Specifications for
Rotating Anode X-ray Tube Ass’y
Model : M125S20X
• Maximum X-ray Tube Voltage .............................. 125kV
• Focal Spot Size (Small/Large) ......................... 1.0/2.0㎜
• Anode Heat Content .............................. 100kJ(140kHU)
• X-ray Tube Ass’y Heat Content .......... 900kJ(1,250kHU)
• Min. Anode Rotation Speed(60Hz) ......... Min. 3,200rpm
DOC no
RD – 120831 - 01
Date
2012. 08. 31
Rev
-0-
Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
GENERAL SPECIFICATION
1. Product Information
1.1 Short Description
• Intended use: X-ray tube assembly with double-focus rotating anode X-ray tube
M125S20X is intended to be used for diagnostic X-ray equipment.
• 125kV, 140kHU rotating anode insert tube which is designed for general radiographic
procedures.
- Tungsten-rhenium alloy faced TZM target of 16º and 74㎜ diameter
- Available in the 1.0㎜ / 2.0㎜ focal spot combinations
- Stator of min. 3200rpm rotation speed
• 900kJ heat content of X-ray tube ass’y
• Accommodated with IEC60526 type high voltage cable receptacles.
1.2 Designation of each part of tube assembly
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
2. General Data
2.1 Electrical Data
Nominal X-ray Tube Voltage ............................................................................. 125 kV
Operating X-ray Tube Voltage .................................................................. 40 ∼ 125kV
Nominal Focal Spot Size
Large .......................................................................................................... 2.0 ㎜
Small .......................................................................................................... 1.0 ㎜
Anode Rotating Speed
50Hz ............................................................................................. Min. 2,700 rpm
60Hz ............................................................................................. Min. 3,200 rpm
Stator Resistance
Main Winding ........................................................................................... 33.5 Ω
Auxiliary Winding ..................................................................................... 64.0 Ω
Stator Capacitor ................................................................................................ 24 ㎌
Resistance Between Housing and Low Voltage Terminals .......................... Min. 2 ㏁
Nominal Anode Input Power
Focus
50 ㎐
60 ㎐
Large
43 ㎾
47 ㎾
Small
21 ㎾
22.5 ㎾
Normal Housing Operating Temperature ................................................. 16 ∼ 75 ℃
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
2.2 Mechanical Data
Overall length ................................................................................................ 489 ㎜
Detail Dimensions ................................................................................... See page 8
Approximate Weight ........................................................................................ 16 ㎏
Target
Diameter .................................................................................................... 74 ㎜
Anode Angle ........................................................................................ 16 degree
Material ............................................................... Tungsten-Rhenium faced TZM
Filtration
Permanent Filtration .................................................................... 1.0 ㎜ Al / 75 ㎸
Radiation Protection
Leakage Technique Factor .............................................................. 125 ㎸, 4 ㎃
X-ray Coverage (at SID 750 ㎜) ........................................................ 354 × 354 ㎜
High Voltage Receptacle .................................. To meet requirements of IEC60526
Cooling Method ...................................................................................... Natural air
2.3 Environmental Limits
Operating Limits
Temperature .................................................................................... 10 ∼ 40 ℃
Humidity ........................................................................................... 30 ∼ 85 %
Atmospheric Pressure .................................................................. 70 ∼ 106 kPa
Shipping and Storage Limits
Temperature ................................................................................... -20 ∼ 70 ℃
Humidity ........................................................................................... 20 ∼ 90 %
Atmospheric Pressure .................................................................. 50 ∼ 106 kPa
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
3. Max. and Min. Ratings (Maximum Design Value)
Max. X-ray Tube Voltage .............................................................................. 125 ㎸
Max. Voltage to Ground ................................................................................... 63 ㎸
Min. X-ray Tube Voltage ................................................................................... 40 ㎸
Max X-ray Tube Current
Large ....................................................................................................... 570 ㎃
Small ....................................................................................................... 340 ㎃
Max. Filament Current ................................................................................... 5.1 A
Filament Voltage (at max. filament current 5.1A)
Large ............................................................................................. 7.7 ∼ 10.4 V
Small ............................................................................................... 5.8 ∼ 7.8 V
Filament Frequency Limits ...................................................................... 0 ∼ 25 ㎑
Thermal Characteristics
Anode Heat Content ............................................................... 100 kJ (140 kHU)
Max. Anode Heat Dissipation ................................................. 475 W (667 HU/s)
X-ray Tube Ass’y Heat Content ............................................. 900 kJ (1250 kHU
Max. Continuous Heat Dissipation Without Air-circulator .... 180 W (15 kHU/min)
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
4. Max. Rating Charts
4.1 Stator Frequency : 60 Hz
[Focal Spot : 2.0㎜]
[Focal Spot : 1.0㎜]
70kV
340
300
60kV
50kV
570
80kV
90kV
90kV
80kV 70kV 60kV 50kV
110kV
40kV
500
100kV
250 110kV
Tube Current (㎃)
Tube Current (㎃)
100kV
125kV
200
150
100
40kV
125kV
400
300
200
100
50
0
0
0.01
0.03
0.05
0.1
0.2
0.3
0.5
1
2
3
5
0.01
10
0.03
0.05
0.1
0.2
0.3
0.5
1
2
3
5
10
3
5
10
Exposure Time (sec)
Exposure Time (sec)
4.2 Stator Frequency : 50 Hz
[Focal Spot : 1.0㎜]
70kV
340
300
[Focal Spot : 2.0㎜]
50kV
60kV
570
80kV
500
70kV 60kV
50kV
40kV
110kV
125kV
250 100kV
Tube Current (㎃)
Tube Current (㎃)
80kV
100kV
40kV
90kV
110kV
200
90kV
125kV
150
400
300
200
100
100
50
0
0
0.01
0.03
0.05
0.1
0.2
0.3
0.5
1
Exposure Time (sec)
2
3
5
10
0.01
0.03
0.05
0.1
0.2
0.3
0.5
1
2
Exposure Time (sec)
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
5. Emission and Filament Characteristics
600
18
500
16
400
14
300
12
200
10
100
8
0
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
5.1
Filament Voltage (V)
Tube Current (㎃)
5.1 Focal Spot : 2.0㎜
6
Filament Current (A)
350
16
300
14
250
12
200
10
150
8
100
6
50
4
0
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
5.1
Filament Voltage (V)
Tube Current (㎃)
5.2 Focal Spot : 1.0㎜
2
Filament Current (A)
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
6. Thermal Characteristics
6.1 Anode Heating and Cooling Curves
100
90
Heat Storage (kJ)
80
70
60
50
40
30
20
10
0
1
2
3
4
5
6
7
8
9
10
160
180
200
Time (minutes)
6.2 X-ray Tube Ass’y Heating and Cooling Curve
900
Heat Storage (kJ)
800
700
600
500
400
300
200
100
0
20
40
60
80
100
120
140
Time (minutes)
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
7. Detail Dimensions
[Unit : ㎜]
Central Ray and Reference Axis
Anode
Large
Small
Cathode
Common
Central X-ray
Terminal Connections
9
8
7
Focal Spot
Non-connection
A
Center of Focal Spot
6
5
1
C
Temperature Relay
(Normally Closed)
2
M
3
A
4
E
Earth
Terminal
Non-connection
C : Common
M : Main Winding of the Stator
A : Auxiliary Winding of the Stator
B
A : ±1.5㎜, B : ±1.5㎜
[Note] Do not connect terminal No.1 and No.5 or 6
in series circuit.
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
8. Symbols
8.1 Symbols marked on M125S20X
Symbol
Description
CE Marking of Conformity
Serial Number: This symbol means serial number of
product.
Manufacturer information: The manufacturer’s
information shows with this symbol.
Made Date: The made date of the product shows with
this symbol
Protective earth symbol: This symbol means Protective
earth terminal
Representatives information: The manufacturer’s EU
representative information shows with this symbol.
!
Warning or Caution: This symbol indicates hazard.
Electronics Disposal Information: This symbol means
that the product should be recycled separately from
household waste. When this product reaches its end of
life, follow the local laws and regulations of disposal. The
improper disposal of waste electronic equipment from the
consumer may be subject to fines.
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
8.2 Symbols on the Packaging of M125S20X
Symbol
Description
KEEP DRY: This symbol means keep away from Rain
Fragile : This symbol means do not drop of product.
UP: This symbol means "This way up".
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
9. Label Location
9.1 Front
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
9. Label Location
9.2 Rear
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
10. Cautions
1) Caution for Installation, Adjustment and Maintenance
• Qualified Persons : Only qualified persons who have technical training and
professional knowledge can handle X-ray tube assembly.
• Fragile Glass : X-ray tube is assembled with glass, therefore, it can be broken with
the mechanical vibration or pulsed shock over 19.6m/(2G).
Careful handling is required to treat or transport.
• Ground Terminal : X-ray tube assembly has ground terminal. Ground cable should be
connected.
• High Voltage : All X-ray tubes operate at voltages high enough to kill through electric
shock. Never touch the high voltage delivered plugs or terminals.
When direct access to such parts is required, the primary circuit should be disabled
and high voltage capacitors/cables discharged.
• High Voltage Plug : High voltage plug should be cleaned up and free from any physical
damages. Silicon compound application is required for high voltage stability.
• Rotating Anode
- Test rotation of the anode with the large focus filament at the preheat condition.
•
•
•
•
At this time, do not supply the tube voltage.
- When the hand switch “READY” button is pressed, the filament will become brighter
and the anode target will start rotating. The anode for normal speed will reach the
predetermined number of revolution in 0.4 to 1 sec., and it will continue rotation for
some time after the stator drive input is cut off. The anode for high speed shall be
automatically braked to reduce speed and continue coasting after the drive input to
the stator is cut off.
- Ensure that the anode target rotates in the proper direction. X-ray tube should always
rotate counter-clockwise, viewing from the cathode side.
Operation Atmosphere : X-ray tube assembly is not allowed to use in the atmosphere
of flammable or corrosive gas.
Protective Cover : X-ray tube assembly is not allowed to use without the protective cover
Handling : Appropriate jigs or tools are required for tube installation to avoid physical
damages.
Returning Tube : X-ray tube assembly should be repacked with the original material
when it is returned back for quality examination in our factory. Be careful to put the tube
upside cathode. If the packaging is not proper, the tube may not be correctly examined.
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
2) Caution to interface with X-ray Generator
• Over Rating : X-ray tube assembly can be broken with applying just one over rated
shot. Please read the specification sheets carefully and follow the instructions.
• Permanent Filtration : The total filtration and the distance between X-ray focal spot
and human body are regulated legally. They should be complied with the regulation.
• Safety Thermal Switch : X-ray tube assembly has safety thermal switch to prohibit
further input power when the tube housing reaches to the temperature of switch-open.
The switch should be hooked up with the X-ray generator which control output power
to X-ray tube assembly. The switch is not recommended connecting stator coil in
series circuit. Even if the switch works, never turn the system power off.
The cooling unit should be activated if used with the system.
• Safety Plate : The Safety Plate is mounted on anode housing wall. When external
cover is removed, it is visibly recognized as labeled with label 8 in Caution Labels page.
Followings are important notice of the Safety Plate:
- Function : When housing inner pressure reaches to the working pressure of the
Safety Plate, the Safety Plate collapses and vaporized oil and hot oil flow through
the collapsed Safety Plate. The external cover can protect the initial impact of oil flow,
however, it can not protect oil drop or oil leakage.
- Caution : Never touch the Safety Plate or remove the label and the screws.
Otherwise, it could cause collapse of Safety Plate.
Please note the Safety Plate is not the device to protect X-ray tube from destruction
when over-rated power input but just to reduce the impact of housing rupture.
• Unexpected Malfunction : X-ray tube assembly may have the risk to be unexpectedly
malfunctioning due to life termination or failure. If the serious problems caused by
the above risk are expected, you are requested to have a contingency plan to avoid
such a case.
• New Application : If you use the product with new application not to be mentioned
in this specification or with different type of X-ray generator, please contact to us for
confirming its availability.
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
3) Periodical Inspection
To maintain long-time stable operation and service life, perform the periodical inspection
at every regular intervals (at least once a year) in accordance with the items described
on the following page.
For any inspection items, if necessary, instruct LUCEM Co.. Ltd. personnel to carry out
the periodical always operation the silicone compound may become dry, the coated
state changed or the withstand voltage performance degraded.
• Insulation oil leakage from tube housing
• Thermal switch operation of the tube assembly
• High voltage cable connection part
- Looseness of cable plug camping part
- Silicone compound leakage and state of coating
• Roughness and bulb spatter on the target surface of the X-ray tube.
• Extremely abnormal noise and or vibration due to X-ray tube anode rotation
• Abnormal rotation of the air circulator of the tube assembly.
• Grounding wire and grounding resistance.
• Indication of tube voltage meter, tube current meter, and other meters.
• Timing phase deviation and time accuracy of the exposure timer.
• Operation of the starter for the tube assembly.
• Brightness and image quality of X-ray image intensifier.
4) Others
• X-ray tube ass’y should have the -ray
X limiting equipment mounted on the X-ray port
to protect unnecessary radiation.
• X-ray tube ass’y is not allowed is not allowed to use in the atmosphere of flammable
or corrosive gas.
• If the input power exceeds X-ray tube ass`y specification, it cause the over temperature
of anode, insert tube glass shatter, housing sealing parts rupture, human injury
including burns due to hot oil escape and fire accident due to flaming anode target.
The X-ray generator should have a protective function which manages input power
to be within X-ray tube ass’y specification.
• X-ray tube ass’y is covered with lead inside tube housing to protect unnecessary
radiation. The lead is harmful for human health.
Dispose the scrapped products according to the requirement of local regulation.
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Rotating Anode X-ray Tube Ass’y Spec.
M125S20X
• X-ray tube ass’y has insulation oil contained for high voltage stability.
The insulation oil is poisonous for human health.
If it is exposed to the non-restricted area, it should be disposed as following to the
local regulation.
• According to the operating conditions, the filament characteristics might be changed
to lead to the over rate exposure to X-ray tube ass’y.
To prevent the X-ray tube ass’y from being damaged, please adjust the tube current
regularly.
• Please don’t touch on -ray
X tube ass’y just after operation due to high temperature.
• X-ray tube assembly is not allowed to lift more than 1 meter during transportation.
• X-ray tube assembly is not allowed to stack more than 2 stories.
• If any malfunction of the X-ray tube ass’y is noticed, please contact to us immediately.
• Avoid fire and explosion hazard. An explosion hazard may result from the use of
flammable anesthetics, skin cleansing agents and disinfectants.
• When cleaning the device, pay special attention so that cleaning liquid or any liquid may
not soak into the inside of device. If any liquid soak into the inside of device, do not
connect power line, do not use device, and contact service center.
• This equipment produces ionizing radiation. Observe proper safety practices during
operation.
• The requirement to wear personal protective equipment such as lead aprons,
dosimetry badges etc is governed by individual states and may vary from state to state.
• Other safety information follows the product-mounting system information.
• The tube assembly contains a high-vacuum product that can implode on incorrect
handling, such as by impact, striking, dropping down.
• Use of the X-ray tube assembly is forbidden if signs of mechanical, electrical or
radiation-related defects are present.
• “WARNING: To avoid the risk of electric shock, this equipment must only be connected
to a supply mains with protective earth.”
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