back up roll grinding machine


Posted on December 12, 2018



Roll Grinders - HansinnHERKULES back-up roll grinders guarantee. Fully automatic operation; Grinding true round perfect T.I.R.; Universal use of their capabilities; - combination work/back-up roll machines; - combination roll grinders/roll turning lathes; - high quality finish also of work rolls; In-chock grinding with all types of bearings; High speed.back up roll grinding machine,Non-circular grinding of backup rolls to. (PDF Download Available)Mar 29, 2018 . Estonian Acad. Sci. Eng., 2007, 13, 2, 168–179. Non-circular grinding of backup rolls. to reduce rolling force variation. Thomas Widmaiera, Jari Uusimäkib, Petri Kuosmanena, Jari Juhankoa. and Pekka Väänänenc. a Laboratory of Machine Design, Helsinki University of Technology, P.O. Box 4400 FI-02015.


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Roll-grinding equipment (roll-grinding machines) - ENCE

Roll-grinding equipment (roll-grinding machines). In its program, Production and Engineering Company ENCE (ЭНЦЕ ГмбХ) highlights the most significant metallurgical equipment; this equipment complies with the highest international quality standards and may be offered to customers at competitive prices.

SBA Roll Shop Solutions — Roll Grinder, Modernization, Retrofit .

The first order is part of a modernization program of the complete hot mill roll shop. SBA will upgrade three roll grinders one by one. A Waldrich roll grinder used since 1992 for backup rolls and roughing mill work rolls will be modernized especially on the roll support side. This also requires a Morgoil lubrication system and.

Roll Grinders - Hansinn

HERKULES back-up roll grinders guarantee. Fully automatic operation; Grinding true round perfect T.I.R.; Universal use of their capabilities; - combination work/back-up roll machines; - combination roll grinders/roll turning lathes; - high quality finish also of work rolls; In-chock grinding with all types of bearings; High speed.

back up roll grinding machine,

Hot Rolling Mill - WaldrichSiegen

Whether in the conventional hot strip mill, the CSP facility or in the Steckel rolling mill – the grinding of work and backup rolls with or without in chocks is nowadays state-of-the-art technology for WaldrichSiegen grinding machines. Especially the turning of large workpieces in the machine requires tremendous center heights.

install and commission four WS 250's and two WS 450's . - Herkules

The high product quality requires excellent roll qualities. It puts high demands on the roll grinders. That is why Big River Steel obtained Herkules expertise. They ordered four grinding machines: two WS 600 x 6500 CNC universal roll grinding machines for backup and work rolls, and two WS 600 x 6500 CNC Monolith™.

SBA Roll Shop Solutions — Roll Grinder, Modernization, Retrofit .

The first order is part of a modernization program of the complete hot mill roll shop. SBA will upgrade three roll grinders one by one. A Waldrich roll grinder used since 1992 for backup rolls and roughing mill work rolls will be modernized especially on the roll support side. This also requires a Morgoil lubrication system and.

Improving Mill Performance Through Roll Shop . - Alta Solutions

Improperly ground rolls lead to problems such as: mill chatter, backup roll (BUR) printing, and product gage variability. The roll quality directly influences finished product quality and production equipment reliability. So, how do you control roll grinding quality? Roll grinding is the act of machining a roll with a grinding wheel.

Roll Grinding Service – Roll Grinding Machine | Precision Roll .

"We came to PRG as we were having considerable hazing problems and build-up on our number 3 paper machine's hot calender roll - spending hours every month . We have certain rolls that require a quick turnaround due to the lack of available spares, and we know we can always count on PRG to get us back up and.

Roll Grinder Jobs | Glassdoor

Jul 27, 2017 . Team Leader, the RollGrinder sets up, operates, maintains and monitors the grinding of work rolls and back up rolls for the cold… determine processing sequences and roll requirements. - Positioning work rolls and back up rolls on the grinding machines using… General Dynamics Bath Iron Works Logo.

Analysis of Spalling in Roughing Mill Backup Rolls of Wide and Thin .

Apr 19, 2014 . grinding for reuse on high precision grinding machine. (Figure 5), the precision of which is 1 mm. Since backup roll service time is relatively longer, these stresses may induce material fatigue which results in spalling on the roll surface. 3.2. Rolling Characteristics. The notable feature of the roughing mill in.

back up roll grinding machine,

Developments in roll grinding for the production . - Millennium Steel

the press or other machines. Car door assemblies which include adjusting shims and other minor variations are not acceptable to modern automatic assembly lines. Some areas of Dofasco adopted a slogan: 'Do it right, first time, every time with no-one getting hurt.' If the work rolls and back up rolls are not 'right first time',.

Design and Application of an Optimum Backup Roll . - J-Stage

contour of work and backup rolls as a result of wear, roll grinding and thermal expansion not only has significant direct influence on strip shape control but may also diminish the effects of roll bending.1) As a powerful tool for strip shape control, CVC (Continuous Variable Crown) work roll contour technology2) developed by.

back up roll grinding machine,

GEORG ultragrind Roll grinding machines - HEINRICH GEORG .

. 90° into grinding position (overall 180°) > Grinding wheel holder with quick change device > Filtering systems > Starting drive for high roll weights Application > For steel, aluminium and other non-ferrous metals > For grinding of back-up and work rolls in, with or without chocks Wide dimensioned machine beds with three.

Latest Projects - Grindco, Inc. dba HECO

Grindco Inc dba HECO is a machine shop specializing in grinder and lathe repair and rebuild services. Roll grinder and lathe repair and parts service provider. pomini, farrel,hurkules, cincinati, mesta, waldrich siegen, shibaura, blaw knox.

Work Roll Grinder Machines - View Specifications & Details of Roll .

During our experience and day by day technology, we have promote our Auto Camber work & back up Roll Grinder Machine before 8 years ago, which is very suited for latest technology. We have already installed more than 300 machines in INDIA to the rolling mills & coil and foil plants, which are working satisfactorily with.

Alcoa Corp. Roll Grinder | SmartRecruiters

Calibrate test equipment and maintain records. Perform mechanical repair of roll grinding machines and fixed shop equipment. Select, balance, and install grinding wheels. Position rolls in grinding machine with pendant and radio controlled crane. Rough turn and grind rolls to desired shape and finish. Chamfer back-up.

Roll grinding machines - Heinrich Georg

„With the integration of Capco grinding machines into the GEORG product portfolio we can now offer our customers a wider and more tailored range in the grinding field. This also includes a faster service by our new company Georg Capco Inc.“ Jan Ebener, GEORG machine tool division.

Rolls for cold- and hot-rolling mills

Uralmashplant produces steel forged backup rolls and work rolls for hot and cold rolling. . unit increases the depth of hardening zone in cold rolls;; high-precision roll-grinding “Hercules” and “Waldrich Siegen” machines significantly increase machining quality and accuracy;; bell-type furnaces reduce residual stress of rolls.

Practical Roll Techniques - Grinding & Balancing - Valmet

The correct way to measure concentricity on a grinding machine is 180º from wheel (back side), if the roll is supported . When the roll is back in the paper machine .. Roll set-up. Small diameter rolls are ground between centers. Machine centers and center holes in the roll journals should be checked for proper condition.

Maintenance of Steel Mill Rolls for Flat Rolled Products . - MacSphere

Present roll maintenance practices and machinery. All rolling mill rolls . replacement of roll grinding, which is generally applied throughout the . Comparison -". - ROLL MATERIALS AND HARDNESS. Slabbing Mill Rolls Q,. Hot ~Strip Mill Back-up Rolls. Mill Back—up Rolls. -" ROLL CONDITIONS BEFORE MACHINING.

Heavy Duty Fully Automatic Roll Grinders for Cold/Hot/Heavy Plate .

"Heavy Duty Fully Automatic Roll Grinders for Cold and Hot Mill Applications: *work roll, intermediate roll, back-up roll *typical range 200-1800mm *module combination beds.

Untitled - Koyo

There are two kinds of back up roll (named BUR here after) assemblies in CR-mill: large-diameter BUR and .. Back up roll bearings are served as BUR assembly in a CR-mill and play different roles compared with .. surface keeping the bearing installed on the grinding machine (with hydraulic pressure). The radial runout.

Back-up Rollers for multi-roll cold rolling mills - the Schaeffler Group

The requirements placed on the quality of rolled products in relation to flatness, thickness tolerance and surface quality are continually increasing, thus placing very high demands on the back-up rollers used in multi-roll cold rolling mills. In close partnership with the customer, we therefore continually design, test and.

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