High-precision replaceable side milling cutter

By designing a high-precision interchangeable side end mill, using bolted connections and high-strength alloy steel, and combining it with a tool protection component and an automatic take-up and take-down mechanism, the problem of insufficient machining accuracy and rigidity of existing side end mills in confined spaces has been solved, achieving high-precision and high-rigidity machining results.

CN121776555BActive Publication Date: 2026-07-21ZHUHAI KAILING MASCH TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHUHAI KAILING MASCH TECH CO LTD
Filing Date
2026-01-30
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing side end mills suffer from reduced machining accuracy and quality when machining narrow slots, inner holes, and deep cavities due to length and rigidity limitations. They lack the high precision, compact size, and high rigidity of replaceable side end mills.

Method used

A high-precision interchangeable side end mill was designed, which uses a bolt-connected mounting base to achieve quick disassembly and modular quick-change interface connection. Combined with a tool holder made of high-strength alloy steel, it is equipped with a tool protection component and an automatic retraction mechanism to ensure that the tool is protected when not in use. It also achieves high precision and high rigidity through a precision mechanical interface.

Benefits of technology

It achieves high precision, small size and high rigidity, can be processed in narrow spaces, reduces high-speed cutting vibration, protects the tool from bumps and damage, and improves processing efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN121776555B_ABST
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Abstract

The application relates to the technical field of cutters, in particular to a high-precision replaceable side milling cutter, which comprises a cutter shell body, a cutter shell bearing seat is installed in the cutter shell body, a cutter handle is arranged on the inner side of the cutter shell bearing seat, a connecting shaft is fixedly connected at the bottom end of the cutter handle, a mounting seat is mounted and fixed at the bottom end of the cutter shell body through a plurality of bolts one, a cutter clamp is rotatably connected and arranged in the mounting seat, a fixing frame is fixedly connected to the outer wall of the mounting seat, a cutter protection assembly is arranged on one side of the fixing frame, an automatic folding and unfolding mechanism is rotatably connected to one side of the cutter protection assembly, the mounting seat connected through the bolts one can be quickly disassembled when the cutter needs to be replaced, the high-precision, small-size and high-rigidity characteristics are realized through the precise mechanical interface modular quick-change interface connection, the milling head size is compact, the milling head can be deeply inserted into a narrow space, and the machining surface precision is guaranteed.
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