1. 1 the development of wire rod mill and the birth of high-speed wire rod mill

Development of 1.2 high-speed wire rod mill

1.2. 1 model of high-speed wire rod mill

1.2.2 development and maturity of high-speed wire rod mill

1.2.3 construction of wire rod production line for high-speed rolling mill

Production technology and plane layout of wire rod for high-speed rolling mill

2. 1 wire rod production technology of high-speed rolling mill

2. 1. 1 high speed wire rod mill products and raw materials

2. 1.2 process characteristics of wire rod production by high-speed rolling mill

2. 1.3 wire rod production process of high-speed rolling mill

2. 1.4 high-speed twist-free finishing mill and application of controlled cooling technology in old rolling mill

2.2 Determination of main process parameters and process design of wire rod production in high-speed rolling mill

2.2. 1 billet weight and size

2.2.2 Production capacity, finishing speed and number of threads

2.2.3 Rough Rolling Process and Equipment Form and Parameters

2.2.4 Process, equipment form and parameters of medium rolling and pre-finishing rolling.

2.2.5 Finishing Rolling Process, Equipment Form and Parameters

2.2.6 Speed regulation and control of high-speed wire rod mill

2.2.7 Overhead layout of high-speed wire rod mill

2.3 Composition and plane layout of various high-speed wire rod mills

2.3. 1 Production technology of some high-speed wire rod mills

2.3.2 Layout of high-speed wire rod mill

3 blank

3. 1 blank selection

3. 1. 1 Process basis for selecting section size, length and disc weight

3. 1.2 bloom and continuous casting bloom

3.2 billet technical conditions

Requirements for steel grade and chemical composition

3.2.2 Requirements for billet size and quality

3.2.3 Surface quality and internal quality requirements

3.3 Inspection and cleaning of billet

3.3. 1 billet inspection method

3.3.2 Cleaning method of billet

3.3.3 billet inspection and cleaning equipment

3.4 blank management

3.4. 1 Blank stacking and raw material warehouse management

3.4.2 Assembly and feeding of blanks

3.4.3 Calculation of Raw Material Warehouse

3.5 Examples of Improving the Quality of Steel for Wire Rod

Non-metallic inclusions and cleanliness of steel

3.5.2 Control the cleanliness of steel-secondary refining

cast

3.5.4 Comprehensive production technology of high-quality wire rod steel

4 heating furnace and billet heating

4. 1 heating furnace

4. 1. 1 walking beam heating furnace and its stepping mechanism

4. 1.2 Heating capacity and furnace type of the furnace

4. 1.3 refractories

4. 1.4 fuel and combustion device

4. 1.5 Detection and control of three thermal parameters of heating furnace

4. 1.6 energy-saving technology of heating furnace

4. 1.7 heating furnace design

4. 1.8 example introduction of heating furnace for high-speed wire rod mill

4.2 billet heating

4.2. 1 billet heating temperature

4.2.2 Heating speed and heating time of billet

4.2.3 billet heating system

4.2.4 Oxidation Burning Loss of Billet

4.2.5 Decarburization of billet surface

4.2.6 Overheating and overburning of billet

5 Transmission and guiding device

5. 1 overview

5.2 Types and Selection of Pass System for Rough Rolling and Medium Rolling

5.2. 1 Analysis of Common Extended Pass System of High-speed Wire Rod Mill

5.2.2 Selection of Extended Pass System for Rough Rolling and Medium Rolling

5.2.3 Tension distribution during rough rolling and medium rolling

5.2.4 Continuous Rolling Constant and Reinforcement Drawing Coefficient

Velocity cone

5.3 Pre-finishing and finishing pass

5.3. 1 pass system of pre-finishing mill group

5.3.2 Distribution of Pass Extension Coefficient of Pre-finishing Mill and Finishing Mill

5.3.3 Issues related to pass design of finishing mill.

5.4 Pass design program and design method of high-speed wire rod mill

5.5 Pass parameters and pass diagram of high-speed wire rod mill

5.5. 1 Pass diagram of some high-speed wire rod mills

5.5.2 Pass parameter table of some high-speed wire rod mills

5.6 Rolling plan

5.7 guide device

5.7. 1 Overview

Guide beam

Inlet device

Outlet device

Optical regulator

5.7.6 Cooling and lubrication of guide device

5.7.7 Roller guides produced by several famous manufacturers.

5.8 Looper device

6 roll and mill adjustment

6. 1 Roller type and structural dimensions of high-speed wire rod mill

6. 1. 1 Structural dimensions of the rolls of the roughing and intermediate rolling mills

6. 1.2 roll profile structure of pre-finishing mill and finishing mill

6.2 rolls of materials

6.2. 1 service conditions of high-speed wire rod mill roll

6.2.2 Selection of drum materials

6.3 Cooling of the roller

6.4 Roller bearing

6.5 Use and adjustment of high-speed wire rod mill

Installation of rolling mill

6.5.2 Installation of roller

6.5.3 Rolling line and process platform of the unit

6.6 Adjustment of High Speed Wire Rod Mill

6.6. 1 high-speed wire rod mill adjustment high-precision concept

6.6.2 Adjustment of roughing mill and medium rolling mill before rolling

6.6.3 Adjustment operation of rolling mill during rolling

6.6.4 Roll changing, hole changing and adjustment of roughing mill and medium rolling mill

6.6.5 Roll changing and adjustment of finishing mill set

6.7 process fault analysis

6.7. 1 accident classification

6.7.2 Analysis of specific accidents

7 Controlled rolling, controlled cooling and finishing of wire rod

7. 1 theoretical basis of controlled rolling and controlled cooling of wire rod

7. 1. 1 Strengthening mechanism of steel

7. 1.2 Improve the toughness of steel.

7. 1.3 Microstructure change of wire rod during hot rolling.

7. 1.4 purpose and characteristics of controlled cooling after rolling of hot rolled steel

7. The way of further strengthening and toughening of1.5 steel-ultra-fine graining

7.2 Controlled Rolling of Wire Rod

7.2. 1 controlled rolling of wire rod

7.2.2 An example of temperature-controlled rolling in a factory.

7.3 Controlled cooling of wire after rolling

7.3. 1 Suggest controlled cooling of wire rod.

7.3.2 Process Requirements for Controlled Cooling of Wire Rod

7.3.3 Control the type of cooling process.

7.3.4 Stelmore Controlled Cooling Process

7.3.5 Ahilo controls the cooling process.

Schloman controls the cooling process

7.3.7 Dagnelie Controlled Cooling Process

Other cooling processes

7.4 wire finishing, transportation and finished product warehouse

7.4. 1 Wire winding, trimming, inspection and sampling

7.4.2 Transportation and bundling of coiled materials

7.4.3 Weighing, unwinding and warehousing of coiled materials

7.4.4 Example of Finishing Process Layout

Quality control of 8 high-speed wire rod mill products

8. 1 product defects and quality control

8. 1. 1 Quality requirements of wire rod.

8. 1.2 Quality control of hot rolled wire rod

8.2 Quality Inspection and Inspection

8.2. 1 routine inspection

8.2.2 Inspection Rules for Dispute Settlement

8.3 Production characteristics and quality control of various products

8.3. 1 welding wire steel

……

Main machine and auxiliary machine of high-speed wire rod machine

Technical development of 10 high-speed wire rod mill in recent years

Appendix Names of Relevant Foreign Companies (Manufacturers) and Foreign Language Comparison

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