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实用新型
CN201644823U 组合刀杆 失效 - 权利终止

组合刀杆
摘要：
一种组合刀杆，包括主刀杆、副刀杆、外圆刀、倒角刀、主刀杆压板、刀垫、副刀杆压板、紧固螺丝，其特征在于所述副刀杆安装于主刀杆上，主刀杆压板、副刀杆压板、外圆刀、倒角刀分别安装于主刀杆和副刀杆上，外圆刀、倒角刀下安装有刀垫。本实用新型具有功能多，不仅对管体端部进行平端面，而且加工螺纹后能进行内外倒角；工序少，速度快，效率高、可以保证27/8～7英寸各种规格油套管的加工质量等特点，广泛在机械加工工艺中应用。
摘要（英）：

The utility model discloses a combined cutter arbor, which comprises a main cutter arbor, an assistant cutter arbor, an outer circular cutter, a chamfer cutter, a main cutter arbor pressing board, cutter cushions, an assistant cutter arbor pressing plate and a fastening screw, and is characterized in that the assistant cutter arbor is arranged on the main cutter arbor, the main cutter arbor pressing plate, the assistant cutter arbor pressing plate, the outer circular cutter and the chamfer cutter are respectively arranged on the main cutter arbor and the assistant cutter arbor, and the outer circular cutter and the chamfer cutter are provided with the cutter cushions. The combined cutter arbor has the characteristics that the functions are multiply, the end surface of the end portion of a pipe body is flat, the end portion of the pipe body can be chamfered internally and externally, the progress is less, the speed is rapid, the efficiency is high, the processing quality of various specifications of oil casings in 27/8-7 inches can be guaranteed, and the combined cutter arbor can be widely applied in mechanical processing technology.

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