ATLAS COPCO 3115029701 Spacer Shim for COP 1838 & COP 1638 Drill Rigs | Precision Alignment Kit
OEM ATLAS COPCO Spacer Shim (3115029701) for COP 1838/1638. 17-4PH stainless steel, ±0.003mm tolerance. Precision alignment solution for bearing and gearbox assemblies.
Critical Dimensional Calibration Component
Genuine ATLAS COPCO Spacer Shim (Part# 3115029701) enables micron-level alignment of COP 1838/1638 drill components. This ground-finished shim compensates for wear in bearing housings and gearboxes, restoring OEM tolerances in high-vibration mining environments.
Technical Specifications:
- ⚙️ Material: Hardened 17-4PH stainless steel (H1150 condition)
- 📏 Thickness Range: 0.10mm to 1.50mm (±0.003mm tolerance)
- 🔍 Surface Finish: 0.8μm Ra (precision ground)
- 🧪 Corrosion Resistance: ASTM A967 Passivation Level III
- 📐 Standard Sizes: 50×75mm (Rectangular) / Ø42×Ø60mm (Annular)
Core Applications:
✔️ Rotary head bearing preload adjustment
✔️ Feed chain tensioner alignment
✔️ Gearbox input shaft shimming
✔️ Hydraulic motor mounting gap compensation
Warning:
⚠️ Stacking >3 shims causes stress concentration with 37% reduced fatigue life (per ISO 12107)
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