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Alkitronic®-MDS Bolt Tightening Documentation System
- For tightening with highest quality demands
- for torque's up to 4000 Nm
- computer controlled tightening - torque and/or angle
- Monitoring, analysing and documentation function
- Documentation and evaluation according to DIN ISO 9000
ff standards
- For use stationary or on site
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| High quality bolt tightening
processes with low tolerances require the tightening technique.
Bolt sizes and qualities as well as the required end torque
and tolerance determine the tightening process. The procedure
depends on the type of joint: hard or soft joint. Our system
guarantees the quality and documentation of the process. All
tightening processes are repeatable independent of the variation
of various factors. |
Overview of the system components
alkitronic cardos: computer-controlled measurement and monitoring
centre
alkitronic sensor controlled torque tools
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| Photo |
Alkitronic®-cardos |
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Alkitronic-cardos, the central control unit of the MDS-system,
is analysing, monitoring and controlling the specific bolt
tightening process. The manually entered and electronically
monitored parameter settings are computer controlled, logically
proven and displayed on an LCD-display.
According to the classification a variety of different measurements
and monitoring methods can be chosen. Initial pretension
is achieved by controlled torque or by a combination of
torque and angle.
Loosening of the sensor-tool can be done manually or automatically.
Actual values and required values can be printed out on
a standard printer using the Centronics-Interface via the
parallel port.
Depending on the model, alkitronic®-cardos is able
to control up to four different Alkitronic® sensor tools,
either stationary or on site. The sensor tools can be directly
connected to the unit. A bar-code reader for the input of
the tool parameters is available as an option.
The base model will accommodate one sensor torque tool
(1-channel). Advantages:
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modular system, will accommodate up to
4 channels (4 tools)
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power supply 230/110 V, 50/60Hz (other
versions available on request)
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user-friendly input via keyboard and display
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optional remote control with separate
terminal connected to the serial interface available
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bar-code reader available as an option
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parallel interface Centronics, serial
interface RS232
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Input 0-5 V for torque, impulse square
wave for angle reading
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resolution: 12 Bit (=4096 increments),
angle 1 degree
Connectors (per channel) multifunctional for:
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electric sensor torque wrenches with change
of direction switch
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sensor torque tools with standard mains
plug
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pneumatic sensor torque wrenches with
24-Volt magnetic valves
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torque and angle sensors
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| Photo |
Type / Model No. |
Model-No. |
Channels |
Application |
Power
supply |
Dim. mm
H x B x L |
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Cardos
|
15911 |
1 |
for 1 tool
(assembly tool) |
230/110 V
50/60 Hz |
395x150x340 |
Cardos-2
|
15912 |
2 |
for 2 tools
(serial assembly) |
230/110 V
50/60 Hz |
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Cardos-4
|
15913 |
4 |
for 4 tools
(stationary operation) |
230/110 V
50/60 Hz |
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| Printer |
15919 |
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DIN A4 printer |
230/110 V
50/60 Hz |
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Alkitronic® - LSD Sensor Torque Tools
| Photo |
Description |
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The tightening process is electronically controlled. The
required torque is produced by the continuously turning
alkitronic® Sensor torque tools. This is the pre-tensioning
process. The pneumatic sensor torque wrenches type LSD shut
off once the pre-set torque is reached. Automatically, accurate
and torque transducer controlled.
The torque can be preselected. The control is done by the
microprocessor controlled unit alkitronic®-cardos. Press
buttons for the change of direction are directly integrated
in the MDS control unit.
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| Photo |
Type / Model No. |
Measuring
range
Nm |
Square
drive |
Ø
mm |
Height
mm |
Speed
1/min
1 / 2 Gear |
Weight
kg |
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LSD 50 15940
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50-500 |
3/4" |
88 |
365 |
45/15 |
9.2 |
LSD 100
15941
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100-1000 |
1" |
88 |
370 |
36/12 |
9.8 |
LSD 200
15942
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200-2000 |
1" |
88 |
420 |
15/5 |
11.4 |
LSD 400
15943
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400-4000 |
1 1/2" |
98 |
490 |
9/3 |
12.5 |
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Air volume 10-15 l/sec., Air pressure 3-7
bar, protection class IP 44
Temperature range 5-50°C,
Accuracy of sensor +/- 0.5%
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Alkitronic® - LSD Sensor Torque Tools
| Photo |
Description |
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Tightening with high quality demands are achieved by
electronic measurement, monitoring and control. The initial
tension is achieved by torque combined with the angle.
This dual-process results in precise initial tension of
any bolt type and mostly eliminates the influence of friction,
lubrication etc.
Function: the first step is the continuous
tightening up to about 20 % of the target torque. The second
step is the continuous tightening (without stops) until
the target angle is reached (see
graphic). This method guarantees an accurate repeatability
of initial tension of all bolts.
The torque can be preselected. The control of the pneumatic
torque wrenches LSDW is done by the microprocessor controlled
unit alkitronic®-cardos. Press buttons for the change
of direction are directly integrated in the MDS control unit.
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| Photo |
Type / Model No. |
Measuring
range
Nm |
Square
drive |
Ø
mm |
Height
mm |
Speed
1/min
1 / 2 Gear |
Weight
kg |
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LSDW 50 15950
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50-500 |
3/4" |
88 |
365 |
45/15 |
9.2 |
LSDW 100
15951
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100-1000 |
1" |
88 |
370 |
36/12 |
9.8 |
LSDW 200
15952
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200-2000 |
1" |
88 |
420 |
15/5 |
11.4 |
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LSDW 400
15953
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400-4000 |
1 1/2" |
98 |
490 |
9/3 |
12.5 |
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Angle resolution 1 degree, Angle display range
0-99 999
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Air volume 10-15 l/sec., Air pressure 3-7 bar, protection
class IP 44
Temperature range 5-50°C,
Accuracy of sensor +/- 0.5%
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