EIND 313 University of New Haven Performance Rating when Using a Metronome Lab Report This is a summary lab report assignment for a Work Design and Analysi

EIND 313 University of New Haven Performance Rating when Using a Metronome Lab Report This is a summary lab report assignment for a Work Design and Analysis class.Read the lab intro and the handout to understand the assignment.I have also uploaded the rubric and chapter 10 that you might need to answer the handout questions. EIND 313 – Laboratory 5
Time Study Introduction and
Demonstrations
Dr. Bernadette McCrory
Video Overview
• Beginning Engineers Time and Motion
Studies (10:04) – watch on your own
– https://youtu.be/O77elB7-CYE
• Beginning Engineers Time Study
Examples (14:05, stop at 9:32)
– https://youtu.be/jDaa1HZQQZg
o Decimal Minute Watch (Meylan Stopwatch Co, Models 204 & 208)
? Large Dial 1 division = 0.01 min, 100 divisions = 1.0 min
? Small Dial 30 divisions = 1.0 min
? Best for continuous time study method
– Digital Stopwatch (Accusplit AX 725)
• 0.01 sec divisions
• typical accuracy of +/- 0.002%
• continuous or snapback time study methods
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Time study board (clipboard with various features/add-ons)
Time study forms (many exist – use provided form)
Calculator
Hand-held PC/Tablet/PDA with time study software (optional)
Video recorder (optional)
Metronome (optional, many phone apps exist)
Elements of operation (horizontally on top) with cycles of operations vertically by row.
Ratings (R)
Watch Time/readout (W) (no W in snapback method)
Observed time difference between successive watch times(OT)
Normal time (NT)
Time Study Steps
1. Divide operation into elements
Watch several times – find separate
easily discernable elements – breakpoints
(visual/sound), record in sequence
2. Complete header of time study form
(study, operator, etc)
3. Enter elements and descriptions
4. Pick method (snap back or continuous)
5. Time check – enter starting time
Other annotations
• Missing a reading = “M” in the W column
• Operator omits element draw horizontal
line through space in W column.
• Elements performed out of order – go to
element being performed and draw
horizontal line through W space and write
above and below the line time began and
above the line time ended.
• Foreign elements (5) letters A, B, C, etc in
the NT column
• Time the foreign element began (W1) and
ended (W2) – subtract time out time OT
Time Study Steps
• Ener Ratings for Elements & Cycles
• Enter Finish Time
• Compute Elapsed Time
Time Study Steps
• NT = OT x R/100 (R in %)
• ST = NT + NT x allowance
= NT x (1 + allowance)
58
530
58/100
530/100
0.530/3
0.177*1.10
EIND 313 LABORATORY AND PROJECT EVALUATION FORM
(Total = 100 pts)
Supporting Materials – Appendix and References (15 pts)
Title Page (3 pts)
YES
No
Introduction (7 pts)
Objectives (3 pts)
Methods (7 pts)
Results (30 pts)
Discussion (15 pts)
Conclusions, Recommendations & Key Points (10 pts)
Overall Quality (10 pts)
TOTAL / 100 0
Copyright {c} 2014 by the McGraw-Hill Companies, Inc. All rights Reserved.
Copyright {c} 2014 by the McGraw-Hill Companies, Inc. All rights Reserved.

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