Reading from allowance tables in Direct Time study (IE)

• Huumah
In summary, the example in the Work measurement course shows that the allowance for direct time study decreases by 0.01 minute for every minute of actual time. This can be seen by looking at the allowance table, where each successive interval has an allowance that is 0.01 minute less than the previous interval.
Huumah

Can anyone help me reading how the example comes to this conclusion?
This is a allowance tables in direct time study in Work measurement course

Example:Allowance =0.00 - 1.00 min = 0.12 min1.01 - 2.00 min = 0.11 min2.01 - 3.00 min = 0.10 min3.01 - 4.00 min = 0.09 min4.01 - 5.00 min = 0.08 minThe conclusion is that the allowance decreases by 0.01 minute for every minute of actual time.This conclusion can be seen by looking at the table and noting that the allowance decreases by 0.01 minute for each successive interval. For example, the allowance for the 0.00-1.00 min interval is 0.12 minute, while the allowance for the 1.01-2.00 min interval is 0.11 minute (which is 0.01 minute less). This pattern continues for each successive interval, showing that the allowance decreases by 0.01 minute for every minute of actual time.

1. What are allowance tables in Direct Time study?

Allowance tables in Direct Time study are used to estimate the time taken by an operator to perform a task under defined conditions. They provide a standard time value for a specific task, which can then be used to calculate the total time required for a job.

2. How are allowance tables created?

Allowance tables are created through time and motion studies, where an observer records the time taken by an operator to complete a task. The data is then analyzed and standardized to create an average time value for the task.

3. What factors are considered when creating allowance tables in Direct Time study?

Several factors are taken into account when creating allowance tables, including the complexity of the task, the skill level of the operator, the environmental conditions, and the tools and equipment used. These factors can affect the time taken to complete a task and must be considered for accurate time estimation.

4. How are allowance tables used in Direct Time study?

Allowance tables are used to determine the standard time for a task, which is then used to calculate the total time required for a job. They also help in identifying any inefficiencies or areas for improvement in a process, by comparing the standard time to the actual time taken.

5. Are allowance tables applicable to all industries?

Yes, allowance tables can be used in any industry where time and motion studies are conducted. They are commonly used in manufacturing, assembly, and service industries to improve efficiency and productivity.

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