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การเพิ่มผลผลิตด้วยระบบอัตโนมัติแบบลีน (LEAN Automation) Part 1

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Published by anont, 2021-12-23 14:16:03

การเพิ่มผลผลิตด้วยระบบอัตโนมัติแบบลีน (LEAN Automation) Part 1

การเพิ่มผลผลิตด้วยระบบอัตโนมัติแบบลีน (LEAN Automation) Part 1

Keywords: LEAN1

on

: 67,600 Pcs /Month
: 20 Days
tity: 3,380 Pcs /Day
:2 Shift
me : 28,800 Sec /Shift

.?

= 1,690 Pcs/Shift

rsons/Shift , No. Overtime

16/58

3-1. Planning conditio

2 PQ Analysis table

PQ Analysis Table

Monthly Required
Model Number 月産計画
PQ

モデル 品番 20 必要台数

Days (Pcs/Shift)

EV 0001 60,000 1,500

Pickup 0002 7,600 190

Total 1,690

Calculate the Takt Tim

for the Pla

on

Ratio

比率

500 1,000 1,500 (%)

88.5 %

11.5 %

100 %

me : T.T (Target C.T)

anning Goal

17/58

3-1. Planning conditio

3 Takt Time (T.T)
Takt Time :T.T (Target C

…Customer speed tha

Total Working hour (
Total Required pr

Q: Calculate the Takt Time : T.T

Takt Time: T.T =
(Target C.T) =

on

C.T)
at need 1 pcs Product

(Excluding rest time)
roduction quantity
T (Target C.T) ?

28,800 Sec/Shift

1,690 Pcs/Shift

17.0 Sec/Pcs

18/58

3-2. Analyze current c

(Pract

Outline of Manua
for LASI S

Industry
: Automobile manufacture

Product EV 0001

(Electronic Vehicl

condition

tice)

al Assembly Line
Showcase

le)

19/58

3-2. Analyze current co

1. Net Time (1 Cycle A

◆Bill of Process Ro

Rear Base

Tire 01 Rear Assembly

02 Tire Assembly

03 Tire Press Fitting (M.T 5 Sec)
Frame 04 (Auto Machine)

Visually Check (4 sec.)
(Incorrect parts, Missing par

Front 05 Frame Assembly

06 Front Assembly

ondition (Practice)

Analysis)

EV 0001
(Electronic Vehicle)

oof

07 Roof Assembly

08 Visually Check (4 Sec)
(Incorrect parts , Missing parts)

09 Performance Engine Check (M.T 5 Sec)
(Auto Machine)

rts) 10 Tire Press Fitting Dimension Check
(Manual Gauge) (8 Sec.)

11 Frame Fitting Dimension Check
(Manual Gauge)

12 Visually Check (3 Sec) 20/58
(Appearance Check)

13 Packing

(Practi
Trial of Assembly (R

Assembly 1 Car (by 1 pe

Net time - Production Req

Regular operatio

XXX sec.

EV 0001
(Electronic Veh

Q: Production

(Answer)=

ice)

Ref. Bill of Process)
erson)

quirement 1,690 Pcs/ Shift.

onal time 8 hr. (28,800 sec./Shift)

28,800 Sec.
Net time Sec.

hicle)

n Capacity/Shift ?

Pcs/Shift

21/58

3-2. Analyze current co

2. Compare Manpowe

Difference of Actual an

- No of Operator : 3 Pers
- Takt Time 17.0 Sec./Pcs.

Net time Sec.

T.T Sec.

(Answer)

Find Loss from man power usage difference

ondition

er
nd Theoretical Manpower

sons/Shift , No. Overtime

= 17.0 Sec.
Sec.

= Manpower

= Manpower

22/58

3-2. Analyze current co

3. Compare C.T,T.T
- No of Operator : 3 Pers

- Takt Time 17.0 Sec./Pcs.
(sec)
M

(sec)

OP1

ondition

sons/Shift , No. Overtime

Making Yamazumi Chart
(for 3 operators)

Kaizen

T.T 17.0

sec /pcs

OP2 OP3 (Oper.)

23/58

3-3. Considering Kaize

1. Time Analysis for 1

2. Making Graph Yama

(sec) ①+② : Average 1 Cycle t

MAX

Fluctuation

② (Max.- Min.)

MIN

② C.T

+ ① (Min

① 1 Cycle)

Tim

en Point

cycle work

(5 cycles Each associate)

aZumi Chart

by Result of time study
time (sec/pcs)

1st Practice

Making Yamazumi Chart
(for 3 operators)

me limit 20 mins

24/58

3-3. Considering Kaize
1. Time Analysis for 1

(

en Point
1 cycle work

(5 cycles each associate)

3-3. Considering Kaiz

2. Making Graph Yama

Result & Summary of issu

Cycle time Sec. Sec
Flu. time Se
Sec.
(sec)
OO sec
XX sec

** sec ** sec

OP1 O

zen Point

aZumi Chart

by Result of time study

ues

MAX: OO sec

c. Sec.

AVE: XX sec

ec. Sec. MIN: ** sec

OO sec OO sec
XX sec XX sec

T.T 17.0

sec /pcs

** sec

OP2 (Oper.)

OP3

26/58

Section: LASI Production 1 A

所属: LASI 生産1

Parts No. ‘0001 EV Standardized Work
Description 電気自動車 Combination Table

Process Automobile Assembling 標準作業組合せ票
自動車組立

Automobile Manual Assembling Data 11th May 2018

1課 自動車手組ライン 作 成 2018 年 5月 11日

Needed Units 1,695 Manual (H.T) Approved Checked Written
直当り必要数 Units Auto (M.T)
Walk (W.T) Kojima Ota Abe
Tact Time 17.0
タクトタイム Sec

27/58

Section: LASI Production 1 A

所属: LASI 生産1

Parts No. ‘0001 EV Standardized Work
Description 電気自動車 Combination Table

Process Automobile Assembling 標準作業組合せ票
自動車組立

Automobile Manual Assembling Data 11th May 2018

1課 自動車手組ライン 作 成 2018 年 5月 11日

Needed Units 1,695 Manual (H.T) Approved Checked Written
直当り必要数 Units Auto (M.T)
Walk (W.T) Kojima Ota Abe
Tact Time 17.0
タクトタイム Sec

28/58

3-3. Standardized Wor

標準作業組み合わせ票

Section: LASI Production 1

所属: LASI 生産

Parts No. ‘0001 EV Standardized Work
Description 電気自動車 Combination Table

Process Automobile Assembling 標準作業組合せ票
自動車組立

Sequence Elemental Work Time
H.T M.T W
作業名

秒秒

1 Rear Assembly (1pc) for Base 4.3

ベースにリア(1個) 組付

Tire Assembly (4pcs) for Base

2 6.5

ベースにタイヤ(4個) 組付

Set work for Tire Press Fitting

3 Machine & SWON 3.5 5.0

タイヤ圧入機にワーク脱着、SWON 1

Working hour per Shift(Sec.) Total 14.3 1
Takt Time (T.T)=
Total
Required Units Per Shift Man-hour

28,800(秒) (正味工数)
タクトタイム(T.T) =

直当り必要数

rk Combination Table

Automobile Manual Assembling Data 11th May 2018

産1課 自動車手組ライン 作 成 2018 年 5月 11日

Needed Units 1,695 Manual (H.T) Approved Checked Written
直当り必要数 Units Auto (M.T)
Walk (W.T) Kojima Ota Abe
Tact Time 17.0
タクトタイム Sec

Working Time 作業時間

W.T 5” 10” 15” 20” 25” 30” 35”





1.5 T.T 17.0”

Waiting (Takt Time : Written in red line)
(Cycle Time : Written in blue line)
1.5 Time (T.T時間を赤線で記入)
(実行タクトタイム時間を青線で記入)
手待ち
29/58
15.8 1.2

Sec Sec

3-3. Standardized Wor

標準作業組み合わせ票

Section: LASI Production 1

Parts No. Is the op所属e: ration timeLASI 生産
Description of 1 cycle shorter/‘0001 EV

Process 電気自動車
Automobile Assembling
Sequence Standardized Work
Combination Table

自動車組立 標準作業組合せ票

歩行El時em間en含talむW作or業k 時間がタクトタTimイeム

作業名 H.T M.T W

秒秒

1 RIesar Atshseembolyp(1epcr)afotr oBarsew4a.3itin
ベースにリア(1個) 組付

2 fToirerAsベmsーeスmMaにbタTclyイにhヤ((4対i4pn個cしs)e、)組f-待付oprちBrがaos無ecいe6.かs5 sin

Set work for Tire Press Fitting

3 Machine & SWON 3.5 5.0

タイヤ圧入機にワーク脱着、SWON 1

Working hour per Shift(Sec.) Total 14.3 1
Takt Time (T.T)=
Total
Required Units Per Shift Man-hour

28,800(秒) (正味工数)
タクトタイム(T.T) =

直当り必要数

rk Combination Table

Automobile Manual Assembling Data 11th May 2018

産e1(課i自n動車c手l組.ライwン alking time)作 成 2018 年 5月 11日
Needed Units 1,695 Manual (H.T) Approved Checked Written

直当り必要数 Kojima Ota Abe

/longer than TT?Tact Time
タクトタイム Units Auto (M.T)
17.0 Walk (W.T)

Sec

ムに対し、手待ち・超WoえrkiるngこTとimがe 無作業い時間か

W.T 5” 10” 15” 20” 25” 30” 35”



ng ⇔

ng?

1.5 T.T 17.0”

Waiting (Takt Time : Written in red line)
(Cycle Time : Written in blue line)
1.5 Time (T.T時間を赤線で記入)
(実行タクトタイム時間を青線で記入)
手待ち
30/58
15.8 1.2

Sec Sec

3.3. Standardized Wor

標準作業組み合わせ票

3 Operatorrd
Section: LASI Production 1

所属: LASI 生産
(Before)‘0001 EV
Parts No. 電気自動車 Standardized Work
Description
Automobile Assembling Combination Table
Process
自動車組立 標準作業組合せ票

Sequence Elemental Work Time
H.T M.T W
作業名

秒秒

1 Pick up standard WIP, Tire Press
Fitting Dimension Check (2 times) 8.0

2 Frame Fitting Dimension Check 4..0
(1 time)

3 Appearance Check & Packing 4.0

Working hour per Shift(Sec.) Total 16.0
Takt Time (T.T)=
Total
Required Units Per Shift
Man-hour 16.0
28,800(秒)
タクトタイム(T.T) = (正味工数)

直当り必要数

rk Combination Table

Automobile Manual Assembling Data 11th May 2018

産1課 自動車手組ライン 作 成 2018 年 5月 11日

Needed Units 1,695 Manual (H.T) Approved Checked Written
直当り必要数 Units Auto (M.T)
Walk (W.T) Kojima Ota Abe
Tact Time 17.0
タクトタイム Sec

Working Time 作業時間

W.T 5” 10” 15” 20” 25” 30” 35”



Waiting T.T 17.0”
Time
手待ち (Takt Time : Written in red line)
(Cycle Time : Written in blue line)
Sec Sec (T.T時間を赤線で記入)
(実行タクトタイム時間を青線で記入)

31 31/58

Points to kee
(Proce

ep in mind
ess Design)

4. Points to keep in mi

1 【Standardized W

The Standardized Wor
you an efficient work p
repetitive work.

*The procedure of Hu

標準作業は繰り返しの作業を対象
人の動きを中心に あらわしたもの

ind 工程設計時の留意点

Work】 標準作業

rk is a rule that tells
procedure of the

uman-motion mainly.

象とし、作業のルールを
の。

33/58

4. Points to keep in mi

【Standardized Work】

3 Elements of ③
Stan
Standardized Work
Drillin
標準作業の三要素
DR38
Takt Time

タクトタイム รู้จงั หวะลกู คา้

Operation มีวธิ ีทาํ งานทีดีทีทุกคนทาํ
เหมือนกนั
Sequence
作業順序

WStIaPn*da標準r手d持ちสเพาือยใกหารไ้ ผมล่มิตี waiting เกิดใน

*Work In Process

手持ち

ind 工程設計時の留意点

標準作業

【Standardized Work】

③ Grinding ②
ndard Operation
LA253 Sequence
WIP

ng
① Raw
83 ③ Material

④ ⑤ ⑥ Finished
Goods
Washing Inspection
Process
SC110

Takt Time T.T 35 sec/pcs

34/58

4. Points to keep in mi
Three Elements of Sta

標準作業の三要素

① Takt Time (T.T)
The time which shoul
Taken to produce one

製品1個または部品1個を何秒で造らねばならないかという時間

Total Working hour

日当り稼働時間

Total Required pro

日当り必要

ind 工程設計時の留意点
andardized Work

ld be
e part/Product

(Excluding rest time)

間(定時)

oduction quantity

要数

35/58

4. Points to keep in mi
・Takt Time (T.T) タクトタイム

Meaning

(Ex.) Grinding T.T
35 Sec/
LA253





Drilling ① Raw
Mate
DR383
③ Finish
● Good

⑤ ⑥
Washing
Inspection
SC110 Process



Guideline to allocat

仕事量を正しく与える為の目安

ind 工程設計時の留意点

g for Takt Time : 35 sec

T Provide 35 sec.
/Pcs of work for each

w operator
erial
作業者1人1人に35秒づつの仕事を与える。
hed
ds

te proper work Volume

36/58

4. Points to keep in mi
 Operation Sequence

Grinding

LA253





Drilling ③

DR383 ④

● Washing

SC110 ⑤

● Inspectio
Process

The most efficient pr
good products for op

ind 工程設計時の留意点

作業順序

②Operation
Sequence

① Raw
Material

⑥ Finished
Goods

T.T 35 sec /pcs
on

rocedure to produce
perator 作業者が一番効率的に良品の生産ができる順序

37/58

4. Points to keep in mi
Standard WIP 標準手持ち

③Standard Auto - Grinding
WIP Processing
Machine LA253

Standard ●

* WIP 3 pcs ②

Drilling

Auto - DR383 ③
Processing
●Machine ④

Auto - Washing ⑤
Processing
Machine SC110 Inspectio
Process


Minimum required work
Work continuously in pro

ind 工程設計時の留意点

1. Work in Auto-Machine

自動加工の設備上ワーク

2. Work between operators

(exc. Materials/Finished goods)

作業者間の手持ち(素材・完成品は含まない)

① Raw
Material

⑥ Finished
Goods
T.T 35 sec /pcs
on

to keep Standardized
ocess 繰返し作業を行う為に必要な最小限の仕掛品

38/58

In case of Without Standard

① Work pieces betw

If operators is starting work

もし作業者が同時に作業を開始しようとすると

Without Standard WIP

標準手持ちがない場合

前工程 後工程

Occurring Waiting time

手待ちが発生する

WIP 標準手持ちが無かったら・・・

ween Operators 作業者間の手持ち
king at the same time

With Standard WIP

標準手持ちが有る場合

前工程 後工程

No Waiting time

作業開始から作業ができる

39/58

In case of Without Standard
② Work pieces to keep in Aut

自動加工設備上のワーク (手持ち)

Without Standard WIP

標準手持ちがない場合

Set up
S/W ON

Waiting

Pick-up

Occurring Waiting time

For each cycle 毎サイクル加工待ち発生

Occurring Waiting time
(we can not keep

繰り返し作業ができず、

WIP 標準手持ちが無かったら・・・
to-processing machine

With Standard WIP

標準手持ちが有る場合

Pick up
&

Set up
S/W ON

Smoothly operation

Without waiting time

手待ち無く作業が出来る

due to no Standard WIP
continuous work)

、手待ちのムダが発生する

40/58

Part. 3
How to Kaiz
Manual Ass


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