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Stock Gear Catalog
Stock Gear Catalog
Arrow Gear Company, founded in 1947, specializes in manufacturing high precision gears such as spur, helical, and bevel gears. The company focuses on customer satisfaction through continuous improvement, advanced technology, and reliable delivery.
Types of Gears and Sizes
The document details various gear types including Spiral Bevel, Zerol® Bevel, Coniflex® Bevel, Helical, Internal Spur, Internal Spline, Spur, and Spline. Each type has specific maximum diameters, pitch ranges, and face widths, with quality ratings based on AGMA standards.
Rating Data and Specifications
Arrow Gear's stock gears are either lapped to AGMA Quality Number 9 or ground to AGMA Quality Number 11. Made from alloy steel with carburized and hardened teeth, they feature a 20° pressure angle and 35° spiral angle. Torque and service factor calculations are provided for proper gear selection.
Stock Gear Specifications
Specifications for stock gears include dimensions, torque capacities, and weight. Information on stock spiral bevel gears in various ratios and options for custom modifications is also provided.
Design Considerations
Key design considerations include bearing loads, installation, mountings, bearing patterns, and application guidelines, all crucial for optimal gear performance and longevity.
Conclusion
Arrow Gear Company offers a wide range of high precision gears with detailed specifications and design considerations to meet diverse industrial needs, emphasizing quality and customer satisfaction through continuous improvement and advanced technology.
The document provides detailed instructions on mounting gears and bearings, focusing on taper roller bearings. It highlights the importance of indirect mounting to effectively absorb thrust loads, recommending preloading of bearings to eliminate initial freedom.
Figures and Illustrations
Figures illustrate various mounting arrangements, such as straddle mounting for spiral bevel pairs and setups for long shafts to prevent temperature-induced position changes, aiding in correct setup understanding.
Bearing Pattern and Error Correction
The document emphasizes checking the bearing pattern using a marking compound, outlining expected contact patterns and solutions for correcting errors like profile error, cross contact, and shaft angle error to achieve a desirable bearing pattern.
Application Engineering Information
This section gathers application-specific data, including quantity, application type, gear ratio, load type, and gear data, stressing the need for an assembly print or sketch for proper design and functionality.
Enclosed Drives and Additional Requirements
Requirements for enclosed drives, including shaft requirements, duty cycle, and lubrication type, are covered. The document highlights specifying unusual design parameters and provides contact information for further assistance.
Catalog excerpts
Since its inception in 1947, Arrow Gear Company has continued to build a solid reputation for quality, service and reliability. From the very beginning, Arrow has provided high precision spur, helical and bevel gears that meet the rapidly changing and demanding requirements of the gear industry.Arrows primary goal is to insure customer satisfaction by improving the manufacturing process, eliminating waste, and delivering a quality product on time at a competitive price.To achieve these objectives, Arrow has embraced the continuous improvementphilosophy while implementing the most advanced technology...
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If the gear shaft does not pass infront of the pinion use a dummy shaft for taking measurements. Mounting distance After the pinion is mounted the gear is located bysetting it to have the proper amount of backlash. Recommended gaging dimensions forlocating pinion from gear shaft to flaton front of teeth.Spacing collar is ground toproper thickness in assembly. Fig. 28 - Measuring or gaging as shown is the recommended method for locating the pinion. Pinion should be set to mounting distance marked on pinion, and gear should be adjusted to give correct backlash.Courtesy: The Gleason Works >
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Set NumberMating TeethMounting BacklashDistance Fig. 29 - All Arrow Stock Gears are marked with theabove assembly information. >
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MOUNTINGS Fig. 30 - Typical straddle mounting for both members of a spiral bevel pairFig. 31 - This mounting is another form of bearing arrangement for overhung pinions. Fig. 32 - Straddle pinion mounting for short shafts showing use of combined thrust and radialbearings. Gear mounted in oil-tight case.Fig. 33 - Arrangement recommended for long shafts to prevent temperature changes affecting position of gear mounted in oil-tight case. Acknowledgment is gratefully extended to Gleason Works, Rochester, New York and to the American GearManufacturers Association for portions of the text and illustrative...
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Desirable Bearing Pattern > BEARING PATTERN PROFILE ERRORTo correct: decrease mounting distancePROFILE ERRORTo correct: increase mounting distance CROSS CONTACTTo correct: move pinion downCROSS CONTACTTo correct: move pinion up SHAFT ANGLE ERRORTo correct: decrease shaft angleSHAFT ANGLE ERRORTo correct: increase shaft angle > ERROR ERROR ERROR ERROR ERROR CONVEX SIDEHIGH TOE CONTACTCONVEX SIDELOW HEEL CONTACTCONCAVE SIDEHIGH HEEL CONTACT CONVEX SIDEHEEL CONTACTCONCAVE SIDETOE CONTACT CONVEX SIDETOE CONTACTCONCAVE SIDETOE CONTACTCONVEX SIDEHEEL CONTACTCONCAVE SIDEHEEL CONTACT CONVEX SIDETOE CONTACTCONCAVE...
Open the catalog to page 18All Arrow Gear Company catalogs and technical brochures
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