| THE BELLS
DAN TECHNOLOGY DE ANTONI uses for the bells' casting
a metallic alloy called *bell's bronze* which is composed by: 78% of
copper and 22% of tin.
The following table
explains the existent relation betweenthe diameter, the weight and
the note of the bell.
COMPARISION TABLE
nota |
diametro ( cm ) |
peso ( kg ) |
nota |
diametro ( cm ) |
peso ( kg ) |
do |
143.0 |
1650 |
do |
71.5 |
205 |
re |
126.5 |
1140 |
re |
63.0 |
140 |
mi |
113.5 |
800 |
mi |
56.5 |
100 |
fa |
107.0 |
680 |
fa |
43.5 |
85 |
sol |
95.5 |
480 |
sol |
47.5 |
60 |
la |
85.0 |
340 |
la |
42.5 |
43 |
si |
75.5 |
240 |
si |
38.0 |
30 |
basically, there are four sound systems:
-
By hammer (with still bell)
-
Moving bell with **Ambrosiano** system
( in this case, the
bell is fixed on a counterbalance and the whole system oscillates
starting with the bell on the bottom side till the reachment
of the top position in one direction only.
-
Moving bell with **Veronese**
system
( in this case,
the bell is fixed on a counterbalanceand whole system oscillate
starting with the bell on the bottom side till the reachment
of the top positionin both direction.
- Moving bell with ** Romana** system
( in this case,
the bell is fixed on a movable support without counterbalance and
it oscillates from the bottom side to the left and right side(+/-
90 degrees) without reaching the top position.
BELLS CONTROL BOARD DAN GIUBILEO
DAN TECHNOLOGY DE ANTONI has developed an electronic control panel
for the automatic sound of the bells that is able to fulfill every
exigency.
It is a computer completely programmable for all the days
of the week and the festivity of the year, respecting the traditions
and the customs of every community.
The panel is protected by an
access code ,modifiable by the operator in every moment.
The computer is equipped with “touch screen”: touching
on the screen the corresponding symbol you can do:
- PROGRAMMING of all the days of the week with
hours, sounds, times different for every day , as well as the earlier
programming of the festivity days of all the year ;
- PROGRAMMING of all the sounds with duration time
in SECONDS ;
- EXCLUSION of the sound of the NIGHT HOURS, determinable
by the operator, can be change in every moment ;
- SELF-LEARNING INPUT of the carillon without limit
and with possibility to sound the melodies with the desired timing
of sound ;
- CHANGE FROM SOLAR HOUR TO SUMMER-TIME and vice versa
.
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