ABOUT GME

Welcome to GME

Founded in 1987, GME has attained 124 patents on crushers & mills over the past 30 years. More than 30 overseas offices not only manifest our popularity, but also solve your puzzles quickly in operation. So if you are looking for crushers or mills, GME deserves your attention!

GME gives itself over to the production of crushers and mills, which can be used in aggregate crushing, industrial milling and ore processing fields, such as sand making machine, portable crusher plant, vibrating screen and raymond mill, If you are engaged in these industries, why not choose GME?

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Hot Products

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Vertical Grinding Mills

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LUM Ultrafine Mill

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MTM Trapezium Mill

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Ball Mill

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MTW Trapezium Mill

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SCM Ultrafine Mill

Limestone Grinding Plant

The customer belongs to a well-known company in local community. The biggest difficulty in this project was small place. It had to consider both the maintenance space of the equipment and the transportation of finished products.

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Limestone Grinding in Belgium

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Limestone Grinding Plant

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Talc processing plant

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Ultrafine Powder Milling

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Trapezium Grinding plant

Booking Online

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Improving Thin Strip Profile Using Work Roll Cross and

Jan 09, 2017· Such roll gap profile control can be carried out on mills equipped with work roll crossing and by making use of a combination of roll axial shifting and asymmetrical rolling. In work roll shifting method, the aim is to make the strip thickness uniform and improve the flatness over a wide range of strip widths by shifting rolls of special shapes

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Rolling mill with offset work rolls positioned and

Rolling mill with offset work rolls positioned and controlled by support rolls and method of using same . United States Patent 5119656 . Abstract: A rolling mill for rolling metal strip moving in a horizontal rolling direction, has work rolls which engage the strip and are supported vertically by backup rolls through which drive is applied.

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Different Types of Rolling Roll Mills used by Steel Roll

Dec 24, 2018· Many mill rolls manufacturers provide quality tandem rolling mills to various industries. 5.Cluster Rolling Mills Cluster Rolling Mills is a first four high rolling mills, where each of the working rolls is backed up by two or more larger rolls for rolling hard material. At times, one might need to employ work rolls of minimum diameter. Summing Up

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How to optimize the roughing rolling mill roll to prevent

This table shows the type of rolling mill, the type of work roll used for the roughing mill, the total amount of rolled strips in the standard cycle, and whether the rolls have fatigue problems. (1. The table illustrates the current status of most hot strip mills in Europe in terms of roll types and rolling volume in one cycle. 2.This table

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"Frequently Asked Questions about Hot Strip Mill Work Roll

The roll surface is crucial for work rolls in hot rolling mills. We have to deal with wear, oxidation, firecracks, sticking and friction. This paper starts with temperature simulations on and below the roll surface during rolling and takes common experience into consideration.

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DESIGN AND OPTIMIZATION OF ROLLING MILL CHOCK

rolling. Rolling mill configuration and four high stand of reversing cold mill are shown in figure 1 and 2 respectively. Figure [1] Rolling mill configuration 3. Types of Roll Chocks The roll chocks are broadly categorized into 4 types which is shown in fig 3Top Back up Roll Chock 1. Top Work Roll Chock 2. Bottom Work Roll Chock 3.

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How to optimize the roughing rolling mill roll to prevent

This table shows the type of rolling mill, the type of work roll used for the roughing mill, the total amount of rolled strips in the standard cycle, and whether the rolls have fatigue problems. (1. The table illustrates the current status of most hot strip mills in Europe in terms of roll types and rolling volume in one cycle. 2.This table

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Rolling Mill Roll Material Selection

Mar 28, 2019· Work Roll Material Selection ; The work rolls of rolling mill roll before rough rolling (R1): Work rolls before rough rolling must have toughness, wear resistance and thermal crack resistance. The hardness range is about HS40-55. Generally, 60CrNiMo cast steel and other material rolls .

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Work roll chock assembly for a rolling mill

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.

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(PDF) Characteristics of Rolling Mills with Roll Shifting

Currently, work roll shifting mill is the most effective mill for strip shape control [12,13] because it improves the strip crown accuracy and edge phenomenon, as well as permitting schedule free

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Rolling Mills

20 High Cluster Mills utilize small diameter work rolls which allow higher reductions on harder materials than other mill configurations. The multi-roll system having employs a unique roll configuration with adjustment capabilities to control strip shape and compensate for the effects of rolling a wide range of different strip widths to very thin thicknesses.

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METALLURGICAL APPLICATION TO WORK AND BACK UP .

Requirements of Rolling Mills should be considered: Rolls cost: It represents the 5% of the direct cost of a strip sheet rolling mill and 10% including the operation of the roll workshop. Cost of no-quality: The inlaid calamine because of the roll represents 150 000 € up to 450 000 € /year depending on the type of Hot Strip Rolling Mill.

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Rolling mill with offset work rolls positioned and

Rolling mill with offset work rolls positioned and controlled by support rolls and method of using same . United States Patent 5119656 . Abstract: A rolling mill for rolling metal strip moving in a horizontal rolling direction, has work rolls which engage the strip and are supported vertically by backup rolls through which drive is applied.

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The Hot Rolling Process

finishing mills, which will roll the steel in tandem with one another. The workhorse roughing mill has 135" wide rolls for rolling 'broadside' (as the first roughing mill is commonly called) to make a slab wider. A 5,000 hp motor drives 42"-diameter work-rolls through 28:1 gears to .

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Mill Rolls

The WHEMCO companies in Pennsylvania and Ohio, USA manufacture a full range of mill rolls – spun cast iron, cast steel and forged steel. We manufacture both cast and forged rolls for the most flat hot and cold rolling applications. We are now the sole producer of both cast work rolls and backup rolls .

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IOM3

Jun 09, 2021· Rolls for Hot Rolling. Join us for Session 1 of 4 from the Rolls for Metal Rolling. A series of webinars focusing on key themes facing the Rolling Mill / Metal Rolling industry. From the superb full conference programme scheduled for Rolls 6, we are now offering a selection of papers in a special series of Rolls for Metal Rolling Online Seminars.

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A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING .

all rolling schedules including stresses in the roll. As regards "abnormal" rolling conditions - which are more or less very "normal" for rolling mills - roll damage often occurs with consequences for the mill and the rolled product. Evidently the reasons of roll

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Abnormalities and Failures of Rolling Mill Rolls – IspatGuru

Dec 09, 2019· The rolls are the most critical part of the rolling mills and the performance of the rolling mill depends very much on the quality and the performance of the rolls. The rolls operate in severe conditions and their application demand an optimum combination of several properties such as wear resistance, and toughness etc.

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Cold Rolling Grinding

Pomini Tenova is the worldwide leader in the design and supply of Roll Grinders for flat product Rolling mills as well as of special machines for grinding of heavy components. Technical Excellence Wide range of machine capacities: from small cluster mill work rolls up to heavy plate back-up rolls.

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"Frequently Asked Questions about Hot Strip Mill Work Roll

The roll surface is crucial for work rolls in hot rolling mills. We have to deal with wear, oxidation, firecracks, sticking and friction. This paper starts with temperature simulations on and below the roll surface during rolling and takes common experience into consideration.

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Steel Rolling Mill Machine: Hot Rolling Roll

Apr 13, 2021· At present, there is a trend of using bucket steel rolls to replace forged steel rolls. The roll of the 6VH billet continuous rolling mill in the Baosteel blooming mill is made of forged semi-steel and forged cast iron with 1.7% ~ 2.4% C, which has good wear resistance and poor hot crack resistance.

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CATEGORY: ROLL SURFACE INDICATIONS AFFECTS: WORK .

associated with late stand work rolls in hot mill applications (AIC – Alloy Indefinite Chill). If present on the last stand work rolls, the orange peel texture can imprint onto the strip and result in improper strip surface quality. Extreme cases, may result in imprinting of the orange peel texture onto the strip surface from the second to last

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GENERAL ASPECTS OF ROLL COOLING FOR HOT & COLD .

rolling mill, dedicated roll cooling systems are required to fulfill the required functions. Examples are suitable roll cooling and lubricationsystems to fully utilize the advantages of HSS rolls in hot strip mills, and selective roll cooling systems as a method to control the flatness of the strip in cold rolling mills.

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Selection of Work Roll Diameter for Cold Rolling Mill*

most suitable diameter of work roll in rolling mills.1'2) Recent technological advances in the rolling equip-ments and their operation, however, require the modi-fication and addition of the presently adopted prin-ciples for the selection of roll diameter. The recent developments in the conditions of cold rolling .

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US5119656A

A rolling mill for rolling metal strip moving in a horizontal rolling direction, has work rolls which engage the strip and are supported vertically by backup rolls through which drive is applied. The work rolls are supported in the horizontal rolling direction by support rollers contacting them at locations confined to intermediate regions between the work regions and bearings.

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rolls for rolling mill

Feb 24, 2017· [email protected] Machinery and Metallurgical Rolls SINOM GROUP CO., LTD. 20 / 24 Forged Steel Rolls Cold Rolling Mill Work Roll Anti-rolling Mark Roll In rolling sheets for automobiles and electrical appliances, the dent imperfection brought by the foreign objects on the roll's surface will most probably be passed on to the strip

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Failure of a Work Roll of a Thin Strip Rolling Mill: A

Jan 01, 2014· About 10 hours of production loss was incurred in a thin strip rolling mill of an integrated steel plant due to in-service failure of an ICDP work roll.The roll spalled longitudinally through the length of the roll covering more than 95% of the barrel portion. The investigation included visual inspection, collection of mill data, ultrasonic inspection, chemical analysis, microstructural

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Rolling Mill Stand Geometry ‹ Danieli

After many years of service, the condition and alignment of mill stands deteriorates due to various factors, such as wear, corrosion, erosion or even foundation adjustment. This leads to problems attributed to incorrect positioning of work and back-up rolls and excessive movement of the roll chocks within the mill .

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Rolls For Cold Rolling Mill – Loyal Road Inc.

Rolls For Cold Rolling Mill Work Roll & Intermediate Roll Forged steel work roll performs as a tool to transform materials under normal room temperature, therefore, it is the most wear and tear spare parts during the rolling process .

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Rolls For Cold Rolling Mill – Loyal Road Inc.

Rolls For Cold Rolling Mill Work Roll & Intermediate Roll Forged steel work roll performs as a tool to transform materials under normal room temperature, therefore, it is the most wear and tear spare parts during the rolling process .

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