Drawing Library Worm Power Drive
series
EWJ/EW: These are types that are basically Foot mount. Sizes 70 and below are the EWJ series, and sizes 80 and above are the EW series.
SWJ/SW: These are types based on flange mounting and on-shaft mounting. Sizes 70 and below are the SWJ series, and sizes 80 and above are the SW series.
EWJM(R)/EWM(R): A type with a motor attached to the EWJ/EW series.
SWJM(R)/SWM(R): A type with a motor attached to the SWJ/SW series.
size
Indicates the size of the reducer.
Mounting Position
E or T: Type where the input shaft is above the output shaft.
For the EWJ, EWJM, SWJ, and SWJM series with a reduction ratio of 1/60 or less, E
In all other cases, it will be T.
B: This type has the input shaft lower than the output shaft.
V: A type in which the output shaft is vertical.
Please refer to the catalog for details.
Reduction ratio
Indicates the reduction ratio.
Models with a reduction ratio of 1/60 or less are single reduction, and those 1/100 or more are double reduction.
Shaft arrangement
Indicates the relationship between the mounting surface and the input/output shaft.
Please refer to the catalog for details.
Motor Capacity
This indicates the motor capacity when a motor is included.
Motor handling
S or no symbol: A standard motor will be installed and shipped.
SB, B: A standard motor with brake will be installed and shipped by our company.
SX: We will install the motor provided by the customer and ship it to you.
Y: This is a type with a motor flange that allows the customer to install the motor themselves.
Option symbol
Z: This motor is compatible with inverter drive.
W: Suitable for outdoor installation.
V: The power supply voltage and frequency are 400/400/440V, 50/60/60Hz.
V1: The power supply voltage and frequency are 380V and 50Hz.
V2: The power supply voltage and frequency are 380V, 60Hz.
V3: The power supply voltage and frequency are 415V, 50Hz.
V4: The power supply voltage and frequency are 460V, 60Hz.
N: CE compliant.
N2: UL standard compliant specifications.
*N3: CCC specification.
H: Comes with an aluminum terminal box.
Q: Manual brake release available
M: Rotation can be controlled manually from the motor fan side.
Auxiliary symbols
・Terminal box position
Move the terminal box to a position where it has been rotated counterclockwise as viewed from the motor side.
P1: 90° offset P2: 180° offset P3: 270° offset
・Terminal box exit direction
Move the outlet to a position rotated clockwise as viewed from the terminal box.
・Motor capacity 0.75kW or less
D1: 90° offset D2: 180° offset D3: 270° offset
・Motor capacity 1.5kW or more
E1: 90° offset E2: 180° offset E3: 270° offset

