Motion RT100, Руководство пользователя

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Cam Follower Carrier
Barrel Cam
(Fixed Index Drive)
Indexing Phase
(Fixed Index Drive)
Dwell Phase
(Fixed Index Drive)
2. Assembly and mode of operation
2.1. Programmable Index Drives
The rotary index table transforms a constant input drive
motion into a constant output drive motion. The drive
motion occurs by means of a flame or induction harde-
ned and high-accuracy milled constant lead barrel cam.
The use of mathematical laws of motion along with a
properly programmed motor profile (see section 3.1)
guarantee a soft, shock proof and jerk free movement
that has been optimally designed for its intended pur-
pose. The designed assembly allows for accurate and
secure mounting to the output dial which is also backlash
free. No additional adjustment of the output dial is ne-
cessary. Any additional modification to the index drive
unit can result in damage to the indexing device.
The power to rotate the index drive is provided either
by means of a three phase AC motor with encoder, cou-
pled to a gear reducer, or a servo motor coupled to a
gear reducer.
The gear reducer is connected to the input shaft which
is firmly connected to the internal barrel cam with no
further internal gearing. The barrel cam in turn rotates
the top dial through the cam followers with a zero
backlash internal design. The output dial is mounted
to a wire bearing assembly (4 point contact bearing),
which is preloaded to eliminate any runout. The index
drive is completely sealed to eliminate intrusion from
foreign particulate matter and fluids.
2.2. Fixed Index Drives
The rotary index table transforms a constant input drive
motion into an intermittent output drive motion. The in-
termittent drive motion occurs by means of a flame or
inductively hardened and high accuracy-milled barrel
cam. The use of mathematical laws of motion guaran-
tees a soft, shock-proof and jerk free movement that has
been optimally designed for its intended purpose. The
designed assembly allows for accurate and secure
mounting to the output dial which is also backlash free.
No additional adjustment of the output dial is necessary.
Any additional modification to the index drive unit can
result in damage to the indexing device. (see section
3.2)
The power is provided either by means of a three-pha-
se brake motor via a gear reducer or by means of a
chain-wheel or belt-wheel on the drive shaft of the rota-
ry index table. This is firmly connected to the barrel cam,
without any further internal gear sets, and it turns the
cam followers and subsequently the output flange. The
output flange is mounted within a wire bearing assem-
bly, backlash free of play (within steel ring - not in ca-
sting). The index drive is completely sealed to eliminate
intrusion from foreign particulate matter and fluids.
(Please see section 3 for proper utilization of fixed index
drives)