We use cookies to improve your browsing experience. By continuing to use our site, you accept our cookie policy.

Close Cookie Notification
Skip to content
  • Contact Us
United Kingdom
Menu
  • Products
  • Testing Solutions
  • Service and Support
  • Our Company
  • Testing Accessories
  • Testing Systems
  • Testing Software
Home » Products » Testing Accessories » Grips, Fixtures, Clamps, Jaw Faces, Couplings and Adaptors » General Purpose Flexure Fixtures » 3 and 4 Point Flexure Fixture Options » Center Pivot Supports, 300 mm

Center Pivot Supports for Flexural Testing of Brittle Material Specimens up to 300 mm (12 in) width

General Purpose Flexure Fixtures

  • Flexure fixtures, 3 and 4 Point
  • Flexure Fixture Options
Contact UsRequest an Accessory Catalog
  • Description
  • Specifications
  • For Use With
  • Related Items
  • Contact Us

Center pivot supports for flexural testing of brittle material specimens up to 300 mm (12.0) width in accordance with ASTM C78, ASTM C293, ASTM C348, ASTM D1635, and ASTM C1609. Four supports are supplied for either 3 point or 4 point (sometimes referred to as third point) flexural testing. Upper and lower supports are mounted to a t-slot base for adjustment of upper and lower spans.

  • Lower support span: 76.2 mm to 920 mm (3.0 to 36.3 in)
  • Upper support span: 76.2 mm to 420 mm (3.0 to 16.6 in)
  • Support diameter - 76.2 mm (3.0 in)
  • Specimen width - up to 300 mm (12.0 in)
  • Support height - 66.7 mm (2.6 in)

Maximum Capacity of lower support fixture (applicable to 3 point flexure testing where upper span is zero):

  • Overall maximum: 200 kN (45,000 lbf)
  • If installed with overhang, capacity is rated per below

Capacity = 200kN (22,500 lbf) where x < 63 mm (2.5 in)

Capacity (kN) = 12,600/x when x > 63 mm

Capacity (lbf) = 111,900/x when x > 2.5 in

Where x = distance from end of machine loading table to lower flexure support

Maximum Capacity of upper loading nose fixture (applicable for 4 point (third point) flexure testing):

  • Overall maximum: 200 kN (45,000 lbf)
  • 100 mm (4 in) span: 200 kN (45,000 lbf)
  • 150 mm (6 in) span: 165 kN (37,300 lbf)
  • 200 mm (8 in) span: 124 kN (27,975 lbf)
  • 250 mm (10 in) span: 99 kN (22,380 lbf)
  • 300 mm (12 in) span: 83 kN (18,650 lbf)

Effective height not including specimen height: 296 mm (11.63 in)

Accessory Diameter 76.2 mm (3.0 in)
  • T-Slot Bases, Upper and Lower for Flexure Fixture Supports
  • Center Pivot Supports for Flexural Testing of Brittle Material Specimens
  • Universal Pivot Supports for Flexural Testing of Brittle Material Specimens
  • Universal Pivot Supports for Flexural Testing of Brittle Material Specimens up to 300 mm (12 in) width

Your Email Address

Please enter your email address. Email addresses must contain the @ symbol. Email addresses can only contain letters, numbers and the following special characters: . ! # $ % & ' * + - / = ? ^ _ ` { | } ~ Email address domains can only contain letters, numbers, dots (.) and hyphens (-).

Your Message

Please enter your message. Email addresses can only contain letters, numbers and the following special characters: . ! # $ % & ' * + - / = ? ^ _ ` { | } ~
Next Checking to see if you are a returning visitor…

Welcome back!

Your Contact Information

Please enter your first name.
Please enter your last name.
Please select your country.
Please enter your company.
Please enter your address.
Please enter your address line 2.
Please enter your address line 3.
Please enter your county.
Please enter your city.
Please select your state/province.
Please enter your ZIP/Postal Code.
Please enter your telephone number.

Please confirm that you agree with our privacy and cookies policy to submit this form.

I agree to the terms & conditions of Instron's Privacy and Cookies Policy.

Subscribe to Instron News!
Check this box to receive pertinent commercial email from Instron focusing on products, upcoming events, and more!

Please choose a subscription option One or more required fields are empty, complete the form to continue. One or more fields contain formatting errors, fix the errors to continue. You must agree to Instron's Privacy Policy in order to continue.
Instron Logo

“It is our objective at Instron to provide our customers the best ownership experience by delivering the highest quality products, expert support and world-class service.”


Yahya Gharagozlou
Group President, ITW Test & Measurement

Useful Links

  • Careers
  • Newsletters
  • Case Studies
  • Literature Library
  • Glossary
  • Accreditation
  • Testing Systems
  • Accessories
  • Testing Solutions
  • Events
  • Webinars

Connect with Us

  • Blog
  • LinkedIn
  • YouTube
  • Slideshare
  • Facebook
  • Twitter

Sign Up For Our Newsletter

Coronation Road, High Wycombe, Buckinghamshire, HP12 3SY, United Kingdom | +44 1494 456815

© Illinois Tool Works Inc. All rights reserved. | web@instron.com

  • Modern Slavery Act Transparency Statement
  • Privacy and Cookies Policy
  • Terms of Use
  • Export Control

Region Selector

Dismiss Region Selector

Americas

  • North America
  • Brasil
  • South America

All Other Countries

  • Global Site

Europe

  • France
  • Sweden
  • Deutschland
  • Hungary
  • Italia
  • Polska
  • Россия
  • España
  • Switzerland Deutsch | French | Italian
  • Türkçe
  • United Kingdom

Asia Pacific

  • Australia
  • 中国
  • India
  • 日本
  • 대한민국
  • Singapore
  • 台灣
  • ประเทศไทย