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Two application areas

Metal and non-metal mines, cement, sand and gravel, metallurgy and other industries;

Cement

Metallurgy

Architecture

Mine

Medium and fine crushing, such as iron ore, non-ferrous metal ore, granite, limestone, quartzite, sandstone, river pebbles and other ores and rocks.

Iron ore

Granite

limestone

Manganese ore

River pebbles

Basalt

Gold mine

Copper ore

Solid product performance, brand-new crusher structure, and optimized laminated crushing cavity make it high in crushing efficiency and good product size. The new hydraulic control system makes the maintenance and adjustment of the crushing process more convenient and accurate.
At the same time, Liming Heavy Industry has a sales and service network all over the country and even around the world, and can also provide you with convenient, fast and professional technical support and after-sales service anytime and anywhere.

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The Proper Selection of Grinding Conditions in

Peters J., Snoeys R., Decneut A. (1976) The Proper Selection of Grinding Conditions in Cylindrical Plunge Grinding. In: Koenigsberger F., Tobias S.A. (eds) Proceedings of the Sixteenth International Machine Tool Design and Research Conference. Palgrave, London. https://doi.org/10.1007/978-1

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Automated Sensor Selection and Fusion for

2008-6-5  This paper deals with the development of an online monitoring system based on feature-level sensor fusion and its application to OD plunge grinding. Different sensors are used to measure acoustic emission, spindle power, and workpiece vibration signals, which are used to monitor three of the most common faults in grinding—workpiece burn, chatter, and wheel wear.

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Lean Selection: JUNKER Group

The Lean Selection shaft is an economical machine concept for grinding recesses and flat surfaces and for diameter machining with multiple grinding wheels. It performs a wide range of combined grinding operations using the straight and/or in inclined plunge-cut grinding method.

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Optimum selection of grinding parameters using

1991-9-1  The stage one input forms the basis of wheel selection by 'WSExpert' and recommendation of grinding parameters by OPExpert' and consist of the foUowing data: Type of grinding operation, i.e., traverse/plunge Workpiece material type and hardness, Workpiece size, surface contour and surface finish 192 The knowledge base of 'OPExpert' contains ...

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Estimation of the active grains load in different ...

2017-8-29  grinding [7 ,8 11–13], reciprocal grinding, plunge grind-ing, and plunge grinding with oscillations have to be con-sidered. In this way, the active grains load on the GWAS in each variant of the internal cylindrical grinding process can be assessed. The literature available provides descrip-tions of the temporary material removal rate in different internal cylindrical grinding kinematic variants [1–4,

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GRINDING FEEDS AND SPEEDS

2019-3-11  Grinding Wheel Selection for Cylindrical Grinding The listing of grinding wheel specifications for commonly used materials (on page 80) serves the purpose of general information only. It may be used as a first approach in grinding wheel selection for cylindrical grinding operations, should more pertinent data, as from comparable past operations ...

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The Grinder's Toolbox - The Grinding Doc – home

2021-6-8  The program for cylindrical-plunge grinding allows users to calculate the grit penetration depth, aggressiveness and specific material removal rates for different combinations speeds feeds, helping the user increase feedrates while making him

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On the Mechanics of the Grinding Process Under

Two broad categories of grinding action are recognized; one where negligible ploughing and rubbing take place and where the plunge velocity versus normal force intensity curve is a straight line through the origin, the other where ploughing and rubbing predominate and the plunge velocity versus normal force intensity curve is concave upward.

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A Grinding Power Model for Selection of Dressing and ...

1999-11-1  The semi-empirical model developed in this paper can be used to predict the variation of the grinding power during the wheel redress life cycle. Therefore the model can be used to guide the selection of dressing and grinding conditions. The potential use of the model for adaptive control of the grinding process is also described.

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Correlation of grinding wheel topography and

2008-11-21  The signal from the capacitive sensing system was recorded by the digital oscilloscope LeCroy 9300 series. After truing the wheel was dressed by plunge grinding into an abrasive stick A320 with a depth of 10–15 mm and at a plunge rate of approximate 150 mm/min. Table 2 summarises the truing conditions.

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Fast time constant estimation for plunge grinding

1999-1-1  Plunge grinding is one of the most important machining operations in metal working production. During a plunge grinding process, the grinding wheel rotating at a high speed moves only in a normal direction towards the workpiece that rotates at a much lower speed and such action results in a rapid reduction of workpiece size. ... The selection ...

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Direct adaptive control of plunge grinding process

1995-10-1  Total material removed, i.e. material removal by a grinding wheel with active width of bs(mm) at the end of the operation is Direct Adaptive Control of Plunge Grinding Process 1449 ~rdwb,z Vw = 2 (mm3)" (1) The specific material removal is defined by the material removal done by the unit width of the wheel, "trd,,,b,z (mm3/mm)" V'- 2b, (2) If ...

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The Grinder's Toolbox - The Grinding Doc – home

2021-6-8  The program for cylindrical-plunge grinding allows users to calculate the grit penetration depth, aggressiveness and specific material removal rates for different combinations speeds feeds, helping the user increase feedrates while making him

Get Quote

GRINDING FEEDS AND SPEEDS

2019-3-11  Grinding Wheel Selection for Cylindrical Grinding The listing of grinding wheel specifications for commonly used materials (on page 80) serves the purpose of general information only. It may be used as a first approach in grinding wheel selection for cylindrical grinding operations, should more pertinent data, as from comparable past operations ...

Get Quote

On the Mechanics of the Grinding Process Under

Two broad categories of grinding action are recognized; one where negligible ploughing and rubbing take place and where the plunge velocity versus normal force intensity curve is a straight line through the origin, the other where ploughing and rubbing predominate and the plunge velocity versus normal force intensity curve is concave upward.

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Grinding Research Lab : People

2011-6-17  Ashok G. Rao, "Optimal Infeed Strategies and Intelligent Machine Control for Plunge Grinding", MS, University of Massachusetts, May 1989. Neng-Hsin Chiu, "Computer Simulation for Cylindrical Plunge Grinding", MS, University of Massachusetts, September 1989.

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A Grinding Power Model for Selection of Dressing and ...

1999-11-1  The semi-empirical model developed in this paper can be used to predict the variation of the grinding power during the wheel redress life cycle. Therefore the model can be used to guide the selection of dressing and grinding conditions. The potential use of the model for adaptive control of the grinding process is also described.

Get Quote

Dynamic Model of Oscillation-Assisted Cylindrical

2013-9-11  In this paper, the mathematical model of the oscillation-assisted cylindrical plunge grinding process has been presented. In this model, the dynamical properties of the grinder, self-excited vibration (regenerative chatter), and nonlinear behavior of the grinding force have been taken into consideration.

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Correlation of grinding wheel topography and

2008-11-21  The signal from the capacitive sensing system was recorded by the digital oscilloscope LeCroy 9300 series. After truing the wheel was dressed by plunge grinding into an abrasive stick A320 with a depth of 10–15 mm and at a plunge rate of approximate 150 mm/min. Table 2 summarises the truing conditions.

Get Quote

Grinding Tips - Promethean Knives

2021-6-24  Belt Selection. Belt selection is also important. Cheap belts, or the wrong belts for an application, will wear out quickly and will take much more time and effort, and that tends to produce a blade that doesn't look very good. For rough grinding metal, I

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Fast time constant estimation for plunge grinding

1999-1-1  Plunge grinding is one of the most important machining operations in metal working production. During a plunge grinding process, the grinding wheel rotating at a high speed moves only in a normal direction towards the workpiece that rotates at a much lower speed and such action results in a rapid reduction of workpiece size. ... The selection ...

Get Quote

On-Line Optimization for Internal Plunge Grinding ...

1996-1-1  On-Line Optimization for Internal Plunge Grinding G. Xiao, S. Malkin (1). Department of Mechanical and Industrial Engineering, Engineering Lab Building, University of Massachusetts, USA Received on January 3,1996 Abstract An on-line optimization system was developed for cylindrical plunge grinding to minimize production time while ensuring part quality requirements.

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Direct adaptive control of plunge grinding process

1995-10-1  Total material removed, i.e. material removal by a grinding wheel with active width of bs(mm) at the end of the operation is Direct Adaptive Control of Plunge Grinding Process 1449 ~rdwb,z Vw = 2 (mm3)" (1) The specific material removal is defined by the material removal done by the unit width of the wheel, "trd,,,b,z (mm3/mm)" V'- 2b, (2) If ...

Get Quote

On the Mechanics of the Grinding Process Under

Two broad categories of grinding action are recognized; one where negligible ploughing and rubbing take place and where the plunge velocity versus normal force intensity curve is a straight line through the origin, the other where ploughing and rubbing predominate and the plunge velocity versus normal force intensity curve is concave upward.

Get Quote

GRINDING FEEDS AND SPEEDS

2019-3-11  Grinding Wheel Selection for Cylindrical Grinding The listing of grinding wheel specifications for commonly used materials (on page 80) serves the purpose of general information only. It may be used as a first approach in grinding wheel selection for cylindrical grinding operations, should more pertinent data, as from comparable past operations ...

Get Quote

GRINDING PROCESS

Grinding wheels Grinding wheels can sharpen knives and tools Grinding wheels are produced by mixing the appropriate grain size of abrasive with required bond and then pressed into shape The characteristics of the grinding wheel depends on number of variables Specified by dia. of wheel, dia. of spindle hole and face width of wheel

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Suppressing Chatter in a Plunge Grinding Process ...

This paper investigates the regenerative chatter in a plunge grinding process. The effect of the contact force on the onset of chatter vibration is clarified by a proposed continuation algorithm, and the boundary for the chatter-free region in which the grinding process is stable is obtained. By varying the rotational speed of the workpiece continuously, the chatter vibration with the values ...

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Suppression of Regenerative Chatter in a Plunge

2013-7-17  This paper utilizes an effective control strategy to suppress the regenerative chatter in a plunge-grinding process. To begin with, the dynamical interaction between the workpiece and the grinding wheel is considered as a major factor influencing the grinding stability.

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The Grinder's Toolbox - The Grinding Doc – home

2021-6-8  The program for cylindrical-plunge grinding allows users to calculate the grit penetration depth, aggressiveness and specific material removal rates for different combinations speeds feeds, helping the user increase feedrates while making him

Get Quote

The Effect of Grinding Wheel Contact Stiffness on

This paper presents the effect of grinding wheel contact stiffness on the plunge grinding cycle. First, it proposes a novel model of the generalized plunge grinding system. The model is applicable to all plunge grinding operations including cylindrical, centerless, shoe-centerless, internal, and shoe-internal grinding. The analysis of the model explicitly describes transient behaviors during ...

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Fast time constant estimation for plunge grinding

1999-1-1  Plunge grinding is one of the most important machining operations in metal working production. During a plunge grinding process, the grinding wheel rotating at a high speed moves only in a normal direction towards the workpiece that rotates at a much lower speed and such action results in a rapid reduction of workpiece size. ... The selection ...

Get Quote

Development of the process model for plunge

2018-3-1  This article presents improved grinding roughness model established for cylindrical plunge grinding though analysing the existing roughness models. The proposed roughness model is to consider the uncertain effects of grinding, such as changes of grinding conditions and circumstance, as grinding procedure is progressed. ... The proper selection ...

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Application Guide Gear Grinding

2018-6-15  The selection of abrasive material and wheel configuration depends on the base alloy, tooth geometry, and ... • Plunge grinding Plunge grinding is also a discontinuous grinding process, in which machining is performed tooth by tooth. Both tooth flanks are machined simultaneously. There is

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On-Line Optimization for Internal Plunge Grinding ...

1996-1-1  On-Line Optimization for Internal Plunge Grinding G. Xiao, S. Malkin (1). Department of Mechanical and Industrial Engineering, Engineering Lab Building, University of Massachusetts, USA Received on January 3,1996 Abstract An on-line optimization system was developed for cylindrical plunge grinding to minimize production time while ensuring part quality requirements.

Get Quote

GRINDSTAR - Grinding machine: JUNKER Group

High-speed plunge-cut grinding. Minimal grinding times can be achieved with GRINDSTAR. This new kind of grinding method can be used both with CBN and diamond as an abrasive. Especially when dealing with large production volumes, this opens up scope for enormous savings. The machine is fitted with innovative coolant technology which helps to ...

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Suppressing Chatter in a Plunge Grinding Process ...

This paper investigates the regenerative chatter in a plunge grinding process. The effect of the contact force on the onset of chatter vibration is clarified by a proposed continuation algorithm, and the boundary for the chatter-free region in which the grinding process is stable is obtained. By varying the rotational speed of the workpiece continuously, the chatter vibration with the values ...

Get Quote

GRINDING PROCESS

Grinding wheels Grinding wheels can sharpen knives and tools Grinding wheels are produced by mixing the appropriate grain size of abrasive with required bond and then pressed into shape The characteristics of the grinding wheel depends on number of variables Specified by dia. of wheel, dia. of spindle hole and face width of wheel

Get Quote

Pocket Guide to Grinding Technique - Atlas Copco

2021-6-29  a selection guide chart and an illustration of tools in a typical working environment. In conclusion, we look at the Atlas Copco Group. We mention how our knowhow and worldwide commitment are a continu-ous assurance of maximum grinding benefits: product perfor-mance and quality, backed up by know-how, training, distribu-

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Grind Star Grinding Machine Lean Selection

The Lean Selection cam combines precision and efficiency and is ideally suited for manufacturing medium-sized to large series. Works with CBN abrasive. Lean Selection shaft. The Lean Selection shaft is an economical machine concept for machining of grooves and flat surfaces as well as diameter machining with grinding wheels sets.

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