Self-Shielded Flux Cored Wires
Self-Shielded Flux Cored Wires:
The self-shielded Flux Cored Wire protects the molten droplet and molten pool through the gas and slag produced by the slag-forming agent and gas-generating agent in the flux core of the welding wire under the high temperature of the arc.
The self-shielded flux-cored arc welding method has the following advantages:
Self-shielded flux cored wire is widely used in pipeline construction, marine engineering, outdoor large-scale steel structure manufacturing, high-rise steel structure buildings, surface surfacing, etc.
If you have any questions, please contact with us directly. Welcome you can visit our Factory.For inquiry, please send mail directly to us.
Self-Shielded Flux Cored Wires,Self Shielded Flux Core,Self Shielded Arc Welding,Self Shielded Flux Cored Arc Welding JIANGSU FUERMU WELDING CORPORATION , https://www.fuermuwelding.com
Machine Parameters
Rated Power:Â Â Â Medium frequency: 800KW. Rolling mill: 160KW
Dimension: Length 40m, Wide 5.5m.
Max. speed: 180m/min.
Workpiece size range: Φ5.5-Φ12mm.
Max. vibration intensity: V≤2.8m/s.
Max. temperature rise: 60ºC.
Receiving part is available for selection: standard double steel machine is 12 meters, 1.5t plate screw
                                      production line.
Equipments of Production Line
Equipment Name
Equipment Model
Sets
Remark
Dephosphorization reducing mill
TWDCLJ01-00
1
Worm and worm gear to adjust
Cold rolling mill units
TW-ZJ-01
1
Reducer adopts steel plate welding, hard tooth surface,
fine grinding, low ultra sound and cooling
Rolling mill motorTWYVF series
1
160KW AC variable frequency motor
Electrical cabinet for AC variable
frequency rolling mill
TWKV2000-1850G/4T1
185KW AC variable-frequency drive
Medium-frequency device for heating
TWGZ(Y)P series
1
Power:500kw+300kw
CNC flying shear
TWHXL-FJ-272
1
Max. shearing diameter 12mm, Max. speed 180m/min,
vertical incision, accuracy ±5mm, single drive.
Centralized operation boxTWST-FJ
1
One controlled plate controls flying shear machine and
steel tilting machine at the same, more easy.
Steel tilting machineTW-FGJ-00
1
Driving motors use two stepping motors with torque 50N.m,
11 same configurations transmition motors.
Packing machineTWDBC-01/02
2
Two racks can keep producing from two 0.55kw motor drive
Automatic pushing device for steel
TWTGJ-1
2
Reduce labor and automatic alignment
Introduction: Processing speed: Φ5.5 mm - Φ7 mm of up to 180 meters per minute (including Φ 7 mm). Φ8 mm - Φ10 mm of up to 150 meters per minute (heating temperature 580 ºC);Φ 10.5 mm - Φ 12 mm up to 130 meters per minute (heating temperature 580 ºC). note: heating temperature > 580 ºC have influence on wire speed.
Machine Summary
Composition: Cold rolled ribbed bar and wire machine mainly composed of dephosphorization machine, driving and drived rolling mill, medium frequency heat treatment device, CNC fly shear, speed measuring device, automatic steel tilting machine or coiled reinforced bar device, baler etc.
Function: Ordinary carbon steel as material, through reducing the diameter, forming and heat treatment to improve the material grain boundary organization distribution, improve the physical properties, automatically sizing, cutting and baling to storage.
Features
1. Adopting driving and drived rolling mill structural style, one time reducing and one time formaing
  technical production process; adjustable-velocity, easily change roller, easy operation; solving the old
  process, poor product quality and hard operation etc problems of traditional cold rolling rebar machine.
2. This production line adopts on line heat treatment, on line control, on line quality inspection etc
   technology, automatically, high speed continuously operating, the mechanical property of the cold
   rolled ribbed bar and wire is over national standard GB13788, and achieving hot rolling III grade steel
   standard.
3. Full automatic 10M.
4. Full automatic 12M.
5. Coiled cold rolled ribbed bar production line.
Phosphorus removal machine
1. Reducer adjustmnet to save labour.
2. Adopt the design of full-enclosed protection guard, to guarantee environment clean.
3. Adopt YG8 alloy guide mold and Cr12 alloy guide wheel.
4. The design of optimizing the loading angle guarantees loading smoothly.
  Function: Wipe off oxide layer of raw material surface, reduce adhesion of rolling ring surface, protect
           rolling ring and medium-frequency device, improve surface quality of the products.
  Principle: Gear motor drive worm, worm reversing and transfer power to the worm gear, worm gear
            drive turnplate, guidewheel reversing volume raw material to the "S" type.
Power unit of driving and drived rolling mill
Function: Provide rolling power
Principle: Variable-frequency motor provides two power axis by transformation ratio slow down of gear
          motor, and drive upper and lower spindle.
1. YVF 132KW three phase variable-frequency motor: Started up by frequency converter low frequency and
   low voltage, small starting current, small impact to power system; infinitely adjustable-speed, saves
   the electricity.
2. Motor and gear motor adopt couplings with spring dowel pin, noise reduction and buffer, automatic
   adjustment of axis center.
3. The features of universal coupling: large angle compensation capacity, transmission efficiency of 0.98,
   large bearing capacity, smooth rotation, convenient disassembly and maintenance of equipment.
4. Reducer: Adopt air-cooled whole to decrease oil temperature.
Reducer
1. The reducer is machine of decelerate of hard tooth surface, structure and gear parameters through
   computer optimization; the material adopts high strength low carbon alloy steel(20CrMnMo), and
   carburizing and quenching process, tooth surface hardness to over 350HBS; The tooth shape adopts
   CNC gear grinding process, the accuracy of national standard level 6.
2. High transmission efficiency, the transmission efficiency more than 0.9.
3. Smooth running, small noise.
4. Large bearing capacity, easy to disassemle and maintenance.
Rolling mill unit: reducing mill
Function: Rough processing products.
Principle: After finishing mill start-up, operation gear motor drive worm gear and worm, drvie the two
         screw ratition, drive respectively bearing box near to the appropriate position, then process the
         raw material.
Structure: Reducing mill mainly consist of base, spindle unit, gear motor, worm gear and worm etc. The
          base is whole casting, spindle is whole unit and dismantling and loading convenient.
Bearing box unit
1. Spindle unit consist of spindle, rolling ring, upper and lower bearing boxes, three bearings, two nuts
  with finishing teeth and etc. The spindle unit is a whole structure.
2. The spindle adopts 45# steel a whole casting and through tempering heat treatment, good reliability.
3. Rolling ring adopts WC alloy that is a rolling special use material; Rolling ring lock using nut locking
   with fine thread, and through the top wire locking structure, avoid rolling ring loosing.
4. Spindle bearings consist of one special steel rolling four row cylindrical roller bearing, one pair thrust
   ball bearing; Roller bearing mainly bear radial rolling force, thrust ball bearing mainly bear axial rolling
   force, the force distribution of rolling force can improve the bearings service life.
Rolling mill unit: Spindle
Structure
1. The spindle unit mainly consist of spindle, rolling ring, four bearing boxes, four bearings, two nut of fine
   thread, four oil seal and etc. Upper and lower spindle are the whole structure.
2. Spindle is forged by alloy steel(20CrMo), through the tempering, quenching and heat treatment, high
  strength surface and good internal flexibility.
3. Rolling ring use WC alloy steel that a kind of special material for roll; Rolling ring lock adopt double nut,
  resistance to vibration, check back, locking.
4. Spindle bearings consist of one special steel rolling four row cylindrical roller bearing, one pair deep
  groove ball bearings; Roller bearing mainly bear radial rolling force, deep groove ball bearing mainly
  bear axial rolling force, the force distribution of rolling force can improve the bearings service life.
5. The lubrication of spindle bearings use lipid oil at fixed period, can completely meet the demand of
   working condition of equipment and after period easy maintenance, low maintenance cost.
   Tungsten carbide(WC) alloy forming roller ring: The fit clearance of rolling ring and spindle achieve
   optimization design at the long term practice, easy disassembly and not wear axis.
The rolling part of driving and drived rolling mill
Function: Finish rolling products.
Principle: Adjust lower spindle to compaction raw material, universal coupling drive upper and lower
          spindle relative rotation, friction drive the raw material, and continuous rolling products.
The adjustment of roller seam
1. The upper roller is fixed structure, adjusting height of lower roller can achieve adjustment of the roller
   seam.
2. The adjustment of lower roller: one can handle operation, through motor of reducer driving worm and
   worm gear, drive the lifting screw up and down to adjust roller seam; another using wrench rotate the
   worm then adjust the roller seam.
3. Adjust the nut of the side of lower roller can achieve the adjustment of right and left.
Rolling mill unit: Dovetail slide
1. Use 3D coordinate type design, all parts are integrally casting, among sliding plates adopt slide-type
   connecting structure, can adjust freely spatial orientation of raw material and adjust accurately the
   seam of guide and roller ring by hand wheel to drive screw and nut.
2. Guide ram and guide body are made of 45# steel forging, guide wheel are Cr12 alloy quenching
   treatment, to ensure that guide rigidity, reliability and abrasive resistance of guide wheel.
Scramming device
Function: Protect equipment
Principle: When appear production problems, steel bar line by straight to distort and staching, stop device
         feedback signal to the PLC system, and instructions that alarm and stop immediately issued by
         the PLC system.
Structure: Nylon sleeve, induction, base, etc.
Medium-frequency equipment
Function: Improve extending performance of steel material
Principle: Through IGBT full solid-state induction heating module to heat products to a certain        Â
          temperature under Ac1, eliminate stress, refine the grain size, stable size, ensure accuracy.
          The features of medium-frequency
1. IGBT full solid-state induction heating module, quick heating, little energy, high efficiency, compare the
   thyistor internediate frequency to save electrical energy about 30%.
2. Come into being rarely higher harmonic, few pollution in power system. Transformer switch is not hot,
   not interfere with the equipment operation.
3. Medium-frequency water recycling system adopts water exchange, inner loop using distilled water, so
   all waterway of long-term use equipment have not water scaling and jams, greatly reduce the fault,
   save the maintenance cost.
4. The circuit structure is simple, complete protection function, complete fault display function, can qucikly
   find the fault point, easy maintenance.
Speed measuring device
Function: Determination of production line speed and length of product.
Principle: Adjust the spring to compress rebar, friction drive tachometer wheel, wheel drive the encoder, Â Â
          the encoder transfer information to operation station, know speed and length.
Flying shear
Function: Shearing rebar
Principle: According to the length requirement, PLC control servo motor and drive gear deceleration, to
         achieve shearing tool instantaneous cutting.
Features
1. Flying shear adopts international advanced electronic CAM technology, through the high speed data
   acquisition external signal, then after a complex operation, finally realizes the high precision control of
   the actuator, to ensure the online length cutting precision.
2. Flying shear mainly consist of base, box-body, gear mechanism, servo motor, shearing tool, tool plate,
   pipe, etc.
3. Adopts gear reduction structure, PLC centralized control.
4. Spindle is forged by 40 Cr alloy; Hard teeth surface gears adopt high strength low carbon alloy steel,
   and carburizing and quenching process; Great stability, high precision, cutting precision is ±5mm.
5. Adopt servo motor, high precision, large torque, reliable, and timely service.
6. Hard alloy shearing tool, wear resistance, strong impact resistance; Tool block use compensation
  structure, such as tool wear gap, tool block can move up and down, left and right, make full use of tool.
7. Adopt drum-type cog-wheel coupling , large bearing capacity, isolation vibration, low noise.
8. Enhanced base can reduce the fuselage vibration.
Centralized controlled operational cabinet
1. Electrical system of the production line mainly consist of rolling mill and medium-frequency control
   system, medium-frequency heating system, flying shearing system and steel tilting system.
2. Electrical system of the production line achieve highly automatic and centralization, According to
   production require, the system can set and adjust all parameters, such as the production speed of
   production line, medium-frequency tempering temperature, the specified length of flying shear, the
   number of single bundle, etc.
Steel Bar tilting machine
Function: Cutted rebars into the holder.
Principle: After flying shear cutted, transport products to steel tilting machine by accelerated roller
          conveyor, products tilted holder, centralized control system met the requirement of the test
          number, reversing rolled ssteel, continuous, automatic operation; Finally moving packing
          machine to need of packing, wear steel belt and packing.
Structure: The steel tilting system mainly consist of accelerated roller conveyor, tilting part and packing
          part, controlled by PLC system, coordination, continuous, automatic operation.
1. Accelerated roller conveyor mainly consist of accelerated motor, guide. Its function is to accelerate the
  moving speed of rebars, avoid before and after rebar pile of steel.
2. Steel tilting unit mainly consist of stepping motor, tilting shaft, tilting fork, chute, its function is to send
   rebars to material frame.
3. Packaging part mainly consist of packaging machine, packaging the car, packaging guide, its function:
   packaging the car with packaging machine arrive the need of packaging to package. One person can
   complete packaging, save labor.
Small-type coiler
1. In cold rolled ribbed steel bar production line, small-type coiler is a equipment of collection and
   packaging of coiling rebars, including coiling machine, automatic cycloid and discharging car three
   parts, auxiliary equipment is packaged rack. The coiling machine adopts two levels of hard tooth
   suface cylindrical gear transmission, power adopts torque motor, to ensure that keeps stable tension
   in the process of winding. Coiling block consists of four quadrant, the harmomegathus adopts four
   connecting rod institutions, coiling block end claw and harmomegathus mechanism achieve linkage,
   to save time and effort, hydraulic cylinder on the tail provides power. Dimensions: Φ580*Φ850*560mm,
   weight: 1-1.2tons.
2. Automatic cycloid achieve cycloid wheel automatic reciprocating motion within the width of the winding
   by stepping motor. The guide device adopts linear bearings, the screw adopts ball screw, small
   resistance, long service life. Control part is controlled by industrial microcomputer, high degree of
   automation.
3. Discharging car can realize two kinds of motor function of lifting and horizontal, it is responsible for the
   finished packaging and pull away from the coiling block so that the hoisting. Packaging frame is
   equipment that fix packaging belt and packaging machine, packaging machine hang in the packaging
  frame through counterweight device, move easily and convenient.
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1. No external protective gas source is needed, the welding torch is simple in structure, light in weight, and easy to operate;
2. The performance of wind resistance and porosity is good. During welding, the metallurgical reaction of the welding wire itself forms a protective atmosphere. It can be welded under the fourth-level wind force. As long as the wind speed does not exceed 8m/s, no protective measures need to be taken. It is especially suitable for Field construction work;
3. The arc penetrating power should be large, the molten drop should be in the form of jet transition, and the splash should be small;
4. It has excellent all-position vertical down welding operation process performance, and the operation process performance is good;
5. Good slag removal performance;
6. The deposited metal can also obtain high low temperature toughness under various harsh conditions such as low temperature and strong wind.
Ductility Cold Rolled Ribbed Steel Bar Production Line (TW3B-800/12-F)
High Ductility Cold Rolled Ribbed Steel Bar(Steel Wire) Production Line