Bf1 Series 10-28mm Aluminum Alloy Full Encoder Coupling - Od55mm* L78mm

Features:
Fail-safe - will still perform if elastomer fails
No metal to metal contact
Resistant to oil, dirt, sand, moisture and grease
More than 850,000 combinations of bore sizes
Most types available from stock in 24 hours

The Jaw Type couplings from YUMO are offered in the industry's largest variety of stock bore/keyway combinations. These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications.

Applications: 
Include power transmission to industrial equipment such as pumps, gear boxes, compressors, blowers, mixers, and conveyors.YUMO's Jaw Type couplings are available in 24 sizes from a minimum torque rating of 3.5 in-lbs (0.4 Nm) to a maximum torque rating of 170,004 in-lbs (19209 Nm) and a bore range of .125 inches (4.45mm) to 7 inches (178mm). Lovejoy's standard bore program covers AGMA, SAE, and DIN bore/keyway and spline bore combinations.

YUMO Jaw Type couplings generally consist of two hubs (available in sintered metal, aluminum, bronze, steel, stainless steel, and ductile iron), and an elastomer element, known as a spider or cushion (materials available include NBR SOX rubber, Urethane, Hytrel, and Bronze).


 

 

Motorcycle Steering & Transmission System

Steering Racks

Rack-and-pinion steering  is quickly becoming the most common type of steering on cars, small trucks and SUVs. It is actually a pretty simple mechanism. A rack-and-pinion gearset is enclosed in a metal tube, with each end of the rack protruding from the tube. A rod, called a tie rod , connects to each end of the rack.

The pinion gear is attached to the steering shaft . When you turn the steering wheel, the gear spins, moving the rack. The tie rod at each end of the rack connects to the steering arm  on the  spindle.

The rack-and-pinion gear set does two   things:

On most cars, it takes three to four complete revolutions of the steering wheel to make the wheels turn from lock to lock (from far left to far right).

The    steering ratio    is the ratio of how far you turn the steering wheel to how far the wheels turn. For instance, if one complete revolution (360 degrees) of the steering wheel results in the wheels of the car turning 20 degrees, then the steering ratio is 360 divided by 20, or 18: 1. A higher ratio means that you have to turn the steering wheel more to get the wheels to turn a given distance. However, less effort is required because of the higher  gear ratio .

Generally, lighter, sportier cars have lower steering ratios than larger cars and trucks. The lower ratio gives the steering a quicker response-you don't have to turn the steering wheel as much to get the wheels to turn a given distance- which is a desirable trait in sports cars. These smaller cars are light enough that even with the lower ratio, the effort required to turn the steering wheel is not excessive.

Some cars have  variable-ratio steering  , which uses a rack-and-pinion gear set that has a different tooth pitch (number of teeth per inch) in the center than it has on the outside. This makes the car respond quickly when starting a turn (the rack is near the center), and also reduces effort near the wheel's turning limits.

Power Rack-and-pinion

When the rack-and-pinion is in a power-steering system, the rack has a slightly different design.

Steering Racks

Steering Racks,Auto Steering Systems,Aluminum Mold Steering Racks,Aluminum Auto Steering Systems

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