14.
QM Matrix
Model : TYRE, 130/80R12 Ultima XPC
Component Name/ No. : AH131148 Mod. : DATE: 07 /Apr /23 .
4M & T
condition
Cause of Criteria/ Checking
Process Characteristics Control Item Abnormality Freq. Action Resp
Machine
Method
abnormality specification method
Matl
Tool
Man
NO
NON-SKID Tire Periodical NSD less than Mold Wear Depth Tire Test
<CC> X 7.4 ±0.3 mm 1/Year ABNORMALITY
DEPTH (NSD) Checks Spec Out Gauge Centre
YET
TREAD WEAR NO
Tire Periodical TWI more than Mold Design Vernier Tire Test
INDICATOR <CC> X +0.6-0.0 mm 1/Year ABNORMALITY
Checks Spec. Problem Callipers Centre
(TWI) YET
NO. OF
TWI Nos. NO Product
TREAD WEAR Tire Periodical Mold Design Mold
<SC> X more/less than 6 Visual ABNORMALITY Development
INDICATOR Checks Problem Release
Spec. YET Centre
(TWI)
Green Tire
TYRE OUTER 518.0 ±3.0 NO
Green Tire Circumference Set-up Measuring Each Set-up
DIAMETER <SC> X mm at 500 ABNORMALITY
Circumference more than Problem Tape Set-up Approver
(mm) kPa YET
Spec.
TYRE Low/High Bead 128.0 ±3.0 NO
Green Tire Bead- Measuring Each Set-up
SECTION <SC> X to Bead Bead Setter mm at 500 ABNORMALITY
Bead distance Tape Set-up Approver
WIDTH (mm) Distance kPa YET
TREAD ARC TAW NO
Tire Periodical Mold Design Vernier Tire Test
WIDTH (TAW) <SC> X more/less than 99.0 ±3.0 mm 1/Year ABNORMALITY
Checks Problem Callipers Centre
(mm) Spec. YET
Max. 7.5 @ NO
Tire Periodical RRC more than Compound G' RRC Tire Test
RRc (N/kN) <SC> X 600 kg & 500 1/Year ABNORMALITY
Checks Spec. delta high Machine Centre
kPa YET
YELLOW
Balancing Tread/Sidewa NO
POINT 100% Balancing Balancing Quality
<SC> X Value more ll Profile NOT < 1200 g.cm 100% ABNORMALITY
BALANCING Checks Machine Assurance
than Spec OK YET
MARK
RED POINT Uniformity Tread/Sidewa NO
100% Uniformity Uniformity Quality
UNIFORMITY <SC> X Value more ll Profile NOT < 10 Kgf 100% ABNORMALITY
Checks Machine Assurance
MARK than Spec OK YET
Sashank G
Development Engineer ( Vendor ) Development Engineer ( BAL )