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Scorching ending mill for wire rod generation plant
The purpose of 135m finishing mill team
The finishing mill group is composed of best crossed 45° High-velocity wire-rod ending mills&period of time
The finishing mill group is positioned in substantial-pace wire-rod workshop&time period Through ten unit rack the constant micro-stress rolling mill will be transported upstream Æ seventeen ~ Æ 21mm of rolling&comma rolling become Æ 5&period5 ~ Æ 16mm concluded wire&period The functioning speed of 90m&sols is insured&time period The specification of finish product is Æ 5&period5mm&interval
Structural traits of finishing mill
Ending mill unit is mixed with ten mills&comma velocity rising box&comma support foundation&comma arc coupling&comma water-resistant slot&comma waterproof plate&comma the protective go over&comma piping and information of ending mill&period Mill frame is composed of 3 200mil EPT and 7 150 mills&comma body use top crossed forty five composition form to obtain no twisting&comma no make contact with axis&comma tiny axis and shock for tools&comma in addition to&comma it decrease the centre of gravity peak&comma the stability elevated as effectively&comma in the mean time&comma the complete weigh has reduce and it is straightforward to sustain&period 10 frames are concentrated transmission&time period
Roll frame is composed of roller box&comma bevel gearbox and spare components of bevel gearbox&interval
Roller box and bevel gearbox adopt exterior combinational instruction&comma lower the measurement of bevel gearbox to lessen the excess weight of finishing mill&comma lower the space of mil EPT to make their composition compact&period of time Roller box employed cantilever roll loop&comma there is eccentric locking collar in the box to adju EPT roll gap&time period Film bearing and roll shaft are within eccentric locking collar&comma taper sleeve is utilized to repair roll loop which is in the end of roll shaft&time period
Bevel gearbox is composed of box&comma transmission box&comma spiral bevel equipment roll and synchronized gears&period All gears are hardened grinding gear&comma geartooth correction is essential&interval The precision degree of spiral bevel gearbox is six and spherical bevel gearbox is five to insure the easy working of higher speed&time period
Roller box and bevel gearbox are connected by bolts&comma a portion of roller box plug into the bevel gearbox to enable two synchronized gears in bevel gearbox meshed&period Roller box and bevel gearbox are fixed by two finding pin&comma the roller box with identical specification can be altered&period of time
The axial force 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 because the quite little axial clearance ball by itself&comma as a result the roll shaft to correctly positioned in the axial course&comma which makes certain correct roll rolling precision&comma which is to make sure the dimensional precision of the workpiece&period of time
The roller shaft close to the movie bearing is created in the type with taper&comma so the roller shaft can bear uniform load distribution even it is bend&period of time So the life time of roller can be enhanced&period
The adjustment of roll gap is to rotate feed screw with left and correct thread and nut&interval When the two eccentric rotated comparatively&comma the distance of two rollers changed with the symmetrical eccentric relative motion of eccentric locking collar&comma so the spot of former roller line and information can be preserve&period of time
Roller loop is tungsten carbide&comma it is linked on the cantilever roll shaft&comma we use the particular hydraulic shifting roll tools to exchange roll loop&comma it is practical and easy&period
Materials specification | Æ17~21mm |
Material temperature | >900ºC |
Make specification | Æ5&period5~16mm |
The kinds of rolling steel | Carbon metal&comma minimal alloy metal&comma high alloy steel&comma high-good quality carbon structural steel |
Speed of the exit of tenth frame | 75m&sols |
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