ATLAS COPCO 3115504501 Drill Tail Guide Sleeve for COP 1838HD | Rod Alignment System
OEM ATLAS COPCO Drill Tail Guide Sleeve (3115504501) for COP 1838HD. Boron-alloy steel with hard chrome plating, 89.5mm precision bore. Reduces drill rod deflection and thread wear.
Precision Drill Steel Guidance Component
Genuine ATLAS COPCO Tail Guide Sleeve (Part# 3115504501) ensures accurate drill rod alignment on COP 1838HD rigs. This hardened wear component prevents lateral deflection during drilling operations, extending rod life in surface mining applications.
Technical Specifications:
- ⚙️ Material: Boron-alloy steel with 350-400 HV hard chrome plating
- 🔧 Internal Diameter: 89.5mm ±0.05mm (3.52″)
- ⛓️ Runout Tolerance: ≤0.1mm at full rod extension
- 🛡️ Abrasion Resistance: 3x standard carbon steel (ASTM G65 test)
- 🧰 Mounting: Press-fit replacement with 0.05-0.08mm interference
Critical Functions:
✔️ Absorbs radial drilling loads
✔️ Prevents rod whip at >500 RPM
✔️ Reduces collar thread wear by 70%
✔️ Integrated lubrication channels
Wear Limit Warning:
⚠️ Sleeves with >0.8mm ID increase cause rod oscillation exceeding ISO 17900-4 safety limits
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