5

2

2.1 (Work Study) 2.1.1 (2527) (Work System ) (2539) (2543) (Work Study) (Method Study) (Work Measurement) (Work Study) 2.1.2 (2543) 1. 2.

6

2.1

2.1 : (2543)

2.1.3 (2543) 8 1. 2. 3. 4.

- -

-

7

5. 6. 7. 8. 2.1.4 (2539) 1. 2. 3. 5W 1H ECRS

8

2.1 2.1

1. (What)

(Why)

(Eliminate)

2. (Where)

(Why)

(Combine)

3. (When)

(Why)

(Rearrange)

4. (Who)

(Why)

5. (How)

(Why)

(Simplification)

: (2539) 2.1.5 (2539)

5 W 1H ECRS

9

2.1 2.2 2.1.6 (Method Study) 1. (2527) (Method Study) 2. . . . 3.

=

100

2.1

=

2.2

100

10

. .

.

.

.

. .

.

4. (Process Analysis)

. (Operation Process Chart)

. (Flow Process Chart) 3 (Man Type) (Materials Type) (Man and Machine Type)

11

2.2 (Principles of Motion Economy) 3 . (Use of Human Body) 1) 2) 3) 4) 5) 6) 7) 8) 9) . (Arrangement of The Workplace) 1) 2) 2.2 2.3

12

2.2 : (2539)

2.3 : (2539)

3) 4) 5) 6) 7) . (Design of Tools And

Equipment) 1)

13

2) 2 3) 10 4) 5) 2.3 (Pareto Diagram) 7 (2544:39) ..1907 . 1. 2. 3.

14

4. 2.4

2.4 : (2544:39)

1. 2. . . . .

15

. 3. 5 5 2.4 Six Sigma (2548) [Internet] Six Sigma 1. (Select Output Characteristic) 1.1 (Define Phase) -

- Six Sigma -

- - Six Sigma 1.2 - - -

16

2. (Define Performance Standards) 2.1 (Measure Phase) - DPMO - 1 - 2.2 () - - - - 3. (Validate Measurement System) (Measurement System Analysis)

Total Variability = Product Variability + Measurement Variability 2.3

Observed Value = Master Value + Measurement Error 2.4

Measurement Error Observe Value Master

2.5 (Measurement System Analysis)

: http:// Lear.com/cr/ci/Six Sigma/index.htm

17

4. (Establish Process Capability) ( 1) ( 2) ( 3) Z long term-Z short term DPMO Z The Z-Score X Standard deviations Z-score (Quality level -% Defects) (Standard scale of measure) Z-score 2.6 2.7

2.6 Z-score (Standard scale of measure) : http:// Lear.com/cr/ci/Six Sigma/index.htm

2.7 (Normalized Distribution)

: http:// Lear.com/cr/ci/Six Sigma/index.htm

18

Practical Problem Z-Score USL LSL 2.8 Statistical Problem USL

LSL Z-Score 2.8

2.8 USL LSL : http:// Lear.com/cr/ci/Six Sigma/index.htm

106.5105.5104.5103.5102.5101.5100.599.598.597.5

10

5

0

Amount

Fre

quency

Raw Score Distribution

210-1-2-3

15

10

5

0

Z-score

Fre

qu

en

cy

Standard Score Distribution

19

5. (Define Performance Objectives) - - - DPMO ( Dollar Savings ) - Six Sigma

2.9 Six Sigma : http:// Lear.com/cr/ci/Six Sigma/index.htm

2.5 Sensor () (2552) [Internet] Sensor 1. Limit Switch ( ) 2. Photo Electric Sensors Photo Electric Sensors 3. Proximity Sensors 2

Z-Bench Reduction

Short Term Target

3 50%

20

a. (Inductive) b. (Capacitive) Sensor 2.2 2.2

(Limit Switches)

- - (Isolated) - - - - -

- - ( 1.5 /) - - (IP) -

: http://www.Servoline.com/index.php?lay=show&ac=article&Id

21

2.2 ()

(Inductive Proximity Sensors)

- - - (IP) - - -

- ( 60 mm) - - (Switching Point) ()

(Capacitive Proximity Sensors)

- - (Partition)

- -

: http://www.Servoline.com/index.php?lay=show&ac=article&Id

22

2.2 ()

(PhotoElectricSensors)

- - - -

- -

: http://www.Servoline.com/index.php?lay=show&ac=article&Id 2.6 (Infrared Sensor) (2549) [Internet] 1,011 1,014 10-3 10-6 2 Iried 20

23

2 1. 2.10

2.10 : http://Research.crma.ac.th(2549)

2. 2.11

2.11 : http://Research.crma.ac.th(2549)

24

2.7 (2552) [Internet] (Microcontroller) 2 (Micro) (Controller) 5 1. (CPU: Central Processing Unit) 2. (Memory) 2 (Program Memory) (Data Memory) (RAM) (EEPROM : Erasable Electrically Read-Only Memory) 3. (Port) 2 (Input Port) (Output Port)

25

4. (BUS) (Data Bus) (Address Bus) (Control Bus) 8 16 32 64 2 n (n ) 10 2 10 1,024 8 10 8x1,024 8,192 1 1,024 8,192 1,024 1 -- - 5.

26

2.8 Microcontroller (2552) [Internet] Microcontroller ( MCU) C Basic Assembly Compiler Compiled Microcontroller Assembly Compile Assembler MCU Chip MCU Assembler Microchip MPASM Hex file 2.12

2.12 Hex file 1 : http://www.Inex.co.th/micro/whatismicro.html

Assembly Compile Object files Linker Link Script file MCU Link Hex file C Basic Assembly Object files Assembler Assembly Compiled Compiler Link

27

Linker Link Library Hex file 2.13

2.13 Hex file 2

: http://www.Inex.co.th/micro/whatismicro.html

Hex file Chip Software Programmer Serial Parallel Chip

28

2.9 Poka-Yoke (2552) [Internet] Poka-Yoke Dr.Shingo 2 Poka-Yoke (Fool Proof) Dr.Shingo Poka-Yoke Poka-Yoke (Mistake-Proofing) (Fail-Safe) Poka-Yoke Poka-Yoke 2 Poka-Yoke Poka-Yoke (Rework) Poka-Yoke Poka-Yoke (Defect) (Device) Poka-Yoke

29

2.9.1 Poka-Yoke 1. (Control Methods) (Warning Methods) 2. (Warning Methods) 2.9.2 Poka-Yoke 1. (Contact Methods) 2. (Fixed Value Methods) 3. (Motion Step Methods)

30

2.14 Poka-Yoke

: http://www.Nubi.nu.ac.th/webie/pokayoke.html

2.9.3 Poka-Yoke Zero Defect 1. (Zero Defect) 1.1 (Source Inspection) 1.2 100 1.3 2. 100 2.1 (Source Inspection) 60 2.2 (Poka-Yoke) 30 2.3 10 (Source Inspection) Poka-Yoke (Source Inspection)

31

Poka-Yoke (Source Inspection) 000000 Poka-Yoke (Physical Detection Methods) (Sensory Detection Methods) Successive Checks Self-Checks Successive Checks Self-Checks Zero Defect Successive Checks Self-Checks Dr.Shingo Poka-Yoke Successive Checks Self-Checks Poka-Yoke 2.10 (2540) 325 402 23.69 Stop time 22.89 12.51 45.35 Down time 9.54 7.19 24.63 50.82

32

(2537) 0.25 0.18 28 4.77 3.32 30.40