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Topic: Plastic welding

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	Controlling the ultrasonic plastic welding process
		Ultrasonic equipment for plastic welding invariably works at constant amplitude, with generator power being adjusted automatically as required to maintain the chosen vibration amplitude (known as "Power by Demand").
		This is most likely in far-field welding where the component have a limited capacity to transmit vibrations to the joint.
		Weld time is critical, and will generally be the last setting adjusted (and the first to be re-adjusted when something goes wrong!).
	www.powerultrasonics.com /ultrasonic_plastic_welding_control.html (606 words)

	Plastic welding - Wikipedia, the free encyclopedia
		This is the extruded rod that is used to weld plastic.
		This is the same as spot welding except that heat is supplied with convection of the pincher tips, instead of electrical conduction.
		In vibration or friction welding, the two parts to be assembled are frictionned together at a lower frequency and higher amplitude than ultrasonic welding.
	en.wikipedia.org /wiki/Plastic_welding (630 words)

	Plastic welding: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-17)
		Welding is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence....
		Induction welding is a form of welding that uses electromagnetic induction to heat the workpiece....
		Forge welding is a welding process of heating two or more pieces of wrought iron or steel until their surfaces are malleable and then hammering them together...
	www.absoluteastronomy.com /encyclopedia/p/pl/plastic_welding.htm (775 words)

	PLASTIC WELDING: Repairs on Plastic Parts: Plastic Distributor & Fabricator
		The welding rod has to be clean for the same reason the surface needs to be cleaned.
		After completing the weld, do not leave the area as is. Smoothing down the weld bead to the surface of the part will avoid new cracking areas.
		If this or any of my previous articles help you to understand the important aspects of plastic welding and all the considerations that have to be made, my goal has been achieved.
	www.plasticsmag.com /welding.asp?fIssue=Jul/Aug-01&aid=3325 (1568 words)

	Construction-Guide.com
		Because firms are starting to repair their own plastic products, such as tanks and liners, the plastic welding industry has grown twofold.
		The transportation and recreational vehicle industry are two perfect examples of firms that have started using more and more plastic welding equipment as a result of their increases in plastic usage.
		Because plastic welding is becoming more commonplace, it is important to know the environmental and safety concerns that involve plastics, especially when they are heated.
	www.construction-guide.com /plastic-welding.htm (527 words)

	MachineDesign.com: Fundamentals Of Ultrasonic plastic welding (Site not responding. Last check: 2007-10-17)
		The weld horn and booster are designed to have an axial mode of vibration at the frequency that the generator signal oscillates the converter.
		Plastic melt occurs when the material at the part-to-part interface melts and the parts bond with the necessary strength and seal requirements of the assembly.
		The booster and weld horn components are merely reactive segments of the compression waveform in the stack.
	www.machinedesign.com /ASP/viewSelectedArticle.asp?strArticleId=57882&strSite=MDSite&catId=0 (1684 words)

	Ultrasonic welding (Site not responding. Last check: 2007-10-17)
		When welding thermoplastics, the thermal rise in the bonding area is produced by the absorption of mechanical vibrations, the reflection of the vibrations in the connecting area, and the friction of the surfaces of the parts.
		Whereas in plastic welding, high-frequency vertical vibrations (20 to 70kHz) are used to increase the temperature and plastify the material, the joining of metals is an entirely different process.
		In contrast to plastics welding, the mechanical vibrations used during ultrasonic metal welding are introduced horizontally.
	www.staplaultrasonics.com /c2-ultra/ultra.htm (975 words)

	Ultrasonic plastic-welding
		Plastic welding is used for a huge variety of products ranging from blister packs, cartons and small consumer goods up to car fuel tanks and dashboards.
		Best results are achieved when the components are clamped close to the interface ("near-field" welding) but if this is not possible then the process can still work at a distance ("far-field").
		Staking, or insertion, is a variation of this process in which a metal part (generally a threaded bush) is driven into a hole in a plastic component, which then solidifies around it to form a permanent join.
	www.powerultrasonics.com /ultrasonic_plastic_welding.html (243 words)

	Ultrasonic Plastic Welding Machine Sales and Service, New and Used - BYM Ultrasonics
		A plastic welder or an ultrasonic welder uses ultrasonic vibration to weld plastic.
		When the plastics are heated sufficiently the friction is stopped and the plastics are allowed to harden.
		Whether you need to repair or replace your current ultrasonic plastic welding machinery, or if you would like to add a Branson ultrasonic plastic welder for the first time, allow BYM Ultrasonics to help you find and maintain the used Branson plastic welder that is just right for your business.
	www.bymultrasonics.com /Ultrasonic_Plastic_Welding_Machine.html (472 words)

	Plastic Welding - Alternative to buying it new
		Plastic is probably one of the most taken for granted and highly abused substances man has ever made.
		We specialize in all types of plastics and welds that are made to withstand the sands of time.
		Plastic, it's light weight, durable, versatile and can be shaped into anything and everything your mind can think of, but even the best man-made items break down on you, or get old.
	www.impossible.ca (481 words)

	Plastic Welding Rod - Online Lawyer Source
		The use of a plastic welding rod may pose a threat to human health when proper safety measures are not taken by employers and workers in industries that use this type of welding material.
		While plastic welding rod materials may not contain manganese, there are other harmful chemicals that may be present in plastic welding rod materials.
		PVC plastic welding rod and other materials are most harmful when burned or heated because this releases toxic fumes into the air.
	www.onlinelawyersource.com /welding-rod/plastic.html (602 words)

	Plastic Welding and Fabrication
		Plastic welding is, in a lot of industries, mostly unrecognized, but fabricators often need to join plastic parts together in one way or another.
		Fabricators new to plastic welding often ask "Where do I start?" "What do I need to know to make a proper plastic weld?" Well, quite a few things have to be considered before a proper start can be made.
		Welding of plastics is done by bringing them up to the specific weld temperature (viscous flow), joining them under pressure, and allowing them to cool down slowly!
	www.imperialindustriesinc.com /plastic-fabrication-welding.html (1142 words)

	Plastic Welding
		As the years progressed, and plastic clad motorcycles came into existence, I found myself either trying to fix my broken fairing panels or those of brave friends who would sit around and laugh while I put their pieces back together.
		So the goal for me is now to fix a broken panel with minimal damage to the surrounding area, create a weld that requires mild prepping for refinish, and then sending the piece off to a good painter for refinish.
		There are basically two types of plastic welders, a hot air welder which is hooked up to a compressor, and an electric soldering type gun.
	www.geocities.com /when_pigs_fly_mc/plastic.htm (727 words)

	Vibration plastic welding machine from Dukane Ultrasonics
		Vibration plastic welding machine systems are available as a single unit or a standalone assembly system, or it may be integrated into automated machinery.
		The mechanical motion of vibration plastic welding, along with applied force, creates frictional heat at the plastic components' mating surfaces (joint area) so the plastic material will melt and form a molecular bond between the parts.
		Linear plastic welding physically moves one of two parts horizontally under pressure, creating heat through surface friction that melts and welds the parts together.
	www.dukcorp.com /us/plastic_welding.htm (417 words)

	Plastic Welding
		Plastic filler rod made from the same type of plastic as the base material is melted into the joint.
		This is a broken plastic lug on the underside of the cover that holds the switch to the cover.
		The first step in plastic welding is to determine what type of plastic the part is made from: PE, PP, ABS, PVC, HDPE, Nylon, etc..
	www.artsautomotive.com /PlasticWelding.htm (409 words)

	Process and Parameters - Clearweld
		While there are many established methods to weld plastics, each with its own advantages and disadvantages, Gentex Corporation offers a new, patented plastic welding technology - Clearweld - to provide you with greater design, engineering and manufacturing flexibility to meet today's on-going challenges and tomorrow's innovations with joining plastics.
		The end result or the key solution Clearweld offers you is laser welding material and engineering services that allows color flexibility and is easy and cost effective to implement.
		Clearweld will assist you in assessing the proper laser welding technology and system for your solution, and you may request a FREE feasibility study or contact us.
	www.clearweld.com /how.aspx (562 words)

	Plastic Extrusion Welding - Ritmo America LLC - Plastic Welding - Extrusion Welding - Plastic Extrusion
		Plastic Extrusion welding is an established technique for the fabrication of assemblies made from thermoplastics.
		The process involves continuously extruding molten thermoplastic material into a weld preparation on the plastic component or structure which is being joined.
		Maintaining a firm commitment to our core businesses of welding machines, Hand and Extrusion Welders and fusion equipment is staying at the forefront of the technological revolution through rapid introduction of state-of-the-art technologies.
	www.ritmoamerica.com /se/plastic-extrusion.html (158 words)

	plastic ultrasonic welding - Welding Is Cheaper
		If you need to have some welding done, we are the best resource to use.
		We can take whatever plastic you have that is broken and turn it back into virtually new, and more often than not, stronger than new.
		Once you have used our exceptional services and products, we're certain that anytime you have a plastic problem, we'll be the first company you think of to repair it.
	www.impossible.ca /services.htm (304 words)

	PLASTIC WELDING KIT (HOTWELD) (Site not responding. Last check: 2007-10-17)
		The PLASTIC-PRO digital heat-gun and PLASTIC WELDING KIT is the ideal system for completing quick, effective and durable repairs on all types of automotive plastics, including bumpers and all interior and exterior trim parts.
		The 6 most common types of plastics are programmed into the electronic chip which automatically sets the correct temperature and air-speed for welding.
		PLASTIC PRO delivers faster, more effective plastic repairs and increased productivity.'Repair not Replace' is our philosophy which supports Governmental environmental policy while delivering major cost savings and increased profitability across the Industry.
	www.onlineonair.com /ir/listings/6.html (183 words)

	Plastic Welding, Equipment, High speed welds, Thermoplastics, Low Melting Point,Invisible joints
		Welding of thermoplastic materials and welding of low-melting-point plastics is easily achieved with lasers.
		The ideal configuration for laser welding of plastics is an overlap between a layer that is transparent to the laser and a layer that absorbs the laser.
		The laser beam penetrates the upper layer and is absorbed by the lower layer at the point where the layers meet, warming the lower layer to a melting temperature but not to a disintegration temperature.
	www.cmslaser.com /plastic-welding/index.php (293 words)

	Plastic Welding Tools at Weldingmachinesales.Net (Site not responding. Last check: 2007-10-17)
		As a particular consequence, many welds are grossly overengineered to ensure a particular handsome margin of safety.
		Plastic Welding Tools related phrases are on Weldingmachinesales.Net.
		Related phrases are welders with parkinsons lawyers san diego, hoodlum welding hoods, rig welding jobs in united states, welding supplies hamilton ontario, and alternator welders.
	www.weldingmachinesales.net /PlasticWeldingTools.shtml (576 words)

	Ultrasonic Plastic Welding (Site not responding. Last check: 2007-10-17)
		When two plastic parts are bonded together a heating, melting and resolidification process - the conventional way we understand welding - we refer to the process as Welding.
		Generally this is achieved when two similar plastics are bonded together, such as PS to PS, Nylon to Nylon, to PP to PP, or when compatible plastics are bonded together, such as ABS to PS or SAN to ABS etc.,
		In ultrasonic welding, the Horn and Fixture are designed according to to part geometry.
	www.rooptelsonic.com /weldingseries.html (201 words)

	Plastic welding machine patent invention
		The welding machine (1) comprises welding tools (7), at least one pair of driving rollers (8, 9) each, and an electronic control device (2) including a computer (3) for controlling the temperature of the welding tools (7) and for adjusting and regulating the pressure of the driving rollers (8, 9).
		The (primary) welding parameters to be kept for every welding section (38, 39; 43, 44; 48-50), such as the temperature of the welding tool (7) or the welding medium, the rate of feed of the two or one of the two driving rollers (8, 9), the driving roller pressure, etc. are determined.
		The welding machine comprises a path measuring system, which is connected to the electronic control device for determining the path section of the layers welded together during the welding operation.
	www.freshpatents.com /Plastic-welding-machine-dt20060907ptan20060196607.php (1403 words)

	Ultrasonic Plastic Welding
		In the ultrasonic welding process oscillation energy is supplied to the part to be welded by the welding tool, the so-called sonotrode.
		Subject to proper application it is almost impossible for the material to be altered or detrimentally affected in any way in areas outside the welding zone.
		Depending upon the type of plastic material, different solidification times are required for the "at the joint plasticized material" to resolidify under the effect of the still present mechanical pressure.
	www.rooptelsonic.com /plasticweldprinciples.html (358 words)

	Plastic Welding Online Resource
		welding, the weld joint is filled with a partially- or fully-molten polymer,
		In hot gas/air welding, heated gas or air is blown onto the surfaces of the
		These processes are often used to weld long weld joints.
	www.hometown.aol.com /newimageplastics/plasticweldingrod.html (229 words)

	Plastic Welders - Low Cost Solutions for Do-it-yourselfers (Site not responding. Last check: 2007-10-17)
		Welding plastics (Polyethylene, Polyproplyene, PVC, ABS) requires that you melt the plastics together.
		The weld in the plastic is often stronger than the original plastic itself.
		Remember that you must use a welding rod that is the same type of material that you are welding.
	www.delviesplastics.com /welding.htm (482 words)

	Welding - Plastic Welding Kits - Repair Tanks, Bins a...
		December 18, 2004 -- A new series of plastic welding tool kits that can be condigured by the user for making specific types of repairs such as tanks, bins, liners and roofs is available from Malcom Hot Air Systems of Portsmouth, Rhode Island.
		The Malcom Plastic Welding Kit features a compact 1600 Watt Leister Triac hot air tool with adjustable temperatures from 70 degrees F to 1,400 degrees F and variable air flow to 8 CFM.
		A plastic welding instruction booklet is included and prepackaged kits are offered for repairing tote boxes, roofs, tarpaulins, vehicles and other items.
	www.zapwelding.com /newsletters/issue5.html (248 words)

	Plastic Welding - Midland Plastics
		Plastic hot gas welding is a means of fastening together similar pieces of material without the use of solvents or mechanical fasteners.
		This is accomplished by heating up the material to be welded (parent) and a welding rod of the same material.
		There are a variety of weld types, such as triple or triangular, that can be utilized depending on the material and the application.
	www.midlandplastics.com /fs_plastic_welding.htm (120 words)

	Plastic welding and welders equipment - Dukane Ultrasonics
		Offering the maximum of control and requiring the minimum of effort, every one of Dukane's plastic welders has been designed to turn out finished assemblies of the highest quality time after time.
		Maybe that's why companies in the automotive, textile and medical industries rely on Dukane Ultrasonics plastic welders for their most demanding plastic welding procedures.
		Dukane Corporation's mission is to serve customers in the commercial, industrial and institutional markets as a value-added provider of products and services which are the "standards of comparison" in each of their chosen markets.
	www.dukcorp.com /us/plastic.htm (395 words)

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