Water Cooling System Calculation - Hiwin TM-2 Series Installation Manual

MW99UE01-2104
Torque Motor Installation Manual
is necessary to measure voltages at the motor terminals to ensure they are lower than specified above. If
the measured value is greater, a ���� ����
protection.

3.5 Water cooling system calculation

The features of motor indicated in HIWIN torque motor drawing and specification are suitable for water
cooling condition, and coolant temperature is 20℃. Taking oil as coolant is also acceptable. Just properly
modify the performance of motor based on the features of coolant. The cooling condition indicated in
specification: coil temperature should be less than 120℃(130℃ for □M-2) when motor stator continuously
operates under continuous torque. If equivalent torque of actual operation is lower than continuous torque
indicated in specification, reduce cooling water flow to avoid consuming excess pump. The cooling
condition can be properly adjusted based on the following formulas.
Adjust the boundary conditions of water cooling system according to the motor power loss:
When equivalent torque is lower than continuous torque (��
from the following formulas.
��
= Total loss of motor under equivalent torque [��]
��
∆�� = Temperature difference between motor inlet and outlet [℃]
�� = Coolant flow [ ��/������ ] (under equivalent torque)
��
3-10
⁄
filter must be inserted between the controller and the motor for
Figure 3.2 Voltage oscillation schematic (600/750
< ��
��
��
��
�� =
��
2
��
��
( )
��
��
�� = 69.7 ∙ �� ∙ ∆��
�� ��
��
controller
)
����
), get the corresponding coolant flow
��
HIWIN MIKROSYSTEM Corp.
Configuration