Production technology of SHAFT part with drawings and explanations

Contents

Introduction

1. Design Description and Part Assignment

2. Part Drawing Process Inspection

3. Part Constructability Analysis

4. Selection of workpiece manufacturing method

5. Process Plan Structure Selection

6. Definition of production type and form of production organization

6.1. Production type

6.2 Choosing the Form of Organization

7. Selection and calculation of processing allowances

8. Selection of metal cutting equipment

9. Selecting a Cutting Tool

10. Select Auxiliary Tool

11. Selection of machine tools

12. Selection of measuring and monitoring instruments

13. Select Cutting Modes

14. Technical normalization of operation time

15. Selection of means of transportation of workpieces and parts

16. Control Program Design

16.1. Technical characteristics of the machine and ECC

Process Information

Geometric information

Command Codes

Control Program Text

17. Design of machine tools

17.1. Development of the Terms of Reference

17.2. Selecting a Basing Scheme

17.3. Arrangement of accessory

17.4. Description of the structure and operation of the accessory

17.5. Accuracy check calculation

18. Process Feasibility Study

19. Research part of the project

Conclusion

List of literature used

Application

Introduction

The quantity of products, production efficiency and its technical progress in many respects depends on development of production of the new equipment, machines, machines and devices, on every possible introduction of methods of the technical and economic analysis.

Course design is an important stage in the formation of solid knowledge in the course "Engineering Technology." The work on the course project consolidates, deepens and summarizes the theoretical knowledge gained during the training sessions. The goal of course design is the development of independent creativity in order to increase initiative and organizational tasks, as well as a detailed and creative analysis of existing technological processes. The focus is on making suggestions for improvements to existing technologies in the course project.

During work on the course design, it is necessary to develop a technological process for the manufacture of the part. To do this, you need to fully analyze the part, determine its processability, the main operations for processing the part, the type of production, develop cutting modes, and give a technical and economic assessment. If possible, a research part on a certain topic should be conducted.

Design Description and Part Assignment

The part is of general engineering purpose and belongs to the class of shafts (cylindrical surface with necks). The drive shaft is used in various drives and is a responsible part (in ball mill designs). A construction is a part consisting of two surfaces, a solid of revolution and a body of square section. This is one of the complexity of the part. The part operates under average load conditions. The shaft is not high-speed. In turn, it is convenient for processing, since it is rigid. Calculation of wear resistance is not required, concentric arrangement of necks is required. This part is machined in a cartridge without a rear center or using a rear center. The main surfaces of the shaft are: flat and spherical end surfaces.

Additional structural elements are: 2 flats, a key slot, grooves for leaving the grinding wheel and for locking the ring, a transverse hole.

The most accurate, responsible for manufacturing are: diameters d = 35 mm; d = 25 mm; d = 23.5 mm; d = 20 mm; hole d = 18 mm.

Part Drawing Process Inspection

The part drawing contains a single view, as well as several local views that give you an idea of the part design. Surface roughness, unspecified roughness, dimensions and limit deviations are correctly placed.

In general, the design of the drawing contains the necessary technological information for the development of the process. In general, information is provided in accordance with the requirements of the ESKD and the AETP. This is confirmed by:

1. The image of the part is made adequately, with the indication of all the elements of the structure (the required number of projections, with local sections). But there is a discrepancy between the additional type B and the main. Round boundary R = 30 mm is not specified. Further, it is desirable that there be an additional view on an enlarged scale of a groove having a width of 1.4mm.

2. All dimensions required for part manufacture are specified.

3. Tolerances are specified for all dimensions.

4. Roughness requirements are set on all surfaces of the part.

5. All the conditions necessary for the manufacture of the part, except for the mass of the part, are formulated or indicated.

Part Constructability Analysis

Technological analysis of the design provides improvement of technical and economic parameters of the developed technical process. Therefore, technological analysis is one of the most important stages of technological

development. The main problems solved in the analysis of the processability of the machined part design are reduced by the possible reduction of labor intensity and metal consumption, and the possibility of processing using high-performance methods. In general, the design of the part is technological. This is confirmed: the part is made of process material Steel 40X, it is possible to use a workpiece close in shape to the part. The labor intensity of the part is medium, conventional processing methods are used, standard tools are used to make the part. The amount of locksmith work is minimal. It is possible that the use of universal measuring and control tools is Not-technological elements are flats, since there may be difficulties in basing the part during their processing and when drilling the hole (it is necessary to fix the cylinder). Otherwise, the part is technological.

Control Program Text

N001G27S047M104T101

N002G58Z+000000F70000

N003X+000000

N004G26

N005G01F10200L31

N006Z-03000F10600

N007X-03200

N008X-09200F10200

N009Z+00300

N010X+09200F10600

N011G40F10200L31

N012S048T102

N013G26

N014G01F10280L32

N015Z-03000F10600

N016X-02420

N017Z-11500F10280

N018X+02420F10600

N019Z+11500F70000

N020X-02720F10280

N021Z-09150

N022X+00300Z-00150

N023X+03020F10600

N024Z+09300F70000

N025X-03420F10600

N026Z-09000F10280

N027X+03420F10600

N028Z+09000F70000

N029X-03920F10600

N030Z-02000F10280

N031X+03920 F10600

N032Z+02000 F70000

N033X-04260

N034X-00300Z-00150F10280

N035X+004360F10600

N036Z+00150F70000

N037G40F10280L32

N038T103

N039G26

N040G01F10280L33

N041Z-03000F10600

N042X-03460

N043Z-09000F10280

N044X+03460 F10600

N045Z+09000 F70000

N046X-03960 F10600

N047Z-02000F10280

N048X+03960 F10600

N049Z+02000 F70000

N050X-04260

N051X-00300Z-00150F10280

N052X+04360F10600

N053Z+00150F70000

N054G40F10280L33

N055T104

N056G26

N057G01F10140L34

N058Z-03000F70000

N059X-03960F10600

N060X-00100F10140

N061X+04060F10600

N062Z+03000F70000

N063Z-12000F70000

N064X-03480F10600

N065X-00100F10140

N066X+03580F10600

N067Z+12000F70000

N068G40F10140L34

N069T105

N070G26

N071G01F10140L35

N072Z-05670F70000

N073X-03480F10600

N074X-00075F10140

N075X+03555F10600

N076Z+05670F70000

N077G40F10140L35

N078G25X+999999F70000

N079M105

N080G25Z+999999

N081M002

Description of the structure and operation of the accessory

Bearings are fitted on conical shaft. Between them there is a bushing. The shaft has a hole into which replaceable adjustments are inserted. The shaft is inserted into the housing and closed by a cover in which the sealing cuff is located. Replaceable adjustments are inserted into the shaft hole, removed using a fork. Interchangeable adjustments have different designs and allow you to process different parts. On one side the part rests against the center, on the other side it is clamped in the cartridge. In this way, the basing accuracy is achieved.