Wash machine test equipment

Washing Machine Testing Equipment
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Washing Machine Elements Test Equipment
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HMI/SCADA
Washing MC machining, assembly, test, inspect data-logging systemms.
With LabVIEW DSC, we can interactively develop a distributed monitoring and control product assembly
and test systems. It includes tools for logging data to a networked historical database, real-time and
historical trending, managing alarms and events, networking LabVIEW Real-Time targets and OPC
devices into one complete system, and adding security to user interfaces.
Graphical development for HMI and distributed monitoring and control applications
 OPC client and Modbus for data sharing and integrating third-party devices
 Configuration-based real-time and historical trending, alarms, and event handling
 Built-in networked database for distributed data logging
 User-level security for applications
 Unlimited tags to connect to PACs and PLCs

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Ball Bearing Rotating Endurance Test
To simulate failure, quality and reliability of the ball
bearing elements load, speed and forces in axial and
radial direction, friction of bearing to be verified by
using torque transducer, speed transducer and
temperature sensor. An external axial and radial
charge is realized by actuating pneumatic pressure
into device’s house. And the force applied it to be
controlled precision rate by precision regulator.
Lubrication chamber to be used to controls the
bearing temperature. The testing rolling bearings are
lubricated by oil-mist lubrication, realized by a
separated oil-mist device.
An optional vibration sensor on the spindle is used to
determine the bearing failure. Calibration of this sensor need to be made for each type of hub
assembly tested to accurately account for any background noise. A temperature sensor can be
used to detect the bearing failure caused by excessive heat generation. Sound noise, vibration
sound insulation shall be tested with optional instrument and sensors.
TEST ITEM
1) Performance Test
 Friction Check Test
 Bearing stiffness test
Measure the elongation with radial and axial directional load
2) Environmental test
 High temperature lubrication test
3) Life test
 Durability test with applying load
Specifications
 Rotation ring: Inner ring
 Shaft rotation speed: 1000rpm
 Radial load: 0~500N
 Rotating time: 3000h
 Lubrication Chamber: Oil Chiller
Temperature: High/Low Lubrication Test: -40~80℃

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Test Fixture
The test fixture consists of a shaft with a hub mounted on one end and a load absorber on the
other.
Load Application
Pneumatic servo actuators mounted at radial and axle direction under the test bench are used
to provide the required to actuate rotational torque and speed. Rotational Torque Load cells are
installed for the feedback of the bearing forces to the controller. The tester is programmed to
test for a variety of friction load capacities.
Control System
The control system considered for the bearing tester center
around a programmable controller. Monitors the shaft
speed, once the desired speed is achieved the loading
process begins. An optional vibration sensor on the spindle
is used to determine the bearing failure. Calibration of this
sensor need to be made for each type of hub assembly
tested to accurately account for any background noise. A
temperature sensor can be used to detect the bearing
failure caused by excessive heat generation.

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Belt Test
Introduction
This testing equipment will be use to test performance, environment and durability of the belt
elements of the washing machine. To simulate failure, quality and reliability of elements load
speed and forces to the belt in the thermal chamber, it will be evaluated assurance of it. Also
sound noise, vibration, friction of belt by sound insulation shall be tested with optional
instrument and sensors.
Design
The washing mc belt elements test equipment involves the
fixture of shaft and bearing adaptor and slide plate for
mounting test specimens. This equipment shall be used
servo motor to control speed and stepping motor to control
tension load of belt. The environment condition will be
simulated by the thermal chamber.
The tension loads 0 to 500N. The operated speed is
variable 0 to 1,000 rpm, and temperature to be -20 to 80℃.
Test Fixture
The test fixture consists of a shaft with a hub mounted on
one end and a pulley on the other. The fixture is provided with a special bearing hub and
spindle assembly.
Load Application
Electric servo motors mounted under the test bench are used to provide the required to actuate
rotational torque and speed through bearing, shaft and belt. This load is transmitted through an
actuator that is designed to carry tension load.
Load cells are installed in line with the cylinders for the feedback of the bearing forces to the
controller. The tester is programmed to test for a variety of load capacities.
Actuator System
The design requires a background in electric motors including eng and parts selection of gears.
Control System
The control system considered
for the bearing tester center
around a programmable
controller.
An optioanal vibration sensor
on the spindle is used to
determine the bearing failure.
Calibration of this sensor need
to be made for each type of hub
assembly tested to accurately
account for any background
noise. A temperature sensor
can be used to detect the
bearing failure caused by
excessive heat generation.

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Damper Test
Introduction
Damper test equipment is used to test one or
multiple damping force proportional to the speed of
shaft movement. This is a machine that compresses
and extends a damper at known speeds and
measure the forces produced by the damper. The
form of a damp test machine constructed a frame
holding an electric motor with a drive reducing gear
that spins a crank attached to the damper shaft
through a linear bearing. Bolt holes in the crank
allow several different stroke lengths.
On the top, there is placed a load cell, which
measures the damper force and movement is measured using a displacement sensor. This
machine is tested for several spin velocities, from rated to 200rpm. The possible stroke setting
is 0 to 25mm.
After an initial user-defined compression, software calculates hundreds of instantaneous
spring rates during a controlled release of the spring through the test and preload ranges. The
instrument has an RS232 interface, optional memory card reader or USB to store the results on
a computer. The overload protecting function can make the machine safe. It can hold the peak
value.
The load display can be translated among Newton(N), Kilogram(Kg) and Pound(Lb). Force
sensors are available to provide high levels of precision for damper with low force levels.
Supplied with a fixed clamp to keep the plates parallel during the tests. Available as options for
tensile testing, in 4 capacities: , 100N, 200 N, 500 N, 1000 N. Data acquisition was made with a
The force vs. shaft speed graphs you see in this article come from data generated by testing a
damper in what is generally known as a damper dynamometer.

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Shaking Test
Air Cooled Shakers
Air-cooled shakers are the workhorses for many component
testing applications such as automotive assemblies and consumer
electronics equipment. The equipment range includes many shaker
models with axial guidance bearings and 2 inches (50mm
displacement). This has been proven to be a highly reliable, high
performance shaker which is available in several configurations.
Optional features include: automatic armature centering, economy
field supply, vertical isolation mounts, isolated trunnions, air glides,
chamber interfaces, and monobase systems for three axis testing.
1 Shaker
 Max. Sine Force : 600 kgf
 Max. Random Force : 600 kgf rms
 Max. Displacement : 25 mm. p-p
 Max. Acceleration : 100 g
 Max. Velocity : 2.0 m/s
 Max. Payload : 120 kg
 Frequency Range : 1 ~ 4,000 Hz
 Air Cooled
2 Power Amplifier
Amplifier Rating : 3KVA
3 Cookring air blower
Air Flower Rate: 0.1 m/s, Air Pressure: 1 kpa
4 Standard Vertical Pneumatic Load Support
5 Square Type Head Expander
 Material: Mg. Alloy
 Useable Frequency(Hz): 2000Hz
 Effective Mass(nominal): 12kg
6 Steering Wheel Column Mounting JIG
2 Channel VibrationVIEW Controller
7 Seismic Sensor
- Kistler Accelerometer with 5 m cable
8. Vibration Controller
2 Channel VibrationVIEW Controller
Front End DSP Boxes, With Two Analog Inputs, One Analog Output(Drive)
9 Control Computer
- includes 19inch LCD monitor and Color Ink Printer
10 Software
Sine View
Sine Control Module.
Sine Resonance Phase Track & Dwell Control(SRTD).

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Soleniod Water Valve Test
Electromagnetic and pressure character test
Automated solenoid valve testing machine is
designed to test solenoid valve operating,
durability and safety test as your specific test
requirements.
Leaks are detected by pressure decay method
or mass flow sensors. Both external and internal
leaks are detected and quantified. Automatic part
loading, unloading and pass/fail sorting increases
throughput and reduces operator error.
Interchangeable valve adapters permit multiple
valve models to be tested on a single machine.
Controller with graphical color touch screen operator
interface for easy operation and operator training. Test
data logging and test report are available. Safety
features include light curtain guards, dual hand
switches, pressure relief valves and explosion shields.
Emprise provides complete turn-key test stand
solutions including installation, setup and on-site
operator training. One-year warranty with on-site service
is included with each system.
Safety Test
 Insulation: Resistance(DC500V)
Voltage withstand(1500V)
Environment Test
 Vibration(150Hz)
 Humidity(95%)
 Freezing
 Diaphragm doposition
 Flow Character Test: Pressure resistance(Cv)
Comprehensive Test
 Operating Voltage
 Water Inner /Out Leak Test
 Coil Resistance or Impedance Test
 Coil Dielectric Test
 Coil Current Test

Durability Test
 Proof Pressure Test
 High Frequency Cycling
Data Acquisition and Indicator
 Port Flow, Pressure
 Temperature
 Electric Power: Volt, Ampare, Resistance
 Automatic Calibration Capability

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Washing Machine Life TestFacility
Quality temperature/humidity chambers
We design several type of environment test room shall be used in life testing of washing
machine. This equipment operated under conditions of actual use in harsh environments. The
environments temperature, simulated by the thermal chamber to be used in matched conditions.
By simulating in the thermal chamber until failure, the quality and reliability of elements are
assured.
Design
Stainless steel exterior
Energy-efficient refrigeration
Specialized humidity controls
Unique thermal break around door
Casters, cable port, shelf, & optional RS-232
ETL-listed electrical panel conforming to UL 508A
 Out Size: about W3000XD25000XH18000mm
 Inner Size: W2000XD2000XH1800mm
 Temperature control: -5℃ to 50℃
 Humidity

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Spring Test
KS Testing’s Digital Display Tension& Compression Testing
Machine is a new spring testing instrument, which is adapted to
almost kinds of tension & compression spring test. Motorized
spring performance test stand, fixed plate and adjustable plate,
this unit can be used to test one or multiple low capacity tension
and compression springs. The command automatically
determines the origin of the displacements and then stops the
machine at a predetermined flexion value to measure the height
under load.
The form of a spring test machine constructed a frame
holding an electric motor with a drive reducing gear that spins a
crank attached to the damper shaft through a linear bearing.
The servo electric motor is provided to test spring and analysis
software guides the user through test creation and execution.
After an initial user-defined compression, software calculates
hundreds of instantaneous spring rates during a controlled
release of the spring through the test and preload ranges. The
instrument has an RS232 interface, optional memory card
reader or USB to store the results on a computer. The overload
protecting function can make the machine safe. It can hold the
peak value. Digital display function makes the displacement,
load accuracy and prints testing report and spring stiffness.
The load display can be translated among Newton(N),
Kilogram(Kg) and Pound(Lb). Force sensors are available to
provide high levels of precision for springs with low force levels.
Supplied with a fixed plate and a self-aligning plate to keep the
plates parallel during the tests. Available as options for tensile
testing, in 4 capacities: , 100N, 200 N, 500 N, 1000 N.
Detailed Product Description
Max. test load (N) 100N, 200 N, 500 N, 1000 N.
Min. test load of reading (%) 0.01 of FS
Max. distance between tension hooks (mm) 200 ~ 300
Max. distance between compression plate(mm) 150 ~ 250
Diameter of upper and lower plates(mm) Φ 60 ~ 100
Max. Stroke (mm) 70 ~ 150
Testing speed(mm/s) 1~50
Classification of machine Class 1
Displacement accuracy ≤±(50+0.15L)μm
Net weight (kg) 50 ~ 200
Power supply 220V, 50(60)Hz, 1phase

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Shaft Test
SHAFT, BEARING VIBRATION, UNBALANCE TEST RIG
The washing machine work cycle can be divided into
several stages, and according to vibrations it is
depending majority on the rotational speed of the drum
and the unbalanced loads. This test bench unit includes a
vibration-damped workholder plate, a speed-controlled
drive motor with a tachometer, mass discs and bearing
units, a coupling and balancing weights. The speed
range involved during the cycle of normal washing
machines is from 0 to 1200-1800 rpm. And this test
machine is used to confirm the reliability of the fault
diagnosis shaft and bearing elements of the washing mc
rotor system, involving the dynamic characteristics of a
driving disk with a simplified into a single-disk cantilever.
The tachometer reference signal was located in phase
with the vibration sensors. And the unbalance weights
were added to the drive end disk and vibration response
was recorded. As well as the basic test measure of the
vibration (vibration displacement, velocity and
acceleration in the time or frequency, field balancing of
bearing and shaft alignment test can also be carried out
with optional analyzer. A range of shaft bearing diagnosis
and monitoring can be carried out using just the base unit together with the computerized
vibration analyser.

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PressureSensor Test
Test the Water Level Switch
The water level senses (switch) the water level in
the wash tub. As water climbs inside the tube, it
pushes on the air trapped inside and increases the
air pressure. Custom water pressure sensor test
stand should be used for automated testing. It is
designed to test water pressure switch operating,
durability and safety test as your specific test
requirements. Leaks are detected by pressure decay
method or mass flow sensors. Both external and
internal leaks are detected and quantified.
Automatic part loading, unloading and pass/fail
sorting increases throughput and reduces operator
error. Interchangeable valve adapters permit multiple valve models to be tested on a single
machine.
Controller with graphical color touch screen operator interface for easy operation and
operator training. Test data logging, network interface, bar code scanning and part marking
are some of the options available. Safety features include light curtain guards, dual hand
switches, pressure relief valves and explosion shields. Emprise provides complete turn-key
test stand solutions including installation, setup and on-site operator training. One-year
warranty with on-site service is included with each system.
Safety Test
 Insulation resistance: 100Mohm, DC500V
Comprehensive Test
 Water level
 Inner/Out Leak Test
Fatigue Test

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Drain Pump TestStands
Some washers have an electric one and some washers have a pump that is connected to one
side of the motor. When you put the washer in spin cycle you should have 120 or 220volts AC
to the pump. If you are getting voltage to the pump
Custom water pump test stand should be
used for automated testing. It is designed to
test water pump operating, durability and
safety test as your specific test requirements.
Leaks are detected by pressure decay method
or mass flow sensors. Both external and
internal leaks are detected and quantified.
Automatic part loading, unloading and pass/fail
sorting increases throughput and reduces
operator error. Interchangeable valve adapters
permit multiple valve models to be tested on a
single machine.
Controller with graphical color touch screen
operator interface for easy operation and
operator training. Test data logging, network
interface, bar code scanning and part marking
are some of the options available. Safety
features include light curtain guards, dual hand
switches, pressure relief valves and explosion
shields. Emprise provides complete turn-key
test stand solutions including installation, setup
and on-site operator training. One-year warranty
with on-site service is included with each system.
Safety Test
 Insulation resistance : 100Mohm, DC500V
 Voltage withstand : 1500v/1sec
Comprehensive Test
 Flowrate
 Consumtion of Power
 Water level
 Starting Voltage Test
 Electric Power: Volt, Ampare, Resistance
 Automatic Calibration Capability
Fatigue Test

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Lock & Door Test
This washing machine door test machine can be used to determine whether or not the door
could function for a certain time period, or how long it will last before it fails. It works by using
the electric servo actuator or hydraulic/pneumatic actuator to open and close the door within a
given amount of time and force. The force that it uses to open and close the door is controlled
by the load cell. This information is then recorded and analyzed for further assessment.
Typical Testing Sequence
1. Open and close door with servo
actuate as setting speeds.
2. Measure force needed to
actuate the lock and door.
3. Report on all acquired data
4. Generate force vs. position
graphs
Lock Endurance Test Machine
This machine has been designed for Endurance testing of washing machine lock. The machine
can be programmed by the user for testing any configuration of lock. The test sequence,
number of steps, dwell time between steps, etc can be programmed by the user. Suitable fixture
can be designed to accommodate physical variations. Measure minimum force needed to
activate the switch
Safety Test
 Insulation resistance : 100Mohm, DC500V
 Voltage withstand : 1500v/1sec
Comprehensive Test
 Contact resistance of micro S/w
Electrical durability test:
The electrical durability testing of electrical contacts;
 Electrical contacts rated at twice the rated voltage and current conditions connected
to a resistor circuit;
 Electrical durability testing, the electrical contacts should not affect the safety of the
electric corrosion and traces.

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Quality temperature/humidity chambers
The system instrumentation include.
1. feedback control of speed, torque, tension and temperature,
2. monitoring power, torque, rpm, tension, generated heat
3. (option)vibration, sound analyzer.
Stainless steel exterior
Energy-efficient refrigeration
Specialized humidity controls
Unique thermal break around door
Casters, cable port, shelf, & optional RS-232
ETL-listed electrical panel conforming to UL 508A
 Out Size: about W1000XD1000XH15000mm
 Inner Size: 500X500X500mm
 Temperature control: -40℃ to 200℃
 Humidity 40~100%
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KSTM’s UTM and fatigue testers are efficient, robust and are made in
the KOREA.
Our testing equipment are known for their superior performance,
accuracy and reliability. We has found various uses in different
industrial applications, including University, Laboratory, Quality
inspection, Automotive parts, Steel manufacture, Chemistries,
industries.
Our range includes test
 Universal Testing Machines
 Metal Testing, Plastic Testing
 Fatigue Tester
 Rotational Torque Test
 Automotive Parts Testing Equipments
 Bearing, Gear, Pump Test
 Motor Dynamometer
 Vibration, Seismic Tester and Simulator
Also we provides grips, fixtures and accessories including fluid
baths, heating and cooling systems to meet a diverse set of
testing requirements.
We have always achieved a good growth rate and success, which is a
result of our dedication, pursuance and efficient servic e to trade and
industry. Our strict adherence to supply and understanding of
customer requirements has made it possible for us to achieve a
position of repute in the industry. We are a customer-oriented
company and work in close coordination with our clients to provide
efficient solutions to their testing needs for steel, automotive
industries. We are capable to manufacture products as per the
requirements of our clients and our flexible production capacity,
enable us in meeting the bulk and immediate requirements of our
clients in time.
Established in 1900, KSTM's innovative and comprehensive
mechanical testing systems are backed by a responsive team who
will provide friendly support from day one. KSTM is manufacturer &
distributor of fatigue test and universal testing systems for tension,
compression, flexure, torsion & biaxial testing.
about KSTM

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We supply Various Performance, Fatigue Test Machine,
Automotive, Bike, Vehicle Parts Test facilities
Bearing, Gear, Joint, Coupling, Transmission, Motor, Generator, Pump, Valve,
Brake, Shaker and Assembly Line
Contact Us
KS TESTING MACHINE, Co,. LTD
Contact Person :
Mr. Kim. Sangone
Addess : Dongwhri 139-1
Bongdangup, Whasungsi
Kyungkido
South Korea )
We’re on the Web!
See us at:
http://blog.daum.net/kstestmc
C.P 82 10 2247 0089
Telephone : +(82) 31 307 6766
Fax : +(82) 31 224 6766
E-mail : kstestmc@gmail.com

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