IEC 60335-2-25: 2014 Microwave Oven Door Endurance Test Equipment
The microwave oven door endurance tester is designed and
manufactured according to IEC60335-2-25. It is a dedicated tester
which is used to inspect the wear resistance of the microwave door
system, including the structure of the hinge, microwave seals and
other related components that during the process of using.
The device uses advanced PLC control system and humanized touch
screen operator interface, It is widely applicable to test vertical
and horizontal door opening microwave oven. The test equipment is
easy to operate, durable and practical.
It is equipped with full stainless steel manipulator, vacuum sucker
structure and standard configuration TFT true color liquid crystal
touch screen. The rotation angle and the speed of door
opening/closing are adjustable. Thereby it can truly simulate the
person’s hand to open and close the microwave oven door and other
similar equipment. Thus achieve the intelligentized control method.
Power outlet has the function of detection which can judge whether
the specimen is working with conducting. When doing the load test,
if the specimen is not conducting during testing, the equipment
will automatically stop working. At that time, the counter will
record the test times and the alarm sounds. This function can be
opened or closed according to the actual need.
|Test station||Single (vertical and horizontal opening are switchable)|
|Operation mode||PLC 7-inch touch screen humanized operation interface operation|
|Testing maximum angle|
(Microwave oven door opening angle) 0°- 180°
(Adjustable input values)
|Speed||Adjustable, 6 times/min under power on, 12 times/min under power
|Counting method||Digital counter, count once after door closing, automatically shut
down after a preset number of times.|
|Automatic detection function||Alarm after the numbers of completions; if the internal components
of the sample are damaged in the testing process, the testing
equipment automatically shut down and record the final number of
trials and activate the alarm device.|
Stainless steel closure plate
|Dimensions||960mm * 960mm * 650mm, weight: 140kg|
|Conform to Standard||IEC60335-2-25|
Sample installation and test:
A. Move the three fixtures’ position according to the sample size,
and then place the sample on the work platform.
B. Press the “Homing” in the “Control Interface” screen, make the
mechanical arm to return to the origin, adjust the front and back
distance of sample’s door to make it fit with the sucker, the
sucker does not need to adsorb the sample’s door at this moment
(upper or lower height is adjusted by the mechanical arm).
C. In the【Parameters Setting Interface】Press【Manually Open Door】
button, to make it stops when the manipulator arm running to the
maximum angle, then open the sample’s door to the testing required
angle (confirmed with a protractor or other angle measuring tool),
then press the【Manually Close Door】button, press the “Stop” button
when the sucker just fit the test door, input the displaying
current value to【Door Auto Displacement】set value box, that is the
required door opening angle under the testing state, use this
method to confirm the【Door Auto Displacement】set value.
D. By default, the test microwave does not have a door switch.
Under the status that the mechanical arm and sucker are not
adsorbed with the sample’s door, press “Start” to make it running
freely, observe whether the mechanical arm opening angle is the
same with the sample’s door opening angle, if not, appropriate,
please modify the angle value to make the sucker completely fit
with sample’s door.
Note: The sample door’s open angle can also be set by angle
compensation, for example, when the microwave oven door is opened
to 90 °, the current value displays 75° (after the sucker
completely fit with sample’s door), then the angle compensation
setting is: 90°-75°=15°, the 15°is input in 【Angle
Compensation】value box. Conversely enter a negative value.
E. Mechanical arm backs to origin, sucker adsorbs with sample’s
door, and sample is fixed with the three fixtures.
F. If the test sample has a door switch, adjust the position of the
door opening device, the door opening device is aligned with sample
door button, fixing auxiliary mechanism. Press【Manipulator
Forward】, to make the door opening device forward move, then
press【Homing】button, to make the door opening device return to the
origin position, and then press 【Manipulator Forward】, to make the
door opening device forward move and stop when the door is opened,
observed the value display in the【Manipulator Displacement】,input
this value into the value box of the 【Forward Displacement】, the
forward displacement is completed. Then press the 【Manipulator
Backward】button to make the door opening device backward to the
door reset switch and then backward some distance, observed the
value display in the【Manipulator Displacement】,【Forward
Displacement】setting value - display value after the
backward=【Backward Displacement】value. Input this value into the
value box of the【Backward Displacement】,the backward displacement
With switch and without switch selection: The system default is
without switch, if need to choose with switch, the door and the
door switch must return to the homing position after (homing light
illuminate), press【Pause】, 【Count Cleared】button, and then press
【Manipulator On/ Off】button, and choose to be successful, the
corresponding status indicator light illuminate. Please pay
attention to this.