lecture 8_work study

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INDUSTRIALENGINEERINGINDUSTRIALENGINEERINGWORK STUDY(Part 1 - Work Method)WORK STUDY(Part 1 - Work Method)

© 2006 Prentice Hall, Inc.

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Learning ObjectivesLearning Objectives

When you complete this chapter, you When you complete this chapter, you should be able to:should be able to:

Identify or Define:Identify or Define: Work studyWork study work methods work methods

Describe or Explain:Describe or Explain: Benefits of work methodsBenefits of work methods

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Work Study DefinitionWork Study Definition

A study to determine the A study to determine the best best methodmethod to perform a particular task to perform a particular task to ensure that to ensure that quality and quantity quality and quantity standardsstandards are achieved efficiently are achieved efficiently and safelyand safely

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Work Study componentsWork Study components

METHOD STUDY - To improve method of

doing work

WORK STUDY

WORK MEASUREMENT- To evaluate effectiveness

Possibility of improvements

More efficient use in resources

IMPROVEMENT IN PRODUCTIVITY

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METHOD STUDYMETHOD STUDY

A study to determine the A study to determine the best best methodmethod to perform a particular task to perform a particular task to ensure that to ensure that quality and quantity quality and quantity standardsstandards are achieved efficiently are achieved efficiently and safelyand safely

Definition:Definition:

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Method Study PurposesMethod Study Purposes

Movement of individual or materialMovement of individual or material

2.2. Use to analyze:Use to analyze:• Flow ChartFlow Chart• Process chartProcess chart

•Activity chartActivity chart

•Left HandLeft HandRight Hand ChartRight Hand Chart

Activity of human and machine Activity of human and machine

Body movements (arm & hands) Body movements (arm & hands)

1.1. Focus on how task is performedFocus on how task is performed

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Method study objectivesMethod study objectives

InputInput OutputOutput

•laborlabor•EquipmentEquipment•MaterialMaterial•Activity Activity sequencesequence

•Increase performanceIncrease performance•Improve safetyImprove safety•Decrease fatigueDecrease fatigue•Develop standardsDevelop standards

ProcessProcess

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METHOD STUDYMETHOD STUDY

Better understanding of work performedBetter understanding of work performed Improved operator performanceImproved operator performance More safety – less risks from hazards for More safety – less risks from hazards for

health and assets health and assets

Benefits:Benefits:

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1. Flow Chart1. Flow Chart

Storage binsStorage bins

Machine 1Machine 1

Mach. 2

Mach. 3 Mach. 4

From

press mach. Paint Paint

shopshop

WeldingWelding

Figure 10.5 (a)Figure 10.5 (a)

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Storage bins

Machine 1

Machine 2

Machine 3

Machine 4

From press mach.

Paint Paint shopshop

WeldingWelding

Flow ChartFlow Chart

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2.Process 2.Process ChartChart

Figure 10.5 (c)Figure 10.5 (c)

Graphic Graphic representation representation depicting a depicting a sequence of stepssequence of stepsfor a processfor a process

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ExerciseExercise

You are required to make 5 copies of class notes for You are required to make 5 copies of class notes for each of your team member. First, you need to print the softcopyeach of your team member. First, you need to print the softcopyfrom a computer at FKP’s admin office. Next, you will needfrom a computer at FKP’s admin office. Next, you will needto go to a copier located close by and make 5 copies of theto go to a copier located close by and make 5 copies of thedocument. You will also need to sort and staple each copy.document. You will also need to sort and staple each copy.

Design a flow chart and process chart for this taskDesign a flow chart and process chart for this task

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1.1. Go to the FKP office copy room (Transport)Go to the FKP office copy room (Transport)

2.2. Open file at computer (Operation)Open file at computer (Operation)

3.3. Print class notes (Operation)Print class notes (Operation)

4.4. Move to the copy machine (Transport)Move to the copy machine (Transport)

5.5. Load the class notes on the copy machine (Operation)Load the class notes on the copy machine (Operation)

6.6. Operate the copy machine (Operation)Operate the copy machine (Operation)

7.7. Move the copies away from the machine(Transport)Move the copies away from the machine(Transport)

8.8. Sort the papers into 5 sets (Operation)Sort the papers into 5 sets (Operation)

9.9. Reach for stapler nearby (Operation)Reach for stapler nearby (Operation)

10.10. Grasp the stapler (Operation)Grasp the stapler (Operation)

11.11. Staple the paper sets (Operation)Staple the paper sets (Operation)

12. Check for errors (Inspection)12. Check for errors (Inspection)

13. Run out from FKP copy room before anybody sees you 13. Run out from FKP copy room before anybody sees you (Transport)(Transport)

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3.Activity Chart3.Activity Chart

A way to improveA way to improveUtilization of Utilization of Operator/s and Operator/s and Machine/s Machine/s

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ExerciseExercise

Draw an activity chart for machine operator with the followingDraw an activity chart for machine operator with the followingOperation:Operation:

Prepare millPrepare mill machine for loading machine for loading 0.5 min0.5 minLoad mill machineLoad mill machine 1.75 min1.75 minMill machine operating (cut material)Mill machine operating (cut material) 2.25 min2.25 minUload millUload mill .75 min.75 min

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4.Left Hand Right Hand Chart4.Left Hand Right Hand Chart

Chart depictingChart depictingleft and rightleft and righthand motionshand motions

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ExerciseExercise

Make an Left Hand Right Hand chart for putting a Make an Left Hand Right Hand chart for putting a paper clip on two pieces of paperpaper clip on two pieces of paper