Gendex ORALIX AC User manual
ORALIX AC
WALL MOUNTED SYSTEM
MOBILE SYSTEM
This manual contains descriptive information on the Oralix AC intraoral dental X-Ray system.
Disclosure to third parties or reproduction in any form without written consent is prohibited.
Gendex Dental Systems
Printed on: 22 Mär 2012, 09:28:10 am; Printed by: TOBIAS BAUER
Gendex Dental Systems A-1
ORALIX AC SYSTEM TECHNICAL DATA
SECTION A
TECHNICAL DATA
1. INTRODUCTION ................................................................................................ A-2
2. SYSTEM INFORMATION AND COMPATIBILITY ............................................... A-3
3. DESCRIPTION OF MAJOR COMPONENTS..................................................... A-4
3.1. DENSOMAT TIMER ...................................................................................................................... A-4
3.2. SECONDENT TIMER .................................................................................................................... A-4
3.3. TUBEHEAD ORALIX AC................................................................................................................ A-5
3.4. FOLDINGARM ............................................................................................................................. A-5
3.5. EXTENSIONARM ......................................................................................................................... A-5
3.6. WALL SUPPORT .......................................................................................................................... A-5
4. TECHNICAL DATA ............................................................................................ A-6
4.1. MAINS SUPPLY ........................................................................................................................... A-6
4.2. TUBEHEAD .................................................................................................................................. A-6
4.3. COLLIMATOR ............................................................................................................................... A-
4.4. TIMER ........................................................................................................................................... A-
4.5. WEIGHTS ..................................................................................................................................... A-
5. IEC CLASSIFICATION ...................................................................................... A-
6. APPLICABLE STANDARDS ............................................................................ A-
7. ENVIRONMENTAL DATA................................................................................. A-
DRAWINGS:
SYSTEM ASSEMBLY ............................................................................................................................ AZ-2
DIMENSIONS FOR MOBILE STAND 9801 502 02104 ........................................................................... AZ-3
DIMENSIONS FOR WALLMOUNTED SYSTEM ................................................................................... AZ-4
EXPOSURE TIME ACCURACY........................................................................................................AZ-5
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TECHNICAL DATA ORALIX AC SYSTEM
Gendex Dental SystemsA-2
1. INTRODUCTION
The OralixAC system (230V) provides optimal solution for the intraoral routine radiography. The 65 kV Tubehead
in combination with the 20 cm collimator offers the ideal tool to the radiologist who wants to make use of the
parallel tecnique.
The stable and strong mechanical construction ensures an optimal image quality, allowing accurate and simple
patient positioning.
WARNING
X-ray units produce ionizing radiation that may be harmful if not properly controlled. It is
therefore recommended that this equipment be operated in accordance with local guidelines
on radiation protection.
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Gendex Dental Systems A-3
ORALIX AC SYSTEM TECHNICAL DATA
2. SYSTEM INFORMATION AND COMPATIBILITY
The Oralix AC system is available in various versions:
- wall mounted;
- mobile.
The basic components of the system are:
Oralix AC system 5303 0xx1
Tubehead Oralix AC, 230 V 9869 000 00101
Densomat Timer 9869 002 00102
Secondent Timer 9869 002 00202
Wall Support 9869 005 00001
Extension Arm 90 cm 9869 001 00201
45 cm (option) 9869 001 00001
Folding Arm 9869 001 00301
Collimator circular 20 cm (standard) 9801 712 10104
Collimator rectangular 20 cm (option) 9801 712 10004
Mobile Stand 9801 502 02104
For identification of the components refer to AZ-2.
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TECHNICAL DATA ORALIX AC SYSTEM
Gendex Dental SystemsA-4
3. DESCRIPTION OF MAJOR COMPONENTS
This following chapter describes the mains parts and the mains features of the Oralix AC System.
3.1. DENSOMAT TIMER
The Timer Densomat is an electronic film density control unit
with object-programmed selection of the exposure factors, via
the keyboard of the operator front panel, based on patient size,
film speed and anatomical region being radiographed.
It provides microprocessor control of the filament preheating
time and of the exposure time.
The Densomat incorporates a Line On-Off switch, a display
for numeric and alarm indication, a membrane keyboard for
system control and is provided with a “dead-man” type expo-
sure switch with coiled cord, for operation of the X-ray sys-
tem.
When the exposure button is pressed, the X-ray ON indicator
lights and an audible signal sounds. The exposure is terminated
when the exposure button is released or when the programmed
exposure time is completed.
The Densomat automatically compensates for line voltage
fluctuations, consistently providing films with optimal density.
(The voltage compensation can be inhibited by means of a
dedicated jumper).
It also incorporates other circuits dedicated to safety functions such as back up timing, with independent
monitor of the power line and stop of exposure if the maximum limit of 3.2 s. is exceed.
The Densomat offers different customization functions as follows:
- film speed coefficient adjustment;
- time table customization;
- Tubehead version selection (220-230-240 VAC).
The Timer is provided with dedicated LED for “ready for exposure” and “X-ray emission”.
By optional extension hardware it is possible:
- to connect external lamps for “ready for exposure” and “X-ray emission” indications;
- to control 2 Tubeheads.
3.2. SECONDENT TIMER
The Secondent is an electronic unit which automatically provides control of X-ray exposure, depending on
exposure time selected by the operator.
It provides microprocessor control of the filament preheating time and of the exposure time.
The Secondent incorporates a Line On-Off switch and indicator light, a selector knob with 19 selectable
exposure times, and is provided with a “dead-man” type exposure switch with coiled cord, for operation of the
X-ray system.
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Gendex Dental Systems A-5
ORALIX AC SYSTEM TECHNICAL DATA
When the exposure button is depressed, the X-ray ON indica-
tor lights and an audible signal sounds. The exposure is ter-
minated when the exposure button is released or when the
programmed exposure time is completed.
The Secondent automatically compensates for line voltage
fluctuations, consistently providing films with optimal density.
(The voltage compensation can be inhibited by means of a
dedicated jumper).
The Secondent offers the possibility to select different Tubehead
versions (220-230-240 VAC)
The Timer provides 3 LED indicators for: “ready for exposure”
(green), “X-ray emission” (yellow) and “alarm” condition (red).
By optional extension hardware it is possible to connect
external lamps for “ready for exposure” and “X-ray emission”
indications.
3.3. TUBEHEAD ORALIX AC
The X-ray Tubehead Oralix AC (230 V) consists of a high voltage and filament transformer, and 3-elements,
grid-control X-ray tube, in a lead shielded, oil filled metal case, covered by a plastic housing. A collimator/
positioning device with quick connect bayonet fitting is supplied with the Tubehead.
3.4. FOLDING ARM
The Folding Arm is a 2-section spring counter-balanced dental X-ray arm. The end of the Folding Arm has a
3-conductor cable which interconnects with the Densomat/Secondent Timer via the Wall Support, when the
system is assembled.
3.5. EXTENSION ARM
An Extension Arm available in 45-90 cm is provided with the system. Electrical wiring and mechanical
interconnection between the Folding Arm and the Wall Support is made via the Extension Arm.
3.6. WALL SUPPORT
The Wall Support incorporates a mechanical fitting into which the support tube of the Extension Arm is installed.
A terminal strip is provided for wiring interconnection between the Densomat/Secondent Timer and the Folding
Arm and Tubehead.
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TECHNICAL DATA ORALIX AC SYSTEM
Gendex Dental SystemsA-6
4. TECHNICAL DATA
4.1. MAINS SUPPLY
Mains voltage 230 VAC +/-10%, single phase (polarized) or double phase
it is reccomended to use a dedicated magneto/thermal circuit breaker (10
A max) and an earth leakage circuit breaker (leakage current of 30 mA)
Current absorption$0D[LPXP$6WDQGE\
Mains fuse F6.3A / 250V, fast blow 2nd fuse for double phase, with by-pass jumper
Frequency 50 Hz / 60 Hz ± 2 Hz
Line resistance 0.8 Ohm
4.2. TUBEHEAD
Peak tube potential (see section D-3.2.) 60.0 kVp +/- 8% (Nominal mains Voltage -10%)
65.0 kVp +/- 8% (Nominal mains Voltage)
68.5 kVp +/- 8% (Nominal mains Voltage+10%)
Tube current (see section D-3.3.) 6.mA +/- 10%Nominal mains Voltage -10%)
mA +/- 10%Nominal mains Voltage)
.mA +/- 10%Nominal mains Voltage +10%)
Radiation output5 mGy/sec +/-30% at 20 cm from the focus
Tube rating chart (only 1 fixed working point) 65 kVp, .5 mA, 2.5 s
X-ray tube 800-000G, grid controlled, single focusDQG
X-ray Tubehead Oil immersed, shielded
Minimum filtration permanently in the beam 2.0 mm Al equiv. @ 65 kVp (IEC 522/1976)
Beam quality half value layer (H.V.L.) better than 1.7 mm Al @ 65 kVp
Focal spot 0.7 mm (IEC 336/1982)
Duty cycle 1
Minimum wait time 3 sec
Radiation leakage less than 4microGy/h (5 mR/h) @ 1 meter
Leakage Tecnique factors 0.1 mA @ 65 kVp
Anode angle 19.5° +/- 0.5 respect to the UHIHUHQFH axis
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ORALIX AC SYSTEM TECHNICAL DATA
4.3. CO//,0$725
Collimator type metal cone, lead shielded, bayonet fitting
Distance from Focal Spot to distal cone end 20 cm
Irradiated field at distal cone end 6 cm diameter (circular, standard)
3 x 5 cm (rectangular, optional)
4.4. TIMER
Versions · Densomat, object programmed with +/- manual time
correction, with possibility to control 2 Tubeheads by
optional extension hardware.
· Secondent, with manual time setting by time selec-
tor.
Selectable exposure times among 19 settings, according to R10 scale:
0.03, 0.05, 0.06, 0.08, 0.10, 0.12, 0.16, 0.20, 0.26, 0.32,
0.40, 0.50, 0.64, 0.80, 1.00, 1.26, 1.60, 2.00, 2.50.
Actual exposure time · For 50 Hz is the number of X-ray pulses correspond-
ing to the selected time.
· For 60 Hz is the number of X-ray pulses with mini-
mum deviation respect to the selected exposure
time.
· the exposure time is measured between 25% of the
level of the anode current waveform.
The accuracy is +/-(10% +1 ms)
“X-ray ON” indication visual (LED) and audible (buzzer)
Preheating time 120 msec (default) 6 pulses @ 50 Hz, 7 pulses @ 60 Hz
Compensation of mains fluctuations by automatic correction of exposure time
4.5. WEIGHTS
Wall System 25 kg
Mobile System 60 kg
Tubehead Oralix AC, 230V 6.3 kg, without collimator
Folding Arm 7.5 kg
Extension Arm 45 cm 3.5 kg
90 cm 5.0 kg
Wall Support 1.5 kg
Densomat Timer 2.0 kg
Secondent Timer 2.0 kg
For the dimensions of the system see AZ-3 and AZ-4
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TECHNICAL DATA ORALIX AC SYSTEM
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5. IEC CLASSIFICATION
Class , type B.
6. APPLICABLE STANDARDS
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7. ENVIRONMENTAL DATA
Ambient temperaturH2peration:10°C to +40°C
Transport and storage: -40°C to +70°C
Relative humidity2peration (no condensation): 30% to 90%
Transport and storage: 10% to 95%
Pressure Operation: 700hPa to 1060hPa
Transport and storage: 500hPa to 1060hPa
The serial number of the Gendex X-ray tube (PN 800-0003G3) is
stamped on the copper anode of the tube assembly.
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Printed on: 22 Mär 2012, 09:28:10 am; Printed by: TOBIAS BAUER
Gendex Dental Systems B-1
ORALIX AC SYSTEM INSTALLATION
SECTION B
INSTALLATION
1. WALL MOUNTED SYSTEMS ............................................................................ B-2
1.1. ROOM PREPARATION ................................................................................................................. B-2
1.2. WALL MOUNTING METHODS ...................................................................................................... B-2
1.3. ADDITIONAL CABLING ................................................................................................................. B-4
1.4. UNPACKING ................................................................................................................................. B-4
2. INSTALLATION PROCEDURE......................................................................... B-5
2.1. OPENING WALL SUPPORT AND TIMER ..................................................................................... B-5
2.2. INSTALLATION TO THE WALL ...................................................................................................... B-6
2.3. MOUNTING OF EXTENSION ARM ................................................................................................ B-9
2.4. MOUNTING OF FOLDINGARM .................................................................................................. B-11
2.5. POLARITY TEST ........................................................................................................................ B-13
2.6. MOUNTING OF THE TUBEHEAD ............................................................................................... B-14
2.7. CLOSING THE UNIT ................................................................................................................... B-16
3. MOBILE SYSTEM MOUNTING ........................................................................ B-17
3.1. ROOM PREPARATION ............................................................................................................... B-17
3.2. UNPACKING ............................................................................................................................... B-17
3.3. ASSEMBLING THE MOBILE STAND .......................................................................................... B-18
3.4. INSTALLING THE FOLDING ARM ............................................................................................... B-19
3.5. INSTALLING THE TIMER ............................................................................................................ B-20
3.6. POLARITY TEST ........................................................................................................................ B-20
3.7. MOUNTING OF THE TUBEHEAD ............................................................................................... B-20
3.8. CLOSING THE UNIT ................................................................................................................... B-20
4. OPTIONS.......................................................................................................... B-21
4.1. SECOND TUBEHEAD INSTALLATION ........................................................................................ B-21
4.2. EXTERNAL LIGHTS .................................................................................................................... B-21
DRAWINGS
TEMPLATE FOR WALL SUPPORT ....................................................................................................... BZ-1
TEMPLATE FOR TIMER DENSOMATAND SECONDENT ..................................................................... BZ-2
ITEMS SUPPLIED ................................................................................................................................. BZ-3
WALL MOUNTED SYSTEM ELECTRICAL CONNECTIONS ................................................................... BZ-4
MOBILE SYSTEM ELECTRICAL CONNECTIONS .................................................................................. BZ-5
Printed on: 22 Mär 2012, 09:28:10 am; Printed by: TOBIAS BAUER
INSTALLATION
B-2Gendex Dental Systems
ORALIX AC SYSTEM
1. WALL MOUNTED SYSTEMS
1.1. ROOM PREPARATION
The Wall Support shall be mounted either on a side-wall or on back-wall respect to the patient, outside of the
dentist operational area.
The maximum distance from the center of the patient head is 170 cm (135 cm with the short Extension Arm)
in order to ensure the needed reach for all the possible tecniques; the recommended height from the floor is
133 cm in order to guarantee the easy positioning either with patient sitting or lying down.
NOTE
The static load applied by the system on each attachment point is 72 Kg (159lb).
Considerating a safety factor of four, it is specified that each attachment point is able to
support pull and thrust load of 288 Kg (636lb).
REMARK
It is task of the installation engineer to choose the proper fixation hardware in relation to
the type of the mounting wall.
WARNING
Insufficient wall or hardware strength may cause the wall mount to pull out of the wall, and
the arm and Tubehead to fall, causing serious injury to the patient or operator.
1.2. WALL MOUNTING METHODS
Wall mountig by means of expansion screws.
The Wall Support is delivered with a set of expansion screws
(M6x60, diameter 11 mm) only suitable for use with concrete
walls type R 300 and over (resistance to compressive load >300
Kg/cm2).
In case that such a wall is available, drill the mounting holes
(diameter 12 mm) in the desired location of the wall, making
use of the template BZ-1.
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Gendex Dental Systems B-3
ORALIX AC SYSTEM INSTALLATION
Wall mounting by means of the “through the wall”
method. In case of other strong wall types (concrete
with R not Known, solid brick) it is recommended to
use the “THROUGH THE WALL” method of
attachment which makes use of a steel counter plate
(2 mm thick), of the same size of the Wall Support,
tied with screws or stay bolts (class ISO 8-8, diameter
8 mm), ensuring a tightening torque on the bolts of
10 N/m.
.
Wall mounting by means of 2 reinforcement steel
plates. In case of other less strong wall types (hol-
low tile, wood), which however can bear the specified
load without evident deformation, it is recommended
to use the “THROUGH THE WALL” method of
attachment, which makes use of an anterior rein-
forcement steel plate (2 mm thick) and a steel coun-
ter plate (2 mm thick) of dimensions larger than the
Wall Support, tied with screws or stay bolts (class
ISO 8-8, diameter 8 mm), ensuring a tightening torque
on the bolts of 10 N/m.
NOTE
Doubling the surface of the steel plates respect to the size of the Wall Support will halve
the static load applied on the wall.
In case of other very weak walls (wood,etc.) a steel construction is needed.
The Timer is equipped with 4 expansion screws, which are suitable for all types of walls having a min. thickness
of 5 cm.
Drill the mounting holes (diameter 8.5 mm) in the desired location of the wall using the template BZ-2.
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INSTALLATION
B-4 Gendex Dental Systems
ORALIX AC SYSTEM
1.3. ADDITIONAL CABLING
A mains cable (2 poles + ground) shall be prepared from the mains supply fusebox (or breaker) to the intended
location of the Timer.
Another power cable (2 poles + ground) shall be prepared from the Timer to the location of the Wall Support.
WARNING
The total resistance of the earth wiring, from the mains input earth point to any exposed
metal part of the equipment, shall be lower than 0.1 Ohm.
In case of long distances between Timer and Wall Support a separate protective earth
conductor of the proper size may be needed to fullfill this requirement.
The Timer is provided with a window on the rear side for the entrance of the cabling.
The Wall Support is provided with an electrical knockout, in corrispondence of which the cable duct in the wall
should terminate.
NOTE
The recommended sizes of the power cables wires and the relevant resistances/meter are
shown below:
recommended cable wires size resistance
AWG 16 1.35 mm22 x 0.015 Ohm/meter
AWG 14 2.11 mm22 x 0.0094 Ohm/meter
It must be considered that the length of these cables will affect the total mains resistance of the system, and
must be kept to a minimum.
For example a 5 meters cable of size 1.35 mm2has a resistance of 0.15 Ohm; adding on top a mains
resistance of 0.65 Ohm, as measured at the input of the Timer, and adding also the fixed resistance of the
Folding Arm cable (0.14 Ohm), it will result a total mains resistance of 0.94 Ohm (0.8 Ohm line resistance +
0.14 Ohm Folding Arm cable), which is the value specified for the nominal performance of the system at 230
Vac mains supplies.
1.4. UNPACKING
Unpack each box and check the completeness according to ITEMS SUPPLIED BZ-3.
Verify also that the rated voltage of Timer and Tubehead, as stated on the type number plates, are correspond-
ing to the local situation.
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Gendex Dental Systems B-5
ORALIX AC SYSTEM INSTALLATION
(a)
2. INSTALLATION PROCEDURE
2.1. OPENING WALL SUPPORT AND TIMER
Remove cover away from the Wall Support, by
unscrewing the screw (a).
Unscrew the two locking screws (b) and remove
cover of the Timer.
(b)
2
1
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INSTALLATION
B-6 Gendex Dental Systems
ORALIX AC SYSTEM
2.2. INSTALLATION TO THE WALL
Place the Wall Support and the Timer at the desired location on the wall and mark the holes in the wall,
using the Wall Plate as a template ... and the template on page BZ-2 for the Timer.
WARNING
Do not use the Timer as
a template ! Electronic
components could be
irreparably damaged !
Drill the four pilot holes:
- for the Wall Support (with a 9 mm drill bit)
- for the Timer (with a 8 mm drill bit).
Position the Timer over the four pilot holes, hav-
ing routed the line cable through the Timer knock
out and having routed additional cable from the
Timer to the Wall Support.
1
additional cable
Timer-Wall Support
line cable
(mains)
3
2
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Gendex Dental Systems B-7
ORALIX AC SYSTEM INSTALLATION
WARNING
It is a task of the installation engineer to choose the proper fixing hardware in relation with
the type of mounting wall available. Failure to do so could cause the X-ray system to come
loose and fall, causing possible injury to the patient or operator.
Install and tighten all screws with lock wash-
ers (see page B-2, Wall mounting methods).
NOTE
Ensure that Timer will be aligned with Wall
Support.
Connect line cable on terminal block X3 of the
Timer (see also BZ-4, System electrical connec-
tions).
Tighten all bolts with lock washers. Apply on fix-
ing bolts a torque of 10 Nm.
NOTE
Ensure that Wall Support is perfectly aligned in
vertical position.
6
4
5
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INSTALLATION
B-8Gendex Dental Systems
ORALIX AC SYSTEM
Fix additional cable from the Timer to the Wall
Support with retainers.
Connect on both sides to terminal blocks.
See BZ-4,
System electrical connections
Verify the jumpers and dip-switches setting as described in Section C, “Jumpers and dip-switches
setup” of this manual.
NOTE
Do not reinstall covers of Wall Support and Timer until the end of the installation proce-
dure.
cable retainers
7
8
9
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Gendex Dental Systems B-9
ORALIX AC SYSTEM INSTALLATION
(a)
(d)
(b)
(d)
(c)
(c)
a
2.3. MOUNTING OF EXTENSION ARM
Unpack the Extension Arm and verify the com-
pleteness according to items supplied:
(a) ring
(b) ground wire with nut and lock washer
(c) friction screws
(d) snap-out covers
Cut the guide string.
WARNING
do not pull string completely out the arm.
Push the ring (a) over support tube of Extension
Arm.
1
2
3
Printed on: 22 Mär 2012, 09:28:10 am; Printed by: TOBIAS BAUER
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