| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. ELASTOMER BEARING PHYSICAL TESTS | |||
| A1 | Elastomer hardness measurement Acceptance: Durometer hardness 50–70 Shore A; measured at multiple points on bearing | Cl. 8.4 — Elastomer properties verified | OK NC NA HOLD |
| A2 | Visual inspection for defects Acceptance: No cracks, tears, or delamination; surface clean; no staining or contamination | Cl. 8.4 — No cracks or damage | OK NC NA HOLD |
| A3 | Elastomer thickness and dimensions Acceptance: Thickness measured at 4 corners; within ±5 mm of design; uniform distribution | Cl. 8.4 — Dimensions per design | OK NC NA HOLD |
| A4 | Steel plate bonding quality Acceptance: Steel plates bonded to elastomer; no separation or bubbles; edges sealed | Cl. 8.4 — Plates well bonded | OK NC NA HOLD |
| B. BEARING COMPRESSION AND SHEAR TEST | |||
| B1 | Vertical load application and compression Acceptance: Applied load = design load; compression measured; compression modulus within ±10% of design | Cl. 8.4 — Bearing compression behavior | OK NC NA HOLD |
| B2 | Lateral (shear) displacement test Acceptance: Lateral displacement ≤ 10% under design shear; recovery immediate; no creep | Cl. 8.4 — Shear stiffness verified | OK NC NA HOLD |
| B3 | Rotation capability test Acceptance: Rotation ≤ design rotation angle; no cracking; elastic recovery complete | Cl. 8.4 — Bearing accommodates rotation | OK NC NA HOLD |
| C. POT BEARING SPECIFIC TESTS | |||
| C1 | Piston seal and sliding surface condition Acceptance: Seal undamaged; surface smooth and free of corrosion; no leakage | Cl. 8.4 — Seal intact and sliding surface clean | OK NC NA HOLD |
| C2 | Pot bearing load transmission Acceptance: Vertical load ≤ design capacity; no permanent deformation; piston moves freely | Cl. 8.4 — Load transferred smoothly | OK NC NA HOLD |
| C3 | Lateral movement and friction Acceptance: Lateral movement smooth; friction force within design; no sticking or jerking | Cl. 8.4 — Lateral movement controlled | OK NC NA HOLD |