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Looking for SCREENING MACHINE For HV / MV CABLES (Quantity: 1)


[Syria]
Posted Date: October 31, 2009    Expiry Date: May 01, 2010
Free Member
   
Description
TECHNICAL SPECIFICATIONS OF SCREENING MACHINE
For HV / MV CABLES
I - PURPOSE
The machine should be suitable to apply screening process with wires and tapes over insulated conductors made of ( Cu or AL), from CCV –insulation line for cable (6 -110) KV
according to the following steps:
1-semi-conducting tapes have to be applied over the insulation screen.
2-wires screening have to be applied over the semi-conducting tapes.
3- Metallic screen (Copper / Aluminum) tape.
4-Swelling tape above the metallic screen (spiral)
5- Longitudinal (polyester, swelling ) tape.
6- Longitudinal Aluminum tape.
7- Cable passage diameter range : (up to 150) mm approx.
8-The screening machine should have high productivity.

II- MAIN COMPONENTS OF THE MACHINE:

A - PAY-OFF STAND:
1- Portal type self-aligning pay-off stand type with strong-structure and advanced design suitable for bobbin as per DIN 46395 and DIN 46391.
Bobbin size as the following:
-Flange dia: (1400-3200) mm approx.
- Width: (700 - 2000) mm approx.
-Gross weight (bobbin plus material) : (16) tons approx.
2- The stand is composed of two vertical frames can be moved one towards the other to take the bobbin between interchangeable pintles directly on the correct position on the floor.
3- The whole structure of the bobbin can move laterally to obtain the correct alignment of the stand by an automatic control to keep the cable in the center line with the possibility of controlling the cable unwinding constant tension, during the operation without any bad effect on the cable.
4- The stand should have easy loading / unloading of bobbins and equipped with set of adaptors for pintles suitable for sizes of the required bobbin.

B- GUIDING UNIT
suitable for maintaining the cable in the right line during operation toward tapping units.

C- NO (1) TANGENTIAL TAPING HEAD
1- The taping head suitable for accommodating two pad side by side and driven by independent motor synchronized in the production line . the fitted pads as per the following sizes:
- Pad outer dia : (600)mm approx.
- Pad width : (15 ÷ 80)mm approx.
- pad hole dia : (75) mm approx
- Material tape : textile , plastic – polyester, copper , aluminum, steel
- Gross pad weight (100) kg approx.
2- The Taping Head equipped with a system operation for controlling:
Tape Tension
Tape break detection.
Tape end detection.
Rotor brake for taping head.
Guiding rollers and equipment suitable to lead the tape to the taping point according to tape angle and overlapping tape.
3- The Taping Head suitable for cable passage diameter (150)mm equipped with safety guard and monitoring.
D- Rigid cage with 54 Bobbins 500mm Diameter for wire screening. The main components of the unit :
1- 54 bobbin rigid cage for screening bobbins ø 500mm as (DIN46397) in 6 lines of 9 bobbins each which there are mechanical and electrical safety devices to prevent incorrect operations which could damage the machine or put the operate in danger.
The cage must Designed for the automatic loading / unloading .
The wire tension is kept constant during the unwiding from full to empty bobbin.
Wire break detection.
Wire passages on the rotating cage made of tungsten carbide fair leads.
Three interchangeable noses must be supplied for 54 wires and for (36, 48) wires .
2- Automatic unloading-loading device platform Type. The device can load and unload bobbins from rigid cage able to load also a reduced number of bobbin if required and with safety electrical and mechanical devices.
3- Sound proof GUARD.
Cover of rotating body of 54 Bobbins
4- Screening Die-holder stand
*) BOBBIN SPECIFICATION FOR CAGE:
OD= 500 mm as DIN 46397
ID = 315 mm
BORE = 127 mm
OW = 375 mm
MAX weight : 300 kg ( copper wire)
Wire material : annealed copper or Aluminum.
Wire size : 0.70 ÷ 2.2 mm copper approx .
1.6 ÷ 2.6 mm Aluminum approx .
* Number of Bobbins= max 54
Dia of cable = 20 ÷ 100 mm approx.
Lay range = 300 ÷ 1500 mm approx.
E- No (2) TANGENTIL TAPING HEAD POSITIONING IN TANDEM LINE OPERATION.

1-Each Taping head suitable for accommodating two pad side by side and driven by independent motor synchronized in the production line.
The fitted pads as per the following size:
Pad outer Dia (600) mm approx.
Pad width (15-80) mm approx.
Pad hole Dia (75) mm approx.
Material tape : textile, plastic, polyester, copper , Aluminum and steel .
Gross pad weight : (100) kg Approx.
Taping pitch length : (10-120) mm Approx.
2- Each taping head equipped with a system operation for controlling :
Tape tension.
Tape break detection
Tape end detection
Rotor brake for taping head .
Guiding rollers and equipment suitable to lead the tape to taping point according to tape angle and overlapping tape.
3- Each taping head suitable for cable passage diameter (150) mm equipped with a safety guard and monitoring .
F- LONGITUDINAL ( SWELLING AND ALUMINUM )TAPING UNIT
The unit is composed of :
1- Double pay off for swilling Aluminum tape application
a- main frame and pads supports
b- Tape centering system
c- Tape pad changing
d- Tape tensioning.
e- low tape pad warning / End tape.
OD = 1000 mm
ID = 100 mm
Maximum tape pad width (330 mm), Max pad weight 400 kg with loading system.
2- cutting and welding table for al tape thickness = 0.1÷ 0.5 mm ,
width max = 330 mm
3-Aluminum strip smoothing device

4- INTEGRAL TABLE :
This unit is basically a table adjustable in height where the cone forming tooling to close the Aluminum is disposed , with a device to keep the Aluminum Tape closed all the time.
Note :the table can be removed by wheel from the line when don't need Aluminum Application
G- COUNTERMETER DEVICE FOR CABLE LENGTH (Belt Type)
Suitable for the machine with accuracy of 0.1 % approx.
Equipped with a Monitoring Display with 4 digits.
Meter counter can be pre-set according to the desired production length.
H- HAUL–OFF UNIT( BELT -TYPE CATERPILLER)
The Belt-type caterpillar with strong-structured advanced design suitable for cables diameter up to (150)mm with the possibility of driving and control; and also equipped with guiding adjustable rollers (horizontal and vertical) to give the correct direction for the cable in and out towards the take up unit. with high technology.
I- TAKE-UP STAND:
1- Portal type self- aligning take up stand with automatic traversing, electronically controlled, with strong-structured and advanced design suitable for continuous operation.
Suitable for bobbin as per DIN 46395 and DIN 46391.
And the Bobbin size as the following:
- Bobbin flange diameter range: (1400 -3200) mm approx.
- Bobbin width range : (700 - 2000) mm approx.
- Bobbin Gross weight : (16) tons approx.
- Equipped with the equipments & adaptors for pintles suitable for all sizes of the required Bobbin.
- Easy loading/unloading of bobbins.
- The possibility of controlling the constant tension of the cable during winding operation.
- The possibility of Continuous and automatic control to keep the cable in the centre of the line.
- The possibility of setting the traversing pitch, according to the cable diameter, in synchronization with the Drive controlling the winding of the cable on the bobbin.
2- The stand is composed of two vertical frames can be moved one towards the other to take the bobbin between interchangeable pintles directly on the correct position on the floor.
3- The whole structure of the bobbin can move laterally to obtain the correct alignment of the stand by an automatic control to keep the cable in the center line with the possibility of controlling the cable unwinding constant tension, during the operation without any bad effect on the cable.


J -DRIVE & CONTROL PANELS OF THE WHOLE LINE WITH A NEW ADVANCED CONTROL SYSTEM:
Equipped with:
Display and indicator units required for the whole line.
Control system PLC.
Central system control indicating the line measurements and parameters and the state of the line .
Alarms and Fault diagnostics.
possibility of operating or stopping any part of the line separately.
Modem for Tele-service.
UPS for circuit electrical controlling when power is off.
K- ACCESSORIES REQUIRED TO BE SUPPLIED WITH THE LINE:
A set of tools, dies and guide for all parts of the line suitable for (4) sizes of the cables.
Compressor unit with Dryer suitable for whole the line.
165 Metal bobbin . 500 diameter (DIN 46397)
III. A SET OF SPARE PARTS FOR (2) YEARS OPERATION (3 shifts a day):
Offerer shall necessarily submit a detailed list of spare parts required for every part of the machine enough for two years operation (3 shifts a day); describing the part name, the recommended number and unit & total price for every type. This list should be enclosed with the submitted offer.
And without prices in the technical offer.
IV. SUPERVISION OF INSTALLATION, COMMISSIONING & OPERATION OF THE LINE AND TRAINING:
1. The supplier should delegate experts for supervision of installation works, commissioning & operation tests of the machine and training operators on operating & maintaining the machine.
2. The supplier shall bear the costs & charges of the experts except for that of local transport in the buyer’s country.
3. The supplier should be bound to train FOUR of the technical personnel of Aleppo Company for Cable Industry delegated to the manufacturer’s factory on the offered machine for 2 (two) weeks.
4. The supplier shall bear the costs & charges of the persons delegated by Aleppo Company for Cable Industry at (the supplier’s country), including hotel stay , food , local travel , and flight ticket .

V. IMPORTANT REMARKS THE SUPPLIER SHOULD BE BOUND TO:
1. Offerer should mention, in his offer, in detail:
All the technical specifications and the complete technical description for all components of the offered machine with their drawings & catalogs, and a detailed sketch showing the position of the machine components & accessories.
Protection & safety elements, noise level and control of start up & shut down.
Offerer should mention the maximum &minimum rotating speed for the machine and numbers of speeds used in operation the machine.
The method of choosing and stating the pitch length and linear speed for every size of cables .also , the maximum and minimum pitch range for each taping head should be mentioned in relation to the weight of the roller and also for rigid cage.
2. Offerer should send detailed pictures showing the machine position, elements and accessories, provided with a detailed explanation for the technical specifications.
3. Offerer should mention the powers of all electric motors used in running up the machine,
4. Offerer should state that the offered machine is brand new and not renewed, and that it is equipped with the up-to-date advanced equipments.
5. Offerer should mention the name of the manufacturing company & the country of origin for the offered machine & all mechanical, hydraulic, electrical and electronic parts of this machine.
6. Offerer should submit a reference list of customers who bought this offered machine (customer name, contact person, address, telephone and fax).
7. Offerer should enclose, with his offer, technical leaflets, color catalogs and photos for the offered machine in English Language only.
8. Power supply: and the ambient atmosphere.
VL = 380 ( ±10%) volt
VO = 220 ( ±10%)volt
F = (50 ± 1) HZ
Temperature conditions T = 5º C÷ 45º C.
Air Pressure (6 bar).
9. The offerer should be bound to present three copies (of paper + CD) of operation catalogues containing maintenance, operation instructions, foundation & installation schemes, PLC circuits table & computer software, and the ladder diagrams of control circuits, in accordance with the offered control circuits, on disks or flash memory. All these documentation to be in English language only.
10. Offerer should be bound that the machine guarantee period will be one year after issuing the provisional acceptance report of the machine at the buyer’s factory.
11. Offerer should mention in his offer the dimensions & weights of the machine components, seaworthy packing, delivery period (FOB, C&F) and the offer validity.
12. Offerer should Adhere to all the items mentioned in the specifications list.
 
13. Offerer should mention the powers of productivity for four sizes of cables, the rotating speed, pitch length and the linear speed.
According to this table:

XLPE Cable

Diameter
mm

FIRST
TAPING HEAD
SEMI-CONDUCTOR TAPES TWO LAYERS
OVERLAP 20%

Rigid Cage
SECOND
TAPING HEAD
COPPER TAPES
TWO LAYERS
OVERLAP 20% THIRD
TAPING HEAD
WATER BLOCKING
TAPES
TWO LAYERS
OVERLAP 20%
Width
mm
Weight
x 2
kg Number X Dia (mm) Width
mm
Weight
x 2
kg Width
mm
Weight
x 2
kg
25.6
29
60
72 25 1.750 36 x 0.76 30 36 30 2.100
30 2.750 36 x 0.95 35 42 35 2.350
63 4.600 48 x 1.8 65 76 65 4.350
70 5.000 54 x 2.10 75 80 75 5.000

- IMPORTANT REMARKS:
a- Overlapping of Taping 20%
b- (2) pads for each Taping head of pad OD = 600 mm
 
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