngthnd y th valu y. Examl: Swing clam 856-9-27 Dsird swing angl 5 ccw Part no. 856-5-27 Shortning: y = (9-5 ) *.25 mm/ = 5.625 mm 3. Swing angl > 9 vailal on rqust! Imortant nots s ag 6. Orating conditions, tolrancs and othr data s data sht.. Ø E Elctrical osition monitoring (ag 6) h Ø D C Right angl lug 2 ctual issu s www.romhld.com Römhld GmH.85 / - E
Tchnical data Max. ulling forc (7 ar) [kn] 2.35.6 9.9 6. Effctiv claming forc [kn] s diagram or calculation of th claming forc on ag Claming strok [mm] 8 8 Swing strok [mm] 8 3 7 9 Total strok [mm] 6 2 27 29 Orating rssur, min. [ar] 2 2 2 2 Max. flow rat Claming [cm³/s] 3.5 33.5 96 67 Unclaming [cm³/s] 2 53.5 5 255 Piston ara Claming [cm²] 3.36 6.37.6 23 Unclaming [cm²].9.7 2.23 33.8 Oil volum / strok [cm³] 5. 3. 38.3 66.7 Oil to rturn [cm³] 7.9 2. 57. 2 Piston Ø [mm] 25 36 52 65 a [mm] 3.5 56 68 [mm] 3.5 56 68 c [mm] 22.5 28 36 2 c [mm] 8 2 36 5 Ø d [mm] 22 3 36 Ø d [mm] M5 x.5 d M6 x.5 d M8 x 6. d M8 x 6. d Ø d2 [mm] 3.5.5 52.5 58.5 Ø d3 f7 [mm] 8 2 2 [mm] 2 9.5 9 23.5 SW [mm] SW 9 SW 27 SW 36 SW 6 g [mm] M2 M8 x.5 M2 x.5 M3 x.5 G G /8 G /8 G / G / h [mm] 7 9 78.5 23.5 h [mm] 9.5 32 k [mm/ ].56.95.25.25 [mm] 38 5 7 86 [mm] 8 6 82 96 m [mm] 6 5 6.5 72.5 n [mm] 9 25 35 3 [mm] M (.9) M5 (.9) M8 (.9) M (.9) Ø [mm].3 5.5 9 2 [mm] 5 7 9 3 [mm] 3 3 6 7 Ø r -. [mm] 35 7 63 78 Ø s -.2 [mm] 36 8 6 79 t [mm] 6 9 2 v [mm] 27 29.5 3.5 39 v [mm] 29 3.5 36.5 w [mm] 8. 5 9 x [mm] 68.5 88.5 9.5 z [mm] 3.5 5.5 5.5 Wight, arox. [kg].7.5 3. 5. Part no. Swing dirction 9 cw 853-X9-R6M 85-X9-R2M 856-X9-R27M 857-X9-R29M Swing dirction 9 ccw 853-X9-6M 85-X9-2M 856-X9-27M 857-X9-29M dgr 853-X-6M 85-X-2M 856-X-27M 857-X-29M Sar O-ring [mm] 7 x.5 7 x.5 8 x.5 8 x.5 Part no. 3-32 3-32 3-33 3-33 Sar nut DIN 936 M2 M8x.5 M2x.5 M3x.5 Tightning torqu [Nm] 2 3 62 Part no. 332-5 33-663 332-332-39 Cod lttr X s ag 2. M = Otion mtallic wir (s also ag 6) Effctiv claming forc with accssory claming arm as a function of th oil rssur Effctiv claming forc FS [kn] 2,5 2 2 F S,5,5 853 max. [mm] 96 73 59 3* = 3 mm 2 3 5 6 7 Effctiv claming forc FS [kn] 5 3 2 85 max. [mm] 8 27 97 78 3,8 = mm 2 3 5 6 7 * F S Effctiv claming forc FS [kn] 8 6 2 856 max. [mm] 295 98 9 2 8,3 = 6 mm 2 3 5 6 7 6* F S Effctiv claming forc FS [kn] 2 6 2 8 857 max. [mm] 362 238 77 3,3 = 7 mm 2 3 5 6 7 7* F S Orating rssur [ar] Orating rssur [ar] Orating rssur [ar] Orating rssur [ar] * Claming forc for othr lngths s ag. Römhld GmH ctual issu s www.romhld.com 3.85 / - E
ccssoris - claming arms Mtallic wirs Calculation of th flow rat Calculation of th claming forc Dimnsions for scial claming arms Con : Ø d l 2 5 5 Claming arm, max. 7 ar Scial claming arm F s q h max. h max. h min. c g Scial lngth g Ø d n SW Sris a f m k Dowl in Q c Swing clams 853 85 856 857 a [mm] 8 65 96 [mm] 6 25 27 35 c [mm] 22 3 52 6 c [mm] 2 9 3 36 Ø d [mm] 22 3 36 Ø d.5 [mm] 22 3 36 [mm] 3 6 7 f [mm] 7 25 3 g [mm] M2 M8 x.5 M2 x.5 M3 x.5 g [mm] M6 M8 M2 M6 h min. [mm] h max. [mm] 6 5 63 Ø k +. [mm] 3 3 6 6 l +.5 [mm] 8.5 8.5 2.5 2.5 m ±.5 [mm] 6.6.3 5 8. n [mm].5 2.5 6 8 [mm] 22.5 3 37 7 q [mm] 8.5.5 2.5 5.5 SW [mm] 8 8 2 Momnt of inrtia of J [kgmm²] 23 28 327 Part no. Claming arm with contact olt and dowl in 35-23 35-29 35-25 35-256 Dowl in 3 m 6 x 8 3 m 6 x 8 6 m 6 x 2 6 m 6 x 2 33-85 33-85 33-325 33-325 Mtallic wir 3-227 3-228 3-229 3-23 dmissil flow rat With th accssory claming arm and th admissil flow rat as r chart (ag 3) th shortst claming tim is arox.. sconds. ongr scial claming arms hav a highr torqu of inrtia. To avoid an ovrload of th swing mchanism, th flow rat has to rducd: Q = Flow rat as r chart (ag 3) Q = Flow rat with scial claming arm J = Torqu of inrtia accssory claming arm J = Torqu of inrtia scial claming arm If th torqus of inrtia ar not known, th admissil flow rat can dtrmind according to th following xaml: Conditions: Th scial claming arm is longr, has howvr th form (cross sction) of th accssory claming arm, as shown on th lft. Examl: Swing clam 853-9-R6 = 6 mm = 3 mm as r aov chart Q = 3.5 cm³/s (as r chart ag 3) Calculation of th claming forc Th diagrams on ag 3 show th ffctiv claming forc with accssory claming arm ( = ). With longr claming arms ( > ) th dgr of fficincy is rducd. This is considrd in th following calculation. Th constants (.E) for th sizs ar shown in th chart. Constant 853 85 856 857 29.68 5.68 7.6.35.77.69.23.3 C 2.9 26.5 853.8 596 D 353 87 626 6939 E 8.2 7.86 9.55 2.86 Effctiv claming forc F S = F + ( * ) adm. dmissil claming forc*) [kn] F adm = C [kn] dmissil orating rssur adm = D + E 7 [ar] dm. flow rat and claming tim as a function of th claming arm xtnsion Flow rat factor y,8,6,,2,35,5 Examl 2 3 Extnsion factor x,,8,56,6,8,2,6 2, 3,2 Claming and unclaming tim [s]. Extnsion factor x = = 6 mm = 2 3 mm 2. Flow rat factor as r diagram y =.35 3. Max. flow rat Q = y * Q =.35 * 3.5 cm³/s =.7 cm³/s. Min. claming tim as r diagram arox..5 s Throttling of th flow rat Fr flow Dirction of flow control = scial lngth [mm] = rssur [ar] *) With a dsird claming arm lngth th claming forc must not xcd th admissil valu. Examl: Swing clam 853-9-R6 Scial claming arm = 6 mm. dmissil claming forc*) F adm = C = 2.9 =.7 kn 6 2. dmissil orating rssur adm = D + E = 353 + 8.2 = 69 ar < 7 6 3. Effctiv claming forc F S = 69 = =.7 kn + ( * ) 29.68 + (.77 * 6) Römhld GmH ctual issu s www.romhld.com.85 / - E
ccssoris Pnumatic osition monitoring Mounting ody lication Th numatic osition monitoring signals th following conditions y closing two or hols:. Piston xtndd and claming arm in offosition. 2. Piston in claming ara and claming arm in claming osition. For ach control function, a numatic lin has to rovidd at th claming fixtur. Dscrition Whn moving to a switching osition, th air rssur in th suly lin incrass and orats a diffrntial rssur switch or an lctro-numatic rssur switch. Pnumatic ort Cartridg ty Th swing clam with th mountd osition monitoring and insrtd O-rings is ut into th location hol and immdiatly rady for us. Mounting ody Th mounting ody is ut onto th cartridgty vrsion and hld y th sulid safty ring. Th numatic orts M5 can rotatd y 36. h I h2 Cartridg ty Unclamd Clamd Ø r -, Ø C f7 ocation hol Ø s -,2 Ø D H7,2 Rmax. µm 3 O-rings includd in th dlivry Connction: i thrad h F h2 mounting ody Ø E G H Unclamd Clamd ir outut G /8 Monitoring y numatic rssur switch max. 8 ics 2 ar 2 3 K min. J min. 2 Z O P Q (min. fit dth) R Unclamd Safty ring (includd in th dlivry) M5 Clamd 2 l/min 3 5 ar For th valuation of th numatic rssur incras, standard numatic rssur switchs can usd. With on rssur switch u to 8 osition monitorings can controlld (s circuit diagram). It has to considrd that rocss-saf functioning of numatic controls is only guarantd with throttld air rssur and air flow rat. Tchnical data Connction Drilld channls or thrads M5 Nominal diamtr 2 mm Max. air rssur ar Rang of orating rssur 3 5 ar Diffrntial rssur*) at 3 ar systm rssur min..5 ar 5 ar systm rssur min. 3.5 ar ir volum **) 2 l/min *) Minimum rssur diffrnc, if on or svral osition monitorings ar not oratd. **) For masuring of th flow rat aroriat dvics ar availal. Function chart 9 Unclamd Clamd Swing angl < 9 ±5 ±,5 mm Swing angl Claming strok otionally Radiusd dg Ø N Dtail "Z" Swing clams 853XX 85XX 856XX 857XX Ø [mm] 35 7 63 78 [mm] 2.5.5 2.5 5 2.5.5 2.5.5 Ø C f7 [mm] 33 2 5 5 Ø D H7 [mm] 33 2 5 5 Ø E [mm] 53 56 56 Ø F [mm] 7 8.8 5.8 G [mm].95 6.35 3..5 H [mm] 28.75 33.35 35. 36.75 h [mm] 9.5 32 h2 [mm] 2 9 55 57 I [mm] 9.5 62 78 85 J min. [mm] 83.5 23.5 32.5 K min [mm] 9.5 36 5 Ø M [mm] Ø N [mm] 5 5 5 5 O [mm] 6 73.5 89.5 96.5 P [mm] 73 9.5.5 8.5 Q min. [mm] 85 3 25 3 R [mm] 92.5 2 3 3 Ø r -. [mm] 35 7 63 78 Ø s -.2 [mm] 36 8 6 79 Part no. Cartridg ty Swing angl or 9 353-98 353-92 353-928 353-9 5 to 75 = XX*) 353-98-XX 353-92-XX 353-928-XX 353-9-XX Part no. Mounting ody for rtrofitting of th cartridg ty 353-95 353-95 353-952 353-953 *) in gradation of 5 (s ag 2, "swing angl α < 9 ") Ø M (3x) ir lding = Passag = Closd 5 ctual issu s www.romhld.com Römhld GmH.85 / - E
ccssoris Elctrical osition monitoring Imortant nots Wir systm lication Th lctrical osition monitoring signals th following conditions du to daming of two inductiv roximity switchs:. Piston xtndd, claming arm in off-osition. 2. Piston in claming ara, claming arm in claming osition. For ach control function, an lctrical lin has to rovidd at th claming fixtur. Dscrition Th lctrical osition monitoring can asily rtrofittd at all swing clams with switch rod (85XXX). Includd in our dlivry ar: Signal slv with scrw datr with countrsunk scrw Control housing with 3 st scrws 2 Inductiv roximity switchs with right angl lug (if ordrd) Th signal slv is scrwd onto th switch rod. Th adatr is mountd with countrsunk scrws at th ottom covr. Th control housing can ut onto th adatr in any angular osition and lockd with 3 st scrws. For information on adjustmnt of roximity switchs, s orating manual. h h2 M5x,5 Ø D 36 adjustal Possil osition of th roximity switchs "Unclamd" ED ED "Clamd" C with right angl lug E E2 Imortant nots Inductiv osition monitorings ar not suital for th us in coolant and swarf aras. ccording to th corrsonding alication conditions, safty masurs hav to lannd and chckd latr on. Tchnical data Orating voltag... 3 V DC Max. rsidual ril % Max. constant currnt m Switching function intrlock Outut PNP ody matrial stainlss stl Thrad M 5 x.5 Cod class IP 67 Environmntal tmratur 25 +7 C ED Function dislay ys Protctd against short circuits ys Connction ty Plug ngth of cal 5 m Function chart 9 Unclamd Clamd Swing angl < 9 ~ Swing angl = On = Off adjustal arox. mm Claming strok Swing clams 853XX 85XX 856XX 857XX [mm] 8.5 8.5 8.5 8.5 [mm] 25.5 3.5 37.5 39.5 C arox. [mm] 59.5 6 62 62 Ø D [mm] 33 2 5 5 h [mm] 9.5 32 h2 [mm] 2 9 55 57 Part no. Swing angl or 9 with switch and lug 353-92 353-926 353-93 353-93 without switch and lug 353-923 353-927 353-93 353-9 Part no. 5 to 75 = XX*) with switch and lug 353-92-XX 353-926-XX 353-93-XX 353-93-XX without switch and lug 353-923-XX 353-927-XX 353-93-XX 353-9-XX Part no. Sar arts Inductiv roximity switch 3829-98 3829-98 3829-98 3829-98 Right angl lug 5 m 3829-99 3829-99 3829-99 3829-99 *) in gradation of 5 (s ag 2, "swing angl α < 9 ") Imortant nots Swing clams must only usd for claming of workics in industrial alications and may only oratd with hydraulic oil. Thy can gnrat vry high forcs. Th workic, th fixtur or th machin must in th osition to comnsat ths forcs. In th ffctiv ara of iston rod and claming arm thr is th dangr of crushing. Th manufacturr of th fixtur or th machin is oligd to rovid ffctiv rotction dvics. Th swing clam has no ovrload rotction dvic. Whn mounting th claming arm, th claming arm or th hxagon sockt in th iston hav to ackd u for tightning or untightning th fixing nut. During loading and unloading of th fixtur and during claming a collision with th claming arm has to avoidd. Rmdy: Mount osition adator. Wir systm Th standard FKM wir has a high chmical rsistanc against most cooling and cutting fluids. Th otional mtallic wir rotcts th FKM wir against mchanical damag du to ig or hot swarf. It consists of a radially floating wiing disk and a rtaining disk. Th mtallic wir can dlivrd alrady mountd ("M") or as an accssory for rtrofitting (s ag ). ttntion! Th mtallic wir is not suital for dry machining or minimum quantity lurication. lso in alications with vry littl grinding swarf, th standard FKM wir has a ttr rotction ffct. If thr is any dangr that small articls stick to th iston rod, th mtallic wir disk can also rlacd y a hard lastic disk. 6 ctual issu s www.romhld.com Römhld GmH.85 / - E