Axle Sentence Examples
The pulley E is driven from an axle of the carriage.
This disk is carried on an axle inclined to the line of draught, and also to a vertical plane.
Let a couple be applied to the axle tending to turn it in the direction shown by the arrow.
The orders actually granted have allowed 50 lb, 56 lb, 60 lb and 70 lb rails, with corresponding axle loads of 10, 12, 14 and 16 tons.
The power is applied by steam acting directly on a crank at one end of the axle, and the diameter of the fan may be 40 ft.
This would be distributed between three coupled axles giving an average of 1.38 tons per axle, though the distribution might not in practice be uniform, a larger proportion of the weight falling on the driving-axle.
Every axle of an electric locomotive may thus be subjected to a torque, and the large weight which must be put on one pair of wheels in order to secure sufficient adhesion when all the driving is done from one axle may be distributed through as many pairs of wheels as desired.
Motors may be applied to every axle in the train, and their individual torques adjusted to values suitable to the weights naturally carried by the several axles.
Engines of this class, with 78-inch driving wheels and the leading axle fitted with Webb's radial axle-box, for many years did excellent work on the London & North-Western railway.
The gear operating the paper roll is driven from the axle of an inde pendent wheel which is let down into contact with the rail when required This wheel serves also to measure the distance travelled.
AdvertisementThis is done by the little crank B on the axle of the fly-wheel, acting through the rod C, and the bent lever D, which forms a toggle-joint at E with the vertical piece of metal below it.
When the agreed-on weight is on the drum, the silk is drawn across the face of the drum parallel with its axle, and pulled off in form of a sheet, and is called a lap. This lap is thin, but presents the fibres of silk now joined and overlapped in a continuous form, the length measured by the circumference of the drum.
A twin axle trailer up to 3m in length A hire van A car that is unable to fit under height barrier.
The journal of the axle A, is carried in a bearing or axle-box B, which is free to move vertically in the wide vertical slot G, formed in the frame and called generally " the horns," under the control of the spring.
When a cart wheel is ungreased it produces a very high note, probably due to torsional vibrations of the axle.
AdvertisementStirling, and later Wainwright managed to keep the axle weight very low.
The siphon is supported on a vertical axle carrying two armatures which are acted upon by two electromagnets.
An axle carrying four cams is normally at rest, but it is thrown into gear with the mechanism when the armature rises, makes one complete revolution, and comes to rest ready for the next signal.
The Rocket possessed the three elements of efficiency of the modern locomotive - the internal water-surrounded fire-box and the multitubular flue in the boiler; the blast-pipe, by which the steam after doing its work in the cylinders was exhausted up the chimney, and thus served to increase the draught and promote the rapid combustion of the fuel; and the direct connexion of the steam cylinders, one on each side of the engine, with the two driving wheels mounted on one axle.
The rate at which work is done on a particular axle is measured by the product where T is the torque or turning moment exerted on the axle by the motor or mechanism applied to it for this purpose, and is the angular velocity of the axle in radians per second.
AdvertisementThe couple T is necessarily accompanied by an equal and opposite couple acting on the frame, which couple endeavours to turn the frame in the opposite direction to that in which the axle rotates.
If the speed is given in miles per hour, S say, V =1.466 S (6) The revolutions of the axle per second, n, are connected with the radians turned through per second by the relation n =w/27r = w/6.38 (7) § 2.
In the second case every axle in the train may be made a driving-axle if desired, in which case the locomotive as a separate machine disappears.
It will be seen at once that with a tractive force of 7400 lb a weight of 37,000 lb (=16.5 tons) would be enough to secure sufficient adhesion, and this could be easily carried on one axle.
Occasionally a somewhat similar type is designed with the bogie under the fire-box and a single leading axle forward under the smoke-box - an arrangement in favour for suburban tank engines.
AdvertisementOccasionally the American eight-coupled type has a bogie instead of a single leading axle (4-8-0), and is then termed a " Twelve-wheeler," or " Mastodon."
It is used to a limited extent for mountain-grade goods traffic, and has the advantage over the " Consolidation " or eight-coupled type of lighter axle loads for a given tractive capacity.
In most of the systems that have been proposed this result is attained by electrical regulation; in one, however, a mechanical method is adopted, the dynamo being so' hung that it allows the driving belt to slip when the speed of the axle exceeds a certain limit, the armature thus being rotated at an approximately constant speed.
Diamonds are now employed not only for faceting precious stones, but also for cutting and drilling glass, porcelain, &c,; for fine engraving such as scales; in dentistry for drilling; as a turning tool for electric-light carbons, hard rubber, &c.; and occasionally for finishing accurate turning work such as the axle of a transit instrument.
The motion of the rod consequent to a motion of the case is modified by the projecting axle of the stationary mass, and after much magnification is recorded on a sheet of smoked paper.
Immediately on the axle (6Ecov, axis), without springs of any kind, rested the basket or body (S14pos) of the chariot, which consisted of a floor to stand on, and a semicircular guard round the front about half the height of the driver.
The biga itself consists of a seat resting on the axle, with a rail at each side to protect the driver from the wheels.
In mechanism it is usually the central line either of a rotating shaft or axle having journals, gudgeons, or pivots turning in fixed bearings, or of a fixed spindle or dead centre round which a rotating bush turns; but it may sometimes be entirely beyond the limits of the turning body.
In the wheel and axle, motion is received and transmitted by two cylindrical surfaces of different radii described about their common fixed axis of turning, their velocity-ratio being that of their radii.
From the centre of the under screw an axle provided with a hook (e), which performs the part of a crank, projects in an upward direction.
If now a small weight, as a penny, be passed through the slot, H, it falls into the small box, I, and causes the lever, J, to turn; the lever, J, which turns in friction wheels at K, and is counterbalanced at 0, carries a toothed segment, L, which actuates a small pinion on the same axle as F, and is free to turn on that axle by a sleeve.
There are also two vertical racks, one at each end of the casing, in connexion with - the two springs, and these actuate pinions on the axle of the drum and cause it to revolve as the springs extend.
On the same axle as the drum and behind it is a small pulley which is keyed upon the axle and is connected with the small pulley (which runs idle on its shaft) at the left-hand side of the machine by a crossed belt.
When the load to be weighed comes upon the platform, the end of the steelyard rises and unlocks the ratchet wheel through the pawl; the sprocket gearing is driven by the friction clutch, and drives the axle of the left-hand small pulley.
The chassis, now further back in the workshop, showing the refitted crank axle.
We had a rear axle fail near Bristol, early on in the ride.
The crank axle is in front of the loco.
Axle configurations include all-wheel drive as well as single and tandem drive axle configurations include all-wheel drive as well as single and tandem drive axles (single and hub reduction ).
While we had no problems I find our twin axle much nicer to tow.
The front beam axle is drilled for lightness with the spring going through the beam leaving the original spring mounting pad free.
This page describes the third stage in fixing the problem of the loose centreplate axle.
The 25 ton axle load may have been just two high for industrial lines in the 1950s.
Wheels, rear axle and pedals all run on sealed ball bearings.
I have noticed for example that on the axle casings rust appears through the paint.
When combined with the optimized triple clamp and front wheel axle design, the result is an outstanding front-end rigidity.
He insisted on an axle weight limit of five tons to allow lightweight construction of trackwork.
The back axle was bent to a 30 degree angle when it hit the curb!
There is now new cold forged dropouts that are stiffer and lighter that rear axle we previously spoke about.
This mechanism then uses the rapidly spinning flywheel via the gears to rotate the final drive axle slowly.
Its 3 speed gearbox had right hand control and along with the spiral bevel rear axle was designed and manufactured in-house.
Split frame pickup using 2mm Assoc system with tufnol block frame spacers, 2mm Assoc gears and axle muffs.
The grease nipples are situated on the front or bottom of the axle.
It also enables a more even load distribution, reduces route planning time and risks of axle overload.
New fork boots with centrally mounted axle (no offset) hold the radial brakes as well as the new splash sand fork protectors.
The eccentric sheaves have also been fitted to the driving wheel axle.
However from what I can see the axle would appear to be within factory spec!
I learned to wax the axle of the wheel so that it would n't squeak.
Mariner, Dave unicycle manufacturer since 1969, made the first production unicycle with a splined axle.
There is concern, however, that some loads may exceed the gross vehicle weight, axle specific weights, or both.
The torque corresponding to this couple is F 1 X z D = 2µWID, and hence follows the fundamental relation, 2T = 2F 1 D = 2µWID, or if W now represents the weight supported by the axle, F will be the tractive force exerted on the frame by the two axle-boxes to propel the vehicle, and the more convenient relation is established, T=2FD=2µWD (3) If T has a greater value than this relation justifies the wheels will slip. F is called the " tractive force " at the rail.
The design combines ample boiler capacity with large adhesive weight and moderate axle loads, but except on heavy gradients or for unusually large trains requiring engines of great adhesion, passenger traffic can be more efficiently and economically handled by four-coupled locomotives of the eight-wheel or Atlantic types.
He constructed an apparatus in illustration, which he called a radiometer or lightmill, by pivoting a vertical axle carrying equidistant vertical vanes inside an exhausted glass bulb, one side of each vane being blackened and the other side bright, the blackened sides all pointing the same way round the axle.
This consists of an ordinary dip circle (see Inclinometer) in which the ends of the axle of the needle are pointed and rest in jewelled holes, so that the movements of the ship do not displace the needle.
There is a choice of four final-drive ratios for the Meritor rear axle, two for each gearbox.
However, a serious risk is that designers will place the rearmost axle well forward of the rear edge of the vehicle.
The eccentric is used to convert the rotary motion of the crank axle into the reciprocating motion required to operate the valve.
However from what I can see the axle would appear to be within factory spec !
I need to know the front and rear axle loadings for the vehicle " as stipulated by the manufacturer ".
Mariner, Dave Unicycle manufacturer since 1969, made the first production unicycle with a splined axle.
The front axle was removed as a complete unit from the body; the lower wishbone arm bolt was seized in its bush.
California provides a chart of legal weights based on the axle distance and number of axles.
The vehicle's weight can affect many systems in an automobile, including the brakes, tires, axle integrity, engine, and even the frame.
You can also measure your vehicle's gross weight by placing portable wheel axle scales under each axle in your car.
Electricity is applied through a separate locomotive attached to the head of the train, or through motor carriages attached either at one end or at both ends of the train, or by putting a motor on every axle and so utilizing the whole weight of the train for traction, all the motors being under a single control at the head of the train, or at any point of the train for emergency.
The substitution of steel for iron as the material for rails which made possible the axle loads and the speeds of Lto-day, and, by reducing the cost of maintenance, contributed enormously to the economic efficiency of railways, was one of the most important events in the history of railways, and a scarcely less important element of progressive economy has been the continued improvement of the steel rail in stiffness of section and in toughness and hardness of material.
Hence if all the energy supplied to the train is utilized at one axle there is the fundamental relation RV (I) Continuing the above arithmetical illustration, if the wheels to the axle of which the torque is applied are 4 ft.
It has many advantages for heavy high-speed service, namely, large and well-proportioned boiler, practically unlimited grate area, fire-box of favourable proportions for firing, fairly low centre of gravity, short coupling-rods, and, finally, a combination of the safe and smooth riding qualities of the fourcoupled bogie type, with great steaming capacity and moderate axle loads.