**Somfy Heavy Duty End Cap Shaft – Product Description**
The **Somfy Heavy Duty End Cap Shaft** is a **reinforced, all-in-one solution** designed for **commercial roller shade systems**, combining a **robust end cap** with an **integrated steel shaft** to handle **high-load applications** with reliability.
### **Key Features:**
- **Industrial-Grade Construction:**
- **Precision-machined steel shaft** (12mm or 14mm options)
- **3mm thick end cap** for maximum durability
- **High-Load Capacity:**
- Supports **up to 40kg dynamic loads**
- Reinforced design for **high-torque motors**
- **Smooth Operation:**
- **Sealed ball bearing** (optional) for frictionless rotation
- **Pre-lubricated** for maintenance-free performance
- **Universal Compatibility:**
- Fits **2.5"–3.25" commercial roller tubes**
- Works with **Somfy LT/Ilmo motors**
- **Easy Installation:**
- **Bolt-on or press-fit options**
- Includes **pre-drilled mounting holes**
### **Technical Specifications:**
- **Material:** Galvanized steel (shaft) + powder-coated steel (end cap)
- **Shaft Diameter:** 12mm or 14mm (±0.02mm tolerance)
- **Load Capacity:** 30kg (dynamic) / 50kg (static)
- **Temperature Range:** -40°F to 250°F (-40°C to 121°C)
### **Ideal For:**
✔ **Commercial buildings**
✔ **Heavy fabric roller shades**
✔ **High-traffic environments**
### **Package Includes:**
- (1) Heavy Duty End Cap Shaft
- Mounting hardware
- Installation guide
**Note:** Professional installation recommended for loads >25kg.
**Upgrade to industrial-strength performance with Somfy’s heavy-duty end cap shaft!**
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*For outdoor use, apply corrosion protection annually.*
### **Somfy Heavy Duty End Cap Shaft – Technical Specifications**
#### **General Specifications**
- **Product Type:** Integrated end cap and shaft assembly
- **Model Options:**
- **12mm shaft diameter** (P/N HD-EC12)
- **14mm shaft diameter** (P/N HD-EC14)
- **Material:**
- Shaft: Case-hardened 4140 alloy steel
- End cap: 3mm galvanized steel
- **Surface Treatment:**
- Shaft: Black oxide finish
- End cap: Powder coat (RAL 9005)
#### **Dimensional Specifications**
- **Shaft Length:** 35mm (exposed)
- **Shaft Tolerance:** h6 (-0/-0.013mm)
- **End Cap Dimensions:**
- OD: 60mm
- ID: Matches 2.5"/3.25" tubes
- Depth: 40mm
#### **Mechanical Performance**
- **Load Ratings:**
- Dynamic: 40kg
- Static: 60kg
- Impact: 100kg (momentary)
- **Torque Capacity:** 25Nm
- **Runout Tolerance:** <0.05mm TIR
#### **Bearing Options**
- **Standard:** Oil-impregnated bronze bushing
- **Premium:** Sealed ball bearing (ABEC-3)
- **Lubrication:** Lifetime grease (Mobilith SHC 100)
#### **Material Properties**
- **Shaft Hardness:** 58-62 HRC (case depth 0.8mm)
- **Tensile Strength:** 950MPa
- **Corrosion Resistance:** 2000hr salt spray
#### **Installation Specifications**
- **Mounting:**
- 4x M8 threaded holes
- 70mm bolt circle
- **Press Fit:**
- Interference: 0.03-0.07mm
- Installation force: 200-500N
#### **Environmental Ratings**
- **Temperature Range:** -50°C to +150°C
- **IP Rating:** IP55 (with bearing option)
- **Vibration:** 10G @ 10-500Hz
#### **Certifications**
- **Standards:** EN 13561, ISO 9001
- **Safety Factor:** 5:1 at rated load
- **Warranty:** 10-year limited
#### **Included Components**
- (1) End cap shaft assembly
- (4) M8x25 flange bolts
- (1) Alignment tool
- Installation manual
**Maintenance Schedule:**
- Annual inspection for:
- Shaft wear (>0.1mm)
- Bearing play (>0.3mm)
- Relubrication interval: 50,000 cycles
**Engineered for continuous commercial operation in demanding environments.**
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*Note: For seismic zones, verify local structural requirements. Not for marine environments without additional protection.*
