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Typical specialized processing overview
Constant casting square billets —— EPT furnace —- EPT stress water descaling —- Roughing mills group —– # one EPT Shears —- Intermediate mills group —– #two EPT shears —– Ending mills group —#three multi-lengths flying shears —- Action rack cooling bed—— Set length chilly shears——- The finished merchandise automatic counting and bundling — Storage.
The operate of pre-ending mill
In the process of higher-speed wire-rod rolling, pre-finishing mill can boost the precision of the functioning piece to ensure the product high quality and steer clear of achievable operation failure throughout the finishing mill EPT.The framework of framework
Its structure is two horizontal and two vertical (horizontal-vertical-horizontal-vertical H-V-H-V) cantiEPT sort, it is quite compact, and the weigEPTT adjustment is far more precise and dependable, and so to stay away from possible EPT rolling.
Pre-ending mill is composed by two horizontal mills, three vertical loops, two vertical mills, safety cover and so on.EPT composition
The function of EPTT box is to transmit the second outputted by reduction EPT and motor to roll shafts. Horizontal box has a pair of cylindrical EPTTl EPTs vertical box has a pair of extra spiral EPTTl EPT beside a pair of cylindrical EPTTl EPT. The spiral EPTTl EPT speed ratio of the two vertical EPTT containers is different.
Every roller box has one upper roll shaft and one particular reduced roll shaft they are not meshed, and EPTn by a pair of cylindrical EPTTl EPTs in the EPTT box.
A cantiEPT cylindrical roll shaft is fixed to every single roll shaft the roll shaft is mounted in the eccentric locking collar and sustained by the entrance and rear movie bearing. Driven by the left and rigEPTT feed screw and nut of the shaft hole adjustment device, the eccentric locking collar makes the upper and reduced roll shaft open up and shut symmetrically and evenly relate to the milling centre line, in so to obtain roll shaft hole adjustment. The roll shafts are created of tungsten carbide.
The roller box is mounted with flange in plug-in strategy,
and convenient to assembly and disassembly, the roller box and EPTT box are specific unites, in the course of the set up, assemble the roller box and EPTT box at the very first phase and then repair the roller box inside the EPTT box with screw bolt, the roller box is positioned by two locating pins to receive exact position. In this way, the installation can be carried out very easily and with a shorter time, in the meantime, the pipework on the panel is reduced and make it less difficult for failure handling. one, The roller gap is adjusted by making use of the eccentric locking collar, by altering the guide screw and nut , the eccentric locking collar will spin and then EPT the roller shaft to move symmetrically, in so to attain the adjustment of roller shaft hole. The very best edge of this adjustment method is that the central line will be kept unchanged.
2, By employing the thrust bearing that fastened at the finish of the roller shaft, we can efficiently stop the aXiHu (West EPT) Dis.al shift of the roller shaft, in so to ensure measurement precision of the merchandise.
3, the dimension and composition of the roller box for horizontal framework and vertical framework are the very same, all the parts are interchangeable.
4, the EPTT EPTT and speed management are executed by a pair of spiral EPTTl EPTs in the EPTT box, the EPTT is omitted from the EPTT method of the vertical rolling mill, so that the EPTT gear is lighter and scaled-down.
5. As the horizontal framework is completely symmetrical, it can be rotated 180, so it can be shared by two manufacturing strains that located at its rigEPTT and remaining facet.
XiHu (West EPT) Dis.hu (West EPT) Dis. unit
The entrance of roller box has put in scroll XiHu (West EPT) Dis.Hu (West EPT) Dis. and slip XiHu (West EPT) Dis.Hu (West EPT) Dis., the eXiHu (West EPT) Dis.t of roller box just has slip XiHu (West EPT) Dis.Hu (West EPT) Dis., slip XiHu (West EPT) Dis.Hu (West EPT) Dis. is lubricated by EPTT lubrication device.
Main specialized features
Very first mill enter specification: F28~F31mm
Fourth mill output specification: F16~F20mm
The types of rolling steel: EPTT metal, high carbon metal, low alloy steel, welding steel, heading metal.
The temperature of rolling: 900~1050 ordmC
EPTT strategy: Immediate existing (DC) motor on your own EPTs
The EPTT parameter table of pre-finishing mill
|framework||Roller dimension||Ratio of speed||Rotary pace of roll
|MaXiHu (West EPT) Dis.mum outdoors diameter mm||Minimum exterior diameter
|15H||285||255||one hundred sixty||95/70||DC||450||/600/1200||one.5||247~476|
|16V||285||255||one hundred sixty||ninety five/70||DC||450||/600/1200||1.24||314~606|
|17H||285||255||one hundred sixty||ninety five/70||DC||450||/600/1200||one.25||407~782|
|18V||285||255||160||ninety five/70||DC||450||/600/1200||.94||five hundred~1001|
MaXiHu (West EPT) Dis.mum rolling strength: ~240kN
MaXiHu (West EPT) Dis.mum rolling moment: ~six.2kN middotm
Centre length of roll shaft: F255mm~F291mm
Adjustment of roller hole: plusmn18 mm
Cooling water of roll shaft: use: 4×20 t/h
drinking water force .6MPa
temperature of water coming: lt30 ordmC
Roller box and reduction gear undertake thin oil to lubricate, which is provided by workshop.
Force of oil: force in lubrication position .fifteen~.25MPa
Total usage: 400 l/min
Oiliness: Mobil 533
Refined filter: twenty five mu