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The function of 135m finishing mill group
The finishing mill team is composed of prime crossed 45° High-velocity wire-rod ending mills&time period
The ending mill group is located in higher-speed wire-rod workshop&period of time By means of ten device rack the constant micro-pressure rolling mill will be transported upstream Æ seventeen ~ Æ 21mm of rolling&comma rolling turn into Æ 5&period5 ~ Æ 16mm finished wire&period The operating pace of 90m&sols is insured&interval The specification of end item is Æ 5&period5mm&interval
Structural traits of ending mill
Finishing mill unit is combined with ten mills&comma pace growing box&comma help foundation&comma arc coupling&comma water-proof slot&comma waterproof plate&comma the protective cover&comma piping and guide of finishing mill&period of time Mill frame is composed of a few 200mil EPT and 7 a hundred and fifty mills&comma frame use leading crossed 45 composition kind to accomplish no twisting&comma no make contact with axis&comma little axis and shock for equipment&comma besides&comma it decrease the center of gravity peak&comma the security enhanced as effectively&comma in the mean time&comma the complete weigh has lower and it is easy to preserve&interval Ten frames are concentrated transmission&period of time
Roll body is composed of roller box&comma bevel gearbox and spare parts of bevel gearbox&period of time
Roller box and bevel gearbox adopt outdoors combinational instruction&comma lessen the size of bevel gearbox to lessen the bodyweight of finishing mill&comma reduce the space of mil EPT to make their structure compact&interval Roller box utilized cantilever roll loop&comma there is eccentric locking collar in the box to adju EPT roll gap&interval Movie bearing and roll shaft are within eccentric locking collar&comma taper sleeve is utilised to fix roll loop which is in the conclude of roll shaft&period of time
Bevel gearbox is composed of box&comma transmission box&comma spiral bevel gear roll and synchronized gears&interval All gears are hardened grinding equipment&comma geartooth correction is essential&time period The accuracy amount of spiral bevel gearbox is 6 and spherical bevel gearbox is 5 to insure the sleek doing work of substantial speed&period of time
Roller box and bevel gearbox are related by bolts&comma a part of roller box plug into the bevel gearbox to enable two synchronized gears in bevel gearbox meshed&period Roller box and bevel gearbox are set by two finding pin&comma the roller box with very same specification can be transformed&time period
The axial pressure of the roll shaft beared by a pair of through EPT ball bearings&comma this ball bearing mounted on the axial clearance in the absence of the resilient washer&comma simply because the really tiny axial clearance ball by itself&comma as a result the roll shaft to correctly positioned in the axial route&comma which assures correct roll rolling precision&comma which is to ensure the dimensional precision of the workpiece&interval
The roller shaft in close proximity to the movie bearing is made in the type with taper&comma so the roller shaft can bear uniform load distribution even it is bend&interval So the life time of roller can be improved&time period
The adjustment of roll gap is to rotate feed screw with remaining and proper thread and nut&period When the two eccentric rotated fairly&comma the length of two rollers altered with the symmetrical eccentric relative motion of eccentric locking collar&comma so the spot of previous roller line and information can be keep&period of time
Roller loop is tungsten carbide&comma it is connected on the cantilever roll shaft&comma we use the particular hydraulic altering roll products to replace roll loop&comma it is practical and effortless&time period
Substance specification | Æ17~21mm |
Material temperature | >900ºC |
Generate specification | Æ5&period5~16mm |
The types of rolling steel | Carbon steel&comma lower alloy metal&comma higher alloy steel&comma large-high quality carbon structural metal |
Pace of the exit of tenth body | 75m&sols |
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