iron ore mobile crusher in chile

Jaw Crusher

As a classic primary crusher with stable performances, Jaw Crusher is widely used to crush metallic and non-metallic ores as well as building aggregates or to make artificial sand.

Input Size: 0-1020mm
Capacity: 45-800TPH

Materials:
Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore

Application:
Jaw crusher is widely used in various materials processing of mining &construction industries, such as it is suit for crushing granite, marble, basalt, limestone, quartz, cobble, iron ore, copper ore, and some other mineral &rocks.

Features:
1. Simple structure, easy maintenance;
2. Stable performance, high capacity;
3. Even final particles and high crushing ratio;
4. Adopt advanced manufacturing technique and high-end materials;

Technical Specs

cold rolling mill with tension bridle

US5660070A Cold rolling mill with tension bridle

The invention is also applicable to reversing cold rolling mills whereby a tension bridle is positioned at each end of the reversing mill. By placing a tension bridle after the final reducing...

Cold rolling mill with tension bridle Carolina Steel

5. The reversing cold rolling mill of claim 4 wherein said first tension bridle and said second tension bridle each have roll contact with said metal strip on each flat surface of said metal strip. 6. The reversing cold rolling mill of claim 4 wherein the back-up rolls of said first

Tension Bridle Roll System Enhancing Technology

CONTACT INFORMATION. Name: Patrick Guo Mob: 008618906172939 Tel: (0086) 0510-88993770 Fax: (0086) 0510-88582988 Email: [email protected] Address: No. 38, Zhanhong

cold rolling mill with tension bridle zakousnisesnami.cz

Cold Rolling Mill With Tension Bridle uniqueevent. cold rolling mill with tension bridle dishadarshak,bridle,,,,, The paper is subjected to euler formula and IBA analogical technology researching analyzes on the bridle roll Sliding for the cold rolling mill. More

Cold Rolling Mills Strip Tension BLH Nobel

COLD ROLLING MILLS: STRIP TENSION. High consistency in rolling mill operation requires a high accuracy in tension measurement. The BLH Nobel strip tension systems for rolling mills measures the actual resultant strip tension force, as opposed to measuring the indirect force given by the electrical drives current, increasing measuring accuracy and reactivity.

Rev1 Recent Development of Skinpass Mill and Tension

2013-11-11  (3) Skinpass mills and tension levelers used for general cold rolling steel plates There are a skinpass mill and a tension leveler installed on the outlet side of a continuous annealing line (CAL), or there is a tension leveler installed on the inlet side of the line with a purpose of improvement of traveling stability in the furnace by carrying out the shape correction of a material before being annealed. In the case of being used off-line, there are a skinpass mill and a tension leveler

Technology for Reducing Strip Meandering in Tandem

2020-3-6  methods. On the entry side of the tandem rolling mill, however, the rolled material is fixed by a bridle roll in the width and traveling directions and cannot rotate on the entry side of the rolling mill. Due to this constraint, a tension distribution, σ′E(x), is formed on the entry side of the rolling mill (Fig. 1(b)).

PRECISELY CONTROLLED STRIP TENSION BTU Bridle

Umlauf Bridles increase and decrease strip tension as required at virtually any position along the production chain, from the cold rolling mill down to the finishing facilities and in service centers.

POWER IN ROLLING idc-online

2019-2-4  POWER IN ROLLING Power is applied to the rolling mill by applying Torque to the rolls and by using roll strip tension.The total rolling load is distributed over the arc of contact. However, the total rolling load can be assumed to be concentrated at point along the arc of contact ata distance ‘a’ from the line of centers of the rolls.

1. Hot rolling and rolling defects: 1.1 Front and back

2019-2-4  Reducing the roll gap increases the roll pressure to p3. Gage control in multiple rolling mills is achieved through measurement of strip thickness using x-ray gage and adjusting the strip tension using feedback control system. 1.8 Rolling defects: Mill spring is a defect in which the rolled sheet is thicker than the required thickness because,

Tension Leveling and Skin Passing in a Galvanizing Line

2009-11-6  Passing steel sheet through a skinpass mill imposes tension and compression on the metal, the effect of which is to modify the metal's mechanical characteristics and metallurgical properties and to give a particular desired surface. The yield point present in the steel after annealing will be altered by light cold rolling.

A BASIC UNDERSTANDING OF THE MECHANICS OF

2003-10-15  on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC

THREE-STAND PLTCM: TECHNOLOGY AND FILED

2020-4-6  At the entry of the tandem cold mill, there is a system to centre the incoming strip, removing all the errors accumulated in the exit looper with ± 5 mm accuracy. Then, a four-roll bridle is used to control the entry mill tension, filtering all the incoming tension noise from the exit looper with ±2% in steady state, ±4% of pre-set value.

Analysis of the Effect of Tension at the Entry of Cold

tion of rolling, known as strip track-off, is a serious opera-tional problem that can lead to mill crashes and damaged rolls. It predominately occurs at the entry of the tandem cold mill, where the entry tension is relatively low. Operational experience suggests that the strip tracking problem could be reduced if the tension applied to the strip

Quality Improvement in Finished Cold Rolled

2016-9-9  Practically the all defects in cold rolling inspected before dispatching the material to the customer at skin pass mill. R&C Inspection wings generally focused over four “S” i.e. Shape, Size, Surface and Safety during their inspection. Cold rolling improves the surface finish and holds tighter tolerances. This will certainly affect the quality

PRECISELY CONTROLLED STRIP TENSION BTU Bridle

Precise strip tension control Two Umlauf Bridle units, one arranged ahead and one after, let’s say, a rolling stand or a leveler, can adjust virtually any strip tension required. This capacity makes it possible to enhance the rolling process by adjusting a specific strip tension relative to the rolling force,

Cold Rolling Mills Strip Tension BLH Nobel

COLD ROLLING MILLS: STRIP TENSION. High consistency in rolling mill operation requires a high accuracy in tension measurement. The BLH Nobel strip tension systems for rolling mills measures the actual resultant strip tension force, as opposed to measuring the indirect force given by the electrical drives current, increasing measuring accuracy and reactivity.

Danieli cold rolling mill and tension leveling line in

Danieli Fata Hunter has supplied and installed a cold rolling mill and a tension leveling line at the new Eurometal greenfield plant located in the new Kleszczów Industrial Park in Poland. The cold rolling mill produces 120,000 tpy of aluminium coils, coming from two casting machines, with a thickness of 10 to 6 mm and which are rolled down to

Precisely controlled striptension BTU Bridle Technology

2 天前  BTU was founded in 1985 by Norbert Umlauf who had developed a technology capable of flexibly building up or reducing the back-tension of strip in strip processing lines while adjusting strip travel in a highly precise manner. That technology helped operators of strip processing lines in cold rolling mills and steel service centers to increase

Cold Rolling an overview ScienceDirect Topics

Cold rolling reduction is an important factor that affects drawability of IF steel. It has been observed that increasing cold rolling reduction increases the r m value, at least up to 90% [34].This effect has been shown in Fig. 5.14.Perhaps the most important parameters in the production of a strong {111} recrystallization texture are the annealing temperature and the time of holding [35].

China Stainless Steel Cold Rolling Mill/ Partial 8hi Steel

2. Overview The production of this unit is to roll picked stainless steel coils with the thickness of 1.5 ~ 3.5mm into high precision cold rolled coils with the thickness of 0.3 ~ 1.0mm through several time of rolling. It adopts single-stand MKW reversible cold rolling mill, The large tension coiler and thickness gauge etc, which can realize large tension rolling and guarantee high-speed and

6-High Cold Rolling Mill TMC_EN

Type. 6-High reversing cold reduction mill TMC Standard 6R395CRM) 395/440/1200mmx1.700mme. Product coil specification. Thickness. 0.5-0.6mm.

Precisely controlled striptension BTU Bridle Technology

2 天前  BTU was founded in 1985 by Norbert Umlauf who had developed a technology capable of flexibly building up or reducing the back-tension of strip in strip processing lines while adjusting strip travel in a highly precise manner. That technology helped operators of strip processing lines in cold rolling mills and steel service centers to increase

Modeling and simulation of the strip tension in bridle

Finally, simulation research is carried out on the speed and tension system of a 1422 mm reversible cold strip rolling mill by using the actual data, and the results show the validity of the

Design and Calculation of Bridle Rolls in Cold Mill

Based on the determining of the geometry parameter and material choosing of bridle rolls,tension calculation,power calculation,Torque checking,the design and calculation of bridle rolls in aftertreatment lines is detailedly discussed here,this have important effect on accurately obtaining the value and the variation rule of the tension,setting reasonable tension,improving product quality and

Synthesis of Tension Control Systems for Winders of Cold

2020-10-2  In tension control systems, the node for dynamic compensation of disturbance caused by a change in the speed of the rolling stand of cold-rolled sheet mills can contain only one channel that compensates only for the dynamic component. The limitation of the disturbance component due to the inaccuracy in the operation of the indirect torque

CHATTER PREVENTION IN STANDS OF CONTINUOUS

ous cold rolling mills. It was found that chatter occurs under those process conditions, which involve violation of a condition of strip rolling with tension because of ongoing change of the process state, when the process proceeds now with tension and now with pushing because of variation of strip volumes per second in a negative or positive

Modernization of a 2-stand temper mill

2021-2-15  Modernization of a 2-stand temper mill at U.S. Steel Kosice s.r.o., Slovakian Republic Based on ABB IndustrialIT for Cold Rolling Mills, ABB has supplied a complete solution for the modernization of the two-stand rolling mill at U.S. Steel in Kosice. The ABB scope of supply included the operator concept, pre-studies and simulations, engineering

Rolling of Metals

2015-5-12  –Rolling at elevated temperatures to lower the strength of the material –Apply longitudinal tension to the strip during rolling –back tension on the pay-off reel or front tension on the take-up reel • Grind rolls with a camber to prevent crowning of the rolled strip • Radius of maximum camber point generally 0.25 mm

An advanced model of lubricated cold rolling with its

2.5. Roll flattening. Because of the significant stresses in cold rolling, the elastic flattening of the rolls has to be included in the model. For this reason, the circular roll flattening models of Hitchcock (1935) and Bland and Ford (1952), in which solely the radius of the roll is increased to introduce its flattening, as well as the non-circular roll flattening model of Jortner et al

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