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A Parting Tool Holder is a specialized tool holder designed to securely hold a thin, blade-like parting tool (also known as a cut-off tool) used in machining operations, primarily on a lathe. Its primary function is to cut off a rotating workpiece at a desired length or to create deep, narrow grooves. The holder is engineered to provide maximum rigidity and support to the slender parting blade, which is crucial for preventing vibration and ensuring a clean, accurate cut.
These tool holders often feature unique clamping mechanisms that grip the thin blade along its length, providing the necessary stability to withstand the cutting forces involved in parting off. Some designs may also incorporate features like coolant channels directed towards the cutting edge, which helps in chip evacuation and reduces heat buildup, leading to improved tool life and surface finish.
A high-quality parting tool holder is essential for efficient and safe parting-off operations. It minimizes the risk of tool breakage, reduces chatter, and allows for higher feed rates. Choosing the right parting tool holder depends on factors such as the size and material of the workpiece, the machine tool being used, and the desired cut-off width. Ultimately, it plays a critical role in achieving precise and clean separation of material in various machining applications.
经常问的问题
Emphasize the cut-off operation
To securely hold a thin cutting blade used to cut off a rotating workpiece.
While both create grooves, parting tools are specifically designed for cutting all the way through the material to separate it.
Yes, but it’s primarily designed for cut-off operations; specialized grooving holders might be better for wide or complex grooves.
Ensure a rigid machine setup, use a sharp blade, apply coolant effectively, reduce spindle speed and feed rate if necessary, and ensure the tool holder is properly secured.
Yes, variations exist based on the clamping mechanism, shank size, and coolant delivery options.
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