Worm gear head EWJMK, EWMK
- General-purpose gear heads for servo applications achieving high economic efficiency and short lead-time.
- The Worm Gear Head EWJMK and EWMK are high-strength, right-angle shaft type capable of quiet operation.
- Output shaft : Solid
- Compatible servo motor : 0.2~7kW
- Reduction ratio : 1/10~1/60
Features
-
・Economical
General-purpose gear heads are designed for servo motors, allowing us to quickly deliver economical products.
-
・Low Noise & Low Vibration
Unlike other types of gear transmission, the worm gear considerably reduces vibration and noise due to sliding contact.
-
・High Precision & Compact
Basic foot mount type with well-balanced optimum design delivers compactness and high precision.
-
・Output shaft backlash (These are approximate values. )
Units: arcmin Size EWJMK35 EWJMK42 EWJMK50 EWJMK63 EWJMK70 EWMK80 EWMK100 Angle 40 30 25 35 30 25 ※These values are not guaranteed.
Catalogs ・Instruction Manuals
Model No. examples
EWJMK | 35 | E | 10 | L | - | □□□C |
| Type |
| Size |
| Mounting Position |
| Reduction ratio |
| Shaft Arrangement |
| Mount code |
|
See Table below. | See Table below. | (Clamp type ) |
Mounting Position | E, T | V |
---|---|---|
Shaft Arrangement |
■ Tsubaki model No. navigation
Series
EWJMK・EWMK:This model is primarily for foot mounting. This specifies the EWJMK Series for sizes 70 or smaller, and the EWMK Series for sizes 80 or above.
SWJMK・SWMK:This model is primarily for flange mounting or shaft mounting. This specifies the SWJMK Series for sizes 70 or smaller, and the SWMK Series for sizes 80 or above.
Size
This indicates the size of the gear reducer.
Mounting Position
E or T:E: On this type, it can be mounted in any direction. (Applies to EWJMK and SWJMK Series)
T: On this type, the input shaft is located above the output shaft. (Applies to EWMK and SWMK Series)
B:On this type, the input shaft is located below the output shaft.
V:On this type, the output shaft is vertical.
Refer to the diagram below for details.
Reduction ratio
This indicates the reduction ratio.
Shaft Arrangement
This shows the relation of the input and output shafts to the mounting surface.
Refer to the diagram below for details.
Mount code
Specify the mount code that corresponds to the motor to be mounted.
List of Models
※Click the model No. for detailed information. Expand all Collapse all
Mount code | Reduction ratio | EType |
---|---|---|
Select the mount code by referring |
1/10 | EWJMK35E10L EWJMK35E10R EWJMK35E10LR |
1/15 | EWJMK35E15L EWJMK35E15R EWJMK35E15LR |
|
1/20 | EWJMK35E20L EWJMK35E20R EWJMK35E20LR |
|
1/25 | EWJMK35E25L EWJMK35E25R EWJMK35E25LR |
|
1/30 | EWJMK35E30L EWJMK35E30R EWJMK35E30LR |
|
1/40 | EWJMK35E40L EWJMK35E40R EWJMK35E40LR |
|
1/50 | EWJMK35E50L EWJMK35E50R EWJMK35E50LR |
|
1/60 | EWJMK35E60L EWJMK35E60R EWJMK35E60LR |
Mount code | Reduction ratio | EType |
---|---|---|
Select the mount code by referring |
1/10 | EWJMK42E10L EWJMK42E10R EWJMK42E10LR |
1/15 | EWJMK42E15L EWJMK42E15R EWJMK42E15LR |
|
1/20 | EWJMK42E20L EWJMK42E20R EWJMK42E20LR |
|
1/25 | EWJMK42E25L EWJMK42E25R EWJMK42E25LR |
|
1/30 | EWJMK42E30L EWJMK42E30R EWJMK42E30LR |
|
1/40 | EWJMK42E40L EWJMK42E40R EWJMK42E40LR |
|
1/50 | EWJMK42E50L EWJMK42E50R EWJMK42E50LR |
|
1/60 | EWJMK42E60L EWJMK42E60R EWJMK42E60LR |
Motor Mounting Dimension Drawings
Units :mm
Size | Mount code Table of Compatible Motors by Manufacturers |
Coupling | Motor Mounting Dimensions | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Model No. | Allowable Torque N・m |
MA | MB | MC | MD | ME | ML | MS | MT | ||
EWJMK35 | E4DC | NES70W | 7 | □60 | Φ50G7 | M5Depth 10 (PCD70) |
5 | 80 | 25 | Φ8 | M3 |
E4HC | 30 | Φ14 | |||||||||
EWJMK42 | E4DC | NES70W | 7 | □60 | Φ50G7 | M5Depth 10 (PCD70) |
5 | 80 | 25 | Φ8 | M3 |
E4HC | 30 | Φ14 | |||||||||
EWJMK50 | G2HC | NES250W | 25 | □80 | Φ70G7 | M6Depth 10 (PCD90) |
5 | --- | 30 | Φ14 | M4 |
G5LC | 40 | Φ19 | |||||||||
EWJMK63 | G2HC (SWJMK only ) |
NES250W | 25 | □80 | Φ70G7 | M6Depth 10 (PCD90) |
5 | --- | 30 | Φ14 | M4 |
G5LC | 40 | Φ19 | |||||||||
K2LC | NES800W | 80 | □130 | Φ110G7 | M8Depth 13 (PCD145) |
5 | --- | 40 | Φ19 | M6 | |
K3YC | 55 | Φ24 | |||||||||
L1MC | NES1300W | 130 | □176 | Φ114.3G7 | M12Depth 16 (PCD200) |
8 | --- | 55 | Φ22 | M6 | |
L1PC | 55 | Φ28 | |||||||||
L1RC | 79 | Φ35 | |||||||||
EWJMK70 | G2HC (SWJMK only ) |
NES250W | 25 | □80 | Φ70G7 | M6Depth 10 (PCD90) |
5 | --- | 30 | Φ14 | M4 |
G5LC (SWJMK only ) |
40 | Φ19 | |||||||||
K2LC | NES800W | 80 | □130 | Φ110G7 | M8Depth 13 (PCD145) |
5 | --- | 40 | Φ19 | M6 | |
K3YC | 55 | Φ24 | |||||||||
L1MC | NES1300W | 130 | □176 | Φ114.3G7 | M12Depth 16 (PCD200) |
8 | --- | 55 | Φ22 | M6 | |
L1PC | 55 | Φ28 | |||||||||
L1RC | 79 | Φ35 | |||||||||
EWMK80 | K2LC | NES800W | 80 | □130 | Φ110G7 | M8Depth 13 (PCD145) |
5 | --- | 40 | Φ19 | M6 |
K3YC | 55 | Φ24 | |||||||||
L1MC | NES1300W | 130 | □176 | Φ114.3G7 | M12Depth 16 (PCD200) |
8 | --- | 55 | Φ22 | M6 | |
L1PC | 55 | Φ28 | |||||||||
L1RC | 79 | Φ35 | |||||||||
EWMK100 | L1MC | NES1300W | 130 | □176 | Φ114.3G7 | M12Depth 16 (PCD200) |
8 | --- | 55 | Φ22 | M6 |
L1PC | 55 | Φ28 | |||||||||
L1RC | 79 | Φ35 |