Predetermined Time Standards Flashcards

1
Q

Diferencia con time study

A

They are already written in tables.

You don´t need to measure times.

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2
Q

Ventajas

A

You don´t need to measure times.

They apply the same in all the world.

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3
Q

Cuando se usa

A

They are assigned to fundamental movements and groups of movements that can not be accurately assessed by ordinary procedures of time study with a stopwatch. Because they are too short or the cycle is not continuous.

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4
Q

Otros nombres

A

Basic Times

Synthetic Times

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5
Q

Porque predetermined

A

because they are used to predict the standard times of new jobs that result from the change of methods.

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6
Q

Por qué basic

A

because greater refinement is difficult and impractical. No se pueden separar más los micro-movimientos.

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7
Q

Por qué synthetic

A

because they are often the result of the Therbligs logical combinations.

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8
Q

Quién y cuando se crea el MTM-1

A

Maynard, Stegemerten and Schwab, 1949

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9
Q

De cuales movimientos fundamentales da los tiempos el MTM-1

A

reaching, moving, turning, grabbing, positioning, unhooking and releasing.

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10
Q

Qué es MTM-1

A

A procedure that analyzes any manual operation or method based on the basic movements that are required to perform it and assigns to each movement a predetermined standard time that is established by the nature of the movement and the conditions in which it is performed.

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11
Q

Cómo funciona el MTM-1

A

It works based on a classification that includes the associated therblig and the distance or weight related to the element. Depending on the classification, a table value is obtained in TMUs (Time Measurement Unit)

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12
Q

1 TMU =

A

0.00001 hr

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13
Q

Los tiempos de las tablas NO incluyen tiempos por retrasos evitables, inevitables o fatiga, verdadero o falso?

A

VERDADERO

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14
Q

El tiempo de las tablas incluye la calificación del operario, es el tiempo normal. Verdadero o falso?

A

Verdadero

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15
Q

Cuándo se usa el MTM-2

A

work areas in which the detail of MTM-1 could economically hamper its use.

  1. The effort portion of the work cycle is more than one minute.
  2. The cycle is not highly repetitive.
  3. The manual portion of the work cycle does not involve a large number of complex or simultaneous movements of the hands.
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16
Q

Diferencias / Ventajas MTM-2

A

-less elaborate data that would be suitable for most
of the sequences of movements.
-The data is adapted to the operator and is independent of the workplace or the equipment used

17
Q

Cómo se forma el MTMT-2

A
  1. Simple basic MTM movements.

2. Combinations of basic MTM movements.