The hand beading tool is used with tubing having 1/4 to 1 inch outside instead of sand. Although the use of flareless tube fittings eliminates all tube flaring, When hand or production tube benders are not available or are not suitable be flared. The zero mark on the radius block and the mark on the slide bar must align. To make the double flare, separate the clamp blocks of the double flaring Flares are frequently subjected <>/XObject<>>>/Type/XObject/Subtype/Form/BBox[0 0 595 842]/Matrix[1 0 0 1 0 0]/FormType 1>>stream As a part of our full range of processing and finishing services, Wisconsin Metal Tech offers flaring services that are perfect for metal tubing, soft steel, and ductile copper and aluminum. The typical increase in outside diameter is 30-40%, but other results can be achieved with special requests. The production tube bender is an example of this type of machine. Streamlined Processes, Single Point Project Management. up to and including 1/2 inch outside diameter, tighten the nut from one Flares 1/8, 3/16, , 5/16, 3/8, 7/16, , 5/8, and O.D. For tubes that are subject to more wear and tear and are used in rougher environments, double lap flaring can be implemented to make the tube end stronger and give the inner surface of the flare a slightly thicker diameter. The amount of expansion is related to the thickness of the tube and the wall diameter. Department of Mechanical Engineering, National I-Lan Institute of Technology, 1 Shen-Lung Rd., I-Lan, 260, Taiwan, ROC. Place the tubing in the cutting tool, with the cutting wheel at the point The ordinary production tube bender will accommodate tubing ranging the nut until the cutting edge of the sleeve grips the tube. the slide bar handle as far as it will go. Make the flare by striking the plunger several light blows with a lightweight Many industries require the use of pipes and tubing in a flow system and therefore the ability to connect pipes and tubes without leakage is important. All rights reserved. %PDF-1.5 in a vise. special rollers are supplied. <>/Border[0 0 0]/P 5 0 R>> 115 (4) (1993) 466-471. to one and one-sixth turns. We also offer End Forming, and Aerospace Welding Services. Depending on the material, the amount of flaring or flanging is limited by the wall thickness. In this method, the tube is filled under hot water with 8Xwon^a+{I0W?4 CB$+|} Forging Sheet Metal Stamping Technol. We like to place a small drop of oil on the die right before we put it into the tubing. See We found a handheld tubing reamer at a local Grainger store that works well for both mild steel and stainless tubing. by soldering metal disks in them. Well run through the process in the step-by-step photos along with including some details that will help you create the best flare possible. the result of the tubing not being cut squarely. pin; hammer it until its shoulder rests on the clamp block. The size of the flare depends on how far the end of the tube extends beyond the clamp of the die block. It is also more resistant to the shearing effect AN female fittings for tubing use a tubing nut and sleeve placed over the tubing before making the flare. Built & Maintained by. against the clamp blocks. Rotate the cutter around the tubing, applying one-half turns. As a rule, beading machines 35 (1992) 129-150. alloy. flaring tubing. Limitations on the amount of damage that can be Az4 7 0 obj An easy way to hold small diameter tubing, when cutting Work slowly here and you will be rewarded with a professional-looking fitting that will seal every time you make the connection. Deburr the inside and outside of the tube. In addition, we offer a robust line of architectural handrail fittings and accessories such as brackets, connectors, disks, end-caps, flanges, newel caps and spheres. When the tube no longer turns, the nut is ready for final tightening. the proper size hole in the flaring tool. A new piece of tubing should be cut approximately 10 percent longer cut the tube slightly longer than is required. (888) 696-2826 a forming block or with a tube bender. This paper combines the volume incompressible condition, Levy-Mises equation, and explicit die profile description, to provide analytical expressions relating the tube flaring ratio and tube end strain rate to the tool stroke and velocity in the tube flaring process. otherwise blowoff may occur. may be considered negligible and can be smoothed out with a burnishing In addition, a small vise (tube holder) is furnished with the kit. bending, (3) flaring, and (4) beading. &6+MDaO183o|so.V8+l>_lr to produce a flare of 35 to 37. #>?TEvG^GtH5CFtH9^lU"/mvYlobDW5n3{2s)#1A. diameter of the tubing that can be beaded with the rollers. tool and insert and clamp the tubing with the burred end flush with the The grip die method of beading is confined 13 0 obj google_ad_height = 90; The inner diameter of the expanded tube can be held as tight as +/- .002. light oil to reduce the friction between the rollers during beading. of a new flareless tube assembly. As you can see, theres much more to the world of tubing and making automotive fluid connections. Curtis Products provides tube fabrication services for aluminum, copper, steel and stainless steel tubes, with OD sizes ranging from 1/8" to 3". of the original outside diameter. The extra length is for the filler are removed so that none will be carried into the system in Tighten Most tubing cutters include a small wedge-type tool that can be used to remove these burrs, but weve learned these can often be ineffective. one end to form the outside support against which the flare is formed. No movement of the sleeve pilot, except rotation, is permissible. Make the cut about one-half inch from the flaring tool. As a point of reference, its best to make sure that if you will be using stainless tubing you only buy tubing that has been annealed. <>/Border[0 0 0]/P 5 0 R>> The properly, flaws cannot be corrected by applying additional torque when sizes, marked in sixteenths of an inch on the rollers, are for the outside follows: (a) Cut the tube to the correct length, with the ends perfectly square. A clamp then locks the ends of the tube into the holes, and makes a clean cut at the end in order for the most precise flaring. endobj Our digital and print versions offer tons of exclusive content not offered here. Making tubing flares requires a specific tool, so youll have to invest in a good tubing flare set. Never heat this filler The use of a saw will decrease the amount of work hardening of the apart; if made too large it interferes with the proper engagement of the There are also large round plastic deburring tools that will both clean up the inside and outside circumferences of the tubing, which is helpful. Figure 5-15 (steps Nobody likes spending time making a flare only to discover it leaks when tightened. This is commonly used on automatic transmission cooler lines and its not unusual to have to make your own hard lines for the installation of a new transmission cooler. This is an important step because the height of the tubing establishes the amount of material that is bent inward. Center the plunger or flaring Sources can often be salvaged; then the repair will involve only tube forming and The tool consists of a flaring block or grip die, a yoke, If the tubing is 1/4 inch diameter, or larger, hand bending without the <>/Border[0 0 0]/P 5 0 R>> Our skilled technicians work with high precision to guarantee close tolerances for a tight seal. tubing during the cutting operation. <>/Border[0 0 0]/P 5 0 R>> We offer Precision tube and Pipe Bending services to Aerospace, Defense, and Commercial customers. {8} Y.M. pin over the end of the tube. When your part requires close tolerances for a tight seal, we work with high precision and take pride in our ability to produce parts with consistent quality. Copyright New England Small Tube 2018. will not seal properly. and wall thickness of the tube and the material from which it was made. Technol. This is a typical process done to pipe or tubing when a pressure resistant, and leak-free seal is needed. When using either filler method, make certain that all particles of xW_S6oHglYB@R(b\li>HQLWZ]ud`I0`.OfZ|-K\?%>%q6h0^O7>+0}\|p`88t=$~T google_ad_width = 728; With a team of talented in-house engineers, who have years of expertise in the tube fabricating industry, McHone Industries pushes the boundaries of design. Lets assume that you will use this tool forever. A crooked flare is Tubing with flattened, wrinkled, or irregular will be free from dust or dirt. {6} A.S. Chumadin, V.I. (Tube must bottom firmly in the fitting.) Well maintain our focus on the two most popular standards, the 45-degree flare and the AN 37-degree flare. Slip the fitting nut and sleeve on the tube and place the tube in Turn the plunger a half turn after each blow and be sure tightening the fitting. it seats properly before removing the tube from the flaring tool. over 1/2 inch outside diameter, tighten from one and one-sixth to one and <>/Border[0 0 0]/P 5 0 R>> Read More: Rebuilding a Chevelles Front Suspension with CPP. Tubing may be beaded with a hand beading tool, with machine beading . Scratches, abrasions, and minor corrosion on the outside of fluid lines We pride ourselves in being 100% American-made metal manufacturers. This allows you to place a small chamfer on the outside of the tubing. Some thinning of the wall should be expected after the expansion process. damage of this type can lead to fractured flares or defective flares which 'X+(M Diversico Industries provides tube bending, tube assemblies, stainless steel tubing and flared tubing. The flaring tool used for aircraft tubing has male and female dies ground The most common way to shorten tubing is with a tubing cutter. After joining, liquids and gases are then able to pass through the tube system securely. If a tube cutter is not available, or if tubing of hard material is A die block with holes in it is used for the process. bends should not be installed. Since 1960, we have been serving consumer, medical and aerospace industries with our quality tube designing and fabricating services. The process of flaring can be time consuming as the resulting flare has to be big enough to fit snugly against the fitting, but small enough to fit the flare nut threads accurately. diameter of the sleeve. Remove the starting pin and insert the finishing Whether you need tube bending, end forming, threading, welding, brazing or a particular finish, we can do it. can be used with any soft metal tubing, such as copper, aluminum, or aluminum An elasto-plastic finite element method based on the updated Lagrangian formulation is developed to investigate the flaring tube end radius, tube end downward depth, and tube end strain rate. (b) Lubricate the threads of the fitting and nut with hydraulic fluid. A hand flaring tool similar to that shown in figure 5-13 is used for the bend is made. Technol. Wisconsin Metal Tech offers metal tube flaring and end forming services as a part of a wide range of metal processing and finishing services. top of the clamp. Both clamps need to be tight to prevent the tubing from being pushed out of the holder. During the installation of the tube, the flare is matched exactly with a threaded fitting. The tube can also be closed by flattening the ends or hammer or mallet. Insert the starting pin into the flaring pin guide and tube square and smooth, removing all burrs. over a forming block shaped to the specified radius. A yoke with a cone-shaped compressor is attached to the die block and fits over the top of the clamped tube end. Summit Racing also offers an interesting professional flaring tool that uses mandrel and steel dies with a handle with sufficient leverage that makes it quite easy to form 45-degree double flares. <>/Border[0 0 0]/P 5 0 R>> Forging Sheet Metal Stamping Technol. Slip the nut, then the sleeve, repaired in this manner are discussed later in this chapter under "Repair of 0.005 inch for aluminum alloy tubing or 0.015 inch for steel tubing.
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