rotary shear

rotary shear

[′rōd·ə·rē ′shir]
(mechanical engineering)
A sheet-metal cutting machine having two rotary-disk cutters mounted on parallel shafts and driven in unison.
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References in periodicals archive ?
For many automated fluid control applications, rotary shear valves coupled to manifolds are a favorable choice for the instrument designer--used for tasks such as solvent selection, flow switching and injecting samples into flowing streams.
Freitas, "Use of a rotary shear box for testing the shear strength of rock joints," Geotechnique, vol.
[7] discovered experimentally slip weakening by the colluvium on the sliding surface that was within the range of natural water contents using high-speed rotary shear tests with maximum shear speed and shear displacement of up to 1.3 m/s and 90 m, respectively (solid lines).
The Crumbier[R] rotary shear machine, which received a 2016 AE50 Award, operates in tandem with optimized screening to produce feedstocks that have low aspect ratios, uniform cross-sections, and low compressibility--all of which improve flowability.
The three-roll sheet/film system features (3) 8" diameter by 16" diameter wide rolls with linear motion and individual 1 hp AC motors/drives; driven rotary shear edge trimming; dual unwinds for extrudate lamination/encapsulation utilizing magnetic particle brakes; integral, center driven rewind with automatic gap control and closed loop tension control; air expanding chucks on rewind and upwind shafts; and Allen-Bradley CompactLogix L2 PLC with touchscreen HMI.
wide; driven rotary shear edge-trimming; dual unwinds for extrudate lamination/encapsulation utilizing magnetic-particle brakes; integral, center-driven rewind with automatic gap control and closed-loop tension control; and air expanding chucks on rewind and unwind shafts.
The rotary shear cut blade cuts against a hardened anvil.
Delta Steel Technologies announced it has shipped a 1 inch by 120 inch temper mill cut-to-length line with rotary shear to a US service centre.
The equipment for Nexans will go to a copper rod mill in Lens, France, and will include a four-blade rotary shear, Siemens said.
In addition, the latest drive is able to achieve high-bandwidth control loops, allowing it to be used in a wide range of industrial applications, such as printing, cut-to-length, rotary shear, converting and slitting.
Customers such as Southwire Cable, Coca-Cola and Jaite Packaging have found Rigby's rotary shear valuable, the company says.
Designs include the B&K Supermill, Rotary Shear, and Rotary Pierce.