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if(window.history && history.replaceState && document.location.hostname.match(/^(youtube\.)?(\w{2,3}\.)?wn\.com$/)){ if(path == main_tab || path == main_tab+'/' || path == '' || path == '/') { path = basepath; } else if( path.match('^'+main_tab+'/') ){ path = basepath + '/' + path.replace(main_tab+'/', '').replace('--','/'); } else { path = basepath + '/' + path.replace('--','/'); } if(document.location.search){ path += document.location.search; } if(window.lastHistory) { history.pushState(null, null, path); } else if(window.lastHistory != path){ history.replaceState(null, null, path); window.lastHistory = path; } } else{ path = path.replace('--','/'); if(path == main_tab || path == main_tab+'/' || path == '' || path == '/') { path = ''; } if(window.lastHistory != '/'+path){ window.location.hash = path? '/'+path : ''; window.lastHistory = '/'+path; } } }); $('.tabtrigger li a').live('click', ensure(function() { var tab = $(this).attr('id'); if(tab.substring(0,1) == '#'){ var name = tab.substring(1); if(name in menu_names){ name = menu_names[name][0]; } realTab = rev_names[name]; $('#'+realTab).show(); if(window.console && console.log) console.log("Triggering tab: "+name+(window.activeArea?" activeArea="+window.activeArea:'')); var path = name; if(window.activeArea){ path = path + '/' + window.activeArea; } if(tab.match(/#playlist\d+/) || tab.match(/#details\d+/)){ $('.multiple-playlists').show(); $('.related_playlist').show(); $('.longest_videos_playlist').show(); }else { $('.multiple-playlists').hide(); $('.related_playlist').hide(); $('.longest_videos_playlist').hide(); } // start the related script only when the tab is on screen showing if (tab.match(/related_sites/)) { if (mc) { mc.startCredits(); } } window.activeTab = realTab; addHistory(path); setTimeout(ensure(function(){ if(tab.match(/language--/)){ $('.tabtrigger').offscreentabs('activateTab', 'language'); } if(tab.match(/weather/)) { $('.tabtrigger').offscreentabs('activateTab', 'weather'); loadContinent(); } updateMenus(tab); updateHeight(); }), 10); } return false; })); }); -->

Bend radius

Bend radius, which is measured to the inside curvature, is the minimum radius one can bend a pipe, tube, sheet, cable or hose without kinking it, damaging it, or shortening its life. The smaller the bend radius, the greater is the material flexibility (as the radius of curvature decreases, the curvature increases). The diagram below illustrates a cable with a seven-centimeter bend radius.

The minimum bend radius is the radius below which an object such as a cable should not be bent.

Fiber optics

The minimum bend radius is of particular importance in the handling of fiber-optic cables, which are often used in telecommunications. The minimum bending radius will vary with different cable designs. The manufacturer should specify the minimum radius to which the cable may safely be bent during installation, and for the long term. The former is somewhat smaller than the latter. The minimum bend radius is in general also a function of tensile stresses, e.g., during installation, while being bent around a sheave while the fiber or cable is under tension. If no minimum bend radius is specified, one is usually safe in assuming a minimum long-term low-stress radius not less than 15 times the cable diameter.

Podcasts:

  • Cable Bending Radius: Don't make this mistake

    Maintaining the bending radius of a cable during and after installation is a critical criterion for safety and performance. This video looks at the bending radius of power, data and fibre optic cables. We also explore the features included in Marshall Tufflex dado trunking which help electricians when installing cables. Learn more about the Marshall Tufflex Stirling Dado trunking used in this video. 👉 https://youtu.be/33-cyqeaNnU ================================ 🔦 More electrical Q&A videos from eFIXX 👉 https://www.efixx.co.uk/electricians-questions ================================ 🆕 FREE CPD Learn about new applications, regulations and best practices with our FREE CPD modules. - New modules are released monthly, covering everything from surge protection to lighting. 👉http://hub.ef...

    published: 12 Jan 2023
  • AVT 206 A&P - P2 - Developing Sheet Metal Flats - The Math Behind the Bends

    This video is an explanation of the math on the FAA Airframe test. You can learn to bend metal without doing this math - but this video is about doing the math. It explains how setback, bend allowance, bend radius, and sight lines work when bending a radiused corner on the brake. Using the analogy of turning a corner in an automobile, all of the appropriate formulas are developed and explained. This is delivered classroom style, with my bad attempt at green screening. Sorry about the poor appearance. This fits in with my sheet metal series project 2. For those interested in more details, I have a follow up video explaining how to apply these formulas to non-90 degree bends. I also have several examples showing the math.

    published: 06 Feb 2017
  • Making a Radius Bending Fixture for Sheetmetal

    Ron Covell shows how easy it is to build a radius bending attachment that mounts to a workbench. You can help me create new videos by becoming a Patreon. Here’s the link: https://www.patreon.com/RonCovell I have lots more YouTube videos, and here's a link to my website - which lists 20 full-length videos you can rent, stream, or download, plus the Covell line of fine-quality metalworking tools: https://covell.biz/ You can see the great Covell shirts, cups, and stickers here: https://rons-store-10.creator-spring.com Special thanks to all my sponsors on Patreon: Trevor Kam, Jonathan K, William Longyard, Dominic Peterson, Jonathan Hodgins, Ben Hengst, Bill Kerr, Christopher Culbreath, Wes Fullenwider, Gordon Stipe, Teemu Vartiainen, Matt Maurin, Terry Doss, Clifton Ballad, R Rickel, Dona...

    published: 27 Sep 2018
  • Radius bending for sheet metal

    published: 09 Mar 2021
  • Radius Channel Bend

    Custom press brake tooling from Wilson Tool International www.wilsontool.com

    published: 17 Dec 2015
  • Why is Sheet Metal "Bend Radius" so Important ?

    Sheet metal is popular due to its strength, durability and manufacturability. When you design for this medium, there are some guidelines that you should follow, especially when it comes to bending it. One is an important feature called the "bend radius." Much more information on this Tech Tip is available at: https://rapidmanufacturing.com/the-ins-and-outs-of-sheet-metal-bend-radius Explore more sheet metal fabrication and CNC machining tech tips on our Rapid Blog: https://rapidmanufacturing.com/engineers-toolbox/#blog

    published: 26 Nov 2018
  • Bend Radius - EXFO's Animated Glossary of Fiber Optics

    Find more Glossary: http://www.exfo.com/Support-and-Services/Be-an-Expert-Training-Program/Animated-Optical-Glossary/ The minimum radius that a fiber optic cable can be bent without loss of light or impairment. The radius varies with different cable designs but follows a general rule that it be no less than 15 times the cable diameter. EXFO's Be-an-Expert Program has produced the world's first animated glossary of fiber optic terms. Including concise definitions and animated sequences, this tool provides a great reference for anyone that wishes to understand fiber terminology.

    published: 25 Jul 2011
  • Common sheet metal design Basic rules or guidelines: Minimum Bend Radius

    Welcome to Kreatorzone! On this sheet metal design series you will find the recommended common sheet metal design guidelines in Sheet metal Minimum Bend Radius. Hit that like button and share the video to support us to make more content like these DISCLAIMER: Do not use or reuse the video for commercial or non-commercial purposes

    published: 14 Sep 2021
  • Alex Kontorovich: Arithmetic Groups and Sphere Packings (NTWS 080)

    Abstract: We discuss recent progress on understanding connections between the objects in the title. Link to slides: https://drive.google.com/file/d/1ipWFpSir5EDEK4f_qPRY_YUM5WaeHIh9 Number Theory Web Seminar: https://www.ntwebseminar.org Original air date: Thursday, May 13, 2021 (8am PDT, 11am EDT, 4pm BST, 5pm CEST, 6pm Israel Daylight Time, 8:30pm Indian Standard Time, 11pm CST) Friday, May 14, 2021 (1am AEST, 3am NZST)

    published: 06 Aug 2023
  • What is Bend Radius?

    https://blog.flexaust.com/blog/hose-bend-radius-essentials A hose’s bend radius determines how long a hose needs to be before it can safely bend while in service. Understanding bend radius helps ensure a hose will have the necessary strength and functionality for its intended use case. Failing to account for bend radius limits will ultimately cause damage to hoses and shorten their usable service life.

    published: 06 Feb 2020
developed with YouTube
Cable Bending Radius: Don't make this mistake
4:58

Cable Bending Radius: Don't make this mistake

  • Order:
  • Duration: 4:58
  • Uploaded Date: 12 Jan 2023
  • views: 15290
Maintaining the bending radius of a cable during and after installation is a critical criterion for safety and performance. This video looks at the bending radius of power, data and fibre optic cables. We also explore the features included in Marshall Tufflex dado trunking which help electricians when installing cables. Learn more about the Marshall Tufflex Stirling Dado trunking used in this video. 👉 https://youtu.be/33-cyqeaNnU ================================ 🔦 More electrical Q&A videos from eFIXX 👉 https://www.efixx.co.uk/electricians-questions ================================ 🆕 FREE CPD Learn about new applications, regulations and best practices with our FREE CPD modules. - New modules are released monthly, covering everything from surge protection to lighting. 👉http://hub.efixx.co.uk/CPD​ ================================ 📍SUBSCRIBE TO THE CHANNEL eFIXX helps electricians, electrical contractors, building services engineers, and electrical apprentices. So if you've been on the tools for years or just starting your electrical journey, we'll help you stay up to date with the latest regulations and developments in the electrical industry. 👉http://hub.efixx.co.uk/youtube-subscribe ======================================== 📺 NEW TO THE CHANNEL? Watch our essential videos playlist 👉 http://hub.efixx.co.uk/essentials ========================================= #efixx
https://wn.com/Cable_Bending_Radius_Don't_Make_This_Mistake
AVT 206 A&P - P2 - Developing Sheet Metal Flats - The Math Behind the Bends
15:56

AVT 206 A&P - P2 - Developing Sheet Metal Flats - The Math Behind the Bends

  • Order:
  • Duration: 15:56
  • Uploaded Date: 06 Feb 2017
  • views: 393492
This video is an explanation of the math on the FAA Airframe test. You can learn to bend metal without doing this math - but this video is about doing the math. It explains how setback, bend allowance, bend radius, and sight lines work when bending a radiused corner on the brake. Using the analogy of turning a corner in an automobile, all of the appropriate formulas are developed and explained. This is delivered classroom style, with my bad attempt at green screening. Sorry about the poor appearance. This fits in with my sheet metal series project 2. For those interested in more details, I have a follow up video explaining how to apply these formulas to non-90 degree bends. I also have several examples showing the math.
https://wn.com/Avt_206_A_P_P2_Developing_Sheet_Metal_Flats_The_Math_Behind_The_Bends
Making a Radius Bending Fixture for Sheetmetal
4:48

Making a Radius Bending Fixture for Sheetmetal

  • Order:
  • Duration: 4:48
  • Uploaded Date: 27 Sep 2018
  • views: 1089679
Ron Covell shows how easy it is to build a radius bending attachment that mounts to a workbench. You can help me create new videos by becoming a Patreon. Here’s the link: https://www.patreon.com/RonCovell I have lots more YouTube videos, and here's a link to my website - which lists 20 full-length videos you can rent, stream, or download, plus the Covell line of fine-quality metalworking tools: https://covell.biz/ You can see the great Covell shirts, cups, and stickers here: https://rons-store-10.creator-spring.com Special thanks to all my sponsors on Patreon: Trevor Kam, Jonathan K, William Longyard, Dominic Peterson, Jonathan Hodgins, Ben Hengst, Bill Kerr, Christopher Culbreath, Wes Fullenwider, Gordon Stipe, Teemu Vartiainen, Matt Maurin, Terry Doss, Clifton Ballad, R Rickel, Donald Summers Sr., Luke Hares, Matthew Schumacher, Nicolas Audouard, Todd Henry, DHFG, Corey Brabant, Nick Rosati, and Don Cober.
https://wn.com/Making_A_Radius_Bending_Fixture_For_Sheetmetal
Radius bending for sheet metal
0:27

Radius bending for sheet metal

  • Order:
  • Duration: 0:27
  • Uploaded Date: 09 Mar 2021
  • views: 3894
https://wn.com/Radius_Bending_For_Sheet_Metal
Radius Channel Bend
0:28

Radius Channel Bend

  • Order:
  • Duration: 0:28
  • Uploaded Date: 17 Dec 2015
  • views: 61318
Custom press brake tooling from Wilson Tool International www.wilsontool.com
https://wn.com/Radius_Channel_Bend
Why is Sheet Metal "Bend Radius" so Important ?
1:27

Why is Sheet Metal "Bend Radius" so Important ?

  • Order:
  • Duration: 1:27
  • Uploaded Date: 26 Nov 2018
  • views: 6156
Sheet metal is popular due to its strength, durability and manufacturability. When you design for this medium, there are some guidelines that you should follow, especially when it comes to bending it. One is an important feature called the "bend radius." Much more information on this Tech Tip is available at: https://rapidmanufacturing.com/the-ins-and-outs-of-sheet-metal-bend-radius Explore more sheet metal fabrication and CNC machining tech tips on our Rapid Blog: https://rapidmanufacturing.com/engineers-toolbox/#blog
https://wn.com/Why_Is_Sheet_Metal_Bend_Radius_So_Important
Bend Radius - EXFO's Animated Glossary of Fiber Optics
1:18

Bend Radius - EXFO's Animated Glossary of Fiber Optics

  • Order:
  • Duration: 1:18
  • Uploaded Date: 25 Jul 2011
  • views: 72973
Find more Glossary: http://www.exfo.com/Support-and-Services/Be-an-Expert-Training-Program/Animated-Optical-Glossary/ The minimum radius that a fiber optic cable can be bent without loss of light or impairment. The radius varies with different cable designs but follows a general rule that it be no less than 15 times the cable diameter. EXFO's Be-an-Expert Program has produced the world's first animated glossary of fiber optic terms. Including concise definitions and animated sequences, this tool provides a great reference for anyone that wishes to understand fiber terminology.
https://wn.com/Bend_Radius_Exfo's_Animated_Glossary_Of_Fiber_Optics
Common sheet metal design Basic rules or guidelines: Minimum Bend Radius
0:30

Common sheet metal design Basic rules or guidelines: Minimum Bend Radius

  • Order:
  • Duration: 0:30
  • Uploaded Date: 14 Sep 2021
  • views: 3740
Welcome to Kreatorzone! On this sheet metal design series you will find the recommended common sheet metal design guidelines in Sheet metal Minimum Bend Radius. Hit that like button and share the video to support us to make more content like these DISCLAIMER: Do not use or reuse the video for commercial or non-commercial purposes
https://wn.com/Common_Sheet_Metal_Design_Basic_Rules_Or_Guidelines_Minimum_Bend_Radius
Alex Kontorovich: Arithmetic Groups and Sphere Packings (NTWS 080)
51:56

Alex Kontorovich: Arithmetic Groups and Sphere Packings (NTWS 080)

  • Order:
  • Duration: 51:56
  • Uploaded Date: 06 Aug 2023
  • views: 17
Abstract: We discuss recent progress on understanding connections between the objects in the title. Link to slides: https://drive.google.com/file/d/1ipWFpSir5EDEK4f_qPRY_YUM5WaeHIh9 Number Theory Web Seminar: https://www.ntwebseminar.org Original air date: Thursday, May 13, 2021 (8am PDT, 11am EDT, 4pm BST, 5pm CEST, 6pm Israel Daylight Time, 8:30pm Indian Standard Time, 11pm CST) Friday, May 14, 2021 (1am AEST, 3am NZST)
https://wn.com/Alex_Kontorovich_Arithmetic_Groups_And_Sphere_Packings_(Ntws_080)
What is Bend Radius?
0:37

What is Bend Radius?

  • Order:
  • Duration: 0:37
  • Uploaded Date: 06 Feb 2020
  • views: 2968
https://blog.flexaust.com/blog/hose-bend-radius-essentials A hose’s bend radius determines how long a hose needs to be before it can safely bend while in service. Understanding bend radius helps ensure a hose will have the necessary strength and functionality for its intended use case. Failing to account for bend radius limits will ultimately cause damage to hoses and shorten their usable service life.
https://wn.com/What_Is_Bend_Radius
developed with YouTube
PLAYLIST TIME:
  • Most Related
  • Most Recent
  • Most Popular
  • Top Rated
developed with YouTube
PLAYLIST TIME:

Cable Bending Radius: Don't make this mistake

Maintaining the bending radius of a cable during and after installation is a critical criterion for safety and performance. This video looks at the bending radius of power, data and fibre optic cables. We also explore the features included in Marshall Tufflex dado trunking which help electricians when installing cables. Learn more about the Marshall Tufflex Stirling Dado trunking used in this video. 👉 https://youtu.be/33-cyqeaNnU ================================ 🔦 More electrical Q&A videos from eFIXX 👉 https://www.efixx.co.uk/electricians-questions ================================ 🆕 FREE CPD Learn about new applications, regulations and best practices with our FREE CPD modules. - New modules are released monthly, covering everything from surge protection to lighting. 👉http://hub.efixx.co.uk/CPD​ ================================ 📍SUBSCRIBE TO THE CHANNEL eFIXX helps electricians, electrical contractors, building services engineers, and electrical apprentices. So if you've been on the tools for years or just starting your electrical journey, we'll help you stay up to date with the latest regulations and developments in the electrical industry. 👉http://hub.efixx.co.uk/youtube-subscribe ======================================== 📺 NEW TO THE CHANNEL? Watch our essential videos playlist 👉 http://hub.efixx.co.uk/essentials ========================================= #efixx
4:58
Cable Bending Radius: Don't make this mistake
Maintaining the bending radius of a cable during and after installation is a critical crit...
published: 12 Jan 2023
Play in Full Screen
15:56
AVT 206 A&P - P2 - Developing Sheet Metal Flats - The Math Behind the Bends
This video is an explanation of the math on the FAA Airframe test. You can learn to bend ...
published: 06 Feb 2017
Play in Full Screen
4:48
Making a Radius Bending Fixture for Sheetmetal
Ron Covell shows how easy it is to build a radius bending attachment that mounts to a work...
published: 27 Sep 2018
Play in Full Screen
0:27
Radius bending for sheet metal
published: 09 Mar 2021
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Radius Channel Bend
Custom press brake tooling from Wilson Tool International www.wilsontool.com
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Why is Sheet Metal "Bend Radius" so Important ?
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Bend Radius - EXFO's Animated Glossary of Fiber Optics
Find more Glossary: http://www.exfo.com/Support-and-Services/Be-an-Expert-Training-Program...
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Common sheet metal design Basic rules or guidelines: Minimum Bend Radius
Welcome to Kreatorzone! On this sheet metal design series you will find the recommended c...
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Alex Kontorovich: Arithmetic Groups and Sphere Packings (NTWS 080)
Abstract: We discuss recent progress on understanding connections between the objects in t...
published: 06 Aug 2023
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What is Bend Radius?
https://blog.flexaust.com/blog/hose-bend-radius-essentials A hose’s bend radius determines...
published: 06 Feb 2020
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Bend radius

Bend radius, which is measured to the inside curvature, is the minimum radius one can bend a pipe, tube, sheet, cable or hose without kinking it, damaging it, or shortening its life. The smaller the bend radius, the greater is the material flexibility (as the radius of curvature decreases, the curvature increases). The diagram below illustrates a cable with a seven-centimeter bend radius.

The minimum bend radius is the radius below which an object such as a cable should not be bent.

Fiber optics

The minimum bend radius is of particular importance in the handling of fiber-optic cables, which are often used in telecommunications. The minimum bending radius will vary with different cable designs. The manufacturer should specify the minimum radius to which the cable may safely be bent during installation, and for the long term. The former is somewhat smaller than the latter. The minimum bend radius is in general also a function of tensile stresses, e.g., during installation, while being bent around a sheave while the fiber or cable is under tension. If no minimum bend radius is specified, one is usually safe in assuming a minimum long-term low-stress radius not less than 15 times the cable diameter.

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