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ERW 60.3MM X 4.0MM TUBE PRODUCTON LINE

60.3mm x 4.0mm Used ERW Tube Producton Line

1. OVERVIEW OF MAINTENANCE / MODERNISATION
1.1 Dates of modernisations
Year Description
1987 Commissioning of the plant
 The control system S5 was replaced by a control system S7.
2007 The strip accumulator was upgraded with a new control cabinet with a S7
control system and new Siemens 6RA70 frequency converters
The frequency converters of the forming and sizing section were
replaced by new Siemens RA70 frequency converters.
2009 The cut off saw was upgraded with a new control system Rexroth
Indramat CLM 1.4. DC-drive of the saw carriage was replaced by an
Rexroth Indramat servomotor. Hydraulic aggregat was also replaced.
04/2013  Availibility of the tube welding line ex foundations
2. BASIC DETAILS
2.1 Strip material
Tensile strength (Rm) : max. 680 MPa
Yield strength (Re) : max. 400 MPa
Steel grade : max. S355J2G3 (St 52)
Strip width (trimmed) : min. approx. 40 mm
max. approx. 200 mm
Strip thickness : min. 1,00 mm
(incl. tolerance) max. 4,00 mm

Coil
Specific coil weight : min. approx. 5 kg/mm
max. approx. 15 kg/mm
Coil inner diameter : 480 mm / 600 mm
Coil outer diameter : max. 1.850 mm
Coil weight : max. 4.500 kg

2.2 Production program
Round tube Outside diameter  MIN. 16,00 mm
    MAX. 60.3
  Wall thickness MIN. 1,00 mm
    MAX. 4,00 mm
  Ratio o.d. / wall th.  10 : 1 / ≤ 60 : 1
Hollow sections Squares and rectangles derived from the above
round tubes are possible
Square tubes MIN. 20 x 20 mm MAX : 50 x 50 mm
    
Rectangular tubes
(H / W ≤ 2.5) profile height H min. 20 mm
max. 60 mm
  profile width W min. 20 mm
max. 60 mm
Tube length min. 4.800 mm max. 9.200 mm
Tolerance of tube length 1 mm for tube length  6.000 mm at constant
production speed below 100 m/min. ±1 m/min.
2.3 Line data
Forming process : Constant tube centre line (from the beginning of the welding table)
Running direction (seen from operating side) : from left to right
Line speed : in tube welding line : max. 100 m/min.

3. SCOPE OF DELIVERY
This existing second hand tube welding line, type MTM 60/c will be sold as seen.
1 second hand tube welding line, type MTM 60/c in operation till 04/2013

basically consisting of:
3.1 Strip preparation
• 1 pcs. Entry coil car
• 1 pcs. Single Uncoiler
• 1 pcs. Strip leveller
• 1 pcs. Strip end shear and welding device incl. cross seam annealing
3.2 Strip accumulation
• 1 pcs. Twisting stand
• 1 pcs. Pinch roll stand
• 1 pcs. Horizontal strip accumulator, table type
• 1 pcs. Deflection stand
3.3 Forming section
• 1 pcs. Strip edge trimming shear device
• 1 pcs. Strip edge trimming planer device
• 1 pcs. Entry table for strip guiding
• 5 pcs. Break-down stand, solid cast iron construction
• 7 pcs. Intermediate stand
• 3 pcs. Fin-pass stand, solid cast iron construction
• 1 pcs. Common base frame
• 1 set of Emulsion piping
• 1 set of Main drive
3.4 Tube welding section
• 1 pcs. Welding table, three-roll system, incl. pressure cells
• 1 pcs. Outside scarfing device with 2 scarfing heads
• 1 pcs. Impeder support
• 1 pcs. Emulsion cooling section (approx. 3,0m)
• 1 pcs. Common base frame
• 1 set of Emulsion piping
• 1 pcs. Adjustment table for HF-Generator
• 1 pcs. HF-welding equipment, Emmedi approx. 300 kW
3.5 Tube Sizing and profiling section
• 4 pcs. Sizing stand, driven horizontal rolls, solid cast iron construction
• 4 pcs. Intermediate stand, non driven vertical rolls
• 2 pcs. Turk head, manual adjustment
• 2 pcs. Turk head plate
• 1 pcs. Common base frame
• 1 set of Emulsion piping
• 1 set of Main drive
3.6 Flying cut-off unit
• 1 pcs. Flying saw
mainly consisting of
 1 pcs. Cold saw
 1 pcs. Clamping device
 1 pcs. Tube guiding
 1 pcs. Base frame
 1 pcs. Saw carriage
 1 pcs. Hydraulic equipment
• 1 pcs. Length measurement device
• 1 pcs. Main drive
• 1 pcs. Protection cabin
3.7 Run-out section
• 1 pcs. Runout conveyor
3.8 Tube finishing section – Bültmann, Germany
• 1 pcs. Chamfering and chip blow off station
• 1 pcs. Chip press
• 2 pcs. 2 Collecting troughs: 1 stationary - 1 moveable with slewable stanchions
3.9 Implemented devices
• 1 pcs. Hydraulic aggregate strip preparation
• 1 pcs. Hydraulic aggregate flying saw
• 1 pcs. Emulsion plant excl. oil extractor and magnetic separator

3.10 Tools
• 7 sets of Forming tools, for outside diameter
• 10 sets of Clamping jaws, for outside diameter
• 10 sets of Inductors, for outside diameter

3.11 Electrical equipment for tube mill
For the complete tube welding line.

Mainly consisting of:
• Infeed(s) • Power-converter for drives
• Auxiliary drives • PLC
• Main switches • Converters
• Power supply • Safety fuses
All necessary operating elements which are required for the single functions like
keys, signal lamps, indicators etc. are installed.
3.12 Extensive spare parts package
3.13 Documentation

4. EXCLUDED EQUIPMENT
• Inside scarfing device
• Oil extractor and magnetic separator for emulsion plant
After common stipulation of the scope of supply, we can offer this new equipment separately.

5. OPTIONAL EQUIPMENT
5.1 NDT equipment
• 1 pcs. Eddy current testing eddycheck 4 by Prüftechnik, Germamy
5.2 Services
• Dismounting at site in Germany,
• Supervision of mounting at your plant,
• Cabling between electrical cabinet and terminal box, length up to max. 25m

Ref. 8124