grinding rotating magnetic field

Grinding of blood clots is achieved using a helical …

Download scientific diagram | Grinding of blood clots is achieved using a helical microrobot x and a magnetic-based robotic system y with two rotating dipole fields. The helical microrobot is ...

Enhanced grindability and mechanism in the magnetic …

1. Introduction. High-strength alloy materials have been applied to various key parts in the aerospace field for decades. For example, titanium alloy accounts for almost 30% of the weight of aerospace engines [1], [2], [3].With the increasing rigor of the requirements for precision and surface quality, grinding is attracting increasing interest …

Rotating Magnetic Field

Driving modes and characteristics of biomedical micro-robots. Libing Huang, ... Lei Ren, in Engineered Regeneration, 2023. 3.4.3 Rotating magnetic field. Rotating magnetic fields are highly versatile and can generate programmable uniform magnetic fields, where the direction of the magnetic field varies over time (Fig. 7 Ci). These fields have enabled …

Application of Alternating Rotating Magnetic Field to Electromagnetic

The working principle of the electromagnetic barrel finishing machine as well as the generating mechanism and effect of the alternating rotating magnetic field are analyzed, based on the electromagnetic theory to establish a mathematical model of the rotating magnetic field, by the ANSYS finite-element method, resolved the effect of the …

Study on ultra-precision magnetic abrasive finishing process …

Magnetic cluster can produce a fluctuating finishing force in alternating magnetic field. • Oily grinding fluid is more applicable to this process. ... Fix the tray on the magnetic pole and the tray self-rotation can be achieved by connecting the magnetic pole to motor I. Electromagnetic coil with the wire diameter of 1 ...

A stationary apparatus of magnetic abrasive finishing using a rotating

The Magnetic Abrasive Finishing (MAF) technique is defined as one of the advanced and nonconventional finishing processes, which is used to improve the characteristics and integrity of the finished surface (Hashimoto et al. 2016).In the MAF technique, a workpiece is placed in a magnetic field which is produced by a permanent …

Blanchard 20AD-36 Surface Grinder by Bourn & Koch

A Blanchard Surface Grinder consists of a vertical grinding spindle, with either a grinding wheel or grinding segments, and a rotating magnetic chuck. Numerous options are available for both grinding wheels and spindle drive horsepower combinations. New models have two servo controlled axes: the carriage (X-Axis) and the spindle head (Z …

Magnetic field affects electrochemical grinding

The advantage of magnetic field is felt in 186TRIBOLOGY international June 1977 600 560 _h 520 d 3 0 a d v 480 'c N 440 400 L 2 .Electrolytic grinding Mm echanical grinding Magnetic field 4 6 8 10 Feeding force, kg /cm2 ---D. 600 560 x 3 520 0 o. 480 440 4001 I I I I 2 4 6 8 10 Feeding force, kg l cm2 -~ Electrolytic grinding Mechanical ...

Updated magnetic separation techniques to improve …

A rotating magnetic drum mounted over the discharge lip of the screen effectively collects ferrous grinding media. These drums can often utilize rare earth …

Investigation on Finishing Characteristics of …

The magnetic abrasive finishing (MAF) process is an ultra-precision surface finishing process. In order to further improve the finishing efficiency and surface quality, the MAF process using an alternating …

Application of v-shaped magnet in inner surface polishing of tubes

Therefore, a new magnetic grinding and polishing method is proposed, in which the grooved V-shaped magnet is conductive to spontaneous mixing and stirring with magnetic abrasive grains, allowing them continually being replaced for inner surfaces polishing on the tube. ... W. Yan and H. Dejin, Design of rotating magnetic field about …

Magnetic field-assisted finishing: mechanism, application, …

14 The Magnetic Field in Various Situations

In this chapter we continue our discussion of magnetic fields associated with steady currents—the subject of magnetostatics. The magnetic field is related to electric currents by our basic equations begin{gather} label{Eq:II:14:1} FLPdiv{FLPB}=0,[1ex] label{Eq:II:14:2} c^2FLPcurl{FLPB}=frac{FLPj}{epsO}. ... A rotating charged ...

A Novel Magnetorheological Grinding Process for …

Thus, this shape of the tool provided maximum flux density at the outer cylindrical surface of the MR grinding tool as shown in Fig. 15.2a. Also, the direction of the magnetic field lines from the core to the workpiece can be seen in Fig. 15.2b. Due to this, magnetic field gradient is greater toward the MR grinding tool and less toward the …

Electromagnetic Distribution of Stacked HTS Tapes …

The characterization of high-temperature superconducting (HTS) tapes is crucial for the development of superconducting motors. Although the effect of perpendicular magnetic field or transmission current on the electromagnetic characteristics of HTS stacked tapes has been studied by many scholars, the numerical study on …

A review on magnetic abrasive finishing | The International

A review on magnetic abrasive finishing | The International …

Magnetic abrasive has been commercialized and composed of ferromagnetic phase (carbonyl iron particle) and abrasive phase (silicon carbide, alumina, diamond), which plays a critical role in finishing process [], as shown in Fig. 3.The main function of ferromagnetic phase is to make magnetic abrasive generate strong magnetic pressure under the …

Design and processing behavior of large tubes with a rotating magnetic …

A novel magnetic abrasive finishing (MAF) technique employing a rotating magnetic disc is developed to address the issue of uneven polishing on large-sized slender tubes. The method involves arranging a series of magnetic poles in an S–N-S–N configuration on a pair of rotating discs, with the tubes being processed fed between …

Investigation of the application of a magnetic abrasive …

A magnetic abrasive finishing process using an alternating magnetic field is proposed for the finishing of complex surfaces. In an alternating field, the periodic changes in current will cause the magnetic cluster used as a magnetic brush to fluctuate, which will not only continuously replace the abrasive particles in contact with the …

How rotating magnetic field works in AC machines

We'll now explain how a rotating magnetic field can be generated in the stator and air gap of an AC machine by means of alternating currents. Figure 1 – Two-pole three-phase stator. Consider the stator shown in Figure 1, which supports windings a …

Force effect of a circular rotating magnetic field of a …

The object of research is the force effect of a circular magnetic field of cylindrical inductors with alternating current windings on the actuator element of technological reactors – a ferromagnetic particle. Technologies using a rotating magnetic field and ferromagnetic particles (RMF and FP) are increasingly used in industry, in …

Effect of magnetic needle magnetic particle grinding process …

In a rotating magnetic field, the magnetic needle is always subjected to an oblique downward force F and a couple moment M. Under M's action, the magnetic …

Rotating Magnetic Field and Electromagnetic Torque: …

This rotating magnetic field interacts with the current-carrying conductors of the rotor winding as a result of which the electromagnetic forces (as consequently, the electromagnetic rotating torque of the machine) acting on the rotor appears. Under the action of these electromagnetic forces, the rotor comes into rotation in the direction of ...

Development of a New Ultra-High-Precision …

In this paper, we propose a new ultra-high-precision magnetic abrasive finishing method for wire material which is considered to be difficult with the existing finishing process. The processing method …

The application of the informational theory to the analysis of …

Rotating magnetic field (RMF) was applied on a micromixer to break the laminar flow and induce chaotic flow to enhance mass transfer between two-immiscible …

Magnetic Abrasive Finishing Technology | SpringerLink

3.1.2 Force Analysis. The magnetic abrasive finishing is a new process to achieve workpiece surface finishing under the force generated in the magnetic field from the magnetic abrasive particles, and the relative motion between workpiece and magnetic poles [].As shown in Fig. 3.6, there is a pair of magnetic poles N and S, forming a …

grinding rotating magnetic field

grinding rotating magnetic field. Aug 19, 2018 · Rotating magnetic field is magnetic field which rotates in space about some point or axis. The North and South poles continuously rotates with a specific speed, called . Rotating Magnetic Field Electrical4U. 24/2/2012· October 23, 2020 by Electrical4U. When we apply a three-phase supply to a ...

A new study on magnetic liquid slurry in rotating magnetic fields …

In this paper, the self-forming processes of polishing tools used by a mixture of magnetic liquid slurry (MLS) under the effect of rotating magnetic fields are first clarified.

Numerical simulation of multiphysics coupling for magnetic …

In order to improve the surface quality of germanium wafer, the material removal behavior of germanium wafer under the action of solid-liquid two-phase flow was studied by means of rotating magnetic field magnetic fluid grinding and numerical simulation. Firstly, the grinding principle of magnetic fluid was introduced. Secondly, a simulation …

Hot tearing behavior and mechanism of AXJ530 alloy under rotating

Rotating magnetic field can effectively delay dendrite lapping during solidification of magnesium alloys. • Hot tearing initiation was inhibited by the grain refining effect of rotating magnetic field. • Electromagnetic forces optimize the feeding channel and increase the feeding drive.