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  • Extruded Aluminum Tube - WELLSTE

    Quality Standards for Extruded Aluminum Tube. This material has several quality standards, which is ideal since it helps in making sure that quality is obtained for the end user. Apparently, the standards vary from one region or country to another. Some of the common quality …

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  • Bicycle frame - Wikipedia

    2021-10-8u2002·u2002Historically, women's bicycle frames had a top tube that connected in the middle of the seat tube instead of the top, resulting in a lower standover height.This was to allow the rider to dismount while wearing a skirt or dress.The design has since been used in unisex utility bikes to facilitate easy mounting and dismounting, and is also known as a step-through frame or an open frame.

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  • Welding - Wikipedia

    2021-10-12u2002·u2002Welding is a fabrication process that joins materials, usually metals or thermoplastics, by using high heat to melt the parts together and allowing them to cool, causing fusion.Welding is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.. In addition to melting the base metal, a filler material is typically added to the ...

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  • 12AX7 7025 Tube Reviews - the tube store

    The Northern Electric 12AX7 is made with the highest quality materials. Everything is designed to give you unsurpassed audio quality. This tube has very large smooth plates. This design is much like a Telefunken smooth plate but a bit shorter. This design provides plenty of gain while maintaining an extremely low noise floor.

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  • Home - Advance Welding

    2021-9-20u2002·u2002There are requirements for welding design, personnel and procedure qualification, inspection, and acceptance criteria for aerospace, support and non-flight hardware.' Advance Welding is currently qualified to AWS D17.1 for the following materials: Group IA, IB –Carbon and Alloy Steels, Heat Treatable Alloy Steels

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  • Tungsten Electrode Guidebook - Diamond Ground Products

    It is known to be especially good for DC welding with low amperage because it starts very easily at low amps and usually requires about 10% less amps than Thoriated material to operate. Thus it is the most popular material used for orbital tube and pipe welding, and it is also commonly used for welding …

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  • McMaster-Carr

    McMaster-Carr is the complete source for your plant with over 700,000 products. 98% of products ordered ship from stock and deliver same or next day.

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  • 13 Different Types of Welders Jobs ... - Home Stratosphere

    Get to know the different types of welder jobs, welding job titles, and types of welding if you're considering a career path in the field of welding to learn the necessary skills and techniques required to become a successful welder. Welding is one of the most essential jobs in numerous industries all over the world.

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  • The Retrogrouch: Classic Tubes: Tange and Ishiwata -

    2014-1-13u2002·u2002A cheaper tube set was created by Tange in the 80s: Infinity -- designed as a good quality but low-cost set for lower-priced bicycles. It was a seamed tubing, which meant that it started out as flat stock. It could be rolled out with different thicknesses along its length, then formed around a mandrel and welded into a tube.

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  • Air-Cooled Heat Exchangers - an overview -

    R.W. Serth, in Process Heat Transfer, 2007 12.1 Introduction. Air-cooled heat exchangers are second only to shell-and-tube exchangers in frequency of occurrence in chemical and petroleum processing operations. These units are used to cool and/or condense process streams with ambient air as the cooling medium rather than water.

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  • tube tube welding welding efficiency increased quality

    tube tube welding welding efficiency increased good quality. TUBE-TO-TUBESHEET JOINTS: THE MANY CHOICES . 2016-10-19u2002·u2002The proposed tube end expansion method and welding procedure should be employed and the mock-up cross-sectioned for macro examination in order to proof test all the parameters and establish the weld quality and weld penetration.

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  • Orbital tube to tube welding machine - Orbital Welding ...

    The TPWH-OA Series Open Weld Head is designed for TIG welding on tube to tube, pipe to pipe and pipe fittings and is suitable for carbon and stainless steel.'The TPWH-OA Series is used for applications that require AVC/OSC.' Welds tubing and pipe for industries such as chemical, food, medicine, boilers, military and nuclear industries.

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  • Efficient And Powerful high frequency welding machine

    high frequency welding machine tube sellers and suppliers on the site. The brilliant and high-quality. high frequency welding machine tube accessible on the site are made of materials that are powerful when it comes to performance and sustainability. These devices are sturdy due to their material and can sustain rough handling, daily usages, or ...

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  • TUBE-TO-TUBESHEET JOINTS: THE MANY CHOICES

    2016-10-19u2002·u2002The proposed tube end expansion method and welding procedure should be employed and the mock-up cross-sectioned for macro examination in order to proof test all the parameters and establish the weld quality and weld penetration. In some unusual cases micro examination may also be employed to check weld quality. Figure 6.

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  • The development of tube-to-tubesheet welding from ...

    2021-6-25u2002·u2002Tube-to-tubesheet welding is widely used in manufacturing of heat exchangers, steam turbines, condensers, boilers, etc. It has evolved from manual arc welding, automatic welding to digital welding. In the future, it will be toward intelligent welding. However, the key technologies related to tube-to-tubesheet welding are seldom summarized. This paper presents the sensing, positioning, and ...

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  • 2. Design of Welded Connections - American Welding

    2017-6-27u2002·u2002penetration groove weld shall be the thickness of the thinner part joined. No increase in the effective area for design calculations is permitted for weld reinforcement. Groove weld sizes for welds in T-, Y-, and K-connections in tubular members are shown in Table 3.6. 2.4 Fillet Welds 2.4.1 Effective Throat 2.4.1.1 Calculation.

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  • China Orbital Tube Welding Videos Supplier and Factory ...

    High-quality comes 1st; assistance is foremost; business enterprise is cooperation' is our business enterprise philosophy which is constantly observed and pursued by our business for Orbital Tube Welding Videos, Black Pipe Gas Line Home Depot, Carbon Steel Pipe Size, Boiler Tube Welding Jobs,Jindal Erw Pipe Price List. With a wide range, good ...

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  • Welding Techniques For Thin-Walled Stainless Steel Tubes ...

    2019-10-18u2002·u2002Welding Techniques For Thin-walled Stainless Steel Tubes The thin-walled stainless steel tubing generally means: the pipe diameter is φ5 to 50 mm, and the wall thickness is δ0.3 to 1.0 mm. The form of welded joints is: thin tube and thin tube welding, thin tube and thick tube welding (including tube cross welding and concentric welding), the most difficult to Continue Reading

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  • Automatic weld seam tracking of tube-to-tubesheet TIG ...

    2021-3-1u2002·u2002Tube-to-tubesheet welding was all-position welding. As shown in Fig. 2. If the rotary center of welding torch can not be accurately aligned with the tube center, the distance between the welding torch and the tube maybe become larger or smaller in the circular motion of welding torch around tube. This will result in poor welding quality.

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  • Maximising Output in High-Frequency Tube and Pipe

    A rticle Maximising Output in High-Frequency Tube and. Pipe Welding By Bjørnar Grande and Olav Wærstad, EFD Induction • Ensure short changeover times, with minimal operator intervention • Contribute to easy start up of new products, with minimal scrap production The topic of achieving consistent high weld quality was covered in the paper Maximising Output in High-Frequency Tube and Pipe ...

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  • The development of tube-to-tubesheet welding from ...

    2021-6-25u2002·u2002Tube-to-tubesheet welding is widely used in manufacturing of heat exchangers, steam turbines, condensers, boilers, etc. It has evolved from manual arc welding, automatic welding to digital welding. In the future, it will be toward intelligent welding. However, the key technologies related to tube-to-tubesheet welding are seldom summarized. This paper presents the sensing, positioning, and ...

    Get Price
  • Effect of weld parameters on weld quality in sheet to tube ...

    The present paper investigates the influences of welding parameters, such as electrode force and welding current, on the welding deformation and quality of the sheet to tube SSRSW using electrode ...

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  • Tube Design Evolution - Canadian Metalworking

    2010-6-1u2002·u2002Tube lasers allow specially shaped tubes to be used in the fabrication process. Designers are no longer limited to just round and rectangular tubing during part design. For example, by using the laser to V-notch a tube, a fabricator can create a fold-up-style part from a single tube, rather than multiple tubes welded together.

    Get Price
  • Welding Techniques For Thin-Walled Stainless Steel Tubes ...

    2019-10-18u2002·u2002Welding Techniques For Thin-walled Stainless Steel Tubes The thin-walled stainless steel tubing generally means: the pipe diameter is φ5 to 50 mm, and the wall thickness is δ0.3 to 1.0 mm. The form of welded joints is: thin tube and thin tube welding, thin tube and thick tube welding (including tube cross welding and concentric welding), the most difficult to Continue Reading

    Get Price
  • Ultrasonic Closure Welding of Small Aluminum Tubes

    2013-3-14u2002·u2002tube must not be sharp or otherwise pose safety hazards to personnel durxad ing handling. 6. Welding parameters should be amenable to control under manufacxad turing conditions and should assure an acceptance quality level of 97%. 7. Leak rate and integrity of the closure should not be degraded by cyclic temperatures ranging from -65 to +165 F.

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  • Automatic weld seam tracking of tube-to-tubesheet TIG ...

    2021-3-1u2002·u2002Tube-to-tubesheet welding was all-position welding. As shown in Fig. 2. If the rotary center of welding torch can not be accurately aligned with the tube center, the distance between the welding torch and the tube maybe become larger or smaller in the circular motion of welding torch around tube. This will result in poor welding quality.

    Get Price
  • OF ALL TITANIUM CONDENSER TUBE BUNDLES WITH

    2018-4-14u2002·u2002zone during welding) and of the carbon steel 30 mm. The plates were ordered heat treated, straightened and grinded, the latter to facilitate cleaning and reduce the risk for impurities in the weld. For the same reason the tube specification was extended to include very strict demands for surface quality.

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  • Best Welding Rods for Mild Steel, Thin Metal, Thick Steel ...

    2021-9-14u2002·u2002Welding rod is a local company that is famous for centuries in producing welding rods. Their welding rods are not of extraordinary quality but are much better than those locally available on market. These welding rods are used in bulk because of their good quality and customer-friendly price.

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  • Hygienic Welding: How Do You Know When It's Right?

    2020-2-11u2002·u2002Specification for Welding of Austenitic Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications •AWS D18.2:2009, Guide to Weld Discoloration Levels on Inside of Austenitic Stainless Steel Tube •AWS D18.3/D18.3M:2015, Specification for Welding of Tanks, Vessels, and Other Equipment in Sanitary (Hygienic) Applications 2

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  • 1 3/4' (44.45mm x 2.63) cds tube supplier

    2020-10-31u2002·u2002The CDS tube is too expensive to make many mistakes! I looked into making my own cage years ago & when you count up the costs of the proper tube, a good welder, a good bender, a tube notcher plus many, many hours cutting, bending, fitting, grinding, welding, swearing, cutting it off coz the angle was wrong, grinding again, welding again, etc it ...

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  • tube tube welding welding efficiency increased quality

    tube tube welding welding efficiency increased good quality. TUBE-TO-TUBESHEET JOINTS: THE MANY CHOICES . 2016-10-19u2002·u2002The proposed tube end expansion method and welding procedure should be employed and the mock-up cross-sectioned for macro examination in order to proof test all the parameters and establish the weld quality and weld penetration.

    Get Price
  • Buy welding stainless tubing, Good quality welding ...

    Good quality welding stainless tubing from welding stainless tubing manufacturer, Buy welding stainless tubing online from China. ... ZheHeng steel,Stable quality, reasonable price, a great company. ... GOST 9940-81 08X13 12X13 15X25T Stainless Steel Seamless Tube/Pipe Tubing zheheng steel is a one of the important suppliers of Gost 9940 ...

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  • Buy welding thin stainless steel tube, Good quality ...

    Good quality welding thin stainless steel tube from welding thin stainless steel tube manufacturer, Buy welding thin stainless steel tube online from China. No999 .wenzhou airport wenzhou city,zhejiang china ... ZheHeng steel,Stable quality, reasonable price, a great company.

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  • The development of tube-to-tubesheet welding from ...

    2021-6-25u2002·u2002Tube-to-tubesheet welding is widely used in manufacturing of heat exchangers, steam turbines, condensers, boilers, etc. It has evolved from manual arc welding, automatic welding to digital welding. In the future, it will be toward intelligent welding. However, the key technologies related to tube-to-tubesheet welding are seldom summarized. This paper presents the sensing, positioning, and ...

    Get Price
  • Ss High Frequency Welding Finned Tube - China ...

    Ss High Frequency Welding Finned Tube Manufacturers, Factory, Suppliers From China, With a wide range, good quality, reasonable prices and stylish designs,Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.

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  • Tube Beveling Machine factory, Buy good quality Tube ...

    Buy low priced Tube Beveling Machine from Tube Beveling Machine factory, We provide good quality Tube Beveling Machine from China. Hyzont ( Shanghai ) Industrial Technologies Co.,Ltd ----- One-stop Solutions of Orbital Welding and Cutting Machines ... China Good Quality Cutting Welding …

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  • Maximising Output in High-Frequency Tube and Pipe

    A rticle Maximising Output in High-Frequency Tube and. Pipe Welding By Bjørnar Grande and Olav Wærstad, EFD Induction • Ensure short changeover times, with minimal operator intervention • Contribute to easy start up of new products, with minimal scrap production The topic of achieving consistent high weld quality was covered in the paper Maximising Output in High-Frequency Tube and Pipe ...

    Get Price
  • Quality inspections - The Fabricator

    2007-7-10u2002·u2002A welding inspector with good eyesight can be trained relatively quickly by a competent instructor and can prove to be a major asset to the welding quality system (good vision is obviously essential for visual inspection). Surface Crack Detection. A welding inspector sometimes is required to conduct weld testing by surface crack detection methods.

    Get Price
  • Tube Design Evolution - Canadian Metalworking

    2010-6-1u2002·u2002Tube lasers allow specially shaped tubes to be used in the fabrication process. Designers are no longer limited to just round and rectangular tubing during part design. For example, by using the laser to V-notch a tube, a fabricator can create a fold-up-style part from a single tube, rather than multiple tubes welded together.

    Get Price
  • Laser welding of plastics - TREFFERT

    2018-5-24u2002·u2002› The results are surfaces with perfect quality, no micro particles, glue or roughness. › Low reject rates and constantly high reproducibility. Graphic above: Different process versions of laser welding for different plastic designs Flat plate design Laser Pressure Pressure Laser Tube design …

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  • tube tube welding welding efficiency increased quality

    tube tube welding welding efficiency increased good quality. TUBE-TO-TUBESHEET JOINTS: THE MANY CHOICES . 2016-10-19u2002·u2002The proposed tube end expansion method and welding procedure should be employed and the mock-up cross-sectioned for macro examination in order to proof test all the parameters and establish the weld quality and weld penetration.

    Get Price
  • Ultrasonic Closure Welding of Small Aluminum Tubes

    2013-3-14u2002·u2002tube must not be sharp or otherwise pose safety hazards to personnel durxad ing handling. 6. Welding parameters should be amenable to control under manufacxad turing conditions and should assure an acceptance quality level of 97%. 7. Leak rate and integrity of the closure should not be degraded by cyclic temperatures ranging from -65 to +165 F.

    Get Price
  • Effect of weld parameters on weld quality in sheet to tube ...

    The present paper investigates the influences of welding parameters, such as electrode force and welding current, on the welding deformation and quality of the sheet to tube SSRSW using electrode ...

    Get Price
  • China Welding Square Tube To Plate Supplier and Factory ...

    We are commitment to offer the competitive price,outstanding products quality, as well as fast delivery for Welding Square Tube To Plate, Steel Strip for Britishs, Home Depot Square Steel Pipe, Ptfe Gas Line Pipe Thread Tape,Pex Pipe Gas Line. With a wide range, good quality, reasonable prices and good service, we will be your best business ...

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  • China Cheap ASTM B862 Welding Titanium Tube

    Features of ASTM B862 Welding Titanium Tube. 1.Low Density . 2.Excellent Corrosion Resistance in acid and alkali salt 3.High heat transfer capability 4.Good biocompatibility 5.Low elasticity module6.Low thermal expansion coefficient 7.Superior strength-to-density ratios. 8.Good strength at low and high temperature. Why Choose US. QUALITY.

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  • welding copper pipes, welding copper pipes Suppliers and ...

    A wide variety of welding copper pipes options are available to you, such as bending, cutting. You can also choose from water heater, water tube, and air condition or refrigerator welding copper pipes, as well as from non-alloy, is alloy welding copper pipes, and whether welding copper pipes …

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  • Automatic weld seam tracking of tube-to-tubesheet TIG ...

    2021-3-1u2002·u2002Tube-to-tubesheet welding was all-position welding. As shown in Fig. 2. If the rotary center of welding torch can not be accurately aligned with the tube center, the distance between the welding torch and the tube maybe become larger or smaller in the circular motion of welding torch around tube. This will result in poor welding quality.

    Get Price
  • Triode Tube for RS3060CJC for welding machine, View ...

    Triode Tube for RS3060CJC for welding machine FOB Reference Price ... Customer first, best quality and reasonable price are some of our concepts. Our products are sold well all over the whole country, exported In enormous quantities to the following regions as South and North America, Europe and the Middle East, Asia. Our company mainly ...

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  • China 2021 Good Quality Vapor Absorption Machine -

    Tube to tubesheet connection is deep hole butt welding. The connection form of heat exchanger tube and tube sheet is different from the end welding of conventional heat exchanger. Deep hole welding is mainly used to form butt welding joint, which makes the heat exchanger play a better performance in stress and crevice corrosion problems.

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  • (PDF) Repair of Tube–Tubesheet Weld Cracks in a Cracked ...

    Abstract Serious cracks were found at tube-to-tubesheet. welds during the start up operation of a cracked gas/steam. heat exchanger in a gas plant. The cause of the failure has. been analyzed, and ...

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  • tube tube welding welding efficiency increased quality service

    tube tube welding welding efficiency increased good quality. TUBE-TO-TUBESHEET JOINTS: THE MANY CHOICES . 2016-10-19u2002·u2002The proposed tube end expansion method and welding procedure should be employed and the mock-up cross-sectioned for macro examination in order to proof test all the parameters and establish the weld quality and weld penetration.

    Get Price
  • Buy welding stainless tubing, Good quality welding ...

    Good quality welding stainless tubing from welding stainless tubing manufacturer, Buy welding stainless tubing online from China. ... ZheHeng steel,Stable quality, reasonable price, a great company. ... GOST 9940-81 08X13 12X13 15X25T Stainless Steel Seamless Tube/Pipe Tubing zheheng steel is a one of the important suppliers of Gost 9940 ...

    Get Price
  • Buy welding thin stainless steel tube, Good quality ...

    Good quality welding thin stainless steel tube from welding thin stainless steel tube manufacturer, Buy welding thin stainless steel tube online from China. No999 .wenzhou airport wenzhou city,zhejiang china ... ZheHeng steel,Stable quality, reasonable price, a great company.

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  • The development of tube-to-tubesheet welding from ...

    2021-6-25u2002·u2002Tube-to-tubesheet welding is widely used in manufacturing of heat exchangers, steam turbines, condensers, boilers, etc. It has evolved from manual arc welding, automatic welding to digital welding. In the future, it will be toward intelligent welding. However, the key technologies related to tube-to-tubesheet welding are seldom summarized. This paper presents the sensing, …

    Get Price
  • Ss High Frequency Welding Finned Tube - China ...

    Ss High Frequency Welding Finned Tube Manufacturers, Factory, Suppliers From China, With a wide range, good quality, reasonable prices and stylish designs,Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.

    Get Price
  • Tube Beveling Machine factory, Buy good quality Tube ...

    Buy low priced Tube Beveling Machine from Tube Beveling Machine factory, We provide good quality Tube Beveling Machine from China. Hyzont ( Shanghai ) Industrial Technologies Co.,Ltd ----- One-stop Solutions of Orbital Welding and Cutting Machines ... China Good Quality Cutting Welding Machine Supplier.

    Get Price
  • Maximising Output in High-Frequency Tube and Pipe Welding

    A rticle Maximising Output in High-Frequency Tube and. Pipe Welding By Bjørnar Grande and Olav Wærstad, EFD Induction • Ensure short changeover times, with minimal operator intervention • Contribute to easy start up of new products, with minimal scrap production The topic of achieving consistent high weld quality was covered in the paper Maximising Output in High-Frequency …

    Get Price
  • Quality inspections - The Fabricator

    2007-7-10u2002·u2002A welding inspector with good eyesight can be trained relatively quickly by a competent instructor and can prove to be a major asset to the welding quality system (good vision is obviously essential for visual inspection). Surface Crack Detection. A welding inspector sometimes is required to conduct weld testing by surface crack detection methods.

    Get Price
  • Tube Design Evolution - Canadian Metalworking

    2010-6-1u2002·u2002Tube lasers allow specially shaped tubes to be used in the fabrication process. Designers are no longer limited to just round and rectangular tubing during part design. For example, by using the laser to V-notch a tube, a fabricator can create a fold-up-style part from a single tube, rather than multiple tubes welded together.

    Get Price
  • Laser welding of plastics - TREFFERT

    2018-5-24u2002·u2002› The results are surfaces with perfect quality, no micro particles, glue or roughness. › Low reject rates and constantly high reproducibility. Graphic above: Different process versions of laser welding for different plastic designs Flat plate design Laser Pressure Pressure Laser Tube design Laser Laser Pressure

    Get Price