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Greenleaf Introduces Line of Quick-Change Toolholders
Saegertown, PA: Greenleaf Corporation has announced the launch of its line of quick-change toolholders, or ISO- standard toolholders with quick-change shanks. The Greenleaf Quick-Change Toolholders conform to ISO 26623, utilize standard components, and are designed to maximize tool life in carbide and ceramic turning applications.
According to Bernie McConnell, Executive Vice President - Commercial at Greenleaf Corporation, “The Greenleaf Quick- Change Toolholders expand our tooling portfolio and open up a significant market opportunity.”
Features and benefits of the Greenleaf Quick-Change Toolholders include:
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ISO 26623 shanks available in C6 and C8 sizes
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Two high-pressure coolant nozzles precisely aimed at the cutting edge to aid in chip removal and improve tool life
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All holders designed with additional axial and radial clearance to allow for use in both external and internal turning
applications
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Holders for positive V-bottom inserts use replaceable nests, resulting in lower replacement costs if damage
occurs
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Holders for negative inserts utilize same 10° side rake angles as our standard ceramic turning toolholders proven
to offer better tool life with Greenleaf ceramic inserts
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Holders for negative inserts are designed to hold pinlock inserts using optional components
Greenleaf’s special design capabilities offer customers unique solutions to further increase productivity.
Related Glossary Terms
- clearance
clearance
Space provided behind a tool’s land or relief to prevent rubbing and subsequent premature deterioration of the tool. See land; relief.
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- rake
rake
Angle of inclination between the face of the cutting tool and the workpiece. If the face of the tool lies in a plane through the axis of the workpiece, the tool is said to have a neutral, or zero, rake. If the inclination of the tool face makes the cutting edge more acute than when the rake angle is zero, the rake is positive. If the inclination of the tool face makes the cutting edge less acute or more blunt than when the rake angle is zero, the rake is negative.
- turning
turning
Workpiece is held in a chuck, mounted on a face plate or secured between centers and rotated while a cutting tool, normally a single-point tool, is fed into it along its periphery or across its end or face. Takes the form of straight turning (cutting along the periphery of the workpiece); taper turning (creating a taper); step turning (turning different-size diameters on the same work); chamfering (beveling an edge or shoulder); facing (cutting on an end); turning threads (usually external but can be internal); roughing (high-volume metal removal); and finishing (final light cuts). Performed on lathes, turning centers, chucking machines, automatic screw machines and similar machines.
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