Shenzhen Jiayuanda Technology Co.,Ltd
Ultrasonic Bag Handle Welding SystemOur ultrasonic bag handle welding system is high efficient for the non woven fabric package bags. The welding horn is customized according the specific bag handle size. Features: 1. Fast welding speed, high welding strength and good sealing; replace traditional welding/bonding process, low cost,...

Our ultrasonic bag handle welding system is high efficient for the non woven fabric package bags. The welding horn is customized according the specific bag handle size.

 

Features:

1. Fast welding speed, high welding strength and good sealing; replace traditional welding/bonding process, low cost, clean and pollution-free and will not damage the workpiece; stable welding process, all welding parameters can be Tracking and monitoring through the software system makes it easy to eliminate and maintain the fault once it is discovered.

2. There are no special requirements for materials, which can save a lot of cost.

3. Automatic chasing ultrasonic generator drive work to ensure that the ultrasonic wave is in optimal working condition under any conditions.

4. It adopts high-frequency high-power transducer and titanium alloy horn to work with high ultrasonic conversion efficiency and strong output amplitude.

5. The tool head is made of aluminum alloy or titanium alloy, and the surface is hardened. The ultrasonic tool head has a long service life.

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Our company advantage:

Manufacturer Qualification: More than 12 years experience in the research&development&sales of ultrasonic. Professional R&D, production, quality control, after sales service and sales teams. Qualified in the new products development and products improvement.

R&D Ability: Over 10 national experienced engineers for electronic, software, mechanical, structure aspects. Successfully finish 15-20 ultrasonic products develop projects. Be able to develop different types of ultrasonic products according to the customers requirements

 

FAQ:

Q:What’s non woven bag welding technology?

A: Non-woven bag making machine ultrasonic bonding technology

Ultrasonic technology has been used in the textile industry since the initial processing of mattresses and bedspreads, and is now widely used in the nonwovens industry. Ultrasonic energy belongs to mechanical vibration energy, frequency exceeds 18000Hz, outside the human hearing range, extended reading: non-woven bag making machine, circular loom, four-column hydraulic press, gravure printing machine, slotting machine, chiller have a wide range The wavelength range is available for selection. When applied to bonding thermoplastic materials such as nonwovens, the frequency commonly used is 20,000 Hz.

Compared with the traditional needle-type wire-stitching machine, the automatic non-woven bag-making machine uses ultrasonic bonding to avoid needle threading, eliminating the need for wire-changing process, and can also clean the non-woven fabric without the traditional wire-bonding broken joint. Partial shear and seal. The working speed is fast, the edge of the seal is not cracked, the edge of the cloth is not damaged, and there is no burr or curling. At the same time, ultrasonic bonding effectively prevents thermal degradation from causing fiber degradation, and the adhesive layer affects the porosity of the material and causes problems such as delamination after receiving the impact of the liquid.

The ultrasonic bonding equipment is mainly composed of an ultrasonic generator and a roller. The main components of the ultrasonic generator are a horn, a power source and a transformer. The horn, also known as the radiation head, concentrates the sound waves onto a single plane; the roller, also known as the anvil, collects the heat released from the horn of the ultrasonic generator. The material to be bonded is placed between the "horn" of the sonotrode and the roller for continuous operation and bonded together at a lower static force. The frequency converter converts the electric power into high-frequency electric energy, converts the electric energy into an ultrasonic vibrator, and finally converts it into vibration energy. The amplification energy is amplified by an amplification system (enhancer) and transmitted to the horn, and the acoustic tool immediately reacts with the material to be bonded. contact. These super-audible frequencies cause mechanical stress between the molecules of the material, release heat, destroy the molecular bonding in the material, cause melting of the material at the bond point, and then bond the two or more layers of material together by mechanical pressure.

 

Influence of plastic parts on ultrasonic welding:

Ultrasonic waves propagate in plastic parts. Plastic parts absorb or attenuate ultrasonic energy more or less, which has a certain influence on the ultrasonic processing effect. Plastics generally have the distinction of amorphous materials, and hard rubber and soft rubber according to hardness. There is also a distinction between the modulus and, in a nutshell, the high-hardness, low-melting plastic ultrasonic processing performance is superior to the low-hardness, high-melting plastic. Therefore, this involves the near-far problem of ultrasonic machining distance.

 

Effect of Plastic Parts Injection Process on Ultrasonic Welding:

Plastic injection parts, such as injection molding, extrusion or blow molding, and different processing conditions will form a certain factor affecting ultrasonic welding. There are two main reasons:

(1) The impact of the injection molding process:

Adjustments to the parameters of the injection molding process can cause the following defects:

1 poor unity

2 surface damage

3 weight change

4 size change (shrinkage, bending deformation)

 

Plastic parts structure has a greater impact on welding results

The design of plastic parts Modern injection molding can effectively provide a perfect plastic part for welding. When we decided to use fusion welding technology to complete the fusion, the structural design of the plastic parts must first consider the following points:

(1) Whether watertight or airtight is required

(2) Is it suitable for welding head processing requirements?

(3) The size of the weld (ie the strength required)

(4) Do you need a perfect look?

(5) Avoid plastic melting or spillage of synthetics


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