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

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Check FAQ of this product (2 items)

SMC

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.

Part Number

Configured Part Number is shown.

Product Specifications
Part Numbers
Catalog

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

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

Specifications: Note 2:

Model			LEFS25			LEFS32			LEFS40
Actuator Specifications	Stroke [mm] ^{Note 1:}		50 to 800			50 to 1,000			150 to 1,200
	Work Load [kg]	Horizontal	10	20	20	30	40	45	30	50	60
	Work Load [kg]	Vertical	4	8	15	5	10	20	7	15	30
	Return to Origin Speed [mm/s]		30 or less
	Positioning Repeatability [mm]	Basic Type	±0.02
	Positioning Repeatability [mm]	High Precision Type	±0.01
	Lost Motion ^{Note 3:} [mm]	Basic Type	0.1 or less
	Lost Motion ^{Note 3:} [mm]	High Precision Type	0.05 or less
	Ball Screw Specifications	Thread Diameter [mm]	ø10 mm			ø12 (diameter 12 mm)			ø15 (diameter 15 mm)
		Lead [mm]	20	12	6	24	16	8	30	20	10
		Shaft Length [mm]	Stroke + 150			Stroke + 185			Stroke + 235
	Maximum Acceleration/Deceleration [mm/s²]		20,000 ^{Note 4:}
	Impact/Vibration Resistance [m/s²] ^{Note 6:}		50/20
	Actuation Type		Ball screw (LEFS□), ball screw + belt (LEFS□R LEFS□L)
	Guide Type		Linear guide
	Operating Temperature Range [°C]		5 to 40
	Operating Humidity Range [%RH]		90 or less (no condensation)
Other Specifications ^{Note 5:}	Drive Weight [kg]		0.2			0.3			0.55
	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 Coefficient		0.05
	Mechanical Efficiency		0.8
Reference Motor Specifications	Motor Type		□40			□60
	Motor type		AC servo motor (100 V / 200 V)
	Rated Output Capacity [W]		100			200			400
	Rated Torque [Nm]		0.32			0.64			1.3
	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

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: NM1/NM2 dimensional drawing

Dimensions Table

(Units: mm)

Stroke	L	A	B	n	D	E	F
50	201.5	56	160	4	-	-	20
100	251.5	106	210	4	-	-	35
150	301.5	156	260	4	-	-	35
200	351.5	206	310	6	2	240	35
250	401.5	256	360	6	2	240	35
300	451.5	306	410	8	3	360	35
350	501.5	356	460	8	3	360	35
400	551.5	406	510	8	3	360	35
450	601.5	406	560	10	4	480	35
500	651.5	506	610	10	4	480	35
550	701.5	556	660	12	5	600	35
600	751.5	606	710	12	5	600	35
650	801.5	656	760	12	5	600	35
700	851.5	706	810	14	6	720	35
750	901.5	756	860	14	6	720	35
800	951.5	806	910	16	7	840	35

Motor Mounting Part Dimensions Table

(Units: mm)

Motor type	FA	FB	FC	FD	FE	FF	FG	FH
NZ/NX	M4 × 0.7	8	46	30	3.5	35.5	-	-
NY	M3 × 0.5	8	45	30	3.5	35.5	-	-
NM1	3.4	-	31	22 ^*	2.5^*	24	6.5	13.5
NM2	3.4	-	31	22 ^*	2.5^*	33.1	6.5	22.6

*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.

: 30; 45; 60

Part Number
LEFS40LNYB-150
LEFS40LNYB-250
LEFS40LNYB-350
LEFS40LNYB-400
LEFS40LNZB-1000
LEFS40LNZB-1100
LEFS40LNZB-150
LEFS40LNZB-200
LEFS40LNZB-250
LEFS40LNZB-300
LEFS40LNZB-400
LEFS40LNZB-450
LEFS40LNZB-500
LEFS40LNZB-550
LEFS40LNZB-600
LEFS40LNZB-650
LEFS40LNZB-700
LEFS40LNZB-750
LEFS40LNZB-900
LEFS40NM1B-1000
LEFS40NM1B-200
LEFS40NM1B-250
LEFS40NM1B-400
LEFS40NM1B-550
LEFS40NM1B-600
LEFS40NM1B-700
LEFS40NM1B-900
LEFS40NM2B-400
LEFS40NM2B-900
LEFS40NUB-1000
LEFS40NVB-1100
LEFS40NVB-350
LEFS40NVB-600
LEFS40NWB-1100
LEFS40NWB-200
LEFS40NWB-500
LEFS40NWB-700
LEFS40NXB-1000
LEFS40NXB-1200
LEFS40NXB-150
LEFS40NXB-200
LEFS40NXB-250
LEFS40NXB-300
LEFS40NXB-350
LEFS40NXB-400
LEFS40NXB-500
LEFS40NXB-550
LEFS40NXB-700
LEFS40NXB-750
LEFS40NXB-800
LEFS40NXB-850
LEFS40NXB-900
LEFS40NXB-950
LEFS40NYB-1000
LEFS40NYB-1100
LEFS40NYB-1200
LEFS40NYB-150
LEFS40NYB-200
LEFS40NYB-250
LEFS40NYB-300

Standard Unit Price	Minimum order quantity	Days to Ship	Stroke (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
-	1 Piece(s)	Quote	150	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Y	Left side parallel
-	1 Piece(s)	Quote	250	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Y	Left side parallel
-	1 Piece(s)	Quote	350	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Y	Left side parallel
-	1 Piece(s)	Quote	400	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Y	Left side parallel
MYR 8,441.15	1 Piece(s)	21 Day(s)	1,000	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	260	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	1,100	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	220	40	Basic Type	Mounting type Z	Left side parallel
MYR 6,613.58	1 Piece(s)	21 Day(s)	150	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	200	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	250	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	300	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	400	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	450	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
MYR 7,299.15	1 Piece(s)	21 Day(s)	500	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	550	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
MYR 7,527.37	1 Piece(s)	21 Day(s)	600	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	650	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	470	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	700	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	470	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	750	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	380	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	900	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	310	40	Basic Type	Mounting type Z	Left side parallel
-	1 Piece(s)	Quote	1,000	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	260	40	Basic Type	Mounting type M1	In-line
-	1 Piece(s)	Quote	200	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type M1	In-line
-	1 Piece(s)	Quote	250	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type M1	In-line
-	1 Piece(s)	Quote	400	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type M1	In-line
-	1 Piece(s)	Quote	550	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type M1	In-line
-	1 Piece(s)	Quote	600	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type M1	In-line
-	1 Piece(s)	Quote	700	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	470	40	Basic Type	Mounting type M1	In-line
-	1 Piece(s)	Quote	900	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	310	40	Basic Type	Mounting type M1	In-line
-	1 Piece(s)	Quote	400	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type M2	In-line
-	1 Piece(s)	Quote	900	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	310	40	Basic Type	Mounting type M2	In-line
MYR 7,784.40	1 Piece(s)	Quote	1,000	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	260	40	Basic Type	Mounting type U	In-line
-	1 Piece(s)	Quote	1,100	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	220	40	Basic Type	Mounting type V	In-line
-	1 Piece(s)	Quote	350	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type V	In-line
-	1 Piece(s)	Quote	600	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type V	In-line
-	1 Piece(s)	Quote	1,100	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	220	40	Basic Type	Mounting type W	In-line
-	1 Piece(s)	Quote	200	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type W	In-line
-	1 Piece(s)	Quote	500	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type W	In-line
-	1 Piece(s)	Quote	700	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	470	40	Basic Type	Mounting type W	In-line
-	1 Piece(s)	Quote	1,000	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	260	40	Basic Type	Mounting type X	In-line
MYR 8,720.12	1 Piece(s)	Quote	1,200	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	190	40	Basic Type	Mounting type X	In-line
MYR 5,689.23	1 Piece(s)	21 Day(s)	150	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type X	In-line
MYR 5,689.23	1 Piece(s)	21 Day(s)	200	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	250	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	300	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	350	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	400	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	500	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	550	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	700	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	470	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	750	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	380	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	800	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	380	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	850	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	310	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	900	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	310	40	Basic Type	Mounting type X	In-line
-	1 Piece(s)	Quote	950	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	260	40	Basic Type	Mounting type X	In-line
MYR 7,516.32	1 Piece(s)	21 Day(s)	1,000	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	260	40	Basic Type	Mounting type Y	In-line
-	1 Piece(s)	Quote	1,100	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	220	40	Basic Type	Mounting type Y	In-line
-	1 Piece(s)	Quote	1,200	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	190	40	Basic Type	Mounting type Y	In-line
MYR 5,689.23	1 Piece(s)	21 Day(s)	150	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Y	In-line
MYR 5,689.23	1 Piece(s)	21 Day(s)	200	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Y	In-line
MYR 5,917.45	1 Piece(s)	21 Day(s)	250	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Y	In-line
MYR 5,917.45	1 Piece(s)	21 Day(s)	300	50.1~100.0	60	20.1~50.0	30	10	74	170	±20	500	40	Basic Type	Mounting type Y	In-line

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

Configure

168 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Stroke(mm)
1,000

1,100

1,200

50

100

150

200

250

300

350

400

450

500

550

600

650

700

750

800

850

900

950
Clear
Max. Transportable Mass Range (Horizontal)(kg)
- 5.1~10.0
- 10.1~20.0
- 20.1~50.0
- 50.1~100.0
Clear
Max. Transportable Mass (Horizontal)(kg)
10

20

30

40

45

50

60
Clear
Max. Transportable Mass (Vertical)(kg)
4

5

7

8

10

15

20

30
Clear
Lead(mm)
6

8

10

12

16

20

24

30
Clear
Table Width W1(mm)
50

60

74
Clear
Table Length L1(mm)
102

122

170
Clear
Positioning Repeatability(µm)
±10

±20
Clear
Maximum Velocity(mm/sec)
1,000

1,140

1,200

1,410

1,500

160

170

190

200

210

220

250

260

270

310

330

340

360

380

400

410

420

440

450

470

500

510

520

540

550

610

620

700

720

750

760

780

800

900

930

940
Clear
Size
- 25
- 32
- 40
Clear
Accuracy
- Basic Type
- High Precision Type
Clear
Motor type
- Mounting type M1
- Mounting type M2
- Mounting type T
- Mounting type U
- Mounting type V
- Mounting type W
- Mounting type X
- Mounting type Y
- Mounting type Z
Clear
Motor mounting position
- In-line
- Left side parallel
- Right side parallel
Clear
type
- LEFS
- LEFSH
Clear
Max. Transportable Mass Range (Vertical)(kg)
- 2.1~5.0
- 5.1~10.0
- 10.1~20.0
- 20.1~50.0
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

21 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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.

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

(i)Caution

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

Specifications: Note 2:

Dimensions / Ball Screw Drive

Dimensions Table

Motor Mounting Part Dimensions Table

Notes

Basic Information

Configure

Specification/Dimensions

Stroke(mm)

Max. Transportable Mass Range (Horizontal)(kg)

Max. Transportable Mass (Horizontal)(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

type

Max. Transportable Mass Range (Vertical)(kg)

CAD

Days to Ship

Specify Alterations

Frequently asked question (FAQ)

Additional Products in this Category

Tech Support

Payment Method

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MISUMI Contact 9am – 6pm (Mon – Fri) * Order cut-off time is 5pm, 9am – 1pm(Sat) * Order cut-off time is 12pm