JPS6215451U

JPS6215451U -

Info

Publication number: JPS6215451U
Application number: JP10472285U
Authority: JP
Priority date: 1985-07-09
Filing date: 1985-07-09
Publication date: 1987-01-29

Description

[Brief explanation of the drawing]

第１図は装置のヘツド部分の縦断面図、第２図
はそのチヤツク本体部分の平面図、第３図は第２
図―線断面図である。尚、図面中１はヘツド、２は主軸、５はチヤツ
ク本体、７はスライド台、９はシフト装置、１３
はジヤーナルホルダ、１６はチヤツク装置、３０
はストローク調整装置、３１は調整コマ、３２…
３５はストツパ面、３８はストツパ突部である。 Figure 1 is a longitudinal sectional view of the head portion of the device, Figure 2 is a plan view of the chuck body, and Figure 3 is a cross-sectional view of the chuck body.
It is a cross-sectional view along the line shown in FIG. In the drawing, 1 is the head, 2 is the main shaft, 5 is the chuck body, 7 is the slide base, 9 is the shift device, 13
is a journal holder, 16 is a chuck device, 30
is a stroke adjustment device, 31 is an adjustment piece, 32...
35 is a stopper surface, and 38 is a stopper protrusion.

Claims

[Claims for Utility Model Registration] A chuck body is provided at the tip of a main shaft rotatably supported by a head, and a slide base movable in the diametrical direction of the main shaft is provided on the chuck body, and the slide base slides. A shift device is provided, and a journal holder for holding the journal of the crankshaft is provided on the slide base, and the crank pin of the crankshaft held in the journal holder is aligned with the center of the main shaft, and the crank shaft is rotated around the crank pin by rotation of the main shaft. In a crank pin machining device that rotates a shaft to machine the crank pin, a stroke adjustment device is installed between the chuck body and the slide base to regulate the sliding limit of the slide base by the shift device in accordance with the piston locus of the crank pin relative to the journal. A crank pin processing device characterized by being installed between the crank pins.