scheduling a Spanish-eat network schedule

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Uploaded: 22.11.2012
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Description

Examination (crosscutting concern) on the subject of "Organization of production"

The task for the calculation of the

1.Vypolnit scheduling technical preparation for the release of a new product using the network schedule.
Initial data.
The product consists of three units that are expected to make their own: Generator (D) Transmission (manual) and start system (DS), and a host of purchased components, which is expected to buy from a third party (delivery time - 2.5 months. ). (See. Table 2.1).
Table 2.1. Initial data

Title of work Duration of stages (weeks)
Mr. KP NW
Development of technical specifications and preparation of conceptual design 8
Preparation of technical projects 6 July 6
A working draft *
Drafting snap *
Production of equipment *
Manufacturing experienced pattern 6 July 10
Test pilot sample No. 7 September 3
Preparing for the Build 5 4 6
Assembling prototype products 4
The test prototype products 8
Amendment 4 on the test results
The development of mass production 8.5

Note. * Data taken from the calculations of claim 3. The complexity of the work on the nodes D, CE and NW phases, the duration of which is indicated by asterisks, are related as 2: 1.5: 2.5. The number of units taken in the range of 2 ÷ 20.
2. To optimize the network schedule. Calculate reserves of time to carry out all types of work. Put them on a network diagram, and in a separate table.
3.Rasschitat cost estimates for preparation of the detailed design, the drafting of tooling and manufacturing of equipment from the condition that the product is divided arbitrarily into the large (K), medium (C) and small (M) parts. Number of pieces in one product, see Table 2.2.
Table 2.2. Number of components in the product
Option Number of components in the product (pc)
Large Medium Small
19 (1.2 *) 132 96 228

Total time required to perform these kinds of work, based on one detail, see Table 2.3.
Table 2.3. Total time spent


Title Time spent on work item (h).
Engineers
(Designers, technologists)
Technicians (engineers, technologists)
Workers (Stage 3)
K C M K C M
1. Preparation of working draft 15 12 7 13 7.5 6.2
2. Drafting equipment 17 15 June 12 May 11
3. Production of equipment 8 4 2 18 15 10


The work is 22 working days per month of 8.5 hours. The average salary of engineers is 9,500 rubles., Technicians - 8800 rubles. per month, workers - 62 rubles. one-hour norm. Additional salary - 12% of the basic salary. Indirect costs Design Bureau - 80% of the basic salaries of key employees, and the indirect costs of the tool shop, which produced accessories - 200% of the basic salary of industrial workers.
The cost of materials for the manufacturing of equipment for: 1 small details - 295 rub., 1 medium - 440 rubles, 1 large - 620 rubles.
4. In the mass production of one of the parts of the system start-up decided to use the direct-flow line (continuously - in-line), which includes five machining operations.
You need:
A) to determine the beat line in minutes (accuracy of the calculation two decimal places), calculate the number of jobs and the number of workers on the line. Create graphic work schedule, taking the period of acquisition of current backlog interoperable duration of one shift (8 hours). Loss of time on routine maintenance - 4 percent. Requirements for the training of workers at all the same operations (4 qualification level). The workers have mastered the related professions. Determine the load factor of the workers. Suggest activities reloading workers.
B) Calculate the value of current backlog interoperable and build diagrams of their movement.
B) Res

Additional information

The content of the work:
Estimated portion of .................................................................. .. ...............
1.1. The task for the calculation of the .......................................................
1.2. Scheduling Project ........................... .. ...... .............
1.3. Optimizing network schedule ................................................ ...
1.4. Estimating costs .........................................................
1.5. Dimensioning ramjet line ........................................
1.6. Calculation of the system preventative maintenance ....
References ....................................................... ...
Приложения………………………………………………………………………….…..

Job completely independent performance, successfully defended.
It contains all the necessary formulas, calculations, detailed explanations and conclusions.
Applications include calculations for the construction of the network schedule, calculation of reserves of time before and after optimization, graphic equipment utilization, network diagrams before and after optimization.

Scope of work - 27 pages without appendices.

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