JPH0179538U

JPH0179538U -

Info

Publication number: JPH0179538U
Application number: JP1987171732U
Authority: JP
Priority date: 1987-11-10
Filing date: 1987-11-10
Publication date: 1989-05-29

Description

[Brief explanation of the drawing]

第１図および第２図はこの考案の一実施例を示
し、第１図は縦断正面図、第２図は第１図の側面
図、第３図乃至第６図は従来の実施例を示し、第
３図はボーリングマシンの縦断正面図、第４図は
第３図の側面図、第５図は制振ダンパの側面図、
第６図は縄飛び現象で変形した回転軸を示す側面
図である。８…ジヤーナルキヤツプ（突出壁）、１１…孔
（被加工孔）、３１…制振ダンパ、３２…ウエイ
ト、３３…垂直軸線。 Figures 1 and 2 show an embodiment of this invention, with Figure 1 being a longitudinal sectional front view, Figure 2 being a side view of Figure 1, and Figures 3 to 6 showing a conventional embodiment. , Fig. 3 is a longitudinal sectional front view of the boring machine, Fig. 4 is a side view of Fig. 3, Fig. 5 is a side view of the vibration damper,
FIG. 6 is a side view showing the rotating shaft deformed due to the skipping phenomenon. 8... Journal cap (protruding wall), 11... Hole (processed hole), 31... Vibration damper, 32... Weight, 33... Vertical axis.

Claims

[Scope of utility model registration request]

A cutting blade is provided on the outer circumferential wall of a rotating shaft provided in a cutting machine, the rotating shaft is inserted into a hole provided in a protruding wall of a workpiece, and the rotating shaft is moved in the axial direction while rotating. A weight is provided on a vertical axis passing through the center of the hole to be machined, and a weight is provided on a vertical axis passing through the center of the hole to press the protruding wall in the direction of the vertical axis. A vibration damper for cutting processing characterized by the following.