1. LEFB Belt Drive AC Servo
Electric Actuator
LEFB Belt Drive AC Servo
Slider type

2. 1. Background of development
- High speed and heavy load
　　- Maximum speed: 2000mm/s, Maximum work load: 25kg
Maximum stroke
Applicable to strokes up to 3000mm (LEFB40)
Maximum acceleration / deceleration: 20,000mm/s
　Max. 20,000mm/s achievable depending on transfer conditions.

3. 2. Features
Easy mounting Mounting without removal of external parts such as the cover is possible.
Appearance　
　　Seal band standardized　
Selectable motor mounting directions
　　Can be mounted on the top or bottom depending on interference with work pieces.
High speed and long stroke transfer with the AC servo motor
LEFB25　Max. transfer weight 5kg, Max. speed 2000mm/s, Stroke 2000mm
LEFB32　Max. transfer weight 15kg, Max. speed 2000mm/s, Stroke 2500mm
LEFB25　Max. transfer weight 25kg, Max. speed 2000mm/s, Stroke 3000mm
Work piece

4. All industries related to transfers
3. Applications
General industrial machinery
All industries related to transfers

5. 4. Specifications and performance
Belt type
Size
LEFB25
LEFB32
LEFB40
Motor type
/ Capacity
AC servo motor
/ 100W
/ 200W
/ 400W
Work load (kg)
Horizontal 5 15 25
Max. speed (mm/s)
2000
Lead equivalent (mm) 54
Belt width 9 20
Positioning repeatability (mm)
+/-0.08
Stroke (mm)
~2000
~2500
~3000

6. Chromium molybdenum steel
5. Construction
No.
Description
Material
Note 1
Body
Aluminum alloy
Anodized 2
Rail guide 3
Belt 4
Belt holder A
Carbon steel
Chromate 5
Belt holder 6
Table 7
Blanking plate 8
Seal band pusher
Synthetic resin 9
End block
Painting 10
End block cover 11
Pulley holder 12
Pulley shaft 13
End pulley 14
Motor pulley
No.
Description
Material
Note 15
Parallel flange
Aluminum alloy
Painting 16
Housing 17
Motor mount 18
Motor cover
Anodized 19
Motor end cover 20
Band pusher 21
Motor 22
Rubber bushing
NBR 23
Dust seal band
Stainless steel 24
Bearing 25 26 27
Tension bolt
Chromium molybdenum steel
Nickel plated

7. Power supply voltage [V]
7. How to Order
Electric Actuator Slider Type
LEFB series (belt drive)
LEFB 40 □ S4 S -
300 □ - □ □ □ □
I/O connector
Size
NIL
Without connector H
With connector
Motor mounting position
Motor option 25 32 40
NIL
Top mounting U
Bottom mounting
NIL
Without lock B
With lock
Controller type
Compatible
controller
Power supply voltage [V]
NIL
Without controller A1
LECSA1
100~120 A2
LECSA2
200~230 B1
LECSB1 B2
LECSB2 C1
LECSC1 C2
LECSC2 S1
LECSS1 S2
LECSS2
Stroke
Motor type
300
300mm
3000
3000mm
Type
Output
Size
Compatible
Controller S2
AC servo motor
(Incremental)
100W 25
A1, A2 S3
200W 32 S4
400W 40 S6
(Absolute)
B1, B2
C1, C2
S1, S2 S7 S8 ~ ~
* Refer to "Applicable stroke" table.
Cable type
NIL
Without cable S
Standard cable R
Robot cable
(High flexibility)
Cable length
Equivalent lead
NIL
Without cable 2 2m 5 5m A
10m
* Common to the motor cable, encoder cable and lock cable. S
54mm
* The motor and encoder cables are included.
(The lock cable is included when the motor with lock option is selected)
Applicable Stroke Table
● Standard / O Produced to order
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2500
3000
LEFB25 ● O -
LEFB32
LEFB40

8. 8. Dimensions Ｗ(mm) Ｈ(mm) Ｌ(mm) LEFB25S 58 48 252.0 + Stroke LEFB32SH L W
Ｗ(mm)
Ｈ(mm)
Ｌ(mm)
LEFB25S 58 48
Stroke
LEFB32S 70 60
Stroke
LEFB40S 90 68
Stroke

9. 9. Handling precautions
Cannot be mounted vertically.
Mount on the surface with a flatness of 0.1mm or less. Otherwise, operation failures and inappropriate attachment of the seal band can occur.
Do not apply a load or speed over the specifications.

10. (Same as the existing series)
10. Summary
This product has been added to expand motor variations of the electric actuator slide type.
This is a slider type electric product with benefits from experiences as a pneumatics manufacturer.
　 (Same as the existing series)
　　(1) Mounting method (can be mounted on the top without removal of the cover)
　　(2) Transfer speed up to 2,000ｍｍ/ｓ
　　(3) Stroke up to 3,000ｍｍ