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

Steel Rolling Mill Machinery process - RMT Tools

Rolling Mill Process The primary function of a Rolling Mill is to reheat semi-finished steel billet/ Ingot nearly to their melting point, then roll them thinner and longer through successive rolling mill stands driven by motors

PROCESS OF ROLLING MILLS

25/02/2016  A wire rod rolling mill, for example, gradually reduces the cross-sectional area of a starting billet (e.g., 150 mm square, 10-12 meters long) down to a finished rod (as small as 5.0 mm in ...

Proses Rolling Mill – PT. Jatim Taman Steel Mfg

Proses Rolling Mill – PT. Jatim Taman Steel Mfg.

Rolling Process: Working, Application, Defects, Type of ...

Rolling is the deformation process of a metal that is widely used in the metal forming process. It is done by passing the strip of the metal between the rollers. This paper discussion will be made about the rolling process, the working principle of the rolling process along with that the working principle of the rolling mills.

Finishing Rolling Mill Process Explanation - Hani Tech

13/03/2020  Hot rolling is the first metal shaping process after the slab has been cast, in flat products such as plate, strip, and sheet. The final shaping stage of a hot rolling steel strip is normally performed on a tandem mill known as a finishing mil. Hot Strip Mill Group consists of two to six finishing mill stands, which reduce the thickness of the ...

Rolling of Metals: Process and Principles (With Diagram)

The rolling process is shown in Fig. 2.1: Rolling is done both hot and cold. It is accomplishes in rolling mills. A rolling mill is a complex machine having two or more working rollers, supporting rollers, roll stands, drive motor, reducing gear, flywheel, coupling gear etc. Rollers may be plain or grooved depends upon the shape of rolled product. The metal changes its shape gradually during the period in which it

Hot Rolling Mill - YouTube

23/04/2012  (Roll forming: youtu/k6iODHla6qY)This film takes you through the processes within a hot rolling mill. You'll get to see the different stages all th...

Rolling Mill Machine - Blogger

11/07/2012  Rolling Mill Machine A. Pengertian Rolling Mill Machine Rolling merupakan suatu proses deformasi dimana ketebalan dari benda kerja direduksi menggunakan daya tekan dan mnggunakan dua buah roll atau lebih.Roll brputar untuk menarik dan menekan

Steel Pipe Manufacturing Processes - mandrel mill process ...

The advent of rolling mill technology and its development during the first half of the nineteenth century also heralded in the industrial manufacture of tube and pipe. Initially, rolled strips of sheet were formed into a circular cross section by funnel arrangements or rolls, and then butt or lap welded in the same heat (forge welding process). Toward the end of the century, various processes ...

PROSES ROLLING - qtasamasama.blogspot

27/05/2014  Proses Rolling Dasar. Logam yang telah dipanaskan dilewatkan antar dua roll yang berputar berlawanan arah, dengan celah antara kurang dari ketebalan masuk material. Karena roll berputar dengan kecepatan permukaan melebihi kecepatan logam yang masuk, gesekan sepanjang kontak antarmuka beraksi memajukan logam.

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

Rolling of Metals: Process and Principles (With Diagram)

The rolling process is shown in Fig. 2.1: Rolling is done both hot and cold. It is accomplishes in rolling mills. A rolling mill is a complex machine having two or more working rollers, supporting rollers, roll stands, drive motor, reducing gear, flywheel, coupling gear etc. Rollers may be plain or grooved depends upon the shape of rolled ...

Rolling Mill Machine - Blogger

11/07/2012  Rolling Mill Machine 1. Lembaran logam bergerak antara rol kemudian dihentikan 2. Arah rol dibalik, benda kerja dimasukkan dari sisi yang lain. 3. Pada interval tertentu logam diputar 900 agar penampang univorm dan butir-butir logam merata.

Steel Pipe Manufacturing Processes - mandrel mill process ...

The advent of rolling mill technology and its development during the first half of the nineteenth century also heralded in the industrial manufacture of tube and pipe. Initially, rolled strips of sheet were formed into a circular cross section by funnel arrangements or rolls, and then butt or lap welded in the same heat (forge welding process). Toward the end of the century, various processes ...

HOT ROLLING MILL.docx - 3.4.1 Hot Rolling Mill Rolling ...

3.4.1 Hot Rolling Mill Rolling atau pengerolan adalah proses pengurangan ketebalan atau proses pembentukkan pada benda kerja yang panjang. Proses rolling dilakukan dengan satu set roll yang berputar dan menekan benda kerja supaya terjadi perubahan bentuk. Rolling pertama kali dikembangkan pada tahun 1500an. Rolling dilakukan dalam dua tahap. Pertama dilakukan pada

HOT ROLLING PRACTICE – An Attempted Recollection

This is the starting point of the hot rolling mill practice. Reheating Furnace x Cold stocks are heated to make them soft and thus suitable for rolling. x Furnace has three parts: walls, roof and hearth. Furnace is lined with several layers of refractory bricks. It is insulated by glass wool. The initial heating zone of the furnace has temperature of about 1000 0 C. This zone is lined with low ...

PROSES ROLLING - qtasamasama.blogspot

27/05/2014  Rolling biasanya merupakan proses pertama yang digunakan untuk mengubah material menjadi produk kasar. Material yang tebal diroll menjadi blooms, billets, atau slab atau bentuk-bentuk ini bisa dibuat langsung dari continuous casting . Bahan dasar dan produk roll • Bloom: mempunyai penampang melintang segi empat atau bujur sangkar dengan ketebalan lebih besar dari 6 inches dan

Cina Disesuaikan Cold Rolling Mill Aplikasi Proses Mesin ...

Cold Rolling Mill Aplikasi Proses Mesin untuk Pipa Aluminium. Secara umum, pipa aluminium berongga dibuat dengan mesin ekstrusi. Setelah itu, Cold rolling mill (Pilger machine) adalah salah satu mesin proses kunci untuk membuat tabung dan pipa aluminium presisi tinggi.

METAL FORMING PROCESS Afri Sujarwanto's Weblog

28/09/2007  ROLLING. Proses ini sering digunakan sebagai langkah awal dalam mengubah ingot dan billet menjadi produk setengah jadi/akhir. Prinsip : menekan bahan dasar dengan menggunakan 2 rol atau lebih dengan arah putaran yang berlawanan sehingga terjadi perubahan dimensi (dimensi penampang) Faktor yang juga hrus diperhatikan dalam proses rolling adalah sudut gigitan. ROLLING MILL

Produk Hasil Rolling, Hot, Cold Rolling, Cold Rolled ...

Contoh Produk Cold Rolling Mill-Baja Canai Dingin. Untuk menjadi produk akhir, produk cold rolling dibentuk dengan menggunakan proses forming seperti deep drawing, cold roll forming, bending, stretching, welding dan sebagainya. Body Mobil merupakan contoh yang menggunakan kombinasi dari beragam teknologi pembentukan mulai dari pressing, deep drawing, drawing, stretching, bending,

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

What are main Types of Rolling mill? - mech4study

02/05/2017  Every rolling mill consist minimum two rolls. These numbers can extend according to the process requirement. Today we will discuss about all types of rolling mills used in manufacturing industries. Types of rolling mills: According to the number and arrangement of rolls, this machine can be classified into following types. Two High Rolling Mill: This mill consist two rollers arranged as shown ...

Steel Pipe Manufacturing Processes - mandrel mill process ...

The advent of rolling mill technology and its development during the first half of the nineteenth century also heralded in the industrial manufacture of tube and pipe. Initially, rolled strips of sheet were formed into a circular cross section by funnel arrangements or rolls, and then butt or lap welded in the same heat (forge welding process). Toward the end of the century, various processes ...

Rolling Process: Types, Working, Terminology and ...

01/05/2017  Rolling works on same as any other metal forming process. When a compressive force applied by a set of rolls on ingot or any other product like blooms or billets, plastic deformation takes place which decrease its cross section area and convert it into required shape. These rolls are designed according to the final product requirement. They are cylindrical in shape and fitted with the die of ...

Rolling Process Other Quiz - Quizizz

Q. Pada three high rolling mill, kombinasi putaran roller yang benar adalah: answer choices. Putaran roller atas dan bawah sama, roller tengah beda. Putaran roller atas dan tengah sama, roller bawah beda. Putaran roller tengah dan bawah sama, roller atas beda. Putaran 3 roller sama.

Cina Disesuaikan Cold Rolling Mill Aplikasi Proses Mesin ...

Cold Rolling Mill Aplikasi Proses Mesin untuk Pipa Aluminium. Secara umum, pipa aluminium berongga dibuat dengan mesin ekstrusi. Setelah itu, Cold rolling mill (Pilger machine) adalah salah satu mesin proses kunci untuk membuat tabung dan pipa aluminium presisi tinggi.

Bar and Wire Rod Mill Steel Plantech

Using a block mill, which drives multiple rolling mills and has been used on 100m/s class wire rod lines, as the bar steel finishing mill, will achieve speeds far beyond the finishing speed of about 20m/s that was the limit of conventional mills. Rolling using ultra-hard rolls provides advantages such as precise measurements and enhanced surface finish.Additional advantages are easier roll ...

Toyogiri Iron Steel

Serta proses Stell Rolling Mill untuk diproses menjadi baja tulangan. Serta mampu menghasilkan produk baja yang berkualitas serta dengan harga yang kompatible. VISI: PT. Toyogiri Iron Steel bisa memberi dan menjadi solusi yang tepat guna bagi para mitra bisnis seperti para owner/developer proyek, konsultan, dan kontraktor dalam pembangunan proyek-proyek baik skala kecil maupun besar . MISI ...

Stainless Steel Production Process - ArcelorMittal ...

A movie from Benoît Huc - Tango Vidéo

Produk Hasil Rolling, Hot, Cold Rolling, Cold Rolled ...

Contoh Produk Cold Rolling Mill-Baja Canai Dingin. Untuk menjadi produk akhir, produk cold rolling dibentuk dengan menggunakan proses forming seperti deep drawing, cold roll forming, bending, stretching, welding dan sebagainya. Body Mobil merupakan contoh yang menggunakan kombinasi dari beragam teknologi pembentukan mulai dari pressing, deep drawing, drawing, stretching, bending,