Table of Contents for Metallurgical Machinery Installation Basics Q&A

Table of Contents

Part I Industrial Engineering (IE) and its Application Examples

I. Industrial Engineering (IE) and its Basic Technologies

1.1 What is Industrial Engineering? What is the significance of the application of industrial engineering? What should be done in the specific application?

1.2 Briefly describe the emergence and development of industrial engineering.

1.3 Briefly describe the application, content and characteristics of industrial engineering.

1.4 Briefly describe the industrial engineering work (assignment) study procedure.

1.5 Briefly describe the basic techniques of industrial engineering - methodological studies in work (job) studies

1.6 Briefly describe the basic techniques of industrial engineering - the names, provisions and contents of graphical symbols

II. Industrial Engineering Application Examples

1.7 What are the main lessons learned from the application of industrial engineering at Ansteel?

1.8 Briefly describe the basic practices of implementing industrial engineering at Angang Steel.

1.9 Briefly describe the analytical techniques used by Angang Steel in applying industrial engineering to revise operating standards.

1.10 Give an example of the "eight charts and three tables" used by Anshan Iron and Steel in the application of industrial engineering to revise operational standards

1.11 What are the main components of the Anshan Iron and Steel operational standards model design?

1.12 Briefly describe the procedures and requirements for the formulation (revision) of Anshan Iron and Steel's operational standards and the certification of operational standard levels.

1.13 Briefly describe the practice of Tangshan Iron and Steel Company's high-speed wire rod production line in applying industrial engineering technology to realize the production and efficiency of the introduced equipment.

Third, the basic work - the development of labor quotas

1.14 Briefly describe the measurement of labor quotas with examples.

1.15 What are the methods of setting labor quotas?

1.16 What is the declining labor hour curve?

1.17 Briefly describe the range of decreasing rate of working hours

IV. Working hour study

1.18 What is working hour study? What are its objectives and methods?

1.19 What are the tools of a man-hour study?

1.20 What are the types of work hour study forms?

1.21 What is job breakdown?

1.22 What are the requirements for sampling for a man-hour study?

1.23 Briefly describe the error bound method for determining the number of observations for a work hour study.

1.24 What is the dz value method?

1.25 Briefly describe the methods of work hour determination and the problems encountered with them

1.26 What are the methods of assessing operator effectiveness?

1.27 Briefly describe basic time and its calculation.

1.28 Briefly describe the relief time and its determination.

1.29 What is the difference between the calculation of grace time for mechanical and manual operations?

1.30 How many components make up the standard time for mechanical work?

1.31 Give an example of the calculation and revision of standard working hours

Part II Measurement and Calculation, Monitoring and Diagnosis

I. Measurement, Gauges, and Gauges

2.1 What are measurements, gauges, and gauges?

2.2 Briefly describe the purpose, conditions, errors, methods of measurement and their relation to calculation.

2.3 Briefly describe the classification of measuring instruments and the commonly used measuring instruments and gauges in the installation and construction of machinery and equipment

2.4 Briefly describe the principles and precautions to be followed in the selection of measuring instruments and gauges

2.5 Briefly describe the maintenance of measuring instruments and gauges.

2.6 briefly precision gauges, measuring instruments, maintenance and repair.

2.7 How are the measurement methods of gauges and measuring instruments differentiated?

2.8 Briefly describe the commonly used machineries in pliers and their use and maintenance

2.9 Briefly describe the specification and use of simple gauges.

2.10 Briefly describe the specifications and use of vernier calipers

2.11 Briefly describe the classification of micrometers and their use

2.12 Briefly describe the specifications of percent gauges and their use

2.13 Briefly describe the specifications of plug gauges and their use.

2.14 Briefly describe the types, specifications and accuracy of levels.

2.15 Briefly describe the method of checking the zero error of level meter

2.16 Briefly describe the precautions for using level meter

2.17 Briefly describe the reading method of level meter.

2.18 briefly describe the specifications, structure, working principle and use of optical ensemble image level meter.

2.19 Briefly describe the structure, use and maintenance of autocollimator

2.20 Briefly describe the working principle of laser collimator.

2.21 Briefly describe the structure, use and maintenance of level meters

2.22 Briefly describe the structure, use and maintenance of longitude and latitude gauges

2.23 Briefly describe the use of universal angle gauges

2.24 Briefly describe the measuring blocks and torsion spring comparators

2.25 Give an example of measurements and their calculations

Two, equipment malfunction

2.26 Briefly describe equipment malfunction and failure.

2.27 Briefly describe the conditions under which transmission gears need to be repaired or replaced.

2.28 Briefly describe the failure of high-speed rotors (i.e., rotating bodies with high rotational speeds)

Three, equipment condition monitoring and diagnostic techniques

2.29 What are equipment condition monitoring and diagnostic techniques?

2.30 metallurgical equipment condition diagnosis in the use of the main technologies?

2.31 Briefly describe the process and methods of vibration monitoring

2.32 Briefly describe the causes of gear failure.

2.33 Briefly describe the commonly used vibration measurement methods and evaluation parameters

2.34 Briefly describe the selection of data collectors.

2.35 Briefly describe the three stages of mechanical equipment fault diagnostic techniques

2.36 What are vibration diagnostic techniques?

2.37 What are acoustic diagnostic techniques?

2.38 What are temperature diagnostic techniques?

2.39 What is the iron spectrum analysis technique?

2.40 What are vibroacoustic and optical diagnostic techniques?

IV. Signal Acquisition Techniques

2.41 Briefly describe signal acquisition techniques.

2.42 What are sensors? How many types of sensors are there? What are the commonly used sensors?

V. Signal Processing Technology

2.43 What is signal processing and signal preprocessing?

2.44 What is the correlation analysis and spectral analysis based on the fast Fourier transform (FFT) technology?

2.45 What is time series method data processing?

2.46 What are temperature signal processing methods?

2.47 What are optical signal processing methods?

2.48 What is an acoustic signal processing method?

VI. Troubleshooting and Database

2.49 What are troubleshooting methods and characteristic parameters?

2.50 What is a standard spectral database for diagnosis?

VII. Online Monitoring System and Integrated Monitoring and Diagnostic System

2.51 Give an example of an online monitoring system.

2.52 Give an example of an online monitoring system for rotating machinery

2.53 Give an example of an integrated monitoring and diagnostic system

2.54 Briefly describe an expert system for fault diagnosis.

2.55 Give an example of the application of condition monitoring technology

Part III General Skills for Overhaul and Installation of Metallurgical Machinery

I. Equipment Foundations, Ground Bolts, and Bedding Iron

3.1 Briefly describe the role of equipment foundations and the general requirements for equipment foundations as well as the major items for inspection and acceptance of equipment foundations.

3.2 Briefly describe general knowledge of equipment foundations.

3.3 What is the equipment installation datum line? How to place the line?

3.4 Briefly describe the types of equipment ground bolts and their use requirements

3.5 Briefly describe the types of pad iron and its requirements

3.6 Briefly describe the equipment of the fine leveling and the second grouting

3.7 Briefly describe the operating procedures of the compression grouting method

Two, equipment installation of the relevant standards

3.8 The "Mechanical Equipment Installation Engineering Construction and Acceptance Code" (hereinafter referred to as the specification) includes what? What is the content of Article 13 of the specification?

3.9 Briefly GBJ300-88 "construction and installation project quality inspection and assessment standards" in the quality inspection assessment of the division, quality inspection and assessment of the grade, inspection and assessment of the quality of the project organization and other content

3.10 Briefly described the basis and procedures for assessing the quality of the project

Three, metallurgical machinery installation construction programs and Construction budget

3.11 What is the construction organization design?

3.12 What is a construction program? What is the basis for the preparation of the construction program?

3.13 Briefly describe the problems to be noted in selecting construction methods and construction machinery

3.14 Briefly describe the basic methods of organizing construction.

3.15 What factors should be considered in determining the starting flow of construction?

3.16 Briefly describe the sequence of construction of unit works.

3.17 Briefly describe the issues that should be considered in the technical and economic comparison of construction programs.

3.18 What is construction budget? What is the basis for preparing a construction budget?

3.19 Briefly describe the procedures and methods of construction budgeting

IV. Network Planning Techniques

3.20 Briefly describe the purpose and content of network diagram calculation.

3.21 Briefly describe the calculation of each parameter of network diagram.

3.22 Briefly describe the calculation of the earliest possible start time and the latest necessary start time of a job and the time difference

3.23 Briefly describe the selection of the optimum program for a network diagram

V. BEARINGS

3.24 What are the commonly used displays for axial shimming (or scraping)?

3.25 Briefly describe the determination of scraping allowance.

3.26 What is a hydrostatic bearing? What is its working principle?

3.27 Briefly describe the bearing lining material.

3.28 Briefly describe the main process steps of hand casting of bearing alloy tile

3.29 What is soft brazing?

VI. Cleaning and Assembly of Mechanical Parts

3.30 Briefly describe the methods of cleaning mechanical parts

3.31 Briefly describe the cleaning fluids for mechanical parts.

3.32 Briefly describe the assembly of mechanical equipment.

3.33 Briefly describe the basis for selection of calibration datum.

3.34 Briefly describe the method of adjustment in the assembly of mechanical equipment

VII. Grinding and reaming

3.35 Briefly describe grinding and the grinding materials used

3.36 Briefly describe the determination of the amount of grinding retention

3.37 Briefly describe the requirements of grinding on the working environment.

3.38 What is reaming? Briefly describe the principles of selecting the reaming allowance

3.39 Briefly describe the precautions to be taken when reaming holes by machine.

3.40 Briefly describe the quality problems of reaming and their solutions

VIII. Equipment in place and preliminary adjustments

3.41 Briefly describe the requirements for equipment unpacking and positioning.

3.42 Briefly describe the method of detecting the plane position and elevation of the equipment

3.43 Briefly describe the preliminary leveling of the equipment installation

9, equipment installation

3.44 Briefly describe the precautions to be taken during the installation of the equipment

3.45 Briefly describe the installation of the bearing seat.

3.46 Describe the mounting method of plain bearings.

3.47 Describe the mounting and adjustment of rolling bearings.

3.48 Try to describe the method of improving the accuracy of rolling bearing assembly

3.49 Try to describe the variable speed drive bearing.

3.50 Try to describe the dismantling work in the installation and maintenance of mechanical equipment.

3.51 give an example of a brief description of the use of optical instruments to correct the relative position of parts

3.52 test description of the use of laser calibration of the relative position of parts

3.53 a brief description of the process of optical calibration process and precautions

3.54 a brief description of the equipment without a padded iron mounting method.

Ten, metallurgical machinery and equipment handling and lifting

3.55 metallurgical machinery and equipment installation works, transport and move the equipment, what are the methods?

3.56 Briefly describe the precautions to be taken when lifting equipment with a single bridge crane

3.57 Briefly describe the method of lifting equipment with two bridge cranes.

3.58 Give an example to briefly describe the method of lifting equipment jointly by an overhead traveling crane and a mast crane

3.59 Briefly describe the safety technical requirements when lifting equipment with a mast crane

3.60 Briefly describe the commonly used mast crane lifting process.

XI. Calculation of Straightness, Hot Installation, Round Bearing Parameters and Shaft Bending Deformation

3.61 Give an example of calculation of straightness error

3.62 Give an example of calculation of assembly clearance.

3.63 Example of empirical interference calculation for red bushing assembly.

3.64 Example of calculation of the heating temperature of the impeller during assembly of the red bushing and the dimensions of a special measuring rod for measuring the expansion of the hole during heating of the impeller.

3.65 Example of calculation of performance parameters of radial circular bearings

3.66 Briefly describe the calculation of bending deformation of the shaft

Part IV General Mechanical Equipment Installation

I. Classification of the foundation of machinery and equipment and the quality requirements

4.1 Briefly describe the development of China's foundation

4.2 Briefly describe the function of the foundation.

4.3 Briefly describe the division of foundation type.

4.4 What are the requirements for equipment foundations in the General Provisions for Construction and Acceptance Specification for Installation of Metallurgical Machinery and Equipment (YBJ201-83)?

4.5 What are the types of foot bolts and washers for equipment foundations? What should be paid attention to when tightening the ground bolts?

Two, parts connection and assembly

4.6 Briefly describe the assembly, assembly principles and assembly steps.

4.7 Briefly describe the types of threaded connection assembly and assembly points

4.8 Briefly describe the role of threaded connection anti-loosening device.

4.9 What is a keyed connection? What are the assembly points of keyed connections?

4.10 What is the role of pin connection assembly, types of pins and points of assembly process of pin connection?

4.11 Briefly describe the function, classification and selection points of couplings

4.12 Briefly describe the function, classification and selection points of clutches.

4.13 Briefly describe the technical quality requirements for assembly of gear train mechanism.

4.14 Briefly describe the technical quality requirements for the assembly of cylindrical gear drive mechanism

4.15 Briefly describe the assembly process of bevel gear drive mechanism

3. Industrial Boiler Installation

4.16 Briefly describe the function and classification of industrial boilers.

4.17 Briefly describe the basics related to industrial boilers.

4.18 Briefly describe the content of the installation process and the basic requirements for installation of industrial boilers

4.19 Briefly describe the function, classification and working principle of deaerator

4.20 Briefly describe the feed pumps and their throttling regulation.

4.21 Briefly describe the feed water piping system for industrial boilers

4.22 Briefly describe the economizer for industrial boilers.

4.23 Briefly describe steam superheater in industrial boilers.

4.24 Briefly describe the main factors affecting the temperature of superheated steam

4.25 Briefly describe the installation of steam piping systems in industrial boilers

4.26 Briefly describe the water cycle in industrial boilers.

4.27 What is the circulating flow head of an industrial boiler?

4.28 What is the boiler work rate of circulation?

4.29 Briefly describe the role of water-cooled walls.

4.30 Briefly describe the steam ladle water level and water level gauge.

4.31 Briefly describe the safety doors commonly used in industrial boilers

4.32 Briefly describe the installation of boiler steel frame.

4.33 Briefly describe the steam ladle (i.e., potbelly) and its installation

4.34 Briefly describe the installation of heated surface tubes

4.35 Briefly describe the welding of heated surface tubes.

4.36 Briefly describe the installation of superheater, water-cooled wall and joint box

Four, general hydraulic equipment system installation

4.37 Briefly describe the preparatory work and requirements before the installation of the hydraulic system

4.38 Briefly describe the requirements for the installation of high-pressure oil pipe of the hydraulic system.

4.39 Briefly describe the installation requirements of hydraulic system suction pipe and return pipe

4.40 Briefly describe the classification and structure of hydraulic press.

4.41 Briefly describe the technical requirements for the installation of hydraulic presses and their ancillary equipment.

4.42 briefly "metallurgical machinery and equipment installation project construction and acceptance of hydraulic, pneumatic and lubrication system" (YBJ207-85) on the installation of hydraulic equipment and components of the provisions

4.43 briefly "metallurgical machinery and equipment installation project construction and acceptance of hydraulic, pneumatic and lubrication system" (YBJ207-85) on lubrication -4.44 Briefly describe the "Metallurgical Machinery and Equipment Installation Engineering Construction and Acceptance Specification for Hydraulic, Pneumatic and Lubrication Systems" (YBJ207-85) on the installation of lubrication equipment for the rolling process

4.45 Briefly describe the hydraulic lubrication system of the pipe Processing requirements

4.46 briefly pipeline installation of general quality and technical requirements

4.47 briefly pipeline pickling method and quality and technical requirements

4.48 briefly pipeline flushing quality and technical requirements

V. Hydraulic Press Installation

4.49 briefly before the installation of hydraulic press conditions and preparations should be

4.50 briefly hydraulic press installation and preparation

4.51 briefly hydraulic press installation and preparation

4.52 briefly hydraulic press installation

4.53 Briefly hydraulic press installation

5.

4.50 Briefly describe the installation of hydraulic press column base

4.51 Briefly describe the installation of hydraulic press lower beam.

4.52 Briefly describe the installation of the movable crossbeam and column of the hydraulic press

4.53 Briefly describe the installation of the working cylinder of the hydraulic press

4.54 Briefly describe the installation of the upper crossbeam of the hydraulic press.

4.55 Describe briefly the installation of guide sleeve and limit sleeve of movable crossbeam.

4.56 briefly work cylinder plunger, hydraulic press auxiliary equipment installation

4.57 briefly test run of the hydraulic press

Six, metallurgical machinery and equipment lubrication

4.58 gear lubrication compared with the lubrication of the sliding bearing what are the special characteristics?

4.59 briefly describe the working characteristics of rolling mill gear drive and its lubrication

4.60 briefly describe the viscosity index of lubricating oil quality.

4.61 metallurgical equipment lubrication usually involves which lubricants (fluids) lubrication?

4.62 Briefly describe the selection of gear lubricants and recommended methods of lubrication of gears in rolling mills.

4.63 briefly gear lubricant use of faults and oil mist lubrication system failure analysis and solution measures

4.64 briefly lubricating oil testing cycle and end-of-life standards and its laboratory report

4.65 briefly synthetic grease characteristics, classification and product use

seven, the installation of bridge cranes

4.66 briefly Classification, structure and installation procedures of overhead cranes

4.67 What are the main inspection items of traveling beams?

4.68 Briefly describe the fabrication and installation of track.

4.69 Briefly describe the dismantling and handling of bridge cranes

4.70 Briefly describe the commissioning procedure for bridge cranes.

4.71 Briefly describe the 400t bridge crane installation construction program and process methods

VIII. pump installation

4.72 Briefly describe the classification of pumps.

4.73 briefly describe the centrifugal pump and its installation requirements.

4.74 What is the characteristic curve of a centrifugal pump?

4.75 Briefly describe the relationship between water delivery and line resistance of centrifugal water pumps

4.76 Briefly describe the regulation of industrial boiler feed pumps

4.77 Briefly describe the structure of multistage centrifugal water pumps.

4.78 Try to describe the installation of centrifugal pumps and the steps and requirements of test run

9, mechanical equipment installation project in the calculation

4.79 give an example of the calculation of foundation settlement.

4.80 Try to write the calculation of the required balance using the swing period of a rotating body on a balance frame.

4.81 try to write the "temperature difference method" in the inclusion of cold consumption and inclusion of heating temperature formula

4.82 try to write a high-precision worm gear double-sided meshing indexing drive side clearance formula

4.83 try to write the centrifugal force of the rotating body eccentricity formula.

4.84 Try to write the formula for calculating the longitudinal expansion gap in the assembly of industrial boiler ladle

4.85 Give an example of calculations for the selection of centrifugal high-efficiency induced draft fan.

4.86 Try to write the formulae for volumetric and total efficiency of oil pumps in hydraulic systems.

4.87 try to write the hydraulic system pipeline flushing self-contained tank volume formula, the minimum rated flow rate of the flushing pump and the minimum flow rate of the formation of turbulence in the pipeline with smooth walls of the formula

4.88 try to write the hydraulic system pipeline inner diameter, wall thickness of the formula.

4.89 Try to write the empirical formula for determining the capacity of the hydraulic system tank.

4.90 Try to write the shock pressure generated in the system when rapidly opening and closing the fluid flow circuit and the formula for calculating the value of the pressure increase caused by a sharp change in the speed of movement of the hydraulic cylinder

4.91 Try to write the formula for calculating the output force of the hydraulic cylinder

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