micro grinding kinematics

Potentials of Different Process Kinematics in Micro Grinding

2003-1-1 · Potentials of Different Process Kinematics in Micro Grinding B. Denkena, T. Friemuth, M. Reichstein Institute of Production Engineering and Machine Tools, Hannover, Germany Submitted by H.K. Tonshoff ( I ) , Hannover, Germany Abstract The work described in this paper evaluates the potentials of different process kinematics in micro grind- ing.

Potentials of Different Process Kinematics in Micro Grinding

The work described in this paper evaluates the potentials of different process kinematics in micro grinding. First investigations in peripheral and face grinding pointed to specific characteristics of these processes. The machining process can be characterised by the surface quality of the parts.

Potentials of Different Process Kinematics in Micro Grinding

The grinding tool consists of a sphere with an abrasive surface that is able to perform a shaftless micro machining, allowing novel grinding kinematics on hard and brittle materials, such as glass ...

Kinematics and experimental study on ultrasonic vibration ...

2015-1-20 · Ultrasonic-assisted grinding has been increasingly investigated for its advanced machining capability for hard-to-machine materials. Ultrasonic-assisted micro end grinding (UAMEG) is a promising technology to improve machining performance of conventional micro end grinding. Interrupted cutting is one of the most important points for UAMEG. The critical conditions for achieving interrupted ...

Kinematic Analysis of Ultrasonic Vibration Assisted Micro ...

A new processing method, ultrasonic vibration assisted micro end grinding (UAMEG), is proposed to improve micro grinding technology, aiming at machining of brittle-rigid material micro components. Trajectories of adjacent two abrasive were modeled and simulated to perform kinematic investigation and mechanism analysis. The critical condition of regular high-frequency abrasive-workpiece ...

Analytical and experimental investigations on the ...

2020-2-1 · A method was developed to understand the undeformed chip geometry considering grit kinematics in micro grinding. Abstract. Micro grinding is an emerging technology for producing structured surfaces on hard and brittle materials. A micro pencil grinding tool (MPGT) consists of a layer of superabrasive grits, bonded to a solid cylindrical surface.

Structuring of Bioceramics by Micro-Grinding for Dental ...

2019-5-9 · 2.3. Process Kinematics and Experimental Conditions In order to machine dental threads, as illustrated in Figure 1, the micro-grinding process kinematics were carried out on a DMG Sauer 20 linear machine tool (DMG Sauer GmbH, Bielefeld, Germany) under a water-based lubricant that also provided cooling, lubrication, and chip removal.

Ultrasonic vibration assisted grinding of hard and brittle ...

2017-4-1 · The kinematics of the UVAG for micro-structures was first analyzed by considering both the vibration trace and the topological features on the machined surface. Then, the influences of the ultrasonic vibration parameters and the tilt angle on the ground quality of micro-structured

Submerged micro grinding: a metalworking fluid

2020-4-22 · Micro machining with micro pencil grinding tools (MPGTs) is an emerging technology that can be used to manufacture closed microchannel structures in hard and brittle materials as well as hardened steels like 16MnCr5. At their current operating conditions, these tools have a comparatively short tool life. In previous works, MPGTs in combination with a minimum quantity lubrication (MQL)

微沟槽结构的精密磨削仿真与试验验证

2020-1-11 · Abstract: In order to study the influence of micro-groove structure precision grinding, based on grinding wheel dressing and grinding kinematics, a grinding simulation model for the micro-groove structural surface is established.

Kinematics and experimental study on ultrasonic vibration ...

2015-1-20 · Ultrasonic-assisted grinding has been increasingly investigated for its advanced machining capability for hard-to-machine materials. Ultrasonic-assisted micro end grinding (UAMEG) is a promising technology to improve machining performance of conventional micro end grinding. Interrupted cutting is one of the most important points for UAMEG. The critical conditions for achieving interrupted ...

Kinematic Analysis of Ultrasonic Vibration Assisted Micro ...

A new processing method, ultrasonic vibration assisted micro end grinding (UAMEG), is proposed to improve micro grinding technology, aiming at machining of brittle-rigid material micro components. Trajectories of adjacent two abrasive were modeled and simulated to perform kinematic investigation and mechanism analysis. The critical condition of regular high-frequency abrasive-workpiece ...

Kinematics and experimental study on ultrasonic vibration ...

Kinematics and experimental study on ultrasonic vibration-assisted micro end grinding of silica glass June 2015 The International Journal of Advanced Manufacturing Technology 78(9-12)

Analytical and experimental investigations on the ...

2020-2-1 · A method was developed to understand the undeformed chip geometry considering grit kinematics in micro grinding. Abstract. Micro grinding is an emerging technology for producing structured surfaces on hard and brittle materials. A micro pencil grinding tool (MPGT) consists of a layer of superabrasive grits, bonded to a solid cylindrical surface.

Submerged micro grinding: a metalworking fluid

2020-5-9 · Submerged micro grinding: a metalworking fluid application study Peter A. Arrabiyeh 1 & Marius Heintz1 & Sonja Kieren-Ehses1 & Martin Bohley1 & Benjamin Kirsch1 & Jan C. Aurich1 ... Figure 2 depicts the process kinematics and the parameters used in this study. The MPGT rotates clockwise around its axis at a 30,000 rpm, and the workpiece moves ...

Structuring of Bioceramics by Micro-Grinding for Dental ...

2019-5-9 · 2.3. Process Kinematics and Experimental Conditions In order to machine dental threads, as illustrated in Figure 1, the micro-grinding process kinematics were carried out on a DMG Sauer 20 linear machine tool (DMG Sauer GmbH, Bielefeld, Germany) under a water-based lubricant that also provided cooling, lubrication, and chip removal.

GrindBall: an advanced micro-grinding tool | SpringerLink

2013-4-20 · Figure 2 shows a diagram with the experimental kinematics, grinding conditions, and results of force measurements. Typical normal grinding forces lie under 0.5 N and feed forces under 0.1 N with typical depths of cut a e = 10–20 μm and infeed velocities of v f = 3–10 mm/min for the process of micro-grinding. These values therefore provide ...

Micro-machining processes for microsystem technology ...

2006-4-21 · By means of experiments it could determined that micro-machining processes as grinding, drilling and milling are a good addition to the established production technologies in micro technology. To machine hard and brittle materials grinding with diamond tools is well suitable, but the kinematics of the grinding process, as well as the process strategy has a significant influence on the machined ...

Submerged micro grinding: a metalworking fluid

2020-4-22 · Micro machining with micro pencil grinding tools (MPGTs) is an emerging technology that can be used to manufacture closed microchannel structures in hard and brittle materials as well as hardened steels like 16MnCr5. At their current operating conditions, these tools have a comparatively short tool life. In previous works, MPGTs in combination with a minimum quantity lubrication (MQL)

Application of Ultra-Small Micro Grinding and Micro ...

Current demands for flexible, individual microstructures in high quality result in high requirements for micro tools. As the tool size defines the minimum structure size, ultra-small tools are needed. To achieve tool diameters of 50 µm and lower, we investigate the complete manufacturing chain of micro

Submerged micro grinding: a metalworking fluid

2020-5-9 · Submerged micro grinding: a metalworking fluid application study Peter A. Arrabiyeh 1 & Marius Heintz1 & Sonja Kieren-Ehses1 & Martin Bohley1 & Benjamin Kirsch1 & Jan C. Aurich1 ... Figure 2 depicts the process kinematics and the parameters used in this study. The MPGT rotates clockwise around its axis at a 30,000 rpm, and the workpiece moves ...

GrindBall: an advanced micro-grinding tool | SpringerLink

2013-4-20 · Figure 2 shows a diagram with the experimental kinematics, grinding conditions, and results of force measurements. Typical normal grinding forces lie under 0.5 N and feed forces under 0.1 N with typical depths of cut a e = 10–20 μm and infeed velocities of v f = 3–10 mm/min for the process of micro-grinding. These values therefore provide ...

MA MICROGRIND

Outstanding grinding results will be achieved in the application of double disc surface and fine grinding/flat honing with planets kinematics employing CBN or diamond grinding tools. A high-quality surface finish, as well as a precise flatness, parallelism and apposite geometry to the required functional surfaces are given.

Modeling and simulation of grinding processes based on

2010-5-19 · the engagement condition for all micro-modes quantitatively, a virtual grinding wheel model is developed based on wheel fabrication procedure analysis and a kinematics simulation is conducted according to the operational parameters of the grinding process.

Application of Ultra-Small Micro Grinding and Micro ...

Current demands for flexible, individual microstructures in high quality result in high requirements for micro tools. As the tool size defines the minimum structure size, ultra-small tools are needed. To achieve tool diameters of 50 µm and lower, we investigate the complete manufacturing chain of micro

Micro-grinding of titanium - Chalmers

IV Micro-grinding of titanium Mohammadali Kadivar Department of Industrial and Materials Science Chalmers University of Technology Abstract Titanium and its alloys are difficult-to-cut materials, commonly used in several application fields,

Modeling of micro-grinding forces considering dressing ...

2020-10-29 · This paper is concerned with developing prediction model for cutting forces in micro-grinding. The approach is based on the probabilistic distribution of undeformed chip thickness. This distribution is a function of the process kinematics, properties of the workpiece, and micro-topography of the grinding tool.

Modelling of grinding gap macro geometry and workpiece ...

Drazumeric et al. (2010) have done the modelling of micro-gap geometry and workpiece kinematics during through-feed centreless grinding. Hashitomo and Lahoti (2004) have optimised the setup ...

(PDF) The role of specific energy in micro-grinding of ...

a). Experimental setup of the micro-grinding process, b) dressing unit and kinematic, c) schematic of a peripheral micro-grinding, d) experimental setup for single grain tests.

Grinding Process Size Effect and Kinematics Numerical ...

1999-5-1 · The present work developed numerical codes that simulate steady-state grinding process kinematics. The three-dimensional modeling procedure entails the following: specifying the sizes, shapes, and positions of individual abrasive grains on the wheel surface; geometrically calculating the abrasive grains’ depth of cut distributions along the grinding zone as they pass through the grinding ...

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