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Double split shaft collars are essential mechanical components widely used in industrial, automotive, and manufacturing sectors to secure parts onto shafts, axles, or rods. Unlike single split collars, the double split design offers enhanced grip, adjustability, and reliability, making them ideal for high-torque and vibration-prone environments. Our double split shaft collars are engineered with precision, utilizing premium materials and advanced manufacturing techniques to ensure durability, ease of installation, and long-term performance. Whether for machinery, robotics, or conveyor systems, these collars provide a secure hold without damaging the shaft surface, thanks to their split construction that allows for easy positioning and removal.
Our double split shaft collars come in a range of sizes and specifications to meet different operational needs. Below is a comprehensive table outlining the key parameters for each variant.
| Parameter | Stainless Steel Series | Carbon Steel Series | Aluminum Series |
|---|---|---|---|
| Material Grade | 304 or 316 Stainless Steel | 1018 or 1045 Carbon Steel | 6061-T6 Aluminum |
| Shaft Diameter Range | 1/4" to 3" | 1/4" to 4" | 1/4" to 2" |
| Clamp Screw Type | Stainless Steel Socket Set Screws | Black Oxide Socket Set Screws | Stainless Steel Socket Set Screws |
| Load Capacity | Up to 500 lbs axial load | Up to 700 lbs axial load | Up to 300 lbs axial load |
| Temperature Range | -40°F to 1000°F | -20°F to 400°F | -60°F to 400°F |
| Finish | Passivated or Polished | Zinc Plated or Black Oxide | Anodized (Clear or Black) |
| Standards Compliance | ASTM A276, RoHS Compliant | ASTM A29, ISO 9001 | ASTM B221, MIL Specs |
These collars are versatile components used in numerous applications where secure shaft positioning is critical. Common uses include:
What is a double split shaft collar, and how does it differ from a single split collar?
A double split shaft collar has two splits or cuts in its design, allowing for more even distribution of clamping force and better grip on the shaft. This reduces the chance of deformation and provides higher torque resistance compared to single split collars, which have only one split and might not hold as securely under heavy vibrations or loads.
How do I install a double split shaft collar properly?
To install, slide the collar onto the shaft to the desired position. Align the splits evenly around the shaft, then tighten the clamp screws gradually and alternately in a crisscross pattern to ensure uniform pressure. Use a torque wrench if specified (e.g., 10-15 in-lbs for most sizes) to avoid over-tightening, which could strip the screws or damage the collar.
What materials are best for corrosive environments?
For corrosive environments, such as marine or chemical processing, stainless steel (especially 316 grade) double split shaft collars are recommended due to their excellent resistance to rust and chemicals. Aluminum collars with anodized finishes are also a good choice for lighter duty applications where weight is a concern.
Can double split shaft collars be reused?
Yes, they are designed for reuse. Simply loosen the clamp screws, reposition or remove the collar, and retighten. However, inspect for wear or damage each time, such as stripped threads or deformation, to ensure continued performance. Avoid repeated over-tightening, as it may reduce the collar's effectiveness over time.
What size double split shaft collar do I need for my application?
Measure the outer diameter of your shaft accurately using calipers, and select a collar with an inner diameter that matches exactly. Our product range includes sizes from 1/4 inch to 4 inches. Consider the load requirements; for heavier loads, choose carbon steel or larger sizes, while aluminum is suitable for lighter loads.
Are there any maintenance tips for double split shaft collars?
Regularly check for loosening due to vibrations, and retighten screws as needed. Clean the collar and shaft surface to prevent dirt buildup that could affect grip. For harsh environments, apply a light lubricant to screw threads to prevent seizing, but avoid grease on the clamping surface to maintain friction.
Do double split shaft collars work on non-round shafts?
No, they are designed specifically for round shafts. Using them on non-round surfaces (e.g., hexagonal or D-shaped shafts) may result in poor grip, slippage, or damage. For non-round shafts, consider alternative mounting solutions like set screw collars or custom fittings.
What is the maximum temperature these collars can withstand?
It depends on the material: stainless steel collars can handle up to 1000°F, carbon steel up to 400°F, and aluminum up to 400°F. For higher temperatures, ensure the material selection matches your operating conditions to prevent weakening or failure.
