BYD PMW20 - Maintain Tuque; Check the Torque of the Key Fasteners

PMW20
185
MAINTAIN TUQUE
11
12
12
10
PMW20
184
8.9.2.6 Brake System
2.4.1 Braking Process
●Press the handle down when operating the forklift. The handle limit switch is
disconnected and the main controller identify it as the brake indicator.
●The controller provides the reverse current to the motor. Slow down the drive motor at a
preset speed until it is stopped. In this process, a part of the motor's kinetic energy is
converted into electrical energy and returns to the battery through the controller.
Another part is converted into heat, and then the motor brake is locked.
2.4.2 Regenerative Braking for Zero-speed
●Function form: When starting the regeneration signal, the excitation current will
increase. The armature current is adjusted to the regeneration current limit (the
adjustment of the regeneration current limit is controlled by the acceleration
configuration settings). As the forklift decelerates, the excitation current continues to
increase and the armature begins to pulse on time. The excitation current will increase
until it reaches 100% of the on time.
●When the armature pulsates on time and the excitation current reaches the conduction
time of 100%, the regenerative current will not be maintained any more and the braking
function will be cancelled. When the rotor stops reversing, the vehicle will return to electric
state according to the operator's operation.
●Part of the energy generated by the motor during regeneration is returned to the battery,
and part of it is dumped into the motor in the form of heat. The advantage of this system
is that the drive motor has less heat and the brush life of the drive motor is longer.
KM3
1.37Kw
120
?
电机制动器
货叉限位开关
喇
叭
喇
叭
继
电
器
主接触器
1.2Kw
24VDC
起升电机
手柄
紧
急
反
向
手柄限
位开关
下降电磁阀
仪表
驱动电机
KEY保 险
COMBIACX 主控制器 CT1
U V W
延
时
继
电
器
解除
电机
制动
SM-PMW202020001-EN
SM-PMW202020001-EN
CODE PART NAME QTY OTHER INFORMATION
10 TYPE 1 NON-METALLIC INSERT, HEXAGON LOCK NUT _M12_ 1 55 N-m
11
Hexagon flange bolt _M12×1.5
5 90N.m
12 HEXAGON FLANGE BOLT _M10×25 2
50 ～ 60N.m
9.1 CHECK THE TORQUE OF THE KEY FASTENERS