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32 teeth for use with L149Y-P mating bevel gear in 2:1 gear ratio applications
Straight bevel 90 degree mesh transmits mechanical power between perpendicular shafts
Pressure angle of 20 degrees for a lower contact ratio between gears, resulting in higher load capacity than smaller pressure angles
Low carbon steel (0.2 percent carbon) for applications where the hardness and strength of higher levels of carbon are not needed to transmit torque and motion
Unhardened teeth for applications where hardness and strength are not needed to transmit torque and motion
This Boston Gear L149Y-G bevel gear has a 16 diametral pitch, 32 steel teeth, and a straight bevel to transmit torque between perpendicular shafts to provide rotational power to another part of a motorized system. This bevel gear is intended for use with an L149Y-P bevel pinion gear for applications requiring a 2:1 gear ratio. It has a 0.500" bore diameter, is made of low carbon steel (0.2 percent carbon), and has unhardened teeth for applications where hardness and strength are not needed to transmit torque and motion. The 20 degree pressure angle provides a lower contact ratio between gears than a smaller pressure angle, resulting in higher load capacity. This gear is used only with its mating pinion gear because bevel gears can mesh only with gears that have the same pressure angle, spiral angle, and diametral pitch (that is, the number of teeth per inch). This Boston Gear bevel gear is suitable for use in a variety of commercial and industrial applications, such as construction equipment, aeronautics, conveyors, and manufacturing equipment, among others.
Bevel gears have a blunt-end cone shape with teeth along the cone face and are used for transmitting torque and motion between perpendicular rotating shafts. A bevel gear's pressure angle, spiral angle, diametral pitch (also called DP or pitch), and its material are important factors to consider. A bevel gear is part of a set of two gears, and the gear ratio for the set is determined by the number of teeth on each gear. Gears come in several types for use in different power transmission configurations and for different applications, including spur gears (for rotating shafts parallel to each other), change gears (to increase or decrease torque and speed), helical gears (for high rates of rotational speed), internal gears (where one gear is nested inside the other), rack and pinion gears (for turning rotational motion into linear motion), and worm gears (for perpendicular shafts in tight spaces and quiet operation). Gears are suitable for use in the agriculture, automotive, construction, mining, and packaging industries, and can be found in a variety of machines, including bicycles, automobiles, and elevators, among others.
"p"Boston Gear manufactures gears, gear drives, bearings, valves, shaft collars, couplings, and other power and fluid transmission components. The company, founded in 1877, is headquartered in Charlotte, NC, and meets International Organization for Standardization (ISO) standard 9001:2008 standard.
Charles H. Gay, Panorama of New London, Connecticut, ca. 1851, Daguerreotype, J. Paul Getty Museum, 84.XT.178
Luminous-Lint is used worldwide by curators, educators, photography students, photohistorians, collectors and photographers to better understand the many histories of photography.
Luminous-Lint uses 113,872 photographs from 3,813 different collections around the world to create detailed and well structured histories of photography.
Details on 21,041 photographers, using 50,245 different names, are included on Luminous-Lint with examples whenever possible.
Luminous-Lint includes 1,032 distinct, but interlinked, histories of photography that are evolving on a regular basis
The connections between photographs are critical to understanding and Luminous-Lint includes 12,990 visual indexes to assist.
Luminous-Lint helps curators with exhibition planning, displays difficult-to-find resources for those in education and encourages photographers to better understand their originality by placing it within a historical context.
Luminous-Lint enhances your understanding of photography.
Why those involved with photography love Luminous-Lint
"Luminous-Lint is unparalleled in its depth and quality of photo-historical content for photography curators, artists and photo-aficionados the world over."
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Goethe was too busy to write something...
GRAHAM HOWE CEO and owner, Curatorial Assistance, Pasadena
ROBERT HIRSCH Photo-historian, photographer and author of numerous books on photography
"I like going back to Luminous-Lint because: it is an extremely well written and well documented site incorporating many photo collections, and highlighting special clusters within the field."
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ELS BARENTS Director, Huis Marseille Museum voor Fotografie
KARL BADEN Boston College
"I refer to Luminous-Lint frequently to get a better and deeper visual understanding of photographic history; to look for new work and ideas. I also refer students - it is simply the most comprehensive and accessible database of its kind."
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NEIL FOLBERG Photographer and owner, Vision Gallery, Jerusalem, Israel
BARBARA TANNENBAUM Curator of Photography, Cleveland Museum of Art
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Luminous-Lint brings together photographs from thousands of public and private collections assisting in exhibition planning. We put people in contact who need to know each other.
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For collectors who are passionate about photography we collaborate to show their collections and integrate their discoveries into the global histories of photography. From vernacular photography to film envelopes we have it all.
Textbooks are expensive and can not possibly include the range of examples necessary to gain a thorough understanding of a topic. Luminous-Lint goes deeper frequently including all the illustrations from significant series accompanied by texts, footnotes and references.
Luminous-Lint helps photographers place their own work with the broader historical context. It encourages the open-minded to examine their own originality and improve their work.
Themes, or genres, are at the core of Luminous-Lint as they bring together photographs, texts, footnotes, reading lists for further research, photographers worth investigating, online exhibitions and visual indexes to build increasingly coherent histories. These evolve everyday as fellow enthusiasts contribute new images and insights.
Many confusing terms are used within Photohistory as a shorthand to explain time periods, stylistic choices in subject matter and compositions and groupings of photographers based on significant exhibitions. Naturalism, Surrealism, New Topographics, Orientalism and many other styles and movements are explained with examples.
Fragments are the building blocks used to construct Themes. They are constantly under change as new images and information arrive in. Nothing is fixed and it is part of the core philosophy of Luminous-Lint that knowledge evolves. Hundreds of changes happen every day to these Fragments.
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