Expanding mandrel to correct the deformation of the hole in precision thin-walled long pipes during external processing

• 1. 一种薄壁细长管件整体精密加工方法 [P] . 中国专利： CN110091127B . 2022.01.18
• 2. 一种薄壁细长管件整体精密加工方法 [P] . 中国专利： CN110091127A . 2019-08-06
• 3. High precision processing of external surface of thin-walled pipe involves clamping pipe at one end, moving external processing tool axially along pipe from other end with relative rotation [P] . 德国专利： DE10134176A1 . 2002-01-24

  机译： 薄壁管外表面的高精度加工包括将管的一端夹紧，使外加工工具沿另一端沿管轴向移动，并进行相对旋转。

• 4. DRILLED HOLE PRECISION CORRECTING METHOD AND DRILLED HOLE PRECISION CORRECTING DEVICE [P] . 日本专利： JP2002047686A . 2002-02-15

  机译： 钻孔精度的校正方法及钻孔精度的校正装置

• 5. DRILLED HOLE PRECISION CORRECTING METHOD AND DRILLED HOLE PRECISION CORRECTING DEVICE [P] . 日本专利： JP2002047684A . 2002-02-15

  机译： 钻孔精度的校正方法及钻孔精度的校正装置

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