SEG NCU-Arnab marik

Click here to load reader

  • date post

    11-Feb-2017
  • Category

    Documents

  • view

    108
  • download

    4

Embed Size (px)

Transcript of SEG NCU-Arnab marik

BOD Master TemplateREV: 0/0
1
2
3
REF
50% reduction in SEG NCU rejection (from 17 % to 8.5%)
1
2
PROJECT PLAN
TEAM SELECTION
&L&F ... &A&RPRINTED ON: &D
Slide
Objective
1
Cause and Effect Diagram
3
IR Chart
4
5
D
M
A
I
C
Slide
(from 17% to 8.5%)
(from 15.5% to 8%)
KPI target details : Base Period – Sept’14 to Mar’15
KPI value- Rs.6 L
D
M
A
I
C
Slide
M/C qualification
G/W radius
Excess Grease in Wire
MAN
Heading Defect.
Diamond Set Up and Pressure Head set up at SEG.
Empty Disc.
Conflict in the understanding of Max passable rollers
between off-line inspectors and roller inspectors.
D
M
A
I
C
Slide
Off Centre at Header resulting in NCU after Grind
D
M
A
I
C
Slide
Alignment problem or off centre between head punch and FOP.
Punch rocker getting loose resulting in off centre.
As per drg.
this dia is
Green Roller Length = 25.817, Tolerance : +0.05/-0.153
Finish Roller Length = 25.692, Tolerance : +0.102/-0.254
Recess Depth = 0.41 to 0.51
After heading
Imported Hard Stock have recess depth of 510 – 550 microns.
Rollers headed in-house have recess depth between 410 – 430 microns.
COMPARATIVE STUDY OF RECESS DEPTH
D
M
A
I
C
Slide
Tests
D
M
A
I
C
Slide
Tests
Tests
New FOP ordered.
Same repaired
Ordered for all part nos.
Implemented.
2.
Control size at Constant stock within +/- 10 mics.
Use roller reject gate after constant stock
Implemented
4.
Lack of knowledge on max passable limit
Training to be provided to off line and roller inspectors on max passable limit
Conducted by Naresh. Kappa study to be done.
Slide
Check for correct head punch recess depth
Incoming inspection of head punches and approval to run
Replace the head punch
Visual - Double recess
Visual
Double recess or non-uniform thickness of SEG face
Stop the machine and proper alignment to be done. If required, maintenance team to be involved
Operator / Maintenance
C/S grinding
Size and Taper
Master. Taper should be between 0 to -7 microns. Size should be between +5 to -10 microns.
Operator / PE
On line gauging and keeing the reject gate open
Correct the size and taper by dressing the regulating wheel or by adjusting the blade ht.
Operater / PE
SEG grinding
Disc pressure
Operator / PE
Manual
Naresh Behara
Display of max passable limits on the shop floor
Lack of concurrence within the offline and roller inspector
Training
Naresh
Sheet2
Sheet3
Slide
50% reduction in SEG NCU rejection (from 17 % to 8.5%)
PROJECT SCOPE
Operation or Process
pcs
pcs
should be
pcs
up manual
up
ManualImproper
1
2
3
4
5
6
7
8
9
10
11
12
Sample
Control Chart