Ultrasonic Plastic Welding EquipmentPrinciple of ultrasonic plastic
weldingWhen the ultrasonic wave acts on the thermoplastic plastic
contact surface, it will produce tens of thousands of
high-frequency vibrations per second. This kind of high-frequency
vibration with a certain amplitude will transmit the ultrasonic
energy to the welding area through the upper weldment. Because the
welding area is two The acoustic resistance is large at the welding
interface, so local high temperature will be generated. In
addition, due to the poor thermal conductivity of the plastic, it
cannot be distributed in time for a while, and it gathers in the
welding area, causing the contact surface of the two plastics to
melt rapidly, and after a certain pressure is applied, it merges
into one. When the ultrasonic stops, let the pressure continue for
a few seconds to make it solidify and shape, thus forming a strong
molecular chain, achieving the purpose of welding, and the welding
strength can be close to the strength of the raw material. The
quality of ultrasonic plastic welding depends on three factors: the
amplitude of the transducer's welding head, the applied pressure
and the welding time. The welding time and welding head pressure
can be adjusted, and the amplitude is determined by the transducer
and the horn. There is an appropriate value for the interaction of
these three quantities. When the energy exceeds the appropriate
value, the melting amount of the plastic is large and the welded
material is easily deformed; if the energy is small, it is not easy
to weld firmly and the applied pressure cannot be too large. The
optimal pressure is the product of the side length of the welded
part and the optimal pressure per 1mm of the edge.Welding
advantagesAdvantages of ultrasonic plastic welding: fast welding
speed, high welding strength and good sealing;Replace the
traditional welding/bonding process, low cost, clean and
pollution-free, and will not damage the workpiece;The welding
process is stable, and all welding parameters can be tracked and
monitored through the software system. Once a fault is found, it is
easy to eliminate and maintain.components for ultrasonic welding
machineUltrasonic weldingThermoplastics are a welding method in
which two plastics are welded together due to the friction and heat
generated by the surface molecules under the action of ultrasonic
vibration.Note for welding of thermoplastics:A. The tongue and
tongue design ensures convenient alignment during the welding
cycle.B. The welding wire is designed to be slender, but there must
be enough meltable material to fuse the welding surface. The
specific design method depends on what kind of workpiece equipment
is used for welding. Welding pressure, vibration amplitude and
other parameters are adjustable to ensure that the welding head can
contact the welding surface and apply pressure. The lower workpiece
is the pressure-receiving part and is placed in the bottom mold
without moving. The welding head produces high-frequency ultrasonic
waves, which makes the upper workpiece heat and vibrate, so that it
can fuse with the lower workpiece. After the welding head stops
vibrating, the pressure is maintained to cool the melting position.
The entire welding time is mostly less than one second.
ModelFU 2025 PPTS-2000DS 300DS 400Frequency15-35 KHZ15-40 KHZ15-20
KHZ15-40
KHZPower1200-3200W800-4200W4200-6000W800-4200WPressure0.1-1.0
MPA0.1-1.0 MPA0.1-1.0 MPA0.1-1.0 MPAVoltage
inputAC220-240VAC220-240VAC220-240VAC220-240VWelding route100
mm75-100 mm100 mm75-100 mmOutput time0.01-9.99 S0.01-9.99
S0.01-9.99 S0.01-9.99 SWorking
modeTime/ground/energy/depth/pressure modeTime / ground / ressure
modeTime / ground / ressure modeTime / ground / ressure modeLifting
methodLinear slide electric lifting systemLinear slide electric
lifting system Size600x600x1250 mm600x600x1250
mm750x800x2000 mm650x570x1100 mmIntelligent
managementAmplitude/Quality/Data/Safety
ManagementAmplitude/Quality/Data/Safety
ManagementAmplitude/Quality/Data/Safety
ManagementAmplitude/Quality/Data/Safety Managementweight85 KG120
KG350 KG100 KGGenerator circuitDigital intelligent auto frequency
tracking / Circuit constant voltageDigital intelligent automatic
frequency trackingDigital intelligent automatic frequency
trackingDigital intelligent automatic frequency trackingControl
systemBONNESONICBONNESONICBONNESONICBONNESONICControl
modeButton/External Control ModeButton/External Control
ModeButton/External Control ModeButton/External Control
ModelanguageChinese/ EnglishChinese/ EnglishChinese/
EnglishChinese/ EnglishSafety managementpassword protectionpassword
protectionpassword protectionpassword protectionOperation
interface10 Inch external touch screen7 Inch external touch
screen4.3Inch external touch screen4.3Inch external touch
screenFeatureUSB data export/welding record/data statisticsUSB data
export/welding record/data statisticswelding record/data
statisticswelding record/data statisticsUltrasonic
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