LAB 3
FAKULTI TEKNOLOGI KEJURUTERAAN
MEKANIKAL DAN PEMBUATAN
UNIVERSITI TEKNIKAL MALAYSIA MELAKA
BMMP 2333
QUALITY CONTROL (KAWALAN KUALITI)
LAB REPORT 3
ACCEPTANCE SAMPLING
INSTRUCTOR’S NAME TS. DR. AMIR HAMZAH/ TS. DR. ROHANA
S1.
STUDENT’S NAME
MUHAMMAD ADIB BIN NORMAN
MATRIX NO:
B091910035
S2.
BAZIL SUHAIMI BIN BUANG
B091910225
S3.
MUHAMMAD HAMIZAN BIN ZAINAL
B091910435
S4.
MUHAMAD MAHFIZ BIN SABARDAN
B091910046
S5.
NUR MAHIRAH BINTI AZMAN
B091910295
ASSESSEMENT RUBRICS
ASSESSMENT TASK/ITEMS
MARK
ALLOCATION
1. Abiltiy to apply Knowledge
(Introduction, use the equipment
with proper technique).
2. Group Communication
(Distriburion of tasks among
members)
3. Proper Method and Approach
(Construct and understanding of
gemba activity with process flow)
4. Outcome (Results)
15
5. Outcome (Discussion).
6. Discipline (Safety regulation during
gemba).
20
TOTAL MARKS
GIVEN MARKS
S1
S2
S3
S4
S5
5
30
20
10
100
Approved By: ………………………………………………..…..
(Instructor’s Signature & Stamp)
Date: …………………………………………….........
Abiltiy to apply Knowledge (Introduction, use the equipment with proper technique).
i. Introduction
This experiment is designed to give practical experiences for students in doing experiment
by doing inspection based on the determined sampling plan. This is a simple experiment
where students are required to do visual inspection on provided samples. Other than that,
this experiment required student to apply the learning outcome from chapter Acceptance
Sampling by using of MIL-STD-105E III table based on lot size and general inspection level to
get the Code Letter. After that, based on this experiment data given, student should know to
use the correct Military Standard Table Inspection for the experiment such as Normal,
Tightened or Reduced. This to get the RE Reject and AC Accept number for the sample lot size.
ii. Ability to use the equipment given with proper technique
Tools / Equipments
Usage
Provided data (Set 1)
To carry out the lab
Pen/Pencil
To do the flowchart
Paper
To do the flowchart
Container
To put the clips inside the container
MIL-STD-105E III
To refer the code letter
Military standard table
To find the reject and accept
Group Communication (Distribution of tasks among members)
Distribution of tasks among members
MUHAMMAD ADIB BIN NORMAN
1. Introduction
2. Prepare the proper method and technique in
presenting the inspection result.
BAZIL SUHAIMI BIN BUANG
1. Undergo the procedures and use the
equipment given with proper technique
2. Manage the distribution of tasks among members.
MUHAMMAD HAMIZAN BIN ZAINAL 1. P r e s e n t comments on the necessary actions taken
MUHAMAD MAHFIZ BIN SABARDAN
if the lot is rejecting or OK
2. Describing their technique/ method to ensure the
sample selection during this lab is random.
3. Ability to perform lab and safety regulations
NUR MAHIRAH BINTI AZMAN
1. Proper method in conducting experiment- process
flow
2. Determine the quantity of the clip shirt given
3. Determine the correct sampling plan as per
instructed (10)
Proper Method and Approach (Construct and understanding of gemba activity with process flow)
i. Proper method in conducting experiment- process flow
ii. Determine the quantity of the clip shirt given
•
Lot Size, N=100
•
Reject Part=3
iii. Determine the correct sampling plan as per instructed (10)
Single sampling plan is used to conduct the experiment where by the number of defective
exceeds the specified acceptance level(c) the entire lot is rejected. If no, the entire lot will be
accepted. Normal inspection and tightened inspection will be targeted for carrying out this
acceptance sampling.
Outcome (Results)
i. Proper method and technique in presenting the inspection result.
Sampling plan
#1
Sampling plan
#2
ii.
•
Inspection level : 1
•
Inspection : Normal
•
AQL : 0.65%
•
Inspection level : II
•
Inspection : Tightened
•
AQL : 10%
Code letter: D
Sample size: 8
Ac: 0
Re: 1
Code letter: F
Sample size: 20
Ac: 3
Re: 4
Final judgement on the inspection results
For sampling plan #1,
● Acceptance level, c = 0, accept if the defects < 0
● Rejection number, Re = 1, reject the entire lot if the defects > 1
According to the sample size of 8 out of 100 lot the quantity of reject
part(defect) is more than rejection number, reject part = 3 > rejection
number= 1. The result shows that the entire lot is rejected.
For sampling plan #2,
● Acceptance Level c = 3, accept if the defect < 3
● Rejection Number, Re= 4, reject the entire lot if the defect > 4.
According to the sample size of 20 out of 100 lot the quantity of reject
part(defect) is less than rejection number, reject part = 3 < rejection number
= 4. The result shows that the entire lot is accepted.
Outcome (Discussion)
i.
Comments on the necessary actions taken if the lot is rejecting or OK
As what is proved above with Sampling Plan 1 and Sampling Plan 2, we can ensure that
the c or less nonconforming units are found in the sample, the lot is accepted, or else it is
rejected. Each item in the sample is examined and classified as good and also defective. If
the number of defective exceed a specified rejection number, the whole lot is rejected,
otherwise the whole lot is accepted. The necessary actions to be taken if the lot is rejecting
is to loosen up the type of inspection from tighten (Sampling Plan 2) but only after a certain
period of time. For the rejected part we still can re-work on it or totally reject it because
that part are total lost.
ii. Describing their technique/ method to ensure the sample selection during this lab is random.
There are several method to ensure the sample is selected is random such as using a
random number table or sampling with replacement were lets say a 100 clips are placed in
a basket, the inspector picks a clip record the information that particular clip in the sample,
then put the clip back in the basket, mixed the clips in the basket. The clip that was just
inspected has the same chance of being selected again. This is known as sampling with
replacement. In other words, we can do it either simple random sampling or systematic
sampling. Systematic sampling is a statistical method involving the selection of clips from a
given lot, the most common form of systematic sampling is an equal-probability method. In
the end, with certain limits of rejected or accepted parts determined on the actual values.
The decision of to accept a lot or to reject depends on the basis of calculation of average
and the variability of the measurement referring to the given AQL procedures.
Discipline
i. Ability to perform lab and safety regulations
i.
Ensure to wear safety shoes while in the lab.
ii.
Ensure to wear a lab coat.
iii.
It is forbidden to wear jewelry such as rings and necklace.
iv.
Ensure tie the hair for the long haired.
v.
Follow the instructions
FAKULTI TEKNOLOGI KEJURUTERAAN
QUALITY CONTROL (BMMP 2333)
RUBRIC FOR LAB ACTIVITY ASESSMENT
Lab No. / Name: Lab 3/ ACCEPTANCE SAMPLING
1. Student 1: MUHAMMAD ADIB BIN NORMAN
Matrix No.: B091910035
2. Student 2: MUHAMAD MAHFIZ BIN SABARDAN
Matrix No.: B091910046
3. Student 3: BAZIL SUHAIMI BIN BUANG
Matrix No.: B091910225
4. Student 4: MUHAMMAD HAMIZAN BIN ZAINAL
Matrix No.: B091910435
5. Student 5: NUR MAHIRAH BINTI AZMAN
Matrix No.: B091910295
6. Course/Group / Section: S 1/1
1st rank – WORST
2nd rank – POOR
3rd rank – SATISFIED
4th – GOOD
5th rank -
EXCELLENT
CRITERIA
A. Abiltiy
to apply
Knowledge (15)
B. Communication
(5)
EVALUATION
GIVEN MARK
STUDENT 1
Introduction (10)
Ability to use the apparatus given with
proper technique (5)
1 2
3 4 5
×2
1 2
3 4 5
×1
Distribution of tasks among members (5)
1 2
3 4 5
×1
Proper method in conducting experimentprocess flow (15)
1 2
3 4 5
×3
STUDENT 2
STUDENT 3
STUDENT 4
C. Proper
Method
and Approach
(30)
D. Outcome (20)
E. Outcome (20)
F. Discipline (10)
Determine the quantity of the clip shirt
given (5)
Determine the correct sampling plan as
per instructed (10)
Proper method and technique in
presenting the inspection result (10)
Final judgement on the inspection results
(10)
Commnents on the necessary actions
taken if the lot is rejecting or OK (10)
Describing their technique/ method to
ensure the sample selection during this
lab is random. (10)
Ability to perform lab and safety
regulations
Attendance (Punctuality) (2)
Attire (3)
1 2
3 4
5
×1
1 2
3 4
5
×2
1 2
3 4
5
×2
1 2
3 4
5
×2
1 2
3 4
5
×2
1 2
3 4
5
×2
1 2
3 4
5
×1
YES/ NO
2
OK/ NOT GOOD
3
Total Marks (100)
Total Marks (5%)
Examiner Comments:
Instructor Signature:
……………………………………………
Date:
………………………..
Name: