Reversible motor double chamber vacuum
packaging machine;
In
packaging machinery, when the electronic potential difference meter in the measurement system to lose your balance because of the change of the measured signal, and output a deviation signal, the bias voltage signal after the amplifier amplification is the control voltage, it drive motor in a certain direction.
Vacuum packaging machinery motor through mechanical transmission mechanism to drive the slider sliding resistance, instrument pointer and pen movements, the measurement system was reaching a new equilibrium state, realize the continuous automatic indicating and recording at the same time.
double chamber vacuum packaging machine of reversible motor;
Vacuum packaging machine including automatic vacuum packaging machine, stretch film packaging machine and the rolling vacuum packaging machine reversible motor points of two kinds of dc and ac, the electronic potential difference meter used in the servo motor, usually with two phase asynchronous ac motor.
The motor to the positive, the two direction, it depends on the control voltage phase, so also known as the reversible motor.
double chamber vacuum packaging machine of reversible motor;
In the electronic potentiometer, automatic balance by reversible motor.
So it must have some special technical performance.
First is the demand for the control voltage is responsive, embodied in:
(
1)
Reversible motor double chamber vacuum packaging machine;
When there is a control voltage, food packaging machinery motor can immediately start (
The direction of rotation depends on the control voltage phase)
;
When the control voltage disappears, motor and then to a halt;
And when no control voltage, there is no & other;
Rotation & throughout;
Phenomenon exists.
Otherwise it means losing control function.
(
2)
Reversible motor double chamber vacuum packaging machine;
, and high starting torque, low reversible motor starting current (and in all speed range
Even at low speed)
Can steadily run.
double chamber vacuum packaging machine of reversible motor;
Reversible motor regulation characteristics and mechanical properties are mainly to meet the above requirements, and its linear relationship is not necessarily as the main indicator of pursuit.
Then there are requirements as far as possible small volume, light weight
reversible motor double chamber vacuum packaging machines;
The basic structure of
reversible motor double chamber vacuum packaging machines;
Vacuum packaging machine of reversible motor is mainly composed of stator and rotor of two major parts.
Embedded in the metal shell, stator rotor shaft bearing by fixed on two end cover, a uniform air gap between stator and rotor, the interval should be small (as far as possible
About 0.
05 ~ 0.
2 millimeter)
。
Bakelite wiring board mounted on the shell with four or five wire welding.
Instrument with reversible motor is equipped with a dedicated reduction gear box, even directly on the motor shaft end, into an organic whole.
double chamber vacuum packaging machine of reversible motor;
Vacuum packaging machine of reversible motor stator core with silicon steel sheet stack into the system, the core has two phase winding embedded in Wg and Wy, two phase winding in space differ 90 electric horn.
The WB winding and the phase-shift capacitor C series followed by power transformer, called the field winding;
Another winding instrument amplifier output, y is called the control winding.
double chamber vacuum packaging machine of reversible motor;
Vacuum packaging machine of two phase reversible motor rotor cage type and hollow cup type two kinds of forms, and ND - ND type
Type D use the squirrel cage.
Squirrel cage rotor by cylindrical iron core, silicon steel sheet stack into the conductors are embedded within the rotor slot, the conductor connected to both ends with the end ring, to form a closed loop, actually often think of conductor with two end rings cast in aluminum.
Cylindrical iron core by fine grinding to ensure uniform air gap.
the above is the double chamber vacuum packaging machine of reversible motor related knowledge, although the use of reversible motor will not affect the vacuum packaging machine prices, but will be related to the service life of vacuum packaging machine, double chamber vacuum packaging machine of reversible motor related knowledge, you can better use of vacuum packaging machine.
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