Fixing The Bar Rack; Plastic Rack With A Steel Core; Galvanized Steel Rack - Aprimatic ONDA 623 Notice D'installation Mécanique, D'utilisation Et D'entretien

SLIDING GATES
3.3

Fixing the bar rack

The rack for the ONDA 623 gearmotor is a moulded
thermoplastic material supplied by Aprimatic. The rack has
a steel core and can move gates of up to 500 kg. It can
be easily mounted without the need for any soldering or
welding.
When the wing is more then 500 kg use the steel rack.
Consult the Aprimatic Price List/Catalogue.
If the lower edge of the gate is too low to fi t the rack, it is
necessary to create a base support. Fig.16 shows an example
of a base created with a section bar.
Caution
Assembly must be carried out in accordance with the
following criteria to ensure smooth operations and the
long working life of the automated gate:
The different components of the rack must be well
aligned with each other.
The pitch between the teeth must be kept constant in
the joints.
The rack height must be respected (Fig.17) and
adjusted to prevent the weight of the gate falling on the
gearmotor.
!
Warning
To prevent gate from weighing on the operator pinion,
the whole rack must be raised by 1.5 mm using the row
of slots for the different rack components; only after
this can the fi xing screws be fully tightened.
NEVER LUBRICATE THE RACK.
3.3.1

Plastic rack with a steel core

The plastic rack is normally fi xed to the gate using the
supplied screw (4 tapping screws for each metre length of
bar rack).
We recommend using these screws to prepare holes in
function of the thickness and material of the resting surface,
according to the following table:
Thickness
mm
Steel/Brass
1.5 ± 1.9
Ø 5.2
1.9 ± 2.7
Ø 5.3
2.7 ± 3.4
Ø 5.8
3.4 ± 4.8
Ø 6
4.8 ± 5
Ø 6
!
Warning
Ensure that the screws are fi xed to strong points when
using wooden wings.
Fixing:
• Reset the initial part of the rack on the pinion of the
gearmotor, place a level above the bar rack and, when this
indicates a horizontal position, use a pencil to mark the
position of the slots for making the holes (Fig.18).
• Remove the rack and make preparatory holes to the
diameter given in the table (Fig. 21).
• Replace the bar and fi x it with the special tapping screws
(Fig.20) supplied, being careful not to completely tighten them
and constantly checking the horizontal position of the bar with
a level.
Material
Aluminium
Ø 5.1
Ø 5.2
Ø 5.3
Ø 5.4
Ø 5.6
- 18 -
ONDA 623
.
Fig 16
.
Fig 17
Plastic rack
.
Fig 18
.
Fig 19
.
Fig 20

Galvanized steel rack