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

High-speed Wire Rod Mills Production Process Characteristics

31/05/2019  The high-speed non-twist finishing rolling process is one of the core technologies in modern wire rod rolling mil production. It is an effective means to solve the problems existing in various wire rod rolling mills in the past, and

The Main Rolling Processes of the Wire Rod Mill Production ...

13/02/2020  The Main Rolling Processes of the Wire Rod Mill Production Line are: 1) Billet: The billet used in the wire rod mill production line is mainly continuous cast

PRODUCTION PROCESS > - celsauk

PRODUCTION PROCESS > The rod bar mill. Our rod and bar mill is capable of producing 890,000 tonnes each year for a wide range of reinforcing and wire rod products. In 2006 we invested £10 million in a new four-line spooler mill, making ours the first UK mill to produce hot spooled coil, a process vital for achieving grade 500C properties in coil format.

Rod Mills - 911 Metallurgist

31/05/2016  Rod Mill Working Principle Components. A Rod Mill has for Working Principle its inside filled grinding media, in this case STEEL RODS. These rods run the length of the machine, which is most commonly between eight and sixteen feet in length. The diameter of these rods will range from, when new, between two and four inches. The rods are free inside the mill. When the mill is turned, the rods

Rod Mill - an overview ScienceDirect Topics

Powder milling process, using ball or rod mills, aim to produce a high-quality end-product that can be composites and nanocomposites, and nanocrystalline powder particles of intermetallic compounds, amorphous, hydrides, nitrides, silicates, etc. Powder milling process has been continuously improving by introducing numerous innovative types of ball mills in order to improve the quality and homogeneity

Rod mills, how they function - Mine Engineer.Com

Rod mills accept feed up to about 50 mm (2 in.) and produce a product in the size range of 3000 to 270 mm (–4 to –35 mesh). Grinding action is by line contact between the rods extending the length of the mill. Rods tumble and spin in roughly parallel alignment simulating a series of roll crushers.

The Production Process of Wire Rod - Steel Rolling Mill ...

The wire rod refers to the hot-rolled round steel with diameter of 5-22 mm or a profiled steel of considerable section. Since it is delivered in coil form, it is also commonly known as coil. Common wire product specifications are 5-13mm in diameter. According to the different rolling mills, it can be divided into high-speed wire rod and ordinary wire rod.

PRODUCTION PROCESS > - celsauk

PRODUCTION PROCESS > The rod bar mill > Rolling wire rod. The rolling of coil is similar to bar, except that more rolling stands are used, so that the billet can be reduced down to smaller sizes. As the cross-section is reduced, the billet is extended, so that the final length of small coil sizes can be several kilometres. In order to handle this long length, the rolled stock passes through ...

PRODUCTION PROCESS > - celsauk

PRODUCTION PROCESS > The rod bar mill > Rolling reinforcing coils. The rolling of reinforcing coil (also known as high yield coil) initially utilises the same process as with reinforcing bar. However, during the process the bar is diverted to the spooler mill after the QST process. Here, it is hot spooled by a travelling head on one of our four high speed spoolers, and forms tightly spooled ...

Rod mills, how they function - Mine Engineer.Com

Rod mills operate at lower speed than ball mills since the rods are rolled and not cascaded. For an equivalent grind, a rod mill uses less steel than a ball mill because of the lower speed and better contact between the media and ore. The rod charge must be maintained in good working condition, and broken and worn rods must be removed. Rod ...

Modern manufacturing process of forged connecting rod

Material of connecting rod is 40 Cr. Process Process design starts from using our CADIF (spreadsheet) program on the analysis of the forging process,CADIF program is to use a simplified geometry and material properties at high temperatures to estimate required equipment specifications,the quantities of the die chamber and the production efficiency.Here,we use AISI4140 as product material,and ...

Manufacturing process of Stainless Steel Long Products

Wire-Rod Mill Bars + Billets Mill Combined mill Manufacturing process. Wire-Rod Mill Bars + Billets Mill Heat Treatment Heat Treatment Pickling Wire Rod to customer Drawn Wire Peeling / Turning Turned Bars Smooth turned and polished bars Wire Drawing Drawn bars Wire Drawing Grinding Ground bars Billets Manufacturing process. Continuous Casting Blooms Semis, Black Bars Wire rod Customers

Advanced Process and Quality Control in Hot Rolling Mills ...

becoming an integral part of the production process. Its advantages at this stage are two-fold. Firstly, it identifies production problems early on so mill operators can intervene before more damage results. Secondly, it avoids the production of waste material and prevents time and energy from being spent on defective products in later stages of production. IV Conferencia Panamericana de END ...

Understanding Rolling Process in Long Product Rolling

27/11/2015  If a mill rolls 80 % of the calendar year, that is 365 x 24 x 0.80 = 7008 hours. If the mill rolls 800,000 tons per year, it runs at an average production rate of 114.16 tons/hour. If the utilization can be improved by 1 %, the available rolling hours is 365 x 24 x 0.81 = 7096.6, creating 87.6 extra rolling hours.

TMT Bar Manufacturing Start A Rolling Mill Industry

TMT Bar Manufacturing Process Raw Materials. 8 mm 10 mm 12 mm 16 mm 20 mm 25 mm 32 mm 40 mm TMT bars have the maximum demand in the market. You must produce the materials in accordance with IS: 1786 – 2008, in Fe 415, Fe 500, Fe 415D, Fe 500D, and Fe 550 grades. First of all, you must design the reinforcement bar rolling for the production ...

TMT Steel Bar (Saria/Rod) Manufacturing Industry ...

process that resists formation of coarse carbides. Coarse carbides are the main reasons for the corrosive nature of a common bar. Absence of surface stresses is another reason for these bars to be corrosion resistant. Thus, using them increases the longevity of a structure. Cost-Effective and Malleable: High tensile strength and better elongation make these bars highly cost-effective than ...

The Production Process of Wire Rod - Steel Rolling Mill ...

The wire rod refers to the hot-rolled round steel with diameter of 5-22 mm or a profiled steel of considerable section. Since it is delivered in coil form, it is also commonly known as coil. Common wire product specifications are 5-13mm in diameter. According to the different rolling mills, it can be divided into high-speed wire rod and ordinary wire rod.

PRODUCTION PROCESS > - celsauk

PRODUCTION PROCESS > The rod bar mill > Rolling reinforcing coils. The rolling of reinforcing coil (also known as high yield coil) initially utilises the same process as with reinforcing bar. However, during the process the bar is diverted to the spooler mill after the QST process. Here, it is hot spooled by a travelling head on one of our four high speed spoolers, and forms tightly spooled ...

Modern manufacturing process of forged connecting rod

Material of connecting rod is 40 Cr. Process Process design starts from using our CADIF (spreadsheet) program on the analysis of the forging process,CADIF program is to use a simplified geometry and material properties at high temperatures to estimate required equipment specifications,the quantities of the die chamber and the production efficiency.Here,we use AISI4140 as product material,and ...

Manufacturing process of Stainless Steel Long Products

Wire-Rod Mill Bars + Billets Mill Combined mill Manufacturing process. Wire-Rod Mill Bars + Billets Mill Heat Treatment Heat Treatment Pickling Wire Rod to customer Drawn Wire Peeling / Turning Turned Bars Smooth turned and polished bars Wire Drawing Drawn bars Wire Drawing Grinding Ground bars Billets Manufacturing process. Continuous Casting Blooms Semis, Black Bars Wire rod Customers

Advanced Process and Quality Control in Hot Rolling Mills ...

becoming an integral part of the production process. Its advantages at this stage are two-fold. Firstly, it identifies production problems early on so mill operators can intervene before more damage results. Secondly, it avoids the production of waste material and prevents time and energy from being spent on defective products in later stages of production. IV Conferencia Panamericana de END ...

TMT Bar Manufacturing Start A Rolling Mill Industry

TMT Bar Manufacturing Process Raw Materials. 8 mm 10 mm 12 mm 16 mm 20 mm 25 mm 32 mm 40 mm TMT bars have the maximum demand in the market. You must produce the materials in accordance with IS: 1786 – 2008, in Fe 415, Fe 500, Fe 415D, Fe 500D, and Fe 550 grades. First of all, you must design the reinforcement bar rolling for the production ...

TMT Steel Bar (Saria/Rod) Manufacturing Industry ...

process that resists formation of coarse carbides. Coarse carbides are the main reasons for the corrosive nature of a common bar. Absence of surface stresses is another reason for these bars to be corrosion resistant. Thus, using them increases the longevity of a structure. Cost-Effective and Malleable: High tensile strength and better elongation make these bars highly cost-effective than ...

Metal Drawing - Manufacturing Process

Rod or bar drawing refers to the drawing of work of larger cross sections, while wire drawing refers to the forming of work of a relatively smaller profile. Due to the size of the work, rod and bar drawing involves much more finite lengths of material than wire drawing. This type of process is carried out as a discrete manufacturing operation.

TMT Steel bar Manufacturing Process Shyam Steel

The manufacturing process of TMT Bar involves series of processes like rolling, water quenching, heat treatment, cooling at various stages of manufacturing. The Thermo Mechanical Treatment involves 3 essential steps that are: Quenching. Self Tempering. Atmospheric cooling. The quality of TMT Bar depends on three major factors.

DEFECTS IN EXTRUSION PROCESS AND THEIR IMPACT ON

DEFECTS IN EXTRUSION PROCESS AND THEIR IMPACT ON PRODUCT QUALITY J G Khan1, R S Dalu2 and S S Gadekar1* *Corresponding Author: S S Gadekar, [email protected] In the 20th century, the number of manufacturers had established extrusion pipe manufacturing plants on the customer demand. To ensure quality extrusion pipe manufacturing, it is essential to identify, control,

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