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7.640 in
Lovejoy is pleased to be able to provide quality grid couplings covering a large number of industry standard sizes and lengths. The Lovejoy grid style coupling has proven itself in performance and popularity over a wide range of applications. Lovejoy’s grid style coupling design has demonstrated its ability to dampen vibration by as much as 30% and can cushion shock loads that could cause damage to both the driving and driven equipment. The tapered grid spring design absorbs impact energy by spreading the energy out over the full length of the grid spring thus reducing the magnitude of the torque spikes. The Lovejoy design uses a curved hub tooth profile which creates a progressive contact with the flexible grid spring as the application torque increases. This feature provides a more effective and efficient transmission of power in properly aligned couplings. Lovejoy’s versatile design of industry standard hubs and grid springs for both horizontal and vertical cover styles allow Lovejoy couplings to be interchangeable with other industry standard grid couplings and components. Proper grid coupling installation and maintenance can add to a longer coupling life. Grid spring replacement is simple and can be performed at a fraction of the cost and time of a complete coupling.
The Lovejoy Grid coupling is an ideal coupling for applications where excellent performance is desired and additional requirements for vibration dampening may exist. The Horizontal Split Cover design is recommended in applications where there may be some constraints on the diameter of the coupling. The vertical design is recommended for applications where higher speed is one of the requirements.
Features
- Designed for ease of maintenance and grid spring replacement
- High tensile grid springs ensure superior coupling performance and longer coupling life
- Split covers allow for easy access to grid springs
- Interchangeable with industry standard grid couplings
Specifications
| Description | 1080 HUB 1-3/4 3/8X3/16KW |
|---|---|
| Type | Grid Coupling |
| Hub Material | 1045 Steel |
| Style | Bored |
| Color | Gray/Metallic |
| Bore Type | Finished Bore and Keyway |
| Weight | 13.71 lb |
Dimensional Data
| Bore Size | 1 3/4 in |
|---|---|
| Set Screw Style Coupling Size (Dimension T) | 1/4-20 |
| Set Screw Style Coupling Location Size (Dimension SL) | 0.940 in23.88 mm |
| Keyway Size (W x D) | 3/8 x 3/16 in |
| Length thru Bore | 3.50 in88.90 mm |
| Overall Length | 7.120 in180.80 mm |
| Outside Diameter (Horiontal Style Cover) | 7.640 in194.00 mm |
| Outside Diameter (Vertical Style Cover) | 7.130 in181.10 mm |
| Min. Bore (Dimensions ID1/ID2) | 1.062 in27.00 mm |
| Max. Bore (Dimensions ID1/ID2) | 3.000 in76 mm |
| Dimension FD | 5.000 in127.00 mm |
| Dimension FL | 0.500 in12.70 mm |
| Dimension HD | 4.130 in104.90 mm |
| Dimension G1 | 0.118 in3.00 mm |
| Dimension L (Horizontal Style Cover) | 4.550 in115.57 mm |
| Dimension L (Vertical Style Cover) | 1.740 in44.20 mm |
| Dimension R | 3.500 in88.90 mm |
| Dimension SL | 0.940 in23.88 mm |
| Distance between Shaft Ends (Dimension G) - Normal Gap | 0.118 in3.00 mm |
| Cubic inches | 59.69915 in³ |
Performance Data
| Nominal Torque | 18150.00 in·lb |
|---|---|
| Max. Speed (Horizontal Style Cover) | 3600.00 rpm |
| Max. Speed (Vertical Style Cover) | 4750.00 rpm |
| Max. Parallel Misalignment at Installation (Dimension P) | 0.0080 in |
| Max. Parallel Misalignment during Operation (Dimension P) | 0.016 in |
| Max. Angular Misalignment at Installation (X-Y) | 0.006 in |
| Max. Angular Misalignment during Operation (X-Y) | 0.024 in |
Coupling Part Numbers
| Lovejoy Grid Coupling Size | 1080 |
|---|---|
| Falk Steelflex Horizontal Cover Style Coupling Part Number | 1080T10 |
| Morse / Browning Grid-Flex Horizontal Cover Style Coupling Part Number | GF2080H |
| Dodge Grid-Lign Horizontal Cover Style Coupling Part Number | 1080T10 |
| Kop-Flex / Kop-Grid Horizontal Cover Style Coupling Part Number | 1080H |
| Falk Steelflex Vertical Cover Style Coupling Part Number | 1080T20 |
| Morse / Browning Grid-Flex Vertical Cover Style Coupling Part Number | GF2080V |
| Dodge Grid-Lign Vertical Cover Style Coupling Part Number | 1080T20 |
| Kop-Flex / Kop-Grid Vertical Cover Style Coupling Part Number | 1080V |
Features
- High tensile, shot-peened alloy steel grid springs and precision machined hubs ensure superior coupling performance and long life.
- Lovejoy’s grid couplings with tapered grids are designed to be interchangeable with other industry standard grid couplings with both horizontal and vertical grid covers.
- Lovejoy grid couplings are designed for ease of installation and maintenance reducing labor and downtime costs.
- The torsional flexibility and resilience of Lovejoy grid couplings helps reduce vibration and cushions shock and impact loads.
- Cover fasteners can be provided in either Inch or Metric sizes.
- Excellent for use in applications where the equipment is close coupled or spaced apart requiring a spacer style coupling arrangement.
- Stock spacer designs are available or requests for custom spacer lengths can be addressed by Lovejoy engineering.
Notes
- Size 1020 thru 1090 hubs are provided with clearance fit bores and 2 set screws at 90°.
- Size 1100 thru 1200 hubs are provided with interference fit bores and no set screws.
Lovejoy machines Inch bores and keyways to meet tolerances define in the ANSI/AGMA 9002-B04 Standard.
#1295812
Brand
Falk
Model
0713148
#6490899
Brand
Martin Sprocket
Model
1080T-HUB1 3/4
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