plastic welding
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Author(s):  
Dr. Ziad Shakeeb Al Sarraf ◽  
◽  
Dr. Ahmed Fattah Ahmed ◽  
Mr. Khalid Alias Hammo ◽  
◽  
...  

Today ultrasonic power technique is consider a mandatory technique which is always entered in many processes such as in metal and plastic welding to overcomes many issues, with aided of applying force (pressure) and supplied high frequency vibration, a solid-state weld can be generated by ultrasonic metal welding technique. That give a technique the ability to join not only a small components, whereas also to join thicker specimens, depend on a proper control of matching welding conditions. Therefore a welding performance can be study and compared after designed welding horn to resonance at frequencies of 20 kHz and 40 kHz. The analyses of the designed horn are completed through use a vibration mathematical expressions, modal and harmonic analyses to ensure the weldability due to applying ultrasonic power to the working area and also to compare the performance of joint at using two resonance frequencies of 20 kHz and 40 kHz. The dimensions of the horns were determined to match the selected resonance frequencies, which the lengths were calculated as 132 mm and 66 mm respectively. The analysis of the exciting modal indicates that the axial vibration modes of 19,584Hz and 39,794Hz are obtained in 10th mode, while the two frequency values are recorded 19,600 Hz and 39,800 Hz from the frequency response of the two horns. The weld strength between Al and Cu specimens with a thickness 0.5 mm were evaluated using tensile test, which the analyses were obtained under using different welding pressure and varied amplitudes. The results were recorded within exciting a horn with two different resonance frequencies, show the enhancement of weld strength and quality through control of stepping amplitude, the enhancement means obtain good strength of the weld, reduce sticking horn to specimen, and lower specimen marking.


Author(s):  
Ziad Shakeeb Al Sarraf ◽  
Ahmed Fattah Ahmed ◽  
Mr. Khalid Alias Hammo

Today ultrasonic power technique is consider a mandatory technique which is always entered in many processes such as in metal and plastic welding to overcomes many issues, with aided of applying force (pressure) and supplied high frequency vibration, a solid-state weld can be generated by ultrasonic metal welding technique. That give a technique the ability to join not only a small components, whereas also to join thicker specimens, depend on a proper control of matching welding conditions. Therefore a welding performance can be study and compared after designed welding horn to resonance at frequencies of 20 kHz and 40 kHz. The analyses of the designed horn are completed through use a vibration mathematical expressions, modal and harmonic analyses to ensure the weldability due to applying ultrasonic power to the working area and also to compare the performance of joint at using two resonance frequencies of 20 kHz and 40 kHz. The dimensions of the horns were determined to match the selected resonance frequencies, which the lengths were calculated as 132 mm and 66 mm respectively. The analysis of the exciting modal indicates that the axial vibration modes of 19,584Hz and 39,794Hz are obtained in 10th mode, while the two frequency values are recorded 19,600 Hz and 39,800 Hz from the frequency response of the two horns. The weld strength between Al and Cu specimens with a thickness 0.5 mm were evaluated using tensile test, which the analyses were obtained under using different welding pressure and varied amplitudes. The results were recorded within exciting a horn with two different resonance frequencies, show the enhancement of weld strength and quality through control of stepping amplitude, the enhancement means obtain good strength of the weld, reduce sticking horn to specimen, and lower specimen marking


2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Ziad Shakeeb Al Sarraf

Today ultrasonic power technique is consider a mandatory technique which is always entered in many processes such as in metal and plastic welding to overcomes many issues, with aided of applying force (pressure) and supplied high frequency vibration, a solid-state weld can be generated by ultrasonic metal welding technique. That give a technique the ability to join not only a small components, whereas also to join thicker specimens, depend on a proper control of matching welding conditions. Therefore a welding performance can be study and compared after designed welding horn to resonance at frequencies of 20 kHz and 40 kHz. The analyses of the designed horn are completed through use a vibration mathematical expressions, modal and harmonic analyses to ensure the weldability due to applying ultrasonic power to the working area and also to compare the performance of joint at using two resonance frequencies of 20 kHz and 40 kHz. The dimensions of the horns were determined to match the selected resonance frequencies, which the lengths were calculated as 132 mm and 66 mm respectively. The analysis of the exciting modal indicates that the axial vibration modes of 19,584Hz and 39,794Hz are obtained in 10th mode, while the two frequency values are recorded 19,600 Hz and 39,800 Hz from the frequency response of the two horns. The weld strength between Al and Cu specimens with a thickness 0.5 mm were evaluated using tensile test, which the analyses were obtained under using different welding pressure and varied amplitudes. The results were recorded within exciting a horn with two different resonance frequencies, show the enhancement of weld strength and quality through control of stepping amplitude, the enhancement means obtain good strength of the weld, reduce sticking horn to specimen, and lower specimen marking.


2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Adi Prastyo Utomo ◽  
Prantasi Harmi Tjahjanti

There is not much plastic welding currently done and not much research has been done on plastic welding. The purpose of this study was to study the use of welding variations used to join the thermoset polymer material. The thermoset polymer materials used are acrylic, melamine and bakelit with the test sample measuring 80mm in length, 30mm in width and 3mm in thickness. Variations in welding are used using hot gas welding, electric soldering and gas torches. The test method is carried out after welding to determine the porosity of the weld using a penetrant liquid. Hardness testing was also carried out. The best welding results are shown on acrylic material using electric solder, showing that the amount of porosity is the least, and has the highest hardness test.


2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Ayeik Abimanyu ◽  
Prantasi Harmi Tjahjanti

Plastic welding technique is a technique of gluing to workpieces, especially plastic materials. The aim of this research was to join the thermoplastic polymer material using an acetylene oxy welding. The connection method is by melting the electrodes on the workpiece so that the electrodes can fuse to the parent material. The materials used are Polyethylene (PE), Polyvinyl chloride (PVC) and Polypropylene (PP) plastic sheets with the appropriate electrodes from their respective parents. After going through the welding process, the weld results are tested using a dye penetrant. The best results from the dye penetrant are then tested for hardness


Author(s):  
Özgür Özdilli

Plastic welding method is a widely used technology for the welding of pressure and vacuum bags using plastic valves. Conducting this process with traditional methods creates disadvantages in terms of production speed, product quality and economical aspects. Today, assembly costs make up the majority of total production costs, manufacturers pay more attention to assembly automation and work in this direction in order to reduce costs, speed up the production process and increase efficiency. In this study, it is aimed to design and manufacture a single Automatic Valve Welding Machine that can do all of these operations and integrated automation system instead of cutting, punching and plastic welding process that can be performed with multiple machines and workers. In this context, a new automated machine was designed in 3 D, and engineering analyzes were carried out to manufacture a prototype. In design, the machine has been made suitable for developing technology by using PLC (Programming Logic Controller) and pneumatic system. In addition, static analyzes of the machine were made. With the inclusion of a production-specific automatic controlled plastic welding machine, manufacturing can be done faster, with higher quality, lower costs and less wastage compared to the traditional manufacturing process.


2021 ◽  
Author(s):  
V R Kaveri ◽  
A B Gaikwad ◽  
A A Utpat

A wide style of ultrasonic corrugated plastic box welding machine options are available to you. Ultrasonic Polypropene corrugated box welders as a special purpose machine for variable sizes of Polypropene boxes that is a no bench type-welding machine to weld pp boxes is made with innovative technology at its perfection. “SANITEK PLASTOWELD SOLUTION” are a reliable manufacturer, trader, importer and exporter of the industry and established within the year 2010. They are the favoured name within the market place for providing very best quality assortment of plastic welding machine box, ultrasonic handgun, ultrasonic tube sealing machines and plenty of more products are designed and made by them. Ultrasonic welding provides good welding aesthetics. Manufacturing of ultrasonic Polypropene box welding machine is obtainable by “SANITEK PLASTOWELD SOLUTION”. No scratch guarantee for packed items. Polypropene corrugated boxes are nowadays used more as compare to the normal corrugated boxes, which were stapled and now corrugated box are joint by using ultrasonic welding. There is less rejection of packing items. A large form of ultrasonic Polypropene corrugated box welding machine options are available to you. No corrosion of joints means healthy packaging. This machine can weld one or more welding spot together which make it production friendly. With vision to sale its products in larger base company has laid emphasis on research. These are specifically designed to confirm easy handling reliable welding results, reproducibility while advancing, and optimizing the machine.


Talanta ◽  
2020 ◽  
Vol 219 ◽  
pp. 121246 ◽  
Author(s):  
Loana Gomes Aguilar ◽  
Jacqueline Marques Petroni ◽  
Valdir Souza Ferreira ◽  
Bruno Gabriel Lucca
Keyword(s):  

Crystals ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 21 ◽  
Author(s):  
Jiyan Lin ◽  
Shuyu Lin

The uniformity of amplitude distribution and amplitude gain are two main factors affecting the performance of ultrasonic welding vibration system. In order to improve the uniformity of amplitude distribution and amplitude gain of welding surface to enhance the performance of the vibration system, a new design method of a large-scale three-dimensional ultrasonic plastic welding vibration system based on a quasi-periodic phononic crystal structure is proposed. In this method, the composite horn combined with a conical section and a cylindrical section can effectively improve the output amplitude gain of the welding surface. In addition, the method forms a quasi-periodic phononic crystal structure by slotting in a large-scale three-dimensional tool head, and utilizes the band gap property of the structure to effectively suppress lateral vibration of the tool head and improve the amplitude distribution uniformity of the tool head’s welding surface. However, when the size of the tool head is relatively large, the quasi-periodic phononic crystal structure cannot suppress the lateral vibration very well. Therefore, the paper processes fan-shaped slopes on the output surface of the tool head which can further improve the uniformity of the amplitude distribution and amplitude gain. Finally, the simulation analysis and experiments show that the design method can optimize the large-scale three-dimensional ultrasonic plastic welding system, improve the uniformity of the vibration distribution and increase the output amplitude gain of the welding surface.


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