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- Electric Actuators
- AC Servo Sliders
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- LEFS, Electric Actuator, Slider Type, Ball Screw Drive, Motorless
LEFS, Electric Actuator, Slider Type, Ball Screw Drive, Motorless
The LEFS is available in a motorless type, permitting the mounting of an AC servo motor other than the standard chosen by SMC. Shaft coupling and mounting patterns are compatible with 8 servo motor series from 5 manufacturers. Manufacturers include Mitsubishi, Yaskawa, Sanyo Kenki, Omron, and Panasonic.
- Body Size: 25, 32, 40
- Maximum work load: 60 kg
- Maximum speed: 1200mm/s (H lead)
- Maximum acceleration: 20,000 mm/s2
- Stroke range: 100 to 1000 mm in 50 mm increments
- Positioning repeatability:±0.02 mm
How to order
How to Order
: Standard
Compatible Motors
Applicable Stroke Table
Applicable motor model Size/Motor type
Manufacturer Series Type
25 32/40
NZ
Mounting
type Z
NY
Mounting
type Y
NX
Mounting
type X
NM1
Mounting
type M1
NM2
Mounting
type M2
NZ
Mounting
type Z
NY
Mounting
type Y
NX
Mounting
type X
NW
Mounting
type W
NV
Mounting
type V
NU
Mounting
type U
NT
Mounting
type T
NM1
Mounting
type M1
NM2
Mounting
type M2
Mitsubishi Electric
Corporation
MELSERVO-JN
HF-KN
— — — —
— — — — — — — —
MELSERVO-J3
HF-KP
— — — —
— — — — — — — —
MELSERVO-J4
HG-KR
— — — —
— — — — — — — —
YASKAWA Electric Corporation
Σ-V
SGMJV
— — — —
— — — — — — — —
SANYO DENKI CO., LTD. SANMOTION R
R2
— — — —
— — — — — — — —
OMRON Corporation Sysmac G5 R88M-K
— — — — —
— — — — — — —
Panasonic
Corporation
MINAS-A4 MSMD —
— — — —
— — — — — — —
MINAS-A5
MSMD/MHMD
—
— — — —
— — — — — — —
FANUC
CORPORATION
βis β
— — — —
(β1 only)
— —
— — — — —
NIDEC SANKYO CORPORATION
S-FLAG
MA/MH/MM
— — — —
— — — — — — — —
KEYENCE CORPORATION
SV SV-M/SV-B
— — — —
— — — — — — — —
FUJI ELECTRIC CO.,
LTD.
ALPHA5 GYS/GYB
— — — —
— — — — — — — —
FALDIC-α GYS
— — — —
— — — — — — — —
ORIENTAL MOTOR
Co., Ltd.
AR/AZ
AR/AZ (46 only)
— — — —
— — — — — — — — —
AR/AZ AR/AZ — — — — — — — — — — — — —
*2
FASTECH Co., Ltd. Ezi-SERVO EzM — — —
— — — — — — — —
*2
—
Rockwell Automation, Inc.
(Allen-Bradley)
MP-/VP- MP/VP — — — — — — —
*1
— — — — — —
TL TLY-A
— — — — — — — — — —
— —
Beckhoff Automation
GmbH
AM AM30
— — — — — — — —
*1
— — — —
AM AM31
— — — — — — — — —
*2
— — —
AM
AM80/AM81
— — — — — —
*1
— — — — — —
Siemens AG 1FK7 1FK7 — —
— — — —
*1
— — — — — —
Delta Electronics, Inc.
ASDA-A2 ECMA
— — — —
— — — — — — — —
Stroke
[mm]
Model
50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1100 1200
LEFS25
— — — — — —
LEFS32
— —
LEFS40
— —
Motorless Type
Electric Actuator/Slider Type
Ball Screw Drive
LEFS Series
LEFS25, 32, 40
LEFS
100
A
25
w r t
H R
q e y
NZ
* Please consult with SMC for non-standard strokes as they are produced as special orders.
*1 Motor mounting position: In-line only
*2 Only size 32 is available when the motor mounting position is right (or left) side parallel.
t Lead [mm]
Symbol
LEFS25 LEFS32 LEFS40
H
20 24 30
A
12 16 20
B
6 8 10
q Accuracy
Nil
Basic type
H
High precision type
y Stroke [mm]
* Refer to the applicable
stroke table.
50
50
to
to
1200
1200
r Motor type
Symbol Type
NZ
Mounting type Z
NY
Mounting type Y
NX
Mounting type X
NW
Mounting type W
NV
Mounting type V
NU
Mounting type U
NT
Mounting type T
NM1
Mounting type M1
NM2
Mounting type M2
e
Motor mounting position
Nil
In-line
R
Right side parallel
L
Left side parallel
w Size
25
32
40
792
A
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