دریافت یک نقل قول

mill roll texturing using edt

ما

mill roll texturing using edt

Metallurgical Characterization of Electrical Discharge …

Surface texture of a temper mill work roll plays an important role in steel sheet production. Electrical discharge texturing (EDT) is a common texturing method to meet the strict

ادامه مطلب

Mill roll texturing using EDT

Currendy, shot blasting (SB), laser beam texturing (LBT) and electrical discharge texturing (EDT) are the three principal methods used to texture mill rolls, …

ادامه مطلب

Electrical discharge texturing

Thus, the imparted texture prevents damages to the sheets caused due to cohesive forces, when kept together in a bundle. Mill roll texturing application of EDT was investigated by researchers such as Aspinwall et al. (1992), McGeough and Rasmussen (1992), Simào et al. (1994, 1996), Kim et al. (1998), and Elkoca (2008).

ادامه مطلب

Optimization of Electrical Discharge Texturing for Large Surfaces using

Electrical discharge texturing (EDT) enables large area texturing in components such as mill rolls and bio-implants, where random overlay textures are suitable. Such large area texturing requires maintaining similar surface roughness values at all locations for consecutive samples made with same electrode under similar experimental conditions. …

ادامه مطلب

Chrome Deposit Corp

Keep your roll in-mill two to three times longer with chrome plating. Chrome Deposit Corporation specializes in chrome plating with 40-plus years of experience. ... Chrome Deposit Corporation's EDT Texturing machines are capable of texturing a roll face up to 84″, diameter up to 32″ and roll weight up to 12.5 tons. Only Chrome Deposit ...

ادامه مطلب

Novel Methods for Roll Texturing: EDT and Sandblast

Introducing the characteristics and application of shot-blast texturing (SBT), electrical discharge texturing (EDT), TOPOCROM texturing technologies, on hot-galvanizing skin pass mill, carrying ...

ادامه مطلب

Roll Mill

Mill roll texturing is one of the oldest and well-established applications of EDT process. Mill rolls were imparted random and isotropic surface textures using EDT. These textured rolls, when used in the rolling process, transfer these textures to the rolled sheets.

ادامه مطلب

Analytical Simulation of Random Textures Generated in …

Textured functional surfaces are finding applications in the fields of bioengineering, surface energy, hydrodynamics, lubrication, and optics. Electrical discharge machining (EDM), which is normally used to generate smoother surface finish on various automotive components and toolings, can also generate surfaces of rough finish, a …

ادامه مطلب

Laser-guided discharge texturing for cold mill roller

Now common methods of roller surface texturing include, a shot blast texturing (SBT), an electrical discharge texturing (EDT), a laser texturing (LT), and an electron beam texturing (EBT). ... Elkoca (2008) studied the properties of the recast white layer on the surface of the skin pass mill work roll by EDT. It was found that the …

ادامه مطلب

ROLL TEXTURING BY ELECTRONIC DISCHARGE …

called EDT - Electrical Discharge Texturing - makes roll texturing possible through CNC controlled spark erosion. Over 80 EDT-machines have been manufactured by …

ادامه مطلب

Advances in Electro-Discharge Texturing ( EDT ) for Cold Mill Work Rolls

Non-directional and diffuse reflecting photometric proper ties may be imbued to a metal sheet Stock, particularly aluminum alloy sheet Stock, by directly creating a textured Surface on one or more Surfaces of the sheet Stock through mechanical texturing with at least one textured work roll in a cold roll reducing mill. A textured metal sheet Surface thus …

ادامه مطلب

An Intelligent Concurrent Knowledge-Based System for

Monitoring and Control of Electro-discharge Texturing Process for Steel Cold Mill Work Rolls, NAMRAC-13 Conference, Berkeley, USA, p.470–475. ... F. EL-MENSHAWY (1991), Advances in Electro-Discharge Texturing (EDT) for cold mill work Rolls, Iron and Steel Engineer, p.57–59. Google Scholar Download references. Author information. Authors …

ادامه مطلب

Electrical discharge texturing

Mill rolls finished by electrical discharge texturing (EDT) are widely used in the manufacture of steel and aluminium alloy sheet / strip. Appropriate selection of …

ادامه مطلب

EDT Roll Texturing

Benefits of EDT Full and complete texturing of the roll. Unrivalled control of the process variables – current, voltage, spark duration and electrode to roll gap ... Aluminium and low volume steel mills: Ra Range (on roll) 0.5 - 15microns: 0.5 -15microns: 0.5 -15microns: 0.5 -15microns: Roll Diameter Range: 200 -850mm: 200 - 800mm: 200 ...

ادامه مطلب

Surface alloying using PM composite electrode materials when electrical

Traditionally, specific roll textures were produced using cross-grinding and shot blasting (SB), however, these have largely been supplanted over the last 20 years by electrical discharge texturing (EDT), laser beam texturing (LBT) and more recently, electron beam texturing (EBT) techniques [3], [4], [5]. Such processes allow rolls to be ...

ادامه مطلب

Surface texture transfer in simulated tandem and temper mill …

The EDT rig comprised a DC servo quill assembly fitted with a single graphite electrode connected to a dual voltage pulse generator. In addition results are presented from a "tandem mill" simulation which gives texture transfer parameters from the EDT roll to the sheet steel (CSI) for a 3% reduction.

ادامه مطلب

A study on the characteristics of electrical discharge textured …

EDT experiments C Si Mn Cr Mo Ni Fe 0.86 0.56 0.50 3.42 0.31 0.18 Balance Experimental studies were conducted on the basis of a work roll, which had been used for skin passing of the galvanized O. Elkoca / Surface & Coatings Technology 202 (2008) 2765–2774 Table 3 EDM test parameters Sample Discharge time (μs) Off-time (μs) Average current ...

ادامه مطلب

Hard chromium plating of EDT mill work rolls

Hard chromium plating of cold mill work rolls is common practice in order to maintain topography and increase roll service life. The paper details the effect of hard chromium plating on electrical discharge textured (EDT) roll surface topography and surface integrity. Comparative data with corresponding non-chromium plated EDT roll …

ادامه مطلب

Novel Methods for Roll Texturing: EDT and Sandblast …

The EDT (electron discharge texturing) method to roughen the cold rolling rolls gives a crater-like surface topography on the rolls which has a different surface …

ادامه مطلب

ELECTRO-DISCHARGE TEXTURING OF TOOLS SURFACES …

ody parts and related requirements for work rolls of the rolling mills. For roughening the rolls to prepare a distinct surface topography, there are several methods currently …

ادامه مطلب

Analysis of electrical discharge texturing using different …

2 S. JITHIN ET AL. In 1990s, electrical discharge texturing (EDT) was introduced for the purpose of tex-turing mill rolls [1]. ED textured mill rolls were found to exhibit twice the running life in

ادامه مطلب

ADVANCES IN ELECTRO-DISCHARGE TEXTURING (EDT) FOR COLD MILL WORK ROLLS

Semantic Scholar extracted view of "ADVANCES IN ELECTRO-DISCHARGE TEXTURING (EDT) FOR COLD MILL WORK ROLLS" by F. El-Menshawy et al.

ادامه مطلب

Electrical Discharge Texturing (EDT)

• Roll grinding • Roll texturing (work rolls only) • Chrome plating (work rolls only) • Inspection • Chocking (reassembly of roll and chocks) • Return to mill Work Roll in Cold Mill Roll Shop Source: worldsteel: Interior view of high strength automotive steel facility (ID 32112), as per 16.10.2022

ادامه مطلب

ROLL TEXTURING BY ELECTRONIC DISCHARGE …

Superfinishing Unit the EDT-machine allows particularly the reduction of roll changes in the mill as well as constant roughness of the sheet during the rolling process. Key words: Texturing; Superfinishing; Surface; EDT. 1 Technical contribution to the 49th Rolling Seminar – Processes, Rolled and Coated Products, October,

ادامه مطلب

Mill roll texturing using EDT (1994) | J Simao | 24 Citations

The paper discusses the techniques now available for roll texturing, the developments that have occurred over the last decade and the main advantages provided by EDT over traditional SB methods. The results of an extensive series of tests aimed at evaluating operating variables when texturing steel work rolls using EDT are presented.

ادامه مطلب

Optimization of Electrical Discharge Texturing for …

Large area texturing using EDM finds application in mill rolls [1], ortho-implants [2], and solar cells [3]. Each of these applications require different surface roughness values which can be provided through electrical discharge texturing (EDT), the texturing variant of EDM. The range of roughness

ادامه مطلب

A study on the characteristics of electrical discharge textured …

This surface texture is imprinted from the rolling mill roll onto the rolled sheet by skin rolling [2]. The modification of the surface topography of rolling mill rolls commonly results in a random surface texture pattern using, for example, sandblasting or electro discharge texturing (EDT) [3,4].

ادامه مطلب

Wikipedia Electro Discharge Texturing Of Mill Rolls

Mill roll texturing using EDT ResearchGate. Mill roll texturing using ... (SB), laser beam texturing (LBT) and electrical discharge ... methods used to texture mill rolls, however, electron beam texturing ... INTEGRATED ROLL SERVICES cold rolling mills roll grinding ...

ادامه مطلب

(PDF) Analysis of electrical discharge texturing using different

The conclusions are as follows: The electro-discharge texturing (EDT) roll has a homogeneous roughness distribution and shape, and also a sinuous peak surface, and the life time is 2 times longer ...

ادامه مطلب

(PDF) Effect of EDT surface texturing on tribological behavior …

Mill roll texturing using EDT. Journal of Materials Processing Technology 45, 207–214. Steinhoff, K., Rasp, W., Pawelski, O., 1996. Development of deterministic-stochastic surface structures to improve the tribological conditions of sheet forming processes. Journal of Materials Processing Technology 60, 355–361.

ادامه مطلب