Roller gear cam drive & Hirth coupling
90°index table MDX
Quick 90°indexing 0.5 sec. | Accurate Index accuracy ± 5 arc sec.
Durable 1 million rotation No adjustment
A large number of achievements for transmission case machining
Roller gear cam drive with an excellent indexing motion characteristic
Locking with 3-piece hirth coupling
Optimum cam curve makes the speed and durability
Roller gear cam drive provides smooth acceleration and deceleration movement according to the machine characteristic by adapting a cam curve.
In case of worm gear
In case of worm gear drive, the worm wheel rotation angle is
represented by a rectilinear velocity-diagram as shown in the sketch below, also worm gear drive needs time for braking.
To secure smooth acceleration and deceleration (start/stop),
an expensive servo motor (NC additional axis control) must be required.
||Allowable workpiece inertia moment