
3. MOTOR TYPES
B–65152E/03
BCATLTLON EOT TFC α
20
3
MOTOR TYPES
Each model has the following types, allowing the user to select the ideal
motor for the machine tool being used.
See the ordering list (B–65151E) for available motors.
Item Type Use Remarks
Mounting types Flange mounting type Connected to spindle via a gear
Directly connected to a spindle
Connected to spindle via a belt
The motor can be positioned ac-
curately.
Foot mounting type Connected to a spindle with a belt
Built–in detector
(The αC series has no detector.)
M sensor Orientation, rigid tapping, etc. For a detailed explanation, refer
to the following descriptions:
MZ sensor Orientation, rigid tapping, and Cs
contouring control
For system configurations and
position coders: B–65162
For spindle BZ sensors:
B–65202EN
Key With a key Connected to a pulley or another
item with a keyway
At speeds higher than 4500
min
–1
, the use of a motor with
With no key Connected to a pulley or another
item with no keyway
no key is recommended.
Cooling air exhaust direction Exhaust from side opposite the
output shaft (Rearward exhaust)
When the machine is positioned
at the output shaft side
Direct the exhaust out and away
from the machine.
Exhaust from the output shaft
side (Forward exhaust)
When the machine is positioned
at the side opposite the output
shaft
Output shaft seal Oil seal Gear connection, direct connec-
tion, and belt connection
Used in flange mounting type
standard–speed models.
Labyrinth Belt driving and direct connection
(Only when no lubricant splashes
onto the flange surface of the mo-
tor)
Used in flange mounting type
high–speed models. (Some
high–speed models have an oil
seal.)
No seal Belt driving
(Only when no lubricant splashes
onto the flange surface of the mo-
tor)
Foot–mounting type models
have no output shaft seal, but
can be changed to a model with
an oil seal or labyrinth. For the
models that can be changed, re-
fer to ”Order List” (B–65151E).
Maximum speed Standard–speed model – Consider the maximum speed of
High–speed model –
each model and select a model
accordingly.