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Break Through Kaizen (Drilling & Tapping)
By: Mr Suchit SinghIndustrial Engineer (IIT
Roorkee)
BEFORE AFTER
Modification / Improvement : Two different Tools got replaced by Single Drill cum Tap Tool
Modification Benefits : M/C time reduced by 11.67 min./Shift & Tool Cost reduced by 20.15 %
Drill Dia. 5 &Tap M6*1.0 Used Separately
Drill & Tap together in Process
KAIZEN: DRILL CUM TAP
GAP OBSERVED
NVA VA(6 Sec) (3.5 Sec)
Tool Change, Rapid Motion & Go to Home Position Drilling & Tapping
BASIC TOOL STRUCTURE
Cutting Edge
Shank
Body
To Remove the Material
To Transmit Force, Torque & Motion
To hold the Tool
Feature FunctionTool
TOOL COMBINATION STRUCTURE
DRILLTAP
Process Parameters
Drill cum Tap M6*1.0
Drilling
S = 1500 RPMF = 350 mm/min.
Tapping
S = 1000 RPMF = 1.0 mm/rev.
Cutting Length7.6 mm/Job
RESULTS : GAIN TO COMPANY
BEFORE AFTER172173174175176177178179180181182
181
175
BEFORE AFTER138
139
140
141
142
143
144
145
140
144
M/C Cycle Time M/C Capacity
Cycl
e Ti
me
(in S
ec)
No.
of J
obs/
Shift
GOLDEN POINTS
One time one Process(OTOP Approach)
Wide Range for Horizontal Deployment
Thank you!
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