Machining recommendation for ampco and ampcoloyalloys. Oil impregnated bronze bar stock has stock on the id and od to permit machining to the nominal dimension desired. Its a grab bag of tips and techniques that didnt have a home in one of our cookbook mega guides. Machining swingarm bushings 954 aluminum bronze massquantities.
I understand 954 aluminum bronze can be challenging to machine. Sep 17, 20 this bar stock is a pm product and is already impregnated with oil. Contact your local metal supermarkets store to confirm availability and pricing. C17200 alloy 25 is a high performance alloy and so it is important to have confidence in your supplier. Precision machining services and cnc machining with a 99. Top 7 tips on machining inconel, hastelloy, monel and other. May 31, 2015 machining swingarm bushings 954 aluminum bronze massquantities.
Below are 8 tips to make machining sintered bronze bar stock even. Machining tips, techniques and articles this page contains tips for setting up a lathe and how to go about some basic turning. For bronze machining pricing, please share details about your project with us. Machining swingarm bushings 954 aluminum bronze youtube. The bending moment resistance of the tip also decreases strongly with increasing. Machining alloy 954 aluminum bronze engtips forums. I have been drilling and tapping c360h02 free machining brass for use on the outside of my house about from the ocean in florida. Pickling hooks, bearings, pawl, worm gears, machine parts, spur gears. Here is an assortment of tips on machining and machine shop management from shops that have been profiled in modern machine shop. I started off with some nice brass or possibly bronze and aluminum that i wanted to make something out of.
Highfeed millsa tool concept developed for machining tool steels in the diemold industryhave been adapted in recent years to machining titanium. Bearing design material properties the bearing bronze families summary. Feedrate intooth cutting speed ftmin end mill diameter in material 14 1 roughing finishing aluminum 0. This page gives cutting speeds for turning, milling, and drilling of several different materials. Using these methods on any surface which will become the bearing surface will introduce grinding media and could easily smear the bronze pores sealing the microporosity. C95400 aluminum bronze, also known by c954, is the most popular. Specifications, applications, properties, techniques, corrosion resistance, properties, and enineering. I am going to bolt and dowel pin an alloy 954 aluminum bronze part to an al 6061t6511 part. Kormax clients value the flexibility offered by our userfriendly cutting service. If your next project requires bronze or brass, specmasters unique and innovative machining techniques can reduce your cost and increase overall quality. Free cutting bronze free machining bronze powerway. Machining recommendation for ampco and ampcoloyalloys compared to steel 1. I plan to bolt the parts together then match drill and ream for the dowel pins.
It is a very hard material which has excellent strength and wear resistance, yet still retains good machining properties. Anyone have any suggestions on machining bar stock 954 aluma bronzematerial. It flakes a little like most bronzes, but not as easy as say, 660. It is recommended to use the same grade oil originally impregnated into the part.
Feeds and speeds for end milling using high speed steel tooling. The time at temperature is one hour per 1 inch of section. It has very high mechanical strength, good wear and corrosion resistance in both marine and industrial conditions. Bronze round and flat bar supplier southern tool steel, inc. All values are typical and should be used as a guide only. We can cut to any size to suit your applications needs. Sintered bronze bar stock is generally available in 612 lengths and is made to be machined. Coolants are usually necessary for machining sintered bronze bar stock. We precision cut and saw to size tubes, pipes, wires, sheets, plate, rods, bars, or extrusions of any shape. Cutting buttress threads in alum bronze 954 youtube.
Welding tips and tricks view topic aluminum bronze. Recommended machining parameters for copper and copper alloys. Reading trough several of harold posts, i am kind of scared of aluminum bronze, he often quote it as the exception to general easy machinig of copper alloys. North americas metric sintered bronze and cast bronze. It is not at all unusual to come across a bronze sleeve bearing that has been performing satisfactorily for decades, even under severe operating conditions. Head office foundry machining facility sales office turkey istanbul india pune xi an brazil joinville yantai. Recommended machining parameters for copper and copper alloys continues a long tradition established by the german copper institute dki. My favorite thing in the world is sharing the hard work of a maker. Brass and bronze both have high resistance to corrosion and wear, making them an ideal material for applications that will need to function in harsh environments for an extended period of time. It is critical to consider joint area annealing and expansion during the copper alloy welding process.
It includes a calculator to figure the spindle speed required. Im trying to finish up a copy of an 8 wt that i cast at srg this fall and would like to replicate the gold toned gold nitride hardware. Mechanical properties measured at room temperature, 68 f 20 c fatigue strength. Nickel included in copper 954 aluminum bronze conforms to astm b505, sae.
C95400 aluminum bronze is a tough, hard, aluminum bronze that resists wear, abrasion, and deformations under high compressive loads. Ampco and ampcoloy materials are basically easy to. C95400 aluminum bronze c954 per astm b505 aviva metals. Aviva metals is the leading us manufacturer of continuous cast bronze, brass, and copper alloys. Honing and grinding are never recommended on oilite bearing materials. With our inhouse forging, heat treatment, and machining, ibc is able to provide many required sizes and shapes with short lead times and excellent quality. Southern tool steel stocks bearing bronze 932 sae 660, which is the most commonly used bronze in bushing and bearings applications due to its excellent strength, wear resistance, and machining capabilities. A sintered bronze bearing 34 in diameter and 118 long has been run at 1800 rpm for a total of 1,321,920,000 revolutions without wear.
Electrolytic copper is for sure the mostly used electrode material for sink erosion, but. The recommendations for the machining of ampco and ampcoloy materials are based on extensive. Ball sizing can also be used on the id effectively for final sizing. Speeds and feeds for carbide endmills internal tool. Standard mill sizes for bronze c954 aluminum bronze hollow bar range from 0. Brass and bronze both have high resistance to corrosion and wear, making them an ideal material for applications that will.
Aluminum bronze welded overlay on 174 stainless steel. All kormax 954 aluminium bronze bar has machining allowances added to the sizes quoted. At precision provides custom bronze machining services for companies worldwide. Looking for some advice for machining, surfacing in particular, of 954 aluminum bronze. Does anybody have an idea of what it takes to weld this. It is typically used to make bearings, valves, pumps, various gears and fastening hardware a machine parts.
The only bronze that come in bars, rather than rods, is 954 shown as aluminum bronze. When mating with dissimilar metals, c95400 aluminum bronze prolongs part life, cuts maintenance costs, friction, galling, and seizing are reduced. It is a pretty tough material, and i would compare machining it somewhat like becu 25 at. If you use hss tooling, use a cobalt alloy, and keep the tools sharp and you wont have any trouble.
Multiply the listed speeds by a factor of 2 when using carbide tooling. Roller burnishing is an excellent choice to modify an id slightly. Using the data tables and the milling formulas below, you can calculate the speeds. We specialize in the manufacturing and distribution of a large range of copper alloys which incorporate continuous cast, centrifugal castings, wrought copper and copperalloy bars, sheets, and plates, bronze wear plates, and finished machined parts. Copper alloys are normally welded to be a vital component in heat exchangers and airconditioning units. I dont have a ton of parts to do, so just something to get me thru. Free cutting bronze, also called free machining bronze is widely used for making precision parts in communication, aviation, automobile, heavy machinery and other industries such as bush, disk and gasket production. Bronze round rectangle square hexagon 314 commercial, 464 non leaded naval, 485 leaded naval, 510544 phosphor bronze, 623, 624, 630632 aluminum nickel bronze, 642 aluminum bronze, 655 silicon bronze, 675 manganese bronze, cda 940, 954 aluminum bronze coil 510 phosphor bronze tubing 954 aluminum bronze sheet plate 220 commercial, 464 naval, 510 phosphor bronze, 614, 655 silicon. Surfacing 954 aluminum bronze machining, tools, cutting. Brass and bronze exhibits a unique combination of properties, including high electrical andthermal conductivity and good resistance to corrosion nickel good corrosion resistance, easy to weld. I get ridiculously excited seeing people make things. Our casting plants have been casting copper beryllium for over 20 years. Because the oil is already present in the pores it is not recommended to use water or cutting oil because they mix with the parts original oil content.
Machining is using fancy tools called mills to grind and cut away bits of metal. Machining 954 aluminum bronze material practical machinist. Copper alloys developed to exhibit someof the characteristics of copper, with added strength, machinability and formability. Machining of sintered bronze bearings is best accomplished with standard tungstencarbide tools. Excellent machinability and weldability for the fabrication of complex. I have a job possibly coming my way to weld up pieces of 954 aluminum bronze. A highfeed mill requires a light axial depth of cut, but when run at this light depth, the tool permits feed rates higher than milling cutters with more conventional designs.
Machining guidelines for nickel aluminum bronze national bronze. When i started i had to learn the hard way about how the drill bits will grab the brass and pull the heavy drill vise up off the table. After extensive machining, bearings should be reimpregnated with appropriate specified oils. Copper, navel brass, high silicon bronze, a17, c17200, 600. Drilling and tapping of brassbronze cr4 discussion thread. And 660, unlike, say, a bronze such as aluminum bronze, is very easily machinable. Recommended machining parameters for copper and copper. The odds are, unless you machine it properly, and using tooling with the correct tool geometry, you will close up the side bearing surfaces and lose the spacers selflubricating ability. Machining 954 aluminum bronze material anyone have any suggestions on machining bar stock 954 aluma bronze material. Welding, brazing, and soldering of 954 aluminum bronze can be performed with standard practices, however, oxyacetylene welding is not recommended. We will provide a noobligation quotation as quickly as possible.
Tinleaded bronze tin bronze brass aluminium bronze reference ampco nearest international. We also stock aluminum bronze 954, which offers higher strength and corrosion resistance as compared to other bronze alloys. Our bronze 3d machining services use advanced equipment to provide a high level of accuracy and precision which means your parts are manufactured to the tolerances and exact requirements you specify. I have a two axis prototrak plus and i use 2 and 3 flute sgs type carbide tooling for my 6061 aluminum but not sure on how to approach the tougher 954. I just want to revel in the creativity of the masses. This bar stock is a pm product and is already impregnated with oil. Brass and bronze exhibits a unique combination of properties, including high electrical andthermal conductivity and good resistance to corrosion. Machining huge 4 ton rock drill head with cnc machines. For heavy metal removal, the size of the tip needs to increase. Anyone have any suggestions on machining bar stock 954 aluma bronze material. At the welding tips and tricks forum, were all about helping each other out with tig, mig, and stick questions and projects. It isnt the easiest thing in the world to pick up over a weekend, there are lots of little things to learn. Cuni3si, dtd 498 directorate of technical development c64700 nickel silicon bronze is a heat treatable nickel silicon bronze alloy. Paul foundry 954 minnehaha avenue west saint paul, minnesota 55104.