Kop-Flex WALDRON, FLEXALIGN Catalog Page
WALDRON
®
FLEXALIGN
®
Gear Couplings
Size 1 through 7
HIGH STRENGTH 40° TOOTH
SUPERIOR HIGH
MISALIGNMENT SEAL
ECONOMICAL
GEAR COUPLING DESIGN
POWERLIGN® FLANGELESS
COUPLINGS FOR A RUGGED,
COMPACT DESIGN
Index:
Page
HOW TO ORDER ........................................ 161
Technical Advantages.......................... 158 - 159
Service Factors ............................................ 160
Selection Procedure .................................... 161
Fastener Data .............................................. 161
Full Flex Coupling ......................................... 162
Spacer Coupling ........................................... 163
Flex Rigid Coupling ...................................... 164
Floating Shaft Coupling ................................ 164
Limited End Float Coupling .......................... 165
Vertical Coupling .......................................... 165
Short Slide Coupling .................................... 166
Medium Slide Coupling ............................... 166
TAPER-LOCK* Coupling .............................. 167
POWERLIGN® Coupling ............................... 168
* Taper-Lock is believed to be the trademark and/or trade name of Reliance Electric
Company, and is not owned or controlled by Regal Power Transmission Solutions.
157 157
157
WALDRON® ADVANTAGES:
IMPROVED SOFT SEAL offers superior sealing under
misaligned conditions.
UNIQUE TOOTH FORM using a 40° pressure angle,
distributes the load over a larger area than couplings
which use a 20° pressure angle.
FULL TOOTH ENGAGEMENT reduces uneven wear on teeth
that results in longer life plus improved performance.
QUALITY EXPOSED FASTENERS consists of SAE Grade 5
bolts with hex nuts and lock washers. Installation is
simple, without special tools. Shrouded bolts optional.
CLEAR RUST INHIBITIVE AND CORROSION RESISTANT FINISH
protects coupling in normal industrial environments.
AVAILABLE OFF-THE-SHELF in reborables with large bore
capabilities or stock finish bored.
OPTIONAL PILOT RINGS provides positive register between
identical halves. Eliminates selective assembly required
in male, female sleeves.
WALDRON® GEAR COUPLINGS
WALDRON® Size 1-7
INTERCHANGEABLE by half coupling with competitive
coupling designs.
HIGHER MISALIGNMENT CAPABILITY sizes 1-7
compensate for up to ±1 1/2° static angular
misalignment per gear mesh.
40° LINE
OF ACTION
massive
40° TOOTH
CONVENTIONAL
20° TOOTH
COMPARABLE
INVOLUTE
CURVATURES
20° LINE
OF ACTION
Advantages of the 40° Pressure Angle Tooth
• STRONGER TOOTH
The line of action of the force exerted at the pitch line
of the new Performance Profile crosses the root circle
near the center of the tooth rather than outside the
tooth, as in the case of conventional gear teeth. The
result is an appreciable reduction in root stress which
helps protect against tooth damage.
• GREATER TOOTH CONTACT AREA
The profile of the tooth is significantly flatter due to
the large involute radius of curvature. This causes the
load to be distributed over a larger area. As a result,
compressive stresses, lubricant film pressure and
tooth wear are minimized.
• GREATER SLEEVE CENTERING ABILITY
The 40° pressure angle tooth produces greater radial
forces which helps to maintain sleeve concentricity with
respect to the axis of rotation. As a result, inherent
unbalance and centrifugal forces are minimized and
a smooth and efficient operation is imparted to the
coupling.
• INCREASED ARC OF CONTACT
With the 40° pressure angle tooth there is less
tendency for some of the teeth to lose contact during
misalignment. This prevents a drastic reduction in
torque rating with increased misalignment.
158
20° vs. 40° Tooth Comparison
on the same pitch diameter
• INCREASED STRENGTH AND DURABILITY
Under maximum loading and misaligned conditions,
the stronger tooth, the greater intimacy between the
teeth and the increased arc of contact all combine to
produce a coupling unit that is additionally rugged
and efficiently useful for longer periods of time.
WALDRON® GEAR COUPLINGS
16
19
22
21
35
35
48
41
52
55
69
7
79
FULL ENGAGEMENT TEETH
The WALDRON® gear coupling has been designed
with full length tooth engagement with the inherent
result of longer life and improved performance.
OPTIONAL PILOT RINGS
HIGH MISALIGNMENT SEAL
Competitive gear couplings incorporate an O-ring seal.
In order to conform with today’s high misalignment
capacities, this O-ring must fit into a groove that is
larger than the ring. WALDRON® couplings use a truly
high misalignment seal that seals remarkably under
misaligned conditions.
WALDRON POWERLIGN
The standard WALDRON® coupling consists of two
identical half couplings. Optional precision steel pilot
rings are available when more accurate centering of the
two sleeves is required.
This flangeless design transmits identical torques as
the standard WALDRON® Coupling. Having a smaller
outside diameter, however, it is more compact, lighter,
and can run at greater speeds.
This alternative may be selected for applications where
space is limited.
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159
Values listed are intended only as a general
guide, and are typical of usual service
requirements. For systems which frequently
utilize the peak torque capability of the power
source, verify that the magnitude of this peak
torque does not exceed the 1.0 Service Factor
Rating of the coupling selected. Applications
which involve extreme repetitive shock or
high-energy load absorption characteristics
should be referred — with full particulars —
to KOP-FLEX.
Values contained in the table are to be
applied to smooth power sources such as
electric motors and steam turbines. For drives
involving internal combustion engines of four
or five cylinders, add 1.0 to the values listed;
for six or more cylinders, add 0.5 to the values
listed. For systems utilizing AC or DC Mill
Motors as the prime mover, refer to Note (1)
CAUTION: All people moving plus overhead
crane applications must be referred to
engineering..
Typical
Application Service
Factor
AGITATORS
Pure Liquids ...........................................................1.0
Liquids & Solids ......................................................1.25
Liquids — Variable Density .....................................1.25
BLOWERS
Centrifugal ..............................................................1. 0
Lobe .......................................................................1.5
Vane .......................................................................1.25
BRIQUETTE MACHINES .................................................2.0
CAR PULLERS — Intermittent Duty................................1.5
COMPRESSORS
Centrifugal ..............................................................1. 0
Centriaxial ...............................................................1.25
Lobe .......................................................................1.5
Reciprocating — Multi-Cylinder ..............................2.0
CONVEYORS — LIGHT DUTY
UNIFORMLY FED
Apron, Bucket, Chain, Flight, Screw .......................1.25
Assembly, Belt .......................................................1. 0
Oven .......................................................................1.5
CONVEYORS — HEAVY DUTY
NOT UNIFORMLY FED
Apron, Bucket, Chain, Flight, Oven ........................1.5
Assembly, Belt .......................................................1.25
Reciprocating, Shaker ............................................2.5
CRANES AND HOISTS (NOTE 1 and 2)
Main hoists, Reversing ...........................................2.5
Skip Hoists, Trolley & Bridge Drives .......................2.0
Slope ......................................................................2.0
CRUSHERS
Ore, Stone ..............................................................3.0
DREDGES
Cable Reels ............................................................1.75
Conveyors ..............................................................1. 5
Cutter Head Jig Drives ...........................................2.5
Maneuvering Winches ............................................1.75
Pumps ....................................................................1.75
Screen Drives .........................................................1.75
Stackers..................................................................1.75
Utility Winches .......................................................1.5
ELEVATORS (NOTE 2)
Bucket ....................................................................1.75
Centrifugal & Gravity Discharge .............................1.5
Escalators ...............................................................1. 5
Freight ....................................................................2.5
FANS
Centrifugal ..............................................................1. 0
Cooling Towers .......................................................1. 5
Forced Draft............................................................1.5
Induced Draft without Damper
Control ................................................................2.0
FEEDERS
Apron, Belt, Disc, Screw ........................................1.25
Reciprocating .........................................................2.5
Typical
Application Service
Factor
GENERATORS —
(Not Welding) ............................................................1.0
HAMMER MILLS ...........................................................2.0
LAUNDRY WASHERS —
Reversing ..............................................................2.0
LAUNDRY TUMBLERS ....................................................2.0
LINE SHAFT ..................................................................1. 5
LUMBER INDUSTRY
Barkers — Drum Type ...............................................2.0
Edger Feed ................................................................2.0
Live Rolls ...................................................................2.0
Log Haul — Incline ....................................................2.0
Log Haul — Well type ...............................................2.0
Off Bearing Rolls .......................................................2.0
Planer Feed Chains ...................................................1.75
Planer Floor Chains ...................................................1.75
Planer Tilting Hoist ....................................................1.75
Slab Conveyor ...........................................................1.5
Sorting Table ..............................................................1.5
Trimmer Feed ............................................................1.75
MARINE PROPULSION
Main Drives ...............................................................2.0
MACHINE TOOLS
Bending Roll ..............................................................2.0
Plate Planer ...............................................................1. 5
Punch Press — Gear Driven ......................................2.0
Tapping Machines .....................................................2.5
Other Machine Tools
Main Drives ...........................................................1.5
Auxiliary Drives .....................................................1.25
METAL MILLS
Draw Bench — Carriage ............................................2.0
Draw Bench — Main Drive .......................................2.0
Forming Machines ....................................................2.0
Slitters .......................................................................1.5
Table Conveyors
Non-Reversing ......................................................2.25
Reversing .............................................................2.5
Wire Drawing & Flattening Machine .........................2.0
Wire Winding Machine ..............................................1.75
METAL ROLLING MILLS (NOTE 1)
Blooming Mills ..........................................................*
Coilers, hot mill .........................................................2.0
Coilers, cold mill ........................................................1.25
Cold Mills ..................................................................2.0
Cooling Beds .............................................................1.75
Door Openers ...........................................................2.0
Draw Benches ...........................................................2.0
Edger Drives .............................................................1.75
Feed Rolls, Reversing Mills .......................................3.5
Furnace Pushers .......................................................2.5
Hot Mills ...................................................................3.0
Ingot Cars .................................................................2.5
Kick-outs ...................................................................2.5
Manipulators .............................................................3.0
Merchant Mills ..........................................................3.0
Piercers .....................................................................3.0
Pusher Rams .............................................................2.5
Reel Drives ................................................................1.75
Reel Drums ...............................................................2.0
Reelers ......................................................................3.0
Rod and Bar Mills ......................................................1.5
Roughing Mill Delivery Table .....................................3.0
Runout Tables
Reversing ..............................................................3.0
Non-Reversing ......................................................2.0
Saws, hot & cold .......................................................2.5
Screwdown Drives ....................................................3.0
Skelp Mills.................................................................3.0
Slitters .......................................................................3.0
Slabbing Mills ............................................................3.0
Soaking Pit Cover Drives ...........................................3.0
Straighteners ............................................................2.5
Tables, transfer & runout ...........................................2.0
Thrust Block ..............................................................3.0
Traction Drive ............................................................3.0
Tube Conveyor Rolls ..................................................2.5
Unscramblers ............................................................2.5
Wire Drawing ............................................................1.5
MILLS, ROTARY TYPE
Ball ............................................................................2.25
Dryers & Coolers ......................................................2.0
Hammer ....................................................................1.75
Kilns ..........................................................................2.0
WALDRON® GEAR COUPLINGS
SERVICE FACTORS
Typical
Application Service
Factor
Pebble & Rod ............................................................2.0
Pug ............................................................................1.75
Tumbling Barrels .......................................................2.0
MIXERS
Concrete Mixers .......................................................1.75
Drum Type .................................................................1. 5
OIL INDUSTRY
Chillers ......................................................................1.25
Paraffin Filter Press ...................................................1.75
PAPER MILLS
Barker Auxiliaries, Hydraulic ......................................2.0
Barker, Mechanical ....................................................2.0
Barking Drum Spur Gear Only ...................................2.25
Beater & Pulper .........................................................1.75
Bleacher ....................................................................1.0
Calenders ..................................................................2.0
Chippers ....................................................................2.5
Coaters .....................................................................1. 0
Converting Machines,
except Cutters, Platers ...........................................1.5
Couch Roll .................................................................1.75
Cutters, Platers .........................................................2.0
Cylinders ...................................................................1.75
Disc Refiners.............................................................1.75
Dryers .......................................................................1.75
Felt Stretcher ............................................................1.25
Felt Whipper ..............................................................2.0
Jordans .....................................................................1.75
Line Shaft ..................................................................1.5
Log Haul ....................................................................2.0
Pulp Grinder ..............................................................1.75
Press Roll ..................................................................2.0
Reel ...........................................................................1.5
Stock Chests .............................................................1.5
Suction Roll ...............................................................1.75
Washers & Thickeners ...............................................1. 5
Winders ....................................................................1. 5
PRINTING PRESSES ......................................................1. 5
PULLERS — Barge Haul ................................................2.0
PUMPS
Centrifugal ................................................................1. 0
Boiler Feed ................................................................1.5
Reciprocating
Single Acting
1 or 2 Cylinders ....................................................2.25
3 or more Cylinders ..............................................1.75
Double Acting ...........................................................2.0
Rotary, Gear, Lobe, Vane ...........................................1. 5
RUBBER INDUSTRY
Mixer — Banbury ......................................................2.5
Rubber Calendar .......................................................2.0
Rubber Mill (2 or more) .............................................2.25
Sheeter .....................................................................2.0
Tire Building Machines ..............................................2.5
Tire & Tube Press Openers .......................................1.0
Tubers & Strainers ....................................................2.0
SCREENS
Air Washing ...............................................................1.0
Grizzly .......................................................................2.0
Rotary — Stone or Gravel .........................................1. 5
Traveling Water Intake ...............................................1.25
Vibrating ....................................................................2.5
SEWAGE DISPOSAL EQUIPMENT
Bar Screens...............................................................1.25
Chemical Feeders .....................................................1.25
Collectors, Circuline or Straightline ...........................1.25
Dewatering Screens .................................................1.25
Grit Collectors ...........................................................1.25
Scum Breakers..........................................................1.25
Slow or Rapid Mixers ................................................1.25
Sludge Collectors ......................................................1.25
Thickeners .................................................................1.25
Vacuum Filters ..........................................................1.25
STEERING GEAR .............................................................1. 0
STOKERS .......................................................................1. 0
WINCH ..........................................................................1. 5
WINDLASS ....................................................................1.75
* Refer to KOP-FLEX
NOTES
(1) Maximum Torque at the coupling must not exceed
Rated Torque of the coupling.
(2) Check local and industrial safety codes.
160
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