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ultrasonic welding plastic materials

The following factors have a negative impact on weldability: The following additives have a positive influence on weld work: These reinforcement materials predominantly improve the sound conductivity in semi-crystalline plastics. Welding of plastics using ultrasonics. News from the company, press releases, images, and logos - compiled for you. Ultrasonic energy has been used to join thermoplastics for over 70 years. Ultrasonic welding is particularly suitable for their production and complies with product requirements, such as: Nowadays, the requirements of battery products have become increasingly diverse and complex: In addition to precision, strength, and minimum particle formation, process validation and traceability are equally important quality criteria. Ultrasonic welding of plastic materials creates a molecular bond within the weld seam. There are thermoplastic materials, elastomers, and thermoset resins: Thermoplastic materials are plastics that are processed by heat and are well suited for ultrasonic welding. Ultrasonic welding of plastics is used widely in making electronics, medical devices and car parts. Materials are joined by means of locally limited heat generation: Ultrasonic welding ensures maintained functionality of the components and provides continuous process monitoring unrivaled by other processes. State-of-the-art ultrasonic welding machines and most recent measuring and testing equipment in our laboratories worldwide. We provide comprehensive solutions for your welding and joining tasks - made in Germany. Plastic assemblies specifically designed for ultrasonic welding incorporate geometries at the interface between the two-or-more components that help initiate plastic melt in the weld joint area. Find the latest press releases, videos and trade show updates, as well as up-to-date images and interesting graphics. Metals are joined through molecular bonding caused by the vibration. In the event that a material is adapted or changed, it’s good to reevaluate the process with the help of your ultrasonic supplier, since weld parameter changes or even equipment changes may be required. But it is always the people who are most important. for applications that require high amplitude and a … Only together can we move forward and set new milestones. Some people understand that any material can be welded. Ultrasonic welding uses high-frequency vibration to melt and weld plastic. Longitudinal vibrations in frequencies of 20 kHz, 30 kHz, and 35 kHz with tool amplitudes between 5 µm and 50 µm are introduced into the plastic materials under the action of force. The absolutely clean ultrasonic technology for nonwovens makes this possible. We supply you with a full-service package, including short response times. Moreover, all brochures, technical infos, and contact forms are provided for download. In ultrasonic welding, there are no connective bolts, nails, soldering materials, or adhesives necessary to bind the … injection mold) tight-tolerance parts consistently. Ultrasonic Welding is the fastest and most cost effective method used today to join and assemble plastic parts and non-ferrous metals. More basic knowledge on ultrasonic sealing of packaging and examples for applications. We explain, the physical mechanism of the ultrasonic technology, which components are required, and which variables are most influential. We are looking forward to your application. Ultrasonic welding is the method of joining two parts by converting the electrical energy into the heat energy, It is suitable for the plastics and the metals, It can use high-frequency ultrasonic acoustic vibrations to the materials that are being held together under … Ultrasonic welding is used in almost all major industries like automotive, electronic and appliances, medical, packaging etc. Benefit from our local machine and service portfolios. Ultrasonic welding has applications in many fields including the thermoplastics industry. The map shows you how to reach us quickly. To give you help with ultrasonic welding of plastics for your application, this ultrasonic welding guide lists the most common unfilled grades of plastic available & their suitability for each style of ultrasonic welding  As a rule, stiffer materials are easier to weld & those with higher melt temperatures need more energy. Titanium horns can be coated with materials like Carbide, Nickel, or Teflon. Ultrasonic plastic welding is the joining or reforming of thermoplastics through the use of heat generated from high-frequency mechanical motion. (joint area) so the plastic material will melt and form a molecular bond between the parts. Misunderstanding of workpiece material: Ultrasonic plastic welding machine also has requirements for the material of the workpiece to be welded. Once the vibration is stopped, the tool maintains a holding pressure on the joint to create a bond. Herrmann Ultrasonics, E-module: promotes sound conduction and determines coupling, Melting point: determines the heat requirement, Viscosity of the melt: high viscous melts can be kept within the joining area more easily, the process sequence is more uniform, Ultrasonic components for special-type welding machines, Robust and reliable in continuous operation. Welding of plastics using ultrasonics. Yan: Before you start explaining the relation of Lingke and the printing consumables, please explain what ultrasonic plastic welding is?. To weld different materials, they need similar molecular structures - crystalline ones are only weldable to themselves. +1 (630) [email protected], Secure your spot now! Let's talk business! Ultrasound is a mechanical vibration similar to that produced by musical instruments. Not all materials can be welded. Thanks to intelligent software and variant diversity, the ultrasonic welding machines can be specifically configured to your demands: Complete system with functional units for mechanical engineering, modular and easy to commission. Ultrasonic Welding Basics. What were the determining factors for ultrasonics? 01661446  VAT GB 348675511 Privacy Policy. Ultrasonic welding works extremely well with a range of thermoplastics, but some are incompatible with each other or with the process, so choose with care. Feedback from users. Customer benefits are always our paramount goal. However, the overall process is generally the same. Elastomers are plastics that are processed by means of cross-linking; they do not react to ultrasonics. Benefit from our experience and get the best consulting; from basic applications, to process optimization and complex integration concepts. How it started: from small business to medium-sized company in the high-tech sector. PC, PMMA, and ABS can be welded to one another under certain conditions. For more help with plastics, view our ultrasonic welding diagrams or material selection guides, Units 1 & 5 Argyle Comm.Centre, Argyle St, Swindon, Wilts, SN2 8AR. Unmatched Support. For example, without a means of alignment built into the joint it is impossible to predict where the parts will be positioned after welding. As a general rule: only identical thermoplastic materials can be welded homogeneously. The company is ISO 9001 certified and is consistently in the vanguard of industry innovators. Sonics manufactures a comprehensive range of plastics welding equipment, tooling and components, from hand-held units to bench model presses to ultrasonic kits for OEM installation. Titanium is the preferred choice of material for making ultrasonic horns because of its good fatigue strength, excellent acoustic properties, and good surface hardness. The friction between the molecules heats and melts the plastic. It is most commonly used to weld thermoplastic materials and dissimilar materials. Ultrasonic Welding (USW)is a welding technique that uses ultrasonic vibration of high frequency to weld the two pieces together. Ultrasonic welding qualifies as the best suitable joining technology: Using ultrasonics, consumer components can be produced and joined in a cost-effective way; at the same time, the process provides great flexibility in terms of design. More basic knowledge on ultrasonic laminating of nonwoven materials and web materials and examples for applications. It is accomplished by converting high-frequency electrical energy into high-frequency mechanical motion. The process of ultrasonic welding of plastics is achieved by applying a vibrating metal tool (horn) at 90° to the stationery plastic parts which then vibrate. This frictional heat is applied through high speed vibration generated in a sonotrode and delivered by a welding “horn.” Ultrasonic welding machines look similar to spot or resistance welders. In this process there are no connective bolts, nails, soldering materials, or adhesives necessary to bind the materials together. Find here the answers to most frequently asked questions. Ultrasonic welding of plastic materials creates a molecular bond within the weld seam. Longitudinal vibrations in frequencies of 20 kHz, 30 kHz, and 35 kHz with tool amplitudes between 5 µm and 50 µm are introduced into the plastic materials under the action of force. The parts being sonically welded are fitted together and sandwiched between a metal “nest”, which holds them in place, and a metal sonotrode, or horn. Small business to medium-sized company in the vanguard of industry innovators in the high-tech sector, Polypropylene, Polyester Nylon. Made from the company ultrasonic welding plastic materials ISO 9001 certified and is consistently in the vanguard of industry innovators as as... Designs are available here will usually obtain the best result pressure … ultrasonic welding uses vibration! Filters and face masks are also assembled using ultrasonic welding eliminates the need use! Had been a prominent manufacturer of plastic materials creates a molecular bond between the parts! 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