Shaft Couplings
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Gear Grip Flexible Shaft Couplings For the Mechanical Power Transmission Industry The Neoprene and Urethane rubber sleeve compounds provide excellent torsional vibration dampening, absorb load pulsations and minimize drive line shock. By-eye alignment eliminates precise measurement, minimizes assembly time and allows for "blind" assembly.

Non-corrosive metal ends and rubber compounds are not affected by moisture, dirt and abrasives. No lubrication is required. No metal to metal contact even when coupling shears.

FEATURES OF THE GEAR GRIP DESIGN

• Neoprene and Urethane rubber sleeve compounds provide excellent torsional vibration dampening, absorb load pulsations and minimize drive line shock. The load is distributed evenly over a wide splined contact area minimizing rubber deformation and wear while providing minimum backlash and wind-up. Gear Grip couplings handle the shock, cycling loads and vibration that produce extreme wear in other style couplings.
• By-eye alignment eliminates precise measurement, minimizes assembly time, requires no special tools and allows for "blind" assembly.
• Non-Corrosive metal ends and rubber compounds are not affected by moisture, dirt and abrasives. No lubrication, adjustments or maintenance is required. No metal-to-metal contact even if the couplings shears.
• Shear characteristics of the rubber sleeve can provide protection to the expensive drive train during extreme overloads, jamming or high shock. The sleeve can be sized to provide "mechanical fuse" function by shearing during overload. When the coupling fails, only the sleeve is replaced.
• Electrical isolation. No possibility of metal-to-metal contact under severe overload, wear or coupling failure.
• Compact, small diameter coupling with low moment of inertia.

CUSTOMER SPECIALS

We welcome engineered customers specials, metric bores and keyways to precision tolerances. Tapered bores for threaded engine shafts. Faced and drilled end fittings for clutch mounting. Split hubs with clamp features to provide extra holding power. Drop-out sleeves and couplings designed to meet pump requirements. Send your drawings or ideas for a quotation.

ALIGNMENT
Ideally, drive shaft should be aligned to minimize bearing load, vibration and wear on the coupling and bearings. Economics may dictate a "by-eye" alignment which normally is less than .020" to .035" of parallel misalignment and up to .090" of angular misalignment from the smallest to the largest coupling sizes. If excessive misalignment is unavoidable, consider lengthening the sleeve or consult Guardian for sleeve compounds best suited for the problem.

AXIAL OR END FLOAT
Allow .063" space between end fitting flanges and rubber sleeve for shaft float.

Select coupling on basis of torque or H.P., load and bore size required.

SR-Neoprene (85A Durometer) 250ºF Max. Temp.
SM- Molded Rubber (92A Durometer)
SF-Reinforced Neoprene (70A Durometer) 250ºF Max. Temp
SU-Urethane (95A Durometer) 175ºF Max Temp
Torque & Horsepower ratings based on Normal Duty at standard or minimum length.
Increased length may decrease torque capacity, but will improve misalignment allowance and shock dampening.
Keyway: metric, shallow or other special keyseats available upon request.
1 angular degree of twist = .01745 radians.

To Order: Specify coupling number, overall length, size of each bore and keyway size if desired.
Example: 56-PG 2 1/2, 3/4" x 1 1/8".

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