VISIT KANGPING SUPPLIER REPORT
MOTOR KANGPING VN: 742307004
Date: May.18.2023
Prepare: Felix
GENERAL CONTENT
OVERALL INFORMATION
1
4
5/23/2023
2
PRODUCT OVERVIEW
3
PROCESS OVERVIEW
IMPROVEMENT POINT FOR BUILD EB SAMPLE
NPI @ Techtronic Industries Vietnam
2
1. OVERALL INFORMATION
SUPPLIER’S INFORMATION
SUPPLIER NAME: KANGPING VN
ADRESS: 28 Dan Chu Street, VSIP 2 Industrial Park, Hoa Phu Ward, TDM, Binh Duong
COUNTRY: Vietnam
SUPPLIER PERSONEL PARTICIPATING
Ms. Carina
Mr. Henry
Email: carina@chinahighspeed.net
Email: mc-sale@vnkangping.com
VISITORS PERSONEL
Mr. Felix-NPI
Email: synam.ho@ttigroup.com.vn
Mr. Peter
Email: CongHieu.Tran@ttigroup.com.vn
MOTOR INFORMATION
EB Sample Motor 742307004 (Lot May.18th 2023)
© Techtronic Industries Co. Ltd. All rights reserved.
3
2. PRODUCT OVERVIEW
Rotor
5/23/2023
Stator
NPI @ Techtronic Industries Vietnam
Motor
4
3. PROCESS OVERVIEW
Winding
coil
Rotor
Assembly
A01
A02
Coating Glue,
Press commutator
A01
A04
Spot
Welding
A06
A07
A09
A08
Griding
Comutator
Coating glue of
commutator
A03
Cleaning
copple chips
R04
Insert ball
bearing
Insert carbon
brush
Insert the
oil plate
M02
M01
Insert Rotor
into stator
NOTE:
A: Rotor processes
R : Stator processes
M: Motor assembly Process
5/23/2023
A05
Balancing
Magnetization
A02
Insert V Shape &
Magnets
Motor
Assembly
A03
Coating Glue
& drying
Stator
Assembly
Coating glue &
Insert cooling Fan
Functions
check 1
M03
Pre-running
motor
Insert magnetic
ring
M04
Reviting at
back cover
M05
M06
M07
Cheking dim’s
output shaft
NPI @ Techtronic Industries Vietnam
Engraving
output shaft
Load test
M08
No Load
Test
M09
M10
M11
Engraving
date code
5
A01- Insert commutator
Rotor Assembly
Coating Glue,
Press commutator
A01
Winding coil
A02
Spot Welding
A03
Functions
check 1
A04
Coating glue of
commutator
A05
Press commutator
Add glue commutator
Items Check
Process product
Spec
Actual
Result
The commutator
angle
14 ~ 16°
15.64°
Pass
Temperature dry
glue
145±10°C
143 °C
Pass
45~60 minutes
60 minutes
Pass
Coating glue &
Insert cooling Fan
A06
Griding
Comutator
A07
Time dry
A08
Pull out force of
commutator
30Kgf Min
110, 120kgf
Pass
Twist torque of
commutator
1N.m Min
2.93 N.m
Pass
68.2±0.1 mm
68.26 mm
Pass
Rotor
Balancing
Cleaning
copple chips
A09
commutator
inserting dimension
© Techtronic Industries Co. Ltd. All rights reserved.
6
A02- Winding
Rotor Assembly
Coating Glue,
Press commutator
A01
Winding coil
A02
Spot Welding
A03
Tensile winding
Functions
check 1
A04
Coating glue of
commutator
A05
Coating glue &
Insert cooling Fan
A06
Items Check
Griding
Comutator
A07
Rotor
Balancing
A08
Cleaning
copple chips
A09
Winding
Process product
Spec
Actual
Result
Ø0.65*16T
Ø0.65*16T
Pass
Winding tensile
25~30N
21 N
FAIL
Wire deformed
5% max.
4.1, 4.2 %
Pass
Spray test
24V/60S/10mA
24V/60S/10mA
Pass
Resistance bar-bar
0.065~0.076 Ω 0.0660, 0.0688 Ω
Winding
Pass
Spray test
© Techtronic Industries Co. Ltd. All rights reserved.
7
A03- Welding
Rotor Assembly
Coating Glue,
Press commutator
A01
Winding coil
A02
Spot Welding
A03
Functions
check 1
A04
welding
Coating glue of
commutator
A05
Coating glue &
Insert cooling Fan
A06
Griding
Comutator
A07
Rotor
Balancing
A08
Cleaning
copple chips
A09
Process product
Items Check
Spec
Actual
Result
Size of welding rod
0.24~0.30mm
0.28 mm
Pass
Wire diameter
change single coil
20~40%
33%
Pass
Wire diameter
change double coil
20~50%
36 %
Pass
© Techtronic Industries Co. Ltd. All rights reserved.
8
A04- Rotor integration testing
Rotor Assembly
Coating Glue,
Press commutator
A01
Winding coil
A02
Spot Welding
A03
Functions
check 1
A04
Coating glue of
commutator
A05
Coating glue &
Insert cooling Fan
A06
Griding
Comutator
A07
NG master sample
Rotor test
Rotor
Balancing
A08
Cleaning
copple chips
A09
Items Check
Spec
Actual
Result
Resistance bar-bar
0.0508~0.0687Ω
0.0627 Ω
Pass
High voltage test
AC600V/1s/1mA
AC600V/1s/1mA
Max
Wave deformed
Welding resistance
OK test result
Pass
15%
Max/AC600V
8.3 %
Pass
0.05Ω Max
0.015
Pass
© Techtronic Industries Co. Ltd. All rights reserved.
Master sample
9
A05- Coating glue of commutator
Rotor Assembly
Coating Glue,
Press commutator
A01
Winding coil
A02
Spot Welding
A03
Functions
check 1
A04
Coating glue of
commutator
A05
Coating glue &
Insert cooling Fan
Items Check
Spec
Actual
Result
Weight of varnish
1.5~2.0g
1.682 g
Pass
Weight of glue
commutator
1.0~1.4g
1.210 g
Pass
Time bake glue
60 minutes
60 minutes
Pass
Temperature add
varnish
75~95°
82
Pass
100~110°
103
Pass
130~150°
145
Pass
OK test result
A06
Griding
Comutator
A07
Rotor
Balancing
A08
Cleaning
copple chips
NG master sample
Rotor test
A09
Temperature freeze
glue
Temperature dry
glue
© Techtronic Industries Co. Ltd. All rights reserved.
Rotor cut check glue inside -> OK
10
A06- Coating glue & Insert cooling Fan
Rotor Assembly
Coating Glue,
Press commutator
A01
Winding coil
A02
Spot Welding
A03
Functions
check 1
A04
Coating glue of
commutator
A05
Add glue slot
Items Check
Spec
Actual
Result
0.4~0.8g
0.68 g
Pass
Pull out force fan
15Kgf Min
90 Kgf
Pass
Time bake glue
60 minutes
60 minutes
Pass
Length of slot glue
10~14mm
12 mm
Pass
Temperature dry glue
145±10°C
145
Pass
Weight of slot glue
Coating glue &
Insert cooling Fan
Add fan
Add protect fan
A06
Griding
Comutator
A07
Rotor
Balancing
A08
Cleaning
copple chips
A09
© Techtronic Industries Co. Ltd. All rights reserved.
Process sample
11
A07- Grinding commutator
Rotor Assembly
Coating Glue,
Press commutator
A01
Winding coil
A02
Spot Welding
A03
Functions
check 1
A04
Coating glue of
commutator
A05
Coating glue &
Insert cooling Fan
Turning commutator
Process sample
Items Check
Spec
Actual
Result
Roughness of commutator Ra
0.6~1.0um
0.73 um
Pass
Flatness of commutator
5um Max
2.75 um
Pass
Bar to bar
3um Max
1.18 um
Pass
Length of turning
7.0 mm Min
7.32 mm
Pass
Diameter commutator turning
7.4 mm Min
7.52 mm
Pass
A06
Griding
Comutator
A07
Rotor
Balancing
A08
Cleaning
copple chips
A09
© Techtronic Industries Co. Ltd. All rights reserved.
12
A08/A09- Rotor balancing/ Visual check
Rotor Assembly
Coating Glue,
Press commutator
A01
Winding coil
A02
Spot Welding
A03
Functions
check 1
A04
Coating glue of
commutator
A05
Coating glue &
Insert cooling Fan
Griding
Comutator
Rotor
Balancing
Rotor balance
Items Check
Spec
Actual
Result
30mg max
9.1 mm
Pass
Deep cut
0.9mm Max
0.78 mm
Pass
Length of cut
9.6 mm Max
8.6 mm
Pass
By CCD camera
CCD camera
Pass
Unbalance spec
A06
A07
A08
Check visual of rotor
Cleaning
copple chips
Process sample
Visual check
A09
© Techtronic Industries Co. Ltd. All rights reserved.
13
R01- Insert magnet
Stator Assembly
Insert V Shape
& Magnets
A01
Coating Glue
& drying
A02
Insert ball
bearing
A03
Magnetization
R04
Insert magnet
Items Check
The deep of magnet
Inner diameter of magnet
Stator sample
Spec
Actual
Result
17.1±0.5mm
16.96 mm
Pass
Ø25.8mm Min
check 100% by
gauge
Pass
© Techtronic Industries Co. Ltd. All rights reserved.
inner diameter of magnet
14
R02- Add glue magnet
Stator Assembly
Insert V Shape
& Magnets
A01
Coating Glue
& drying
A02
Insert ball
bearing
A03
Magnetization
R04
Add magnet glue
Items Check
Weight of magnet glue
Push force magnet
Temperature dry glue
Time dry glue
Stator sample
Spec
Actual
Result
0.1 ~0.2g
0.134 g
Pass
150Kgf Min
225 Kgf
Pass
145±10°C
143 °C
Pass
45~60 minutes
60 minutes
Pass
© Techtronic Industries Co. Ltd. All rights reserved.
15
R03- Ball bearing press
Stator Assembly
Insert V Shape
& Magnets
A01
Coating Glue
& drying
A02
Stator sample
Add magnet glue & press ball bearing
Insert ball
bearing
A03
Items Check
Magnetization
R04
Spec
Actual
Result
Weight of magnet glue
0.003~0.01g
Coating by hand
Fail
Push force bearing
70Kgf Min
132 Kgf
Pass
55.4±0.1 mm
55.40 mm
Pass
Dimension press bearing
© Techtronic Industries Co. Ltd. All rights reserved.
16
R04- Magnetic flux loading
Stator Assembly
Insert V Shape
& Magnets
A01
Coating Glue
& drying
A02
Insert ball
bearing
Magnetization stator
A03
Items Check
Magnetization
The voltage magnetic
R04
The voltage of magnetization
Center force of magnet
Flux of stator
Spec
Actual
Result
1800V±50V
1850 V
Pass
115±5mT
112 mT
Pass
10.8±0.2 mWb
10.69 mWb
Pass
© Techtronic Industries Co. Ltd. All rights reserved.
17
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
No Load
Test
Load test
M07
M08
M01 - Insert the oil plate
Insert washer intor rotor shaft
Items Check
Commutator site
Visual check
Actual
Result
OK
Pass
1 pcs temple 0.5mm
OK
Pass
55.2mm REF
55.38
Pass
1 pcs oil shield long
4 pcs 0.4mm
Copper ring site
M09
Copper ring site
Engraving
date code
Spec
Commutator site
M10
M11
Length of rotor after
insert washer
© Techtronic Industries Co. Ltd. All rights reserved.
Fixture check
18
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
M02- Insert rotor to stator
Insert sample to fixture
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
M07
No Load
Test
M08
Load test
M09
Engraving
date code
Press machine
Process sample
Items Check
Spec
Actual
Result
The leght of output
shaft
13.2 ±0.5 mm
13.30 mm
Pass
M10
Check out shaft dimension
Visual check
M11
© Techtronic Industries Co. Ltd. All rights reserved.
19
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
M03- Insert Carbon brush
Add base ass’y to motor
M07
No Load
Test
M08
Load test
M09
Engraving
date code
M10
Visual check
M11
Add cover
Station’s requirement:
❖ Insert base ass’y correct position on motor
→ Actual: OK
❖ Insert cover correct position on motor
→ Actual: OK
❖ Check visual of motor
→ Actual: OK
© Techtronic Industries Co. Ltd. All rights reserved.
20
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
No Load
Test
Load test
Engraving
date code
Engraving
output shaft
M07
M08
M04 - Reviting at back cover
Finish goods
Press Machine
Items Check
Number point
reviting
Push force
Spec
Actual
Result
8 points
OK
Pass
50 kfg Min
108 kgf
Pass
42 ±0.15 mm
41.98 mm
Pass
M09
Out side diameter of
motor
M10
Finish goods
M11
© Techtronic Industries Co. Ltd. All rights reserved.
21
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
No Load
Test
Load test
M07
M08
M05 - Insert magnetic ring
Process product
Insert Magnetic Ring
Items Check
Spec
Actual
Result
The leghth of
magnetic ring insert
3.5 mm Min
4.72
Pass
0.5 ±0.1 Mpa
Not shown
Fail
Air Pressure
M09
Engraving
date code
M10
Visual check
M11
© Techtronic Industries Co. Ltd. All rights reserved.
22
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
No Load
Test
Load test
M06 – Cheking dim’s output shaft
Checking;s Fixture
M07
M08
Items Check
Spec
Actual
Result
The height of ouput
shaft
13.2±0.5 mm
13.45 mm
Pass
M09
Engraving
date code
M10
Visual check
M11
© Techtronic Industries Co. Ltd. All rights reserved.
23
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M07 – Pre-running motor
Time setting
Fixture put Motor
Voltage setup
M06
Items Check
Pre-running
motor
M07
No Load
Test
M08
Load test
M09
Voltage running
Engraving
date code
M10
Visual check
M11
Time setting
Direction
Spec
Actual
Result
18.0±0.1V DC
18.09 V
Pass
60s
60s
Pass
CCW
Check by hand
Pass
© Techtronic Industries Co. Ltd. All rights reserved.
24
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
No Load
Test
Load test
Engraving
date code
M08 – No load test
Fixture
Items Check
Spec
Actual
Result
Current running
1.70A MAX
1.29 A
Pass
Voltage running
18±0.1V DC
18.0 V
Pass
17550~21450 rpm
19765 rpm
Pass
10s
10s
Pass
CCW
CCW
Pass
Machine testing
M07
M08
M09
Speed
Time check
M10
Direction
Visaul check
Check direction by hand
M11
© Techtronic Industries Co. Ltd. All rights reserved.
25
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
No Load
Test
M09 – Load test
Items Check
Spec
Actual
Result
Current running
12.5A MAX
8.9 A
Pass
Voltage running
18±0.1V DC
18.0 V
Pass
17000±10％RPM
19165 rpm
Pass
6s
6s
Pass
CCW
CCW
Pass
M07
M08
Load test
M09
Engraving
date code
M10
Speed
Time check
Direction
Visaul check
Machine testing
Check direction by hand
M11
© Techtronic Industries Co. Ltd. All rights reserved.
26
Motor Assembly
Insert the
oil plate
M01
Insert Rotor
into stator
M02
Insert carbon
brush
M03
Reviting at
back cover
M04
Insert
magnetic ring
M05
Cheking dim’s
output shaft
M06
Pre-running
motor
No Load
Test
Load test
M07
M10/ M11 - Motor engraving, Visual check
Station’s requirement:
❖ Part no for engraving
M08
M09
Engraving
date code
M10
Visual
check
M11
Motor sample engraving
Motor engraving
742307004 01
RS655PM6516F
18VDC
KPVN xxxxxx
→ Actual: OK
❖ Check visual of motor
→ Actual: OK
© Techtronic Industries Co. Ltd. All rights reserved.
27
4. IMPROVEMENT POINT FOR BUILD EB SAMPLE
© Techtronic Industries Co. Ltd. All rights reserved.
28
5/23/2023
NPI @ Techtronic Industries Vietnam
29