UBA, UAL series
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Linear actuators UBA Series and UAL Series

Linear actuators UBA Series and UAL Series 4.1 MANUFACTURING FEATURES Input drive: timing belt transmission; pulleys UNI ISO 5294:1991 in aluminium for low inertia; positive timing belts UNI ISO 5296-1:1991. Housing: designed and manufactured in monobloc form to obtain a compact body able to sustain heavy axial loads and high machining accuracy. High quality materials are used: ▪ castings in hardened aluminium alloy EN 1706 AC-AlSi10Mg T6 Ball screw: Acme screw: ▪ ISO trapezoidal thread ISO 2901 ... ISO 2904 ▪ designed and manufactured by SERVOMECH ▪ material: steel C 43 (UNI 7847) ▪ rolled...

Linear actuators UBA Series 4.2 TECHNICAL DATA - ball screw linear actuators UBA Series SIZE Outer tube diameter Attachment flange for IEC standard motor Max. dynamic load. Max. static load Diameter × Lead Ball Ball screw Linear travel [mm] for 1 input shaft revolution Diameter × Lead Ball Ball screw N° of circuits Dynamic load Ca Linear travel [mm] for 1 input shaft revolution Mass (actuator 100 mm stroke length, without motor, with lubricant) Extra-mass for each additional 100 mm stroke length

Linear actuators UAL Series 4.2 TECHNICAL DATA - acme screw linear actuators UAL Series SIZE Outer tube diameter Attachment flange for IEC standard motor Max. dynamic load Max. static load RV1 Linear travel [mm] for 1 input shaft revolution Linear travel [mm] for 1 input shaft revolution Mass (actuator 100 mm stroke length, without motor, with lubricant) Extra-mass for each additional 100 mm stroke length

Linear actuators UBA Series BALL SCREW LINEAR ACTUATORS UBA Series with AC 3-PHASE MOTOR PERFORMANCE with: Duty Cycle Fi = 100 % at ambient temperature 25 °C LINEAR SPEED [mm/s] MOTOR: POWER [kW] — N° of POLES SPEED [rpm] SELF-LOCKING COEFFICIENT value limited by electric motor power; ball screw lifetime L10h > 1000 hours (see diagrams on pages 33 ... 35) The total dynamic efficiency (h) of UBA Series actuators, used to determine the dynamic load is calculated as follows: h = h 1 × h2 × h 3 where: h1 = 0.95 – timing belt transmission efficiency h2 = 0.9 – ball screw - nut efficiency h3 =...

Linear actuators UAL Series ACME SCREW LINEAR ACTUATORS UAL Series with AC 3-PHASE MOTOR PERFORMANCE with: Duty Cycle Fi = 30 % over 10 min at ambient temperature 25 °C LINEAR SPEED [mm/s] MOTOR: POWER [kW] — N° of POLES SPEED [rpm] SELF-LOCKING COEFFICIENT value limited by electric motor power The total dynamic efficiency (h) of UAL Series actuators, used to determine the dynamic load is calculated as follows: h = h 1 × h 2 × h3 where: h1 = 0.95 – timing belt transmission efficiency h2 – acme screw-bronze nut dynamic efficiency, calculated with reference to the speed h3 = 0.9 – bearings...

Linear actuators UBA Series BALL SCREW LINEAR ACTUATORS UBA Series with AC 1-PHASE MOTOR PERFORMANCE with: Duty Cycle Fi = 100 % at ambient temperature 25 °C LINEAR SPEED [mm/s] MOTOR: POWER [kW] — N° of POLES SPEED [rpm] SELF-LOCKING COEFFICIENT value limited by electric motor power; ball screw lifetime L10h > 1000 hours (see diagrams on pages 33 ... 35) The total dynamic efficiency (h) of UBA Series actuators, used to determine the dynamic load is calculated as follows: h = h 1 × h2 × h 3 where: h1 = 0.95 – timing belt transmission efficiency h2 = 0.9 – ball screw - nut efficiency h3 =...

Linear actuators UAL Series ACME SCREW LINEAR ACTUATORS UAL Series with AC 1-PHASE MOTOR PERFORMANCE with: Duty Cycle Fi = 30 % over 10 min at ambient temperature 25 °C LINEAR SPEED [mm/s] MOTOR: POWER [kW] — N° of POLES SPEED [rpm] SELF-LOCKING COEFFICIENT value limited by electric motor power The total dynamic efficiency (h) of UAL Series actuators, used to determine the dynamic load is calculated as follows: h = h 1 × h 2 × h3 where: h1 = 0.95 – timing belt transmission efficiency h2 – acme screw-bronze nut dynamic efficiency, calculated with reference to the speed h3 = 0.9 – bearings...

Linear actuators UBA Series BALL SCREW LINEAR ACTUATORS UBA Series with DC MOTOR PERFORMANCE with: Duty Cycle Fi = 100 % at ambient temperature 25 °C LINEAR SPEED [mm/s] SELF-LOCKING COEFFICIENT MOTOR: POWER [kW] — N° of POLES SPEED [rpm] value limited by electric motor power; ball screw lifetime L10h > 1000 hours (see diagrams on pages 33 ... 35) The total dynamic efficiency (h) of UBA Series actuators, used to determine the dynamic load is calculated as follows: h = h 1 × h2 × h 3 where: h1 = 0.95 – timing belt transmission efficiency h2 = 0.9 – ball screw - nut efficiency h3 = 0.9 –...

Linear actuators UAL Series ACME SCREW LINEAR ACTUATORS UAL Series with DC MOTOR PERFORMANCE with: Duty Cycle Fi = 30 % over 10 min at ambient temperature 25 °C LINEAR SPEED [mm/s] SELF-LOCKING COEFFICIENT MOTOR: POWER [kW] — N° of POLES SPEED [rpm] value limited by electric motor power The total dynamic efficiency (h) of UAL Series actuators, used to determine the dynamic load is calculated as follows: h = h 1 × h 2 × h3 where: h1 = 0.95 – timing belt transmission efficiency h2 – acme screw-bronze nut dynamic efficiency, calculated with reference to the speed h3 = 0.9 – bearings and...

Linear actuators UBA Series BALL SCREW LINEAR ACTUATORS UBA Series, size 1 — 2 — 3 — 4 AC 3-phase or 1-phase MOTOR — with Magnetic Stroke Limit Switches FCM La = Lc + STROKE STROKE STANDARD HEAD with threaded bore BA 4 Lc - RETRACTED ACTUATOR length La - EXTENDED ACTUATOR length FRONT ATTACHMENTS MAGNETIC STROKE LIMIT SWITCHES FCM Dimensions L REED CONTACT NC or (NC+NO) NO 42 47 51 56 59

Linear actuators UBA Series BALL SCREW LINEAR ACTUATORS UBA Series, size 1 — 2 — 3 — 4 AC 3-phase or 1-phase MOTOR — with Magnetic Stroke Limit Switches FCM STANDARD STROKE LENGTHS STROKE CODE C100 C200 C300 C400 C500 C600 C700 C800 UBA 1 UBA 2 UBA 3 UBA 4 NOTE: Different stroke lengths available on request. La = Lc + STROKE For stroke lengths longer than 800 mm it is necessary to increase the guided length between push rod and outer tube to avoid axial backlash. Dimensions S2, T and Q2 shall be considered increased by 200 mm for stroke lengths up to 1500 mm. For stroke lengths longer than...