MULTIPLATE IN-LINE SLIP CLUTCHES

Transcription

1 MULPL N-LN SLP LUHS PHON:..00 FX:.. FUNON: Multiplate slip clutches control torque for intermittent, continuous, or overload slip. t will drive in 0 both directions, slip when the torque setting is reached, and resume driving as the load is reduced. hese clutches are excellent as continuous or intermittent drag brakes, protection against overloads, for soft starts, slip at the end of a stroke, as friction hinges, for screwing on container caps, etc. OUPU PULLY HUS PL FON PS NN PLS (VNG) OU PLS (VN) SPNGS HU OQU PNS 0 NPU SHF HOUSNG N PL G ONSUON: he clutch consists of two assemblies: a cartridge and a housing (see cutaway above). he cartridge is set-screwed or keyed to the input shaft. he housing is either set-screwed or keyed to the output shaft or, as shown, is attached to the output gear or pulley with a bronze bearing to allow relative motion between the input shaft and the output gear/ pulley. orque is transmitted from the flats on the hub to the mating flats on the inner plates, through the friction pads to the outer plates, through the torque pins to the housing and the output gear/pulley. he torque level is controlled by compressing the springs with the adjusting nut. For a fixed torque clutch, a collar is attached to the hub in a fixed position instead of the adjusting nut. n operation, either the input shaft or the housing can be the input member, with the other member being driven. PY: he clutch capacity as noted in the catalog is based on continuous operation at 0 rpm for over million cycles. orque, rpm, duty cycle and life are interdependent. reduction of any of these will allow an increase in any other. unning at rpm will allow twice the torque, or running for only 0% of the cycle will allow higher rpm, etc. he limit is based on heat buildup measured in watts: nglish Unit Watts = orque (lbf) x rpm x 0.0 x % uty ycle Metric Unit Watts = orque (Nm) x rpm x 0 x % uty ycle For typical applications, see examples on page -. OQU JUSNG NU NN PLS M WH FLS ON HU -

2 N-LN SLP LUHS MULPL SGN JUSL OQU ML: Fig. - Housing - Zinc Plated Steel Plates - rass Friction Materials - Proprietary (Nonasbestos) Fig. - Housing - luminum Plates - rass Friction Materials - Proprietary (Nonasbestos) FUS: Fully adjustable within rating limits. Low stick / slip ratio. ontinuous slip within dissipation limit. vailable with bronze bearing in hub end so that gear, pulley, etc. can be mounted on hub. vailable with other bores as special order. PHON:..00 FX: HOUSNG Ø HOUSNG G Ø JUSNG NU Fig. Ø G Ø NH OMPONN atalog Number Fig. S-M0 S-M0 atalog Number Fig. S-MO00 S-MO00 S-MO0 S-MO0 ody ± ody ± * See echnical pplications page. Std Std Spec... Spec X Ø Length ±.0.0. Lgth. ± ± ±.0.. Length Lgth epth nd.. art. nd..00 orque* issip. * ange Power ozf 0 rpm Watts. to. to 0 epth F G art. nd nd Ø JUSNG NU Fig ØG 0 ON OL L ØF.0. Friction Surfaces - orque* issip. * ange Power ozf in. 0 rpm. to to 00. to 00 to Friction Surfaces 0

3 N-LN SLP-S LUHS MULPL SGN JUSL OQU ML: Housing - luminum Plates - rass Friction Pads - Proprietary (Non-asbestos) FUS: acklash. Long life. Fully adjustable within rating limits. Low stick/slip ratio. ontinuous slip within dissipation limit. PHON:..00 FX:.. Fig. 0 SPFONS: Fig. has a bronze bearing in the hub end so that a gear, pulley, etc. can be mounted on hub. Other bores and keyways available on special order. Fig. S SWS 0 P Ø Ø Ø Fig. Ø S SWS 0 P 0 Ø Ø Shaft to Shaft Fig. S-SS0 S-SS0 S-SS00 S-SS000 S-SS0 S-SS atalog Number Fig. hru Shaft Fig. S-S0 S-S0 S-S00 S-S000 S-S0 S-S * See echnical pplications page - Housing is black anodized orque* issip. * ange Power Friction ozf in. 0 rpm Watts NW

4 XMPLS OF N-LN SLP LUH PPLONS UNLM PPLONS:* ntermittent motion orque limiting ndexing Hinging Phase adjustment Many more Feeding PHON:..00 FX:.. *he ingenuity of engineering has led to applications with labelers, indexing, film transport, instrumentation, business machines, computer peripherals, packaging, mailing, plotters, paper feeds and many more. We supply stock clutches or we work with you to develop units for your specific applications. YPL MULPL SLP LUH PPLONS: 0 MNG L ON HOUSNG iming belt drives housing. orque transmitted through adjustable pressure plates to shaft. lso operates as shaft input to timing belt. SHF-O-SHF ONOL ither shaft as input. Fixed torque transmitted through pressure plates. Shafts must be journalized. lso can be adjustable torque. SLP G WH G Pressure pads transmit torque directly to gear for space saving package. LUH WH MOF G orque transmitted directly from gear through pins to adjustable pressure plates. KNO WH OQU POON Knob connected directly to housing. Fixed torque transmitted to shaft. Will slip above preset torque. K O FM OF MHN Outer pressure plates held to machine frame. djustable braking pressure transmitted to shaft. 0 LH YOU SPOOL SNGL VOLUON LUH nput shaft turns continuously. Output shaft turns when latch is disengaged. Single revolution, partial revolution, or multi-revolutions can be designed. ONSN OQU SUPPLY O WN SPOOL Slip clutch mounted directly to spool will give constant torque. Mounted directly to constant diameter cylinder will give constant tension. Many variations available to control wire supply system. -

5 SPNG-WPP SLP LUHS FUS: Long life under continuous slip conditions. Unidirectional or bidirectional operation. Same or different clockwise and counterclockwise torques. Precise and stable limit torque calibration (range:.0 to 0 ozf in.). Same torque at breakaway as at high slip velocities. Mounting provisions for gear, sprocket or pulley. orrosion-resistant materials. PPLONS: ension control of film or tape drives ransmission overload protection PHON:..00 FX: SPL SGNS: he standard line of slip elements provides a wide selection of limit torques, sizes and coupling arrangements. n addition, our engineers will modify designs to meet your specific requirements in such areas as: onfiguration riving arrangement Limit torques from a fraction of an ozf in. to several lbf ft. alibration of torque to a tolerance of ± % ifferent limit torques for the two directions of rotation Spring windup and limit torque combination. he spring action of the slip element is useful for tensioning of tape and prevention of slack loops. * Stock units are calibrated with equal clockwise and counterclockwise slip torques corresponding to the tabulated Upper Limit orques. Other torques are readily available from full, down to / of the Upper Limit orque for each model. orque values are independent of each other for clockwise and counterclockwise rotation, and may be specified the same or different for the two directions. ** ll clutches in this series have a pilot diameter K and three tapped holes N for mounting a gear, sprocket or pulley on the input hub. Screw penetration into the clutch housing must not exceed the depth specified in column N. oncentricity of pilot diameter K to bore is max. ll slip clutches are designed for long life under continuous slip conditions. he useful life of these elements is a function of the transmitted torque and slip speed. he life of the slip couplings & clutches is defined as the number of hours of continuous slip required to cause a deviation of 0% from the initial calibrated torque value. xtensive life tests have been performed on a number of standard units. he Life xpectancy urves are designed for approximating the life span of standard slip clutches and couplings. ontinued on the next page 0 -

6 SPNG-WPP SLP LUHS XMPL: PHON:..00 FX:.. f a slip clutch is to provide a torque limit of 0 ozf in. at a continuous slip speed of 00 rpm for 00 hours, the smallest item which can be calibrated is from the S0Y SW.. series. he upper limit torque for this unit is 0 ozf in. Limit orque atio = equired orque = 0/0 = 0. Upper Limit orque From Life xpectancy urves 00 rpm & 0. ratio:,00,000 ev Life =,00,000 ev = =. Hrs. 00 ev / Min. x 0 Min. / Hour he. hours life value is less than desired 00 hours. he next larger slip clutch belongs to the S0Y SW series. he upper limit torque for this unit is 0 ozf in. Limit orque atio = 0/0 = 0. From Life xpectancy urves for 00 rpm & 0. ratio: Life =,00,000 ev =,00,000 ev = 00 Hrs. 00 ev / Min. x 0 Min. / Hour S0Y SW.. series clutch will provide the desired life. rpm 0 00 orque YPL LMN LF (SN LOG MOLS) / Upper Limit Upper Limit / Upper Limit Upper Limit / Upper Limit Upper Limit Hours of ontinuous Slip in ach irection,00,0, Hours of Operation uty ycle: Sec. Slip, Sec. est,00,00,00,0, / Upper Limit Upper Limit he table entitled ypical lement Life provides life in hours of operation for some typical slip speeds and torques of standard slip elements. he torque is presented in terms of / and full upper limit torque rating of a given slip element. VG POW SSPON (P) ontinuous Slip P =.000 N ycle Slip P =.000 N where: = Slip orque [ozf in.] N = verage Slip Speed [rpm] uration of Slip / ycle = uration of ycle LF (VOLUONS OF SLP) x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x ONNUOUS SLP SP (rpm) LF XPNY UVS LM OQU O

7 SPNG-WPP SLP LUHS OV Y U.S. PNS N PNS PNNG PHON:..00 FX: OUPU USOM'S** NPU ØL N OUPU USOM'S** NPU ØL N ØK ØJ ØK ØJ ØH Ø G F ØM G F ØH Ø ØM Fig. NH OMPONN Fig. atalog Number No S0Y-SW00 S0Y-SW00 S0Y-SW00 S0Y-SW00 S0Y-SW00 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW0 S0Y-SW00 S0Y-SW0 S0Y-SW0 * or ** See page F.0.0 G #- #- #-0 #-0 #-0 #- #- #- #- #- #- #- #- #- #- #- #- #- #0- #0- #0- 0 H J K L Fig. M N #0-0.0 P. #-.0 P. #-. P. #-0. P. #-.0 P. Upper* Limit orque ozf in. ± 0 ± ± 0 ± 0 ± 0 ± 0 ± 0 ± 0 ± 0 - issip. Power Watts

8 MGN SPNG-WPP LUHS HNL + PFOMN POFL VOLG UN LO rpm 0 UN N SP SPONS POFL = ime to engage () (lectrical build up and collar movement and spring wrap time). = ime to speed (S). = rmature disengagement time (). = ime to zero (Z) (Load and speed dependent). + M HSS OF SNGGMN ontrol collar release time () is affected somewhat by speed, load, and the operational performance. he electrical circuit, however, has a major impact on the clutch disengagement performance. Voltage transients and bleed down time should be minimized. he optimum suppression network for an application using the clutch is represented PHON:..00 FX:.. MGNLLY U LUHS Principles of Operation: lutch Operation he inside diameter of the spring is larger than the outside diameter of the shaft hub. One end of the spring (control tang) is fastened to the control collar (or armature). ontrol ollar + 0 Shaft Flange When the coil is de-energized, the hubs rotate independently of each other. he free hub (affixed to the spring), the spring, and the collar rotate as a unit. he opposing shaft hub is not fastened to the spring and rotates as another unit. he coil housing is stationary and piloted on the shaft bearing. ground pin placed in the retaining tab secures the coil housing from rotating. e-nergized nergized When the coil is energized, the control collar is pulled and held against the shaft flange. he momentary relative motion between spring and hubs "wraps" the spring, coupling the two hubs positively. ll torque is transmitted through the wrapped spring. Magnetic force is only necessary to maintain a tight spring grip for total torque transfer. by circuit which incorporates a N00 series diode and a V zener. Omitting the zener (circuit ) would result in a less expensive circuit but at the expense of minor decrease in performance. ircuit represents the quickest disengagement time but provides no protection for voltage transients. 0 NO SUPPSSON N00 SUPPSSON N00 N V ZN SUPPSSON -

9 SHF-MOUN LUHS ZO-KLSH MU FO PLLL LOS PHON:..00 FX:.. OL : Voltage: V Other voltages and dissimilar bore combinations are available on special order. H K** L MU 0 NH OMPONN atalog Number S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-000 S SWS 0 P F in. MN. Static * Nom. orque esist. lbf in. ohms OO wattage... Ø ØM Ø Width Height Keyway imensions rmature otor nergy rmature nertia nertia issipation lbf in. sec lbf in. sec lbf ft./min. ngagement isengagement msec msec. x 0 -. x 0 -. x 0 -. x 0 -. x 0 -. x 0 -. x 0 -. x 0 -. x 0 -. x x 0 -. x x 0 -. x x x x x x x 0-00 atalog Number (ef.) ef. F H K** L M Weight lb. S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S-00 S0S * ypical torque after burnishing; units shipped burnished. ** For atalog Number: -00, -00, initial working air gap at installation shall be.00/ , -00, -00, -00, initial working air gap at installation shall be.00/ , -00, -00, initial working air gap at installation shall be.00/ , initial working air gap at installation shall be.00/.0. Keyway not available in rotor. No knurl available; S0S- supplied with () #- holes on a Ø... S0S-0 supplied with () #- holes on a Ø

10 PSON SLP LUH SSMLS PN YP ML: Housing - 0 Stainless Steel rake - Oil-mpregnated Steel OQU: -0 ozf in. Other bores available on special order. PHON:..00 FX:.. SU LL Ø/ Ø/ HU. S SW / -/ O Ø Precision omponent NH OMPONN atalog Number S0-G0S- S0-G0S- S0-G0S- S0-G0S iameter Set Screw #- #- #-0 #- Sub rill NO: Use with less Gears of. F.W. and.0 bore. LMP YP ML: Housing - 0 Stainless Steel rake - Oil-mpregnated Steel OQU: -0 ozf in. Other bores available on special order. / / 0 Ø/ Ø/ O Ø. Ø. NH OMPONN Ø atalog Number S0-G0- S0-G0- S0-G0- S0-G NO: Use with less Gears of. F.W. and.0 bore. -

11 SN SLP LUH SSMLS PN YP ML: Housing - 0 Stainless Steel rake - ork OQU: -0 ozf in. S SW Ø SU LL / PHON:..00 FX:.. HU Ø / O 0 NH OMPONN atalog Number S0-MM-0 S0-MM-0 S0-MM NO: Use with less Gears of. F.W. and.0 bore. iameter...00 Set Screw #- #-0 #- Sub rill V: 0.. K -