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Home » Articles » Technology of sewing production

Preparation of process flow diagram

Technological flow diagram is the main technical document. Based on this scheme arranges the jobs, equipment, working, equip workplaces with tools, devices and auxiliary materials, process control, and expect the wages of workers. 

Technological scheme of make up on. table-based coordinate operations and technological flow of the processing sequence of the product. For odnofaznogo flood her make up in the following form.
 

Technological scheme for odnofaznogo flow

In gr. 1 the technological scheme of operation of the flow number is usually sequential numbers starting at number one. Indivisible operations included in the organizational operation, denoted by the letters. This is done to ensure that in case of absenteeism, individual work could be allocated in separate operations across multiple workers performing other operations.

In gr. 2 first put the pre-cut sewing, then the process operation details further surgery. the main process in the order of the process sequence. After the name of each indivisible operation, and often after enumerating all atomic operations in the process, give a description of the main technical conditions of production. In accordance with the standard methods of processing in the description of the technical terms should be briefly indicate the following requirements to the quality of operations:

technological features of processing (how to stack the parts in the processing, from what details do the stitching or pressing of which is stygiana, pulling, bearing parts and others); 

the location, size and distribution of planting is in the details; 

the normal width of joints, lines and permissible deviations; 

frequency and length of stitches in a row. 

Before or after the description of the technical conditions specify the order of stacking parts in the cell of the conveyor. At multiple operations is also indicated cell numbers assigned to the workers.

In gr. 3 specialty or line of work taping abbreviation (initial letters of the name of the specialty) . Specialty indicate for all indivisible operations within the organizational operation. 

In gr. 4 indicate the category of worker required to execute the indivisible operations. 

In gr. 5 note the time for each indivisible transaction and as a result, the standard time for the organizational operation. In the flow with the beat more than 100 from the time point with accuracy to 1, and flow with a stroke less than 100 - accurate to 0.1 s.

In gr. 6 put the estimated number of workers, which is determined by dividing the standard time of the operation in the flow of the beat. The estimated number of workers placed with an accuracy of up to 0.01 to see the workload of operations in relation to the beat. 

In gr. 7 write down the rate of development, determined by dividing the length of the working day at the time of the organizational operations (from gr. 5).

In gr. 8 quote, define division of the tariff rate corresponding category of work on the rate of development (if the entries one digit) or a multiplying of the tariff rate for 1 min or 1 sec (in accordance with the category) at the time of each indivisible operation. Piece-rates for institutional operation determined by summation of piece rates is indivisible operations included in its composition.

In gr. 9 indicate the equipment, tools and fixtures required to perform organizational operations (take out of the processing sequence of the product).

After drawing up technological schemes count (summarizing the data of the relevant organizational operations): the total processing time in seconds and hours, the estimated number of workers in the flow, the total incentive cost per unit of product. 

For better training of workers for running their operations and process control at each organizational operations make up the instructional maps that indicate the technical conditions of the operation, time, yield, cost.



Category: Technology of sewing production | Added by: 19.10.2017
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