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Electric Actuator, Slider Type, Ball Screw Drive, Motorless Type LEFS Series (Part Numbers)

Electric Actuator, Slider Type, Ball Screw Drive, Motorless Type LEFS Series

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  • Electric Actuator, Slider Type, Ball Screw Drive, Motorless Type LEFS Series
  • Electric Actuator, Slider Type, Ball Screw Drive, Motorless Type LEFS Series
  • Volume Discount

A motorless specification electric actuator.
[Features]
· The motorless design permits the mounting of various servo motors.
· Compatible with motors/drivers that have been conventionally used.
· Slider type.
· RoHS compliant.
· Size 25 - stroke: 50 to 800 mm.
· Size 32 - stroke: 50 to 1,000 mm.
· Size 40 - stroke: 150 to 1,200 mm.

(i)Caution

  • Refer to the manufacturer's catalog for specification and material details.
  • The product image is a representative image only. CAD data is not available for some model numbers.

PDF

Electric Actuator, Slider Type, Ball Screw Drive LEFS Series Specifications

Electric Actuator, Slider Type, Ball Screw Drive LEFS Series external appearance

Electric Actuator, Slider Type, Ball Screw Drive LEFS Series external appearance

Specifications: Note 2:

ModelLEFS25LEFS32LEFS40
Actuator SpecificationsStroke [mm] Note 1:50 to 80050 to 1,000150 to 1,200
Work Load [kg]Horizontal102020304045305060
Vertical48155102071530
Return to Origin Speed [mm/s]30 or less
Positioning Repeatability
[mm]
Basic Type±0.02
High Precision Type±0.01
Lost Motion Note 3:
[mm]
Basic Type0.1 or less
High Precision Type0.05 or less
Ball Screw SpecificationsThread Diameter [mm]ø10 mmø12 (diameter 12 mm)ø15 (diameter 15 mm)
Lead [mm]2012624168302010
Shaft Length [mm]Stroke + 150Stroke + 185Stroke + 235
Maximum Acceleration/Deceleration [mm/s2]20,000 Note 4:
Impact/Vibration Resistance [m/s2] Note 6:50/20
Actuation TypeBall screw (LEFS□), ball screw + belt (LEFS□R LEFS□L)
Guide TypeLinear guide
Operating Temperature Range [°C]5 to 40
Operating Humidity Range [%RH]90 or less (no condensation)
Other Specifications Note 5:Drive Weight [kg]0.20.30.55
Other Inertia [kg/cm2]0.02 (LEFS25)
0.02 (LEFS25R LEFS25L)
0.08 (LEFS32)
0.06 (LEFS32R LEFS32L)
0.08 (LEFS40)
0.17 (LEFS40R LEFS40L)
Friction Coefficient0.05
Mechanical Efficiency0.8
Reference Motor SpecificationsMotor Type□40□60
Motor typeAC servo motor (100 V / 200 V)
Rated Output Capacity [W]100200400
Rated Torque [Nm]0.320.641.3
Rated Rotation [rpm]3,000

Note 1: Non-standard strokes are manufactured as custom orders.
Note 2: Do not allow collision at either end of the table movement distance at speeds exceeding the "return to origin speed."
In addition, when performing positioning, do not set within a 2 mm range of either end.
Note 3: A reference value for correcting an error in reciprocal operation.
Note 4: Maximum acceleration/deceleration differs depending on the work load. Refer to the "Work Load−Acceleration/Deceleration Graph" in the ball screw drive section of the catalog.
Note 5: Values are guidelines only. Use these values for selecting the motor capacity, etc.
Note 6: Impact resistance: No malfunction occurred when the actuator was tested with a drop tester in both an axial direction and a perpendicular direction to the lead screw. (Test was performed with the actuator in the initial state.)
Vibration resistance: No malfunction occurred in a test ranging between 45 and 2,000 Hz (1 sweep), performed in both an axial direction and a perpendicular direction to the lead screw. (Test was performed with the actuator in the initial state.)

  • *These specifications are tolerance values for the actuator unit, equipped with the standard/reference motor.
  • *Use within these specifications.

Dimensions / Ball Screw Drive

 

(Units: mm)

 

LEFS25 dimensional drawing

LEFS25 dimensional drawing

Note: When mounting the actuator using the body mounting reference plane, set the height of the opposite surface or pin to be 3 mm or more. (Recommended height: 5 mm)

 
Motor type: NZ/NY/NX dimensional drawing

Motor type: NZ/NY/NX dimensional drawing

Motor type: NM1/NM2 dimensional drawing

Motor type: NM1/NM2 dimensional drawing

Dimensions Table

 

(Units: mm)

 

StrokeLABnDEF
50201.5561604--20
100251.51062104--35
150301.51562604--35
200351.52063106224035
250401.52563606224035
300451.53064108336035
350501.53564608336035
400551.54065108336035
450601.540656010448035
500651.550661010448035
550701.555666012560035
600751.560671012560035
650801.565676012560035
700851.570681014672035
750901.575686014672035
800951.580691016784035

Motor Mounting Part Dimensions Table

 

(Units: mm)

 

Motor typeFAFBFCFDFEFFFGFH
NZ/NXM4 × 0.7846303.535.5--
NYM3 × 0.5845303.535.5--
NM13.4-3122 *2.5*246.513.5
NM23.4-3122 *2.5*33.16.522.6

*Dimension after attaching ring spacer.

Notes

  • *Do not apply load in excess of the specification limits.
  • *Select a suitable actuator by work load and allowable moment. If the product is used outside of the specification limits, the unbalanced load applied to the guide will be excessive and have adverse effects, such as creating play on the guide, degrading accuracy and shortening the lifespan of the product.
  • *Do not use the product in applications where excessive external force or impact force is applied to it. Doing so can cause the product to malfunction.
  • *Refer to the SMC catalog for product information other than what is detailed above.
  • *The product image is a representative image only.
Part Number
LEFS25NZA-150
LEFS25NZA-200
LEFS25NZA-250
LEFS25NZA-300
LEFS25NZA-350
LEFS25NZA-400
LEFS25NZA-450
LEFS25NZA-500
LEFS25NZA-550
LEFS25NZA-600
LEFS25NZA-650
LEFS25NZA-700
LEFS25NZA-750
LEFS25NZA-800
LEFS25NZB-50
LEFS25NZB-100
LEFS25NZB-150
LEFS25NZB-200
LEFS25NZB-250
LEFS25NZB-300
LEFS25NZB-350
LEFS25NZB-400
LEFS25NZB-450
LEFS25NZB-500
LEFS25NZB-550
LEFS25NZB-600
LEFS25NZB-650
LEFS25NZB-700
LEFS25NZB-750
LEFS25NZB-800
LEFS25NZH-50
LEFS25NZH-100
LEFS25NZH-150
LEFS25NZH-200
LEFS25NZH-250
LEFS25NZH-300
LEFS25NZH-350
LEFS25NZH-400
LEFS25NZH-450
LEFS25NZH-500
LEFS25NZH-550
LEFS25NZH-600
LEFS25NZH-650
LEFS25NZH-700
LEFS25NZH-750
LEFS25NZH-800
LEFS25RNM1A-400
LEFS25RNM1B-150
LEFS25RNM1B-200
LEFS25RNM1H-150
LEFS25RNM2A-50
LEFS25RNM2A-100
LEFS25RNM2A-200
LEFS25RNM2A-250
LEFS25RNM2A-300
LEFS25RNM2A-400
LEFS25RNM2A-500
LEFS25RNM2B-100
LEFS25RNM2B-150
LEFS25RNM2B-200
LEFS25RNM2B-300
LEFS25RNM2B-400
LEFS25RNM2B-450
LEFS25RNM2H-100
LEFS25RNM2H-200
LEFS25RNXA-500
LEFS25RNYA-100
LEFS25RNYA-150
LEFS25RNYA-200
LEFS25RNYA-250
LEFS25RNYA-300
LEFS25RNYA-400
LEFS25RNYA-600
LEFS25RNYB-50
LEFS25RNYB-100
LEFS25RNYB-200
LEFS25RNYB-800
LEFS25RNYH-100
LEFS25RNZA-50
LEFS25RNZA-100
LEFS25RNZA-150
LEFS25RNZA-200
LEFS25RNZA-250
LEFS25RNZA-300
LEFS25RNZA-350
LEFS25RNZA-400
LEFS25RNZA-450
LEFS25RNZA-500
LEFS25RNZA-550
LEFS25RNZA-600
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipStroke
(mm)
Max. Transportable Mass Range (Horizontal)
(kg)
Max. Transportable Mass (Horizontal)
(kg)
Max. Transportable Mass Range (Vertical)
(kg)
Max. Transportable Mass (Vertical)
(kg)
Lead
(mm)
Table Width W1
(mm)
Table Length L1
(mm)
Positioning Repeatability
(µm)
Maximum Velocity
(mm/sec)
Size Accuracy Motor type Motor mounting position

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Basic Information

Main Body, Peripheral Components Main Body Type Slider Guide Provided
Position Detection Incremental Brake Not Provided Cable Not Provided
Noise Filter Not Provided Operating Environment Standard

Frequently asked question (FAQ)

Question: Does the LE series have a built-in origin sensor?
Answer: There is no origin sensor.
When an origin sensor is required in use combined with LECS, mount a separate sensor.
As well, origin return in combined use with LECP/LECPA does not require an origin sensor, as the push origin method is used.
[Push origin method: The table is pushed against the stroke end and its position is used as origin reference]
Question: Is horizontal ceiling mounting possible for the LEF Series?
Answer: Ceiling mounting is possible with the same selection as for horizontal.
However, note that longer strokes will lead to seal band deflection.

Tech Support

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