Rolling cut is globose gear

  • Time:
  • Click:140
  • source:MCGUFFIE CNC Machining
Article introduction uses average gear-hobbing machine to be able to roll the tool that cuts globose gear. Use average gear-hobbing machine to install the tool that shows like plan institute, can roll an undercut form gear. 1.

Coupling ring 2.

Feed orgnaization 3.

Locking is slip sleeve 4.

Workpiece 5.

Hob 6.

Fulcrum 7.

Hob of principle of work of globose gear plant wears rocker graph rolling cut perpendicular motion and workbench level motion. Through be apart from rocker join surely. O1 of center of spherical center O, hob mixes workpiece A of two aperture center mixes rocker B, form parallelogram of double connecting rod of a space. The athletic contrail that the central O1 photograph of hob nods to O, be equal to rocker AB to circle A to nod the contrail that circular arc moves, namely OO1=AB. Accordingly, the perpendicular motion that rolls tool carrier drives the level of workbench to move, synthesis circles workpiece for hob center O1 (globose gear) the circular arc that central O nods moves. Installation and adjust first discharge drops the horizontal feed guide screw below gear-hobbing machine workbench, mount rolls the unit that cuts globose gear. When adjusting workpiece height, make rocker is in horizontal position first, make hob centre height aims height of workpiece ball heart, at this moment the height that face of workpiece lower end is apart from workbench is height of workpiece mat iron namely. When rolling cut, the cutting deepness of the first workpiece, use try cut a way, in order to win feed terminus seat, write down next scale to be worth next. The following workpiece is machined, can inspect the size of gear modulus, cent second or take a knife a few times. But after adjusting good cutting deepness every time, must locking of will slip sleeve, just begin a knife. When this device is machining the globose gear of different radius, need to change only the rocker of corresponding pitch can. CNC Milling