mill,work roll chock for foil mill

Oil mist foglubrication system for back-up & work roll chocks combined pinion stand type main-drive gear box tension reel with suitable capacity of mill required back tension four raw tqo type bearing for roll neck separate work roll trolley for saving time of work roll

May 17 2017 the work rolls in four-high strip mills and the rolls in two-high light-section and wire rod mills are mostly fitted with angular contact ball bearings as axial bearings the chock arranged on the drive end is not axially located in the roll stand but is guided on the roll neck by the axial bearing

Nov 20 2014 these close clearances help to maintain roll alignment and the roll gaps and to contribute to the prices strip shape and gauge work roll bearing box liners contact the inside leg liners of the backup roll chocks in mills of a mae west design the work roll chocks contact the mae west block since work rolls are frequently changed work roll

Figure 42 sem micrographs of: (a) roll surface (b) aluminium foil surface the rolling direction runs horizontal and the roll roughness is derived from a replica although it is frequently assumed that the interface between the roll and strip can be separated into contact and valley areas in fact it is an open question as to the

Aluminum foil rolling mill aluminum foil rolling mill product overviewthe aluminum foil rolling mill can process max material into foil material with all kinds of gauge and processed foil can be offered as further processing raw material such as producing containerembossingprinting and coatingstickingpackage for fooddrinkmedicine in daily lifecosmetics and package for some special

Apr 01 2018 de-chockers support mill back-up or work rolls on the od or at the neck of the roll bearing chock support stands are raised to support the roll chocks allowing removal of the retaining rings and bearing containment components once disassembled the bearing chocks are separated from the roll journals features operator safety is always 1

The minimum achievable foil thickness is shown to be a function of the cross-shear ratio friction coefficient deformation resistance work roll radius youngs modulus of work roll as the rolling speed ratio increases the cross-shear ratio increases and the minimum achievable thickness decreases

Pilot mill the quaker pilot mill was commissioned in june 2016 it is a 4-high backup roll-driven revers-ing pilot mill some specifications for steel cold rolling: main motor tension reel power: 400200 kw max roll force: 1200 kn backup work roll diameter: 400165 mm

Included with chock fleet tracking is the ability for preventative maintenance notification on individual chocks to be pulled from service with sms group incs oem knowledge of mill stand mechanics rolling mill operational issues can be identified repaired and corrected in a timely manner by inspection the chocks mill stands roll gap

15 work roll bending roll bending is not directly linked to thickness control but usually this control is incorporated in the same hardware together with agc work roll bending forces are applied using hydraulic cylinders to the work roll shafts located at both roll ends as a

Dissipation and rate of external work done were equated while the deformation of metal takes place in the present work roll load analysis has been done on a rolling mill in a rolling mill company bg dhatu udyog ltd 52 industrial estate phase 2 yamunagar roll load was found by

Mechanics of cold rolling of thin strip 443 where yiw is the vertical deflection of the work roll at element i gijw ( ) is the influence function for the work roll deflection due to the combined bending and shear forces generated by rolling load giwf is the influence function for the work roll deflection due to the force generated by the roll bending mechanism k represents the minimum element

Work roll lifters bradley has a wealth of experience in work roll handling whether you need to lift a single or double work roll set with chocks or without we have a solution for you! bradley offers all types of heavy-duty work roll handing equipment suited for the roll shop or the mill aisle

The mill rolls are mainly used for the rolling mill which cause continuous plastic deformation of the metalthe mill roller is mainly composed of a roll body a roll neck and a shaft head the roll body is the middle part of the roll which actually participates in the rolling of the metal with a smooth cylindrical or grooved surface

Jul 10 1990 the invention relates to monitoring devices for the roll bearings of in particular the work rolls in cluster roll stands of rolling mills the operating safety of rolling mills for example of thin-gage strip and foil rolling mills operating at rolling speeds of up to 2500 mmin with numbers of revolutions of the rolls of 3000 rpm requires constant monitoring of the roll bearings

A simple mode change in mill stands 3 and 4 from 4-high to x-hi with a work-roll diameter of 180 mm allows the product thickness to be reduced to 05 mm at significantly lower rolling-force levels (912 mn roll-separating force)

Cluster foil cold mills work rolls intermediate rolls back-up rings max 450mm cold & hot mill work and intermediate rolls max 800mm with and without chocks cold & hot mill work intermediate and back-up rolls max 1800mm with and without chocks plate & hot mill work rolls back-up rolls max 2400mm with and without chocks

Pomini tenova has been contracted by jw aluminum to supply a roll grinding machine for work rolls and back-up rolls a chock changer for work rolls and back-up rolls and a chock tilter for its expansion plant at goose creek south carolina (usa) within its aim to increase its production in south carolina plant with the installation of proven state-of-the-art equipment utilizing green

Reclaim roll life through xteks roll reconditioning and repair services the bearing journals of forged steel work rolls often become worn below blueprint specifications after many extended campaigns in the mill occasionally the bearings themselves become hot enough to cause complete seizure of the bearing onto the journals

Herkules dechockers are already in use for complete sets of back-up rolls at a plate mill with chocks of up to 260 tons combination chock changing devices include several platforms that are perfectly adapted to individual roll types both back-up rolls and work rolls can be accommodated the combination chock changing devices are also

With the support of our experienced professionals we are offering exclusive quality work roll chocks quality is our main concern for this we manufacture and exporter this mill chock using quality checked raw material and modern technology the chock provided by us is highly admired in the market for its tolerance capacity high efficiency

Powerful mills (2 3700 kw plus) with work rolls driven directly capability to finish and coil material 218 mm in thickness hydraulic gap controls with mill steer and roll eccentricity compensation work roll chock mounted scratch brushes fast work roll change

Including timken premium mill grease which is known for its excellent resistance to water washout timken sealed roll neck bearings and seals are designed to work with different types of oil lubrication systems as well contact your timken engineer for assistance with grease type fill recommendations and applications in oil-lubricated systems

Contribute to many of the roll neck failures that occur in 2-hi mill work rolls or 4-hi mill back-up rolls as a consequence the market is demanding a rolling mills revamp to mitigate roll neck breakage in the fillet ring area under severe loading conditions the choice of bearing selection can play an important and

Our foil mills feature a number of automated systems for coil spool and scrap handling as well as high speed work roll change operation and drive-side work roll latching allows for thermal expansion of the rolls to the operator side

A rolling mill stand has upper and lower work rolls supported in chocks which include liner plates on their side faces for bearing against the side faces of the mill stand housing with the side faces of the chocks being shaped so that the liner plates on both the upper and lower work roll chocks extend both above and below the pass line defined by the work rolls

A rolling mill stand has upper and lower work rolls supported in chocks which include liner plates on their side faces for bearing against the side faces of the mill stand housing with the side faces of the chocks being shaped so that the liner plates on both the upper and lower work roll chocks extend both above and below the pass line defined by the work rolls

Work roll chock for foil mill 2020-09-12t10:09:1000:00 the most advanced aluminum foil mill primetals technologies our foil mills feature a number of automated systems for coil spool and scrap handling as well as high speed work roll change operation and drive-side work roll latching allows for thermal expansion of the rolls to the operator

Work roll chock for foil mill work roll shift mill primetals technologies have been a pioneer in the field ever since we developed the worlds first work roll shift mill and have enhanced this technology based on our extensive experience in steel industry send

The rolling mill work roll chock made by chaeng (great wall steel casting) is mainly made of cast steel after heat treatment it has good wear resistance and high strength since the work roll chock is the main force-bearing member in the whole equipment operation it also requires a certain shock absorption performance