Manufacturing process planning

Garant předmětu:

Lecturer:

Tutor:

Supervisor:

Department of Machining, Process Planning and Metrology

Synopsis:

Subject, content, division and tasks of a Manufacturing processes planning. Stages and phases in the manufacturing processes and systems planning. Raw material planning. Cutting plans. Production and materials costs. Allowances. Factors of an accuracy in the manufacturing processes. Determination of the suitable machines, machine-tools and tools from the point of view economy and technology. Methods of evaluation alternatives of the manufacturing processes plans. Using of the decision (deciding) analysis.Sortiment analysis. Classification and classifications systems. Computer aided Process and Systems Planning. System ASEPO and Ortim. Group technology. Conditions for NC Machine-Tools application. Optimized productivity of the machines.

Requirements:

Knowledges of technology of cutting metals, machining and assembly, and production methods of raw materials and design of drawings and process planning sheets. Hand over of the semestral report.

Syllabus of lectures:

1. Stages and phases of the manufacturing process planning. Concentration of the manufacturing operations. Importance of points and systems of time classification.

2. Design and definition productions tasks, seting of input parameters (what, in how quantity, in what time). Analysis of base of parts. Modulus 1

3. Row material suggestion. Methods of the production. Cutting plans. Using of material factor. Costs.

4. Technical bases and its classification in industry. Bases for the production. Recalculation of the dimension chains.

5. Precision of the production. Tolerances and precision determination. Probability keeping of the precise dimensions. Modulus 3

6. Design lists of parts. Design of machine-tools and accesories of view technology and economy. Modulus 3

7. Evaluation of alternatives of technological progress. Respected time-structure and costs. Using of muticriterion decision analysis.

8. Critical batch and critical manufactured amount (of peaces). Calculation of one aided. Modulus 5

9. Computer aided process planning. Systems ASEPO, SYSKLASS and others.

10. Aplication of systém ASEPO.Process plan alternatives evaluation. Time and costs of the production.

11. Importance of the technological charakteristics. Group technology. Standard manufacturing workplaces project. Basic conditions for NC machines.

12. Optimal manufacturing technology and methods for the important group of machined parts (shaftlikes, gears).

13. Application of techniques in internal assembly. Design of assembly process.

Syllabus of tutorials:

1. Input data for the task. Analysis of technological design. Modulus 1

2. Project of the optimized manufacturing of choosen part in items.

3. Project of the raw material for cutting part, it´s dimensions and methods of the productions in items points, allowances determination, normal consumption of material and determination of the coefficient using of the material.

4. Determination the number of operations of manufacturing, heat treatment and inspection.

5. Determination of the type and size of machine tools and accesories for production the group of parts. Modulus 3 Specification of tools (normal and special).

6. Determination technological and technical-economical conditions for items operation and technological part of operation. Calculation of the time standards.

7. Registration of the production, analysis stay of production a nonfinished tasks in production. Modulus 5

Study Objective:

There is a main aim to learn students modern methodology of manufacturing processes design including economic optimal choice of raw material and its production in this subject.

Study materials:

- Zelenka,A.-Preclík,V.- Haninger,M.: Projektování procesů obrábění a montáží, skripta FS, ČVUT 1999

- Preclík,V.: Průmyslová logistika, monografie, Nakladatelství ČVUT 2006

- Zelenka,A.-Preclík,V.- Haninger,M.: Projektování výrobních procesů, skripta FS , Vydavatelství ČVUT 1992

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans: