Optimization of front axle for heavy commercial vehicle by. Shackle redundancy replaces the need for a second leaf. Fatigue life evaluvation of an automobile front axle. Look around and you can get that sort of stuff for free. That why front axle made of isection in the central portion and the end portion is made of circular. The front axle beam is one of the major parts of vehicle suspension system. Front axle carries the weight of the front part of automobile as well facilitates steering and absorb shock due to road surface variations. Stresses analysis of various force for front axle beam in heavy. Symmetry advantages are derived from the usage of an i beam in the rear axle. Pdf design analysis and optimization of front axle for. Front axle beam takes about 3035 % of total vehicle weight. Diagram ax2 below shows a beam axle, which can be used as a rear axle in front wheel drive vehicles or as a front axle in rear wheel drive vehicles. Composition design of bainitic steel for heavy truck front. Pdf mechanical design and optimisation processes of an axle beam which is the main load carrying part of the heavy commercial vehicle solid front.
Install the front axle and spring and shackles, letting the thrubolt in the springpak extend up thru the hole in the center of the crossmember. This kind of hub is used mainly on larger vehicles, where a beam axle is fitted instead of independent suspension. Y max maximum deflection, w front axle weight, alength kingpin center to spring pad center hole, l front track, imoment of inertia. Take the performance and handling of your car to a whole new level with a quality front ibeam axle from speedway motors. It consisted solely of a fixed continuous member extending across the entire front end of the vehicle connecting the two steerable wheels. Instead of using a beam axle which directly connects the left and right wheels, an independent. Took a front axle off the 2nd r apart to revise and restore. Axle assembly number i 200 w series i beam type sg ibeam standard overall width sb coach beam w over 244 cm 96 in. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. A beam axle is a rigid beam which connects a nearside wheel and an offside wheel. Design and analysis of a heavy vehicle front axle ijmetmr. Figure 3 independant front suspension on the 2017 ford raptor frontend fued ifs vs.
We have both cast or forged ibeam axles as well as tube axles for you to choose from. I basically cleaned the hole with wire brush and a bit of sandpaper an. Beam axles were once commonly used at the rear wheels of a vehicle, but historically they have also been used as front axles in rearwheeldrive vehicles. Front axles are typically suspended either by leaf springs or coil springs. Empi aluminum link pin axle beam polished aluminum link pin beam is lightweight and attractive for all sand buggy applications. Dead front axle dead axles are those axles, which donet rotate. Understand basic service and repair of a differential. Todays front axles beams is much difficult to reduce the weight of fab for same stressdeflection ratio. Latest rage 401007ec mild steel vw king pin front axle beam 6 wider 10 towers. With twin spindles, this allinone solution can machine various kingpin angles. Stress analysis and fatigue analysis of front axle of heavy. They are supplied to world leading truck manufacturers on all continents of the world. Pdf design analysis and optimization of front axle for commercial.
Meshing and stress analysis is performed by ansys workbench and fatigue analysis is performed by ncode design life ansys tool under different loading cases. Development of methodology for simulation driven design. Front axle beam, analytical design, modeling catia, analysis and optimization ansys. Aluminum link pin beams, front end clamps, tabs and mounts, 90 degree chassis gussets, shock reservoir brackets, stainless steel line clamps, battery boxes for vw volkswagen. Fornt axle5 type of front axle three types of front axle. Identify the parts of the rear drive axle and front drive axle. Mechanical design and optimisation processes of an axle beam which is the main load carrying part of the heavy commercial vehicle solid front suspensions are summarised. Carrier and gear design axle load rating gawr front drive steering axle rf 21 156 n fsf 1 529 ratio customer specification number brake type manufacturing location hub, brake attachment and differential carrier variation carrier and gear design axle load rating gawr front drive steer axle mx 22 160 r a n l 1 529 this catalog is. A wide variety of front axle beam options are available to you, there are 290 suppliers who sells front axle beam on, mainly located in asia.
Describe the principles of the limited slip differential. To keep the low chassis height its center portion is given a downward sweep. Latest rage 401003 chromoly vw king pin front axle beam 6 wider no. Its up to 85 pounds lighter than twoleaf suspension with an ibeam axle. Automobile front axle beam and stub axle different types. Front nondrive steer axle heavy duty truck axle rating. A concept in which simulations and calculations are used to aid the designer from the beginning of a design process. At the ends of the beam can be steerable knuckleshubs for a front axle or nonsteerable hubs for a rear axle.
A beam axle, rigid axle or solid axle is a dependent suspension design, in which a set of wheels is connected laterally by a single beam or shaft. Front steer axle explorer click through the tabs below to learn more about the front steer axle features and benefits. Front axle beam assembly was modeled in the nx cad software. The first three and the fifth apply to all walking beam suspension applications, but the 4th is unique when incorporating torsion axles. This axle is also often found on trailers and in both the front and rear of fourwheel drive trucks. How to installalign a new i beam axle in an early ford. It is used to transmit the vehicle weight to the front wheel through the spring. There are many items for you to browse and shop using our secure merchant cart. At the same time, a trend to the twist beam axle in the csegment can be observed. King pins is fitted in the front axle beam eye and is located and locked there by a taper cotter pin.
The spicer front nondrive steering axles are identified with a tag located between the spring pads, on the front side of the center beam section. The design group that designs front axle beams, among other components. A beam axle, solid axle or rigid axle could be a dependent suspension style, within which a collection of wheels is connected by one beam or shaft. The red marked section is the underfill portion of front axle beam.
Chapter 11 drive lines, differentials, drive axles, and. Ibeam front suspensionhows it drive and handle the. Aluminum link pin beams, front end clamps, tabs and mounts. Pdf optimal design of a rigid front axle beam for trucks. Understand the procedures for removing and replacing axle bearings and seals. Unisign cnc machining centres are ideal for producing large automotive components for trucks, such as axles, engine blocks and chassis side members. After i got the king pins out with heat and a sladge hammer i found out both holes in the beam rusty and one of them allowed the kingpin to play at its lower area. The design process for a steering axle beam is driven by two misuse load scenarios.
Axle beam front year 2008 make international navistar model pb105 vin. Front axle construction,function and types of front axle. How to installalign a new i beam axle in an early ford the. The spicer model numbe ring system provides pertinent information about the axle for easy identification. A model a axle measures zero drop, whereas a 32 axle already has a 112inch drop from the factory, so dropping this a further 2 12 inches results in. Jun 20, 2016 a beam axle is a rigid beam which connects a nearside wheel and an offside wheel. Design of three and four link suspensions for off road use. Mar 12, 2012 its up to 85 pounds lighter than twoleaf suspension with an i beam axle. Consider the selected front axle is proved to be beam of uniform strength. Analysis and optimization of front axle beam of light commercial. The main axle beam is connected to the stub axle by means of kings pins. High to low most popular title manufacturer newest oldest availability. However, traditionally they need additionally been used as front axles in rearwheeldrive vehicles.
Axle beam front parts call 9783421100 search our parts. Stress analysis and fatigue analysis of front axle of. At first glance, the walking beam suspension mounts an axle at each end of the rocking beam. Abstract an axle beam is a central shaft for rotating wheel. This paper analysis the static, transient and modal analysis of the front axle beam. The axle tag contains the serial number, the model number, and the assembly number. Since i was a kid ive always wanted a super bell drop axle. This design permits the roadwheels at the front to be interconnected by a rigid solid forged axlebeam, which is a nondrive axle and at the rear by a rigid tubesection beam at the centre of which the drive halfshafts pass to transmit the drive to the rear wheels. Whether you are looking for a front axle for your street rod or your gasser styled dragster, speedway motors has the largest selection available. Its been done by mounting it to the axle, but it is, by far, not the hot setup. Understand basic service operations on a transfer case. The twist beam axle will remain the rear axle concept of the a and bsegment. Therefore, optimization of front axle beam is necessary to improve strength to weight ratio for a given factor of safety without altering any assembly.
The ends of the axle beam are formed suitably to assemble the stub axle. This innovative approach, which employs a small elliptic spring in the front end connected to a stiff, but lightweight aluminum beam, pays off in a weightsaving yet robust suspension solution. Latest rage 401006ec mild steel vw king pin front axle beam 6 wider 8 towers. Together with the available design space a topology optimization is used to create a design concept fulfilling the defined requirements. These are the deluxe kingpins with spindles matched together. Fatigue life of axle obtained by fea method is more than 2 x 105 cycles, which is considered as safe for vertical loading case. The following conceptual designs are to be compared. To calculate the front axle beam, the design data of isuzu cyz 400 illustrated in table i are taken as the specification data of this paper. Additionally, a racken pinion will not work on a beam axle. It seems straightforward enough, yet theres more to it.
Put on the clamp pad and bolts that restrain the spring in place to the crossmember and lightly tighten it just enough to remove any flopiness. Understand the adjustment of the ring and pinion gears. Oct 11, 2009 if you are even considering the purchase of that 350 buck front clip from ebay, then you are getting exactly what you deserve. The figure shows that maximu m front axle weight is attained when the truck is laden to about 65%. The main three reasons of failure of mechanical components are corrosion, wear and fatigue 2. The unitwin 6000 is a stateoftheart machining centre that cuts cycle times on axle manufacture dramatically 4. In the present study, the air cooled bainitic microalloyed steel for a heavy truck front axle beam with inequable sections was designed. Main reason for failure of front axle beam is the fatigue damage due to continuous fluctuating loads which acts from irregular road surface. Design and analysis of front axle for heavy commercial vehicle.
They look amazing and the ibeam industrial look is what i am into. Latest rage 401010ec mild steel vw king pin front axle beam 6 wider 10 towers. Below are various styles of dropped axles for your hot rod. So, proper design and optimization of front axle is extremely crucial to improve strength to weight ratio. The front road wheels are mounted on these stub axles. Choose from drilled or solid designs as well as your. Beam axles were once ordinarily used at the rear wheels of a vehicle. It uses a simple beam that attaches to the chassis through links and springsdampers. Figure 2 leaf sprung beam axle leafspring rethink, 2008 another commonly used oem style system is known as independent suspension. Standard axle beams, adjustable axle beams, axle beam parts. The fabricated axle contributes to the weight savings. The unique i beam design coupled with tie rod arms and axle cups enables a sharper wheel cut of up to 55 degrees, giving you the tightest turning radius available.
Ibeam and tube axles rod and custom magazine hot rod. Completely filled pad section of front axle beam the underfill pad section of front axle beam is as shown in figure. Wide track gawr x 45 kg 100 lbs future design level data plate is located on the axle centerline forward axle side view rear axle top view spicer model part no. Axle load calculations general information about axle load calculations 04. In order to accommodate a swivel pin connecting the sub axle portion of the assembly, the ends of the beam are usually shaped either as a yoke or. A front axle beam that does not transmit power is sometimes called a dead axle. A dead front axle has enough rigidity and strength to carry the weight of the vehicle from the springs to the front wheels. Front axle, design, analysis, automobile axle, construction and working of front axle beam. Furthermore, the application of active systems, for example active steering, will further increase the attractiveness of this concept. Unit 7 front axle and steering front axle and steering. Beam axles were once commonly used at the rear wheels of a vehicle, but historically they have also been used as.
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