About Us

Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

120

million

cubic meters

Industrial chain production base

70

national patents

689sets

national patents

170

Equipment service country

Company Culture

core values of the company

Create Value

Share Value

Observe Order

Respect Value

Service philosophy

Religious, fine, tight, and harmonious

LIMING spirit

Standardization, value, serialization, and differentiation will always exceed our contract

Brand Concept

Create and promote civilization, refine and interpret brilliantly

Business philosophy

Religious, meticulous, rigorous, and harmonious work

Our Global Footprint

Case Scene

Grinding Machine: Types, Parts, Working Operations

Grinding Machine Operations: Surface grinding operation:. It is used to make a flat surface, the rotating grinding wheel removes the material from... Cylindrical grinding operation:. This type of grinding operation

Operations that can be performed on grinding machine ...

29/05/2020  Grinding machine operations: The following stated below represent the operations that can be performed on a grinder: Surface grinding operation: This is done to obtain a flat surface as the rotating grinding wheel cut off the material from the top surface of the workpiece and gives the flat look. Cylinder grinding operation: This grinding

Different Types of Machining Operations and the

Grinding “Grinding is used to remove small amounts of material from both flat surfaces and cylindrical shapes. Surface grinders reciprocate the work on a table while feeding it into the grinding wheel. The depth to which the wheel cuts usually falls between 0.00025 and 0.001 in. Cylindrical grinders mount the workpiece on centers and rotate it while simultaneously applying the periphery of a spinning abrasive wheel to it. Centerless grinding

Grinding Machining Process : Complete Notes - mech4study

23/12/2018  Grinding operation is one of the machining processes which consume the highest specific cutting energy with very less material removal rate. The grinding process has the least material removal rate among other machining processes because of the following reasons-

Grinding Machine [Grinding Wheel, Types, Operations,

29/04/2018  The grinding process is truly a chip producing machining process. The rough surface of the abrasive wheel spreads into small portions of the workpiece as required. It is also known as a grinder. The grinding process is capable of producing very accurate sizes, equally accurate geometry like flatness or circle and extremely good surface finish. It is capable of machining hardness high-speed ...

Difference Between Machining and Grinding

05/06/2019  Machining Grinding; Machining is one bulk material removal process (i.e. high MRR). Thus it is economical and suitable to give proper size and also for semi-finishing. Grinding has low material removal rate and is preferred only for finishing. Accuracy and tolerance achieved by conventional machining operations are not so good. Achieving tolerance below 50µm is very difficult.

Operations that can be performed on grinding machine ...

29/05/2020  Grinding machine operations: The following stated below represent the operations that can be performed on a grinder: Surface grinding operation: This is done to obtain a flat surface as the rotating grinding wheel cut off the material from the top surface of the workpiece and gives the flat look. Cylinder grinding operation: This grinding

Grinding Machining Process : Complete Notes -

23/12/2018  In Grinding machine grinding wheel is work as a cutting tool and responsible for all machining processes. Grinding Process: Mechanism of Grinding: In the grinding process, a layer of abrasive is responsible for removing the material from the work piece. As machining starts, the abrasives of grinding

Grinding Machine [Grinding Wheel, Types, Operations,

10/05/2020  The grinding process is truly a chip producing machining process. The rough surface of the abrasive wheel spreads into small portions of the workpiece as required. It is also known as a grinder. The grinding process is capable of producing very accurate sizes, equally accurate geometry like flatness or circle and extremely good surface finish. It is capable of machining hardness high-speed ...

Difference Between Machining and Grinding

05/06/2019  Machining Grinding; Machining is one bulk material removal process (i.e. high MRR). Thus it is economical and suitable to give proper size and also for semi-finishing. Grinding has low material removal rate and is preferred only for finishing. Accuracy and tolerance achieved by conventional machining operations are not so good. Achieving tolerance below 50µm is very difficult. It can

Workholding Grinding Operations Positrol

Machining Operations; Grinding Operations; BACK TO PREVIOUS PAGE . Positrol Grinding Chucks Save Time . All devices are precision ground with repeatability from two to ten microns TIR depending on the application. Grip on one or multiple parts at a time; manual or power actuation. Solutions for gear hobbing, grinding, shaping, or hard turning operations. Power or manual actuation and some ...

Difference Between Machining and Grinding

28/09/2018  Grinding, one type of abrasive cutting process, can fulfill various limitations of conventional machining. Here a grinding wheel is utilized instead of so called cutting tool. The wheel is basically made of small size and harder abrasive particles, like alumina, silica, diamond, etc., which are bonded in a suitable medium. Such abrasives have arbitrary shape and thus they lack a definite ...

Machining Operations (Part 6: Grinding) - YouTube

10/04/2020  Facebook: https://facebook/infinitymfg/Twitter: https://twitter/?lang=en

Precision Grinding Services CNC Surface Grinding - SANS

Like our other machining operations, we specialize in complex machined parts, you can enjoy precision grinding services for high demanding projects. We have advanced Multiple Hand-Operated Grinder, Flat Grinder, CNC Grinder and Optical Curve Grinder to finish ID/OD Grinding and JIG/Surface Grinding, can grind not only cylindrical parts but also unique shapes and partial diameters. For Jig ...

MACHINING OPERATIONS AND MACHINE TOOLS

Machining Operations and Part Geometry Each machining operation produces a characteristic part geometry due to two factors: 1. Relative motions between the tool and the workpart •Generating –part geometry is determined by the feed trajectory of the cutting tool 2. Shape of the cutting tool •Forming –part geometry is created by the shape of the cutting tool ©2002 John Wiley Sons, Inc ...

Machining Time Required For Taper Grinding and Its Cost ...

Index Terms- labour cost, machining time, plunge grinding, taper grinding, I. INTRODUCTION n alternator producer at kasaragod produces different Varity of alternator for different ratings and application, were 25kw training lighting alternators used in AC coaches for Indian railway is one among them. Its shaft has to be passed over different operations like turning, threading, tapper grinding ...

Operations that can be performed on grinding machine ...

29/05/2020  Grinding machine operations: The following stated below represent the operations that can be performed on a grinder: Surface grinding operation: This is done to obtain a flat surface as the rotating grinding wheel cut off the material from the top surface of the workpiece and gives the flat look. Cylinder grinding operation: This grinding

Grinding (Machining) - an overview ScienceDirect Topics

Grinding (Machining) ... For some applications ELID grinding eliminated polishing and/or lapping operations. ELID grinding provides the ability to produce extremely fine finish on brittle material surfaces, with surface roughness on the nanometer scale (4–6 nm). Yet, coarse grit size wheels (JIS #325 and coarser) show only slight, if any, difference in the final roughness when ELID is ...

Grinding Machine [Grinding Wheel, Types, Operations,

10/05/2020  The grinding process is truly a chip producing machining process. The rough surface of the abrasive wheel spreads into small portions of the workpiece as required. It is also known as a grinder. The grinding process is capable of producing very accurate sizes, equally accurate geometry like flatness or circle and extremely good surface finish. It is capable of machining hardness high-speed ...

Workholding Grinding Operations Positrol

Machining Operations; Grinding Operations; BACK TO PREVIOUS PAGE . Positrol Grinding Chucks Save Time . All devices are precision ground with repeatability from two to ten microns TIR depending on the application. Grip on one or multiple parts at a time; manual or power actuation. Solutions for gear hobbing, grinding, shaping, or hard turning operations. Power or manual actuation and some ...

Precision Grinding - Meccanica VGA - Precision Machining

A grinding wheel is an expendable wheel used for various grinding and abrasive machining operations. Grinding wheels may also be made from a solid steel or aluminium disc with particles bonded to the surface. Grinding practice is a large and diverse area of manufacturing and toolmaking. Surface grinding uses a rotating abrasive wheel to remove material, creating a flat surface. It can

Machining Operations for Steel Fabrication - Yena

Steel machining operations can be divided into commonly six processes known as turning, drilling, milling, planing, broaching, and grinding. In this article, we will examine these machining methods. While machining applications are quite extensive, applications are particularly common for carbon steels and stainless steel. The final steel products fabricated can be automotive parts, aircraft ...

Chapter 26 Abrasive Machining and Finishing Operations

those in machining operations because of the smaller dimensions involved. • Low grinding forces are recommended for dimensional accuracy. Problems with Grinding • Wear Flat – After some use, grains along the periphery of the wheel develop a wear flat. • Wear flats rub along the ground surface, creating friction, and making grinding very inefficient. Problems with Grinding • Sparks ...

MACHINING OPERATIONS AND MACHINE TOOLS

Machining Operations and Part Geometry Each machining operation produces a characteristic part geometry due to two factors: 1. Relative motions between the tool and the workpart •Generating –part geometry is determined by the feed trajectory of the cutting tool 2. Shape of the cutting tool •Forming –part geometry is created by the shape of the cutting tool ©2002 John Wiley Sons, Inc ...

Ch. 26 – Abrasive Machining and Finishing Operations

those in machining operations because of the smaller dimensions involved. • Low grinding forces are recommended for dimensional accuracy. Problems with Grinding • Wear Flat –After some use, grains along the periphery of the wheel develop a wear flat. • Wear flats rub along the ground surface, creating friction, and making grinding very inefficient. Problems with Grinding • Sparks ...

Machining Time Required For Taper Grinding and Its Cost ...

Index Terms- labour cost, machining time, plunge grinding, taper grinding, I. INTRODUCTION n alternator producer at kasaragod produces different Varity of alternator for different ratings and application, were 25kw training lighting alternators used in AC coaches for Indian railway is one among them. Its shaft has to be passed over different operations like turning, threading, tapper grinding ...