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Servomech S.p.A.

01.05.TR.E - Rev. 02 DD (M/Y) 12/19

ACME SCREW JACKS

MA Series

SJ Series

Installation, operation and maintenance manual

Publication: 01.05.TR.E - Rev. 02 Date (M/Y) 12/19

Servomech S.p.A.

Via M. Calari, 1 - 40011 Anzola dell’Emilia (BO) - ITALY

Ph: + 39 051 6501711 Fax: + 39 051 734574

www.servomech.com [email protected]

Содержание MA 10

Страница 1: ...EW JACKS MA Series SJ Series Installation operation and maintenance manual Publication 01 05 TR E Rev 02 Date M Y 12 19 Servomech S p A Via M Calari 1 40011 Anzola dell Emilia BO ITALY Ph 39 051 65017...

Страница 2: ...eve Servomech S p A from any liability for damage caused to persons and or property Servomech S p A it does not assume direct or indirect responsibility for an improper use of the screw jack not respe...

Страница 3: ...10 4 1 1 Use restrictions 10 4 1 2 Standard operating conditions 11 4 1 3 Thermal limit 11 4 2 Personnel requirements Qualifications 11 5 STORAGE 11 6 INSTALLATION 12 6 1 Safety warnings 12 6 2 FCP i...

Страница 4: ...lifting system 30 6 13 Installation of fitting elements on threaded end Mod A 30 7 COMMISSIONING AND USE 31 8 LUBRICATION 32 9 MAINTENANCE 33 9 1 Travelling screw lubrication Mod A 35 9 2 Travelling n...

Страница 5: ...cturer SERVOMECH S p A S U Via Monaldo Calari 1 40011 Anzola dell Emilia BO ITALY Ph 39 051 6501 711 Fax 39 051 7345 74 Website www servomech com e mail info servomech com 2 2 Description of the produ...

Страница 6: ...Figure 2 2 Main components of SJ screw jacks 1 Acme screw 2 Acme nut 3 Screw end 4 Gearbox housing 5 Protective tube 6 Input gearbox shaft 7 Acme nut grease nipple 8 Gearbox grease nipple SJ Mod A tr...

Страница 7: ...drive 3 Stroke length is the stroke length in millimetres achievable by the screw jack 4 Linear speed is the linear speed expressed in mm s when the screw jack is provided with electric motor for a s...

Страница 8: ...s or eyebolts When transporting the product with attached motor always provide support for the motor or remove the motor before transporting the product For lifting and transporting travelling screw j...

Страница 9: ...26 26 48 75 145 Mass for each 100mm acme screw kg 0 16 0 23 0 45 0 8 1 6 1 8 205 5 2 SJ 5 SJ 10 SJ 25 SJ 50 SJ 100 SJ 150 SJ 200 SJ 250 SJ 300 SJ 350 SJ 400 SJ 600 SJ 800 SJ 1000 Mass of the screw jac...

Страница 10: ...th a purely axial applied load They must be subjected to the loading and speed conditions specified in the catalog Modification of parts of the screw jack or replacement of components with different a...

Страница 11: ...internal parts overheating 100 Permissible duty cycle Fi MA Series SJ Series Fi over 10 min time period 40 30 Fi over 1 hour time period 30 20 For the proper operation of screw jack do never exceed t...

Страница 12: ...ON AND MAINTENANCE OF THE PRODUCT BEFORE TO PROCEED TO THE ELECTRIC CONNECTION MAKE SURE THE SUPPLY VOLTAGE IS TURNED OFF BEFORE TO TURN ON THE MOTOR MAKE SURE THE ELECTRIC CONNECTIONS ARE TIGHTENED A...

Страница 13: ...350 T FCP 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 T AR FCP 3 5 3 5 3 5 3 5 3 5 6 8 5 13 5 TG FCP 3 5 3 5 3 5 3 5 8 5 8 5 8 5 8 5 TG AR FCP 3 5 3 5 3 5 3 5 3 5 6 8 5 13 5 Dimension P mm SJ 5 SJ 10 SJ 25 SJ 50...

Страница 14: ...D LOCKNUT FIXED ON THE SENSOR In case it is necessary to restore the correct sensing distance position P from the metallic ring see Fig 6 2 unscrew the two preloaded nuts set the correct sensing dista...

Страница 15: ...e screw jack motion which can be retracting or extending Figure 6 3 FCM magnetic stroke limit switches FCM magnetic limit switches are supplied already fixed on extreme stroke positions Lc and La see...

Страница 16: ...tches Normally open NO switches REED SWITCHES TECHNICAL FEATURES Contact NC NO Switching output Reed Supply voltage 5 120 V AC DC 1 5 230 V AC DC 2 Voltage drop 0 35 V Continous current 100 mA AC Swit...

Страница 17: ...lative support pin when operated by the ferrous metal ring fixed to the screw end and a spring that allows the return of the cam to its neutral position thus deactivating the switch the entire assembl...

Страница 18: ...OP AND PREVENTING DAMAGE TO THE INTERNAL COMPONENTS OF THE SCREW JACK 6 5 Rotary encoder ENC 4 Encoder ENC 4 TECHNICAL FEATURES Transducer type Hall effect encoder incremental bi directional Resolutio...

Страница 19: ...ectional Resolution 100 or 500 pulses per revolution Output PUSH PULL 2 channels A and B phase difference 90 channel ZERO Input voltage 8 24 V DC No load current 100 mA Max commutable current 50 mA Ca...

Страница 20: ...rew jacks and changes the screw jack overall dimensions THE SAFETY NUT WORKS WITH ONE PARTICULAR LOAD DIRECTION ONLY ITS POSITION AS REGARDS THE STANDARD NUT IS CONDITIONED BY THE LOAD DIRECTION Follo...

Страница 21: ...MG is a manual device which reduces axial backlash between acme screw and bronze nut allowing high positioning precision With the RMG device it is also possible to compensate the wear of the nut threa...

Страница 22: ...ely powered f AC 3 phase motor with DC brake separately powered AC 2 phase with rectifier g AC 3 phase motor with DC brake separately powered In case of brake motor the brake is NORMALLY CLOSED NEGATI...

Страница 23: ...ams to power supply of AC 3 ph motor Figure 6 9 Electric wiring diagrams to motor terminal board of AC 3 ph motor IN CASE OF ELECTRIC MOTOR DIFFERENT FROM THE ABOVE MENTIONED PLEASE REFER TO INSTALLAT...

Страница 24: ...ion When the power supply is switched off the brake is engaged The brake opens only when power is supplied the brake is wired separately make sure that the correct voltage is used if the brake is equi...

Страница 25: ...off the brake is engaged The brake opens only when power is supplied the brake is wired separately make sure that the correct voltage is used if the brake is equipped with hand release device make su...

Страница 26: ...control unit by powering the electric motor on VERY BRIEFLY Figure 6 14 Screw jack shifting directions If the screw jack shifting directions are not compatible A THREE PHASE MOTOR invert any wire pai...

Страница 27: ...stop is reached In case of screw jack without anti rotation device AR it is possible to manually screw unscrew the acme screw to change the length of the screw jack In case of screw jack with bellow p...

Страница 28: ...d cleaned and that they fit the dimensions of the screw jack fixing elements they have to be fixed to If the position of the acme nut have to be changed during installation screw unscrew the nut on th...

Страница 29: ...w Provide RADIAL support to the CYLINDRICAL ROTATING END N of the acme screw with a bearing The cylindrical end N must be free to move in axial direction DO NOT FIX IT Check the axis of the acme screw...

Страница 30: ...e aligned and supported so that any vibration or dangerous bending of the transmission should not occur 6 13Installation of fitting elements on threaded end Mod A To install a mounting element on the...

Страница 31: ...of the screw jack then run the screw jack GRADUALLY from the control unit in order to reach the plant to its more distant extreme position Check continuously the current screw jack length during the m...

Страница 32: ...table SHELL Omala S4 WE 320 CASTROL Alphasyn PG 320 MOBIL Glygoyle 320 MA 50 MA 80 MA 100 MA 200 MA 350 SJ 5 Grease NLGI 2 DIN 51818 ENI Grease SM 2 SJ 10 SJ 25 SJ 50 Grease NLGI 00 DIN 51818 AGIP Gre...

Страница 33: ...Please use lubricant indicated in Table 8 1 or equivalent Every 2 months time interval visual inspections of screw jack conditions cleaning of dirty parts of the screw jack In case of lubricant leaka...

Страница 34: ...m Tr 40 14 P7 14 SJ 100 Tr 55 9 9 2 1 cm Tr 55 18 P8 18 SJ 150 Tr 60 12 12 2 1 cm Tr 60 24 P12 24 SJ 200 Tr 70 12 12 2 2 cm Tr 70 24 P12 24 SJ 250 Tr 80 12 12 2 2 cm Tr 80 24 P12 24 SJ 300 Tr 90 12 12...

Страница 35: ...eaded on the working threaded area At the end move the acme nut over its entire stroke for 3 full cycles If necessary remove the excess of lubricant from the acme screw 9 3 Anti rotation device lubric...

Страница 36: ...ly drain the oil inside the housing by removing the drain plug comp n 8 Fig 2 1 Replace the sealing washer on the drain plug with a new one and fix it on the proper hole Remove the breather plug comp...

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