Product category:
Gears, brakes, couplings and engines
News Release from: Ruland Manufacturing Co | Subject: Ruland stepped bore rigid couplings
Edited by the Engineeringtalk Editorial
Team on 30 October 2007
Keyways boost torque capacity
Keyways increase the torque capacity of the coupling by creating a positive drive while also ensuring precise rotational positioning of the shafts.
Ruland has released stepped bore rigid couplings with standard keyways in each bore The couplings are two-piece style, allowing for easy assembly and disassembly without moving other components
This article was originally published on Engineeringtalk on 15 Jul 2003 at 8.00am (UK)
Related stories
Beam couplings accommodate misalignment
Beam-style couplings are one-piece aluminium or stainless-steel components, which incorporate spiral cuts to accommodate angular misalignment, parallel misalignment and axial motion.
The "third way" to rigid couplings
Nomar rigid shaft couplings are available in a three-piece design by special order.
Hardware is opposing for balance, allowing for higher speeds with reduced vibration.
Rigid couplings are often used to connect motors to shafts where misalignment is neither present nor desired.
Since these couplings have zero-backlash they are suitable for motion control applications.
Shaft to shaft connections are another common application for rigid couplings.
Keyways increase the torque capacity of the coupling by creating a positive drive while also ensuring precise rotational positioning of the shafts.
The added torque capacity provided by the keyway may be needed in applications with shock loads due to sudden starts and stops or reversals, when the bore is small relative to the coupling OD, when the shaft may be undersized, or when temperature changes may alter the size of the shaft or the bore in application.
Precise rotational positioning may be needed in applications where phasing of the shafts is important for timing.
Ruland rigid couplings are offered in one or two-piece styles in aluminium, black oxide carbon steel and stainless steel with bore sizes from 3 to 50mm in the metric series and 1/8 to two inches in the inch series.
In addition to stepped bore couplings with keyways, straight and stepped bore couplings without keyways are also offered.
Straight bore couplings from Ruland feature precision-honed bores for tighter fit and alignment.
Ruland rigid couplings are supplied with Nypatch hardware that resists loosening under vibration.
Rigid couplings are part of Ruland's complete line of shaft collars, rigid couplings and motion control couplings.
• Ruland Manufacturing Co: contact details and other news
• Email this article to a colleague
• Register for the free Engineeringtalk email newsletter
• Engineeringtalk Home Page
Search the Pro-Talk network of sites
