The Grooved Shaft Collar Ring provides secure axial retention on rotating shafts without marring or scoring the shaft surface. Featuring an integrated internal groove design, it ensures enhanced clamping uniformity and high axial load capacity compared to standard setscrew collars. Engineered for precision alignment in industrial power transmission and automation systems.
Key Features
Uniform Clamping Force: Distributes radial pressure 360 degrees around the shaft to prevent localized stress concentration and shaft deformation.
Internal Groove Design: Enhances grip reliability under heavy vibration and dynamic axial loads.
Precision Bore Squareness: Face-to-bore perpendicularity controlled within tight tolerances to maintain proper alignment of mounted components (sprockets, bearings, pulleys).
Robust Hardware: Equipped with high-tensile socket head cap screws (Property Class 12.9 for steel / A2-70 or A4-70 for stainless steel) for reliable tightening torque.
Technical Specifications
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Specification |
Details |
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Bore Diameter (d1) |
Metric: 6 mm to 100 mm |
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Inch (Fractional): 1/4" to 4" (custom imperial sizes available upon request) |
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Outer Diameter (d2) |
Proportional to bore size; heavy-duty and light-duty profiles available. |
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Width (B) |
Standard widths ranging from 8 mm to 25 mm (0.31" to 1.0"). |
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Bore Tolerance |
+0.013 mm / +0.051 mm (+0.0005" / +0.002" for inch series). |
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Material Options |
Carbon Steel (1045 / 12L14) |
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Stainless Steel (304 / 316) |
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Aluminum (6061-T6) |
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Surface Finishes |
Black oxide, zinc plating, passivation (for stainless steel), and clear anodize (for aluminum). |
Materials & Machining Processes
Manufacturing operations are executed in-house using stable production workflows to maintain dimensional repeatability:
Raw Material Sourcing
Certified bar stock with verified mill test reports (MTRs) confirming chemical composition.
01
CNC Turning
High-precision CNC lathes perform outer diameter profiling, inner bore boring, and groove profiling in a single setup to guarantee coaxiality.
02
Milling & Slotting
Precision horizontal/vertical CNC milling centers execute the split cut and clamping slot operations.
03
Thread Tapping
Thread holes are machined and thread-gauged to ensure proper fastener engagement and torque holding.
04
Deburring & Cleaning
Automated ultrasonic cleaning and mechanical deburring eliminate burrs, chips, and residual cutting fluids.
05
Applications
Material Handling Conveyor Systems
Roller positioning and heavy-duty sprocket retention in automated distribution lines.
Automated Packaging Machinery
High-speed drive shaft alignment, synchronization, and guide rail stops.
Electric Motors & Industrial Gearboxes
Bearing preload management and internal gear positioning.
Agricultural Equipment
Harvester drivelines and auxiliary pulley mounting exposed to field vibration.
Customization & OEM Services
Build-to-Print Manufacturing
Production executed strictly per customer engineering drawings (.STEP, .IGES, .PDF).
Custom Dimensions
Non-standard bores, extended widths, dual-split configurations, and custom groove profiles.
Material & Finish Modifications
Special alloy selection (e.g., Titanium, Brass) and specialized coatings (e.g., Electroless Nickel Plating).
Prototyping & Batch Production
Rapid sample turnaround (7-10 days) followed by scalable production runs.
Quality Control & Inspection
Strict quality protocols are integrated into every manufacturing lot:
Dimensional Verification: 100% check of critical bore diameters, outer diameters, and widths using calibrated micrometer sets and bore gauges.
Geometric Tolerancing: Optical comparators and coordinate measuring equipment verify perpendicularity and symmetry.
Thread & Fit Testing: Go/No-Go thread gauges test screw hole integrity; sample collars are trial-fitted onto precision test shafts.
Documentation: Material Test Reports (MTRs) and dimensional inspection reports supplied with shipments upon request.
Packaging & Shipping
Corrosion Protection: Components are coated with industrial-grade rust preventative oil and sealed in VCI (Volatile Corrosion Inhibitor) poly bags.
Impact Protection: Layered corrugated partitioning prevents part-to-part contact and transit scuffing.
Logistics Support: Secure export carton packaging on heat-treated wooden pallets, compatible with air and ocean freight requirements.
FAQ
Q: What is the minimum order quantity (MOQ)?
A: Standard catalog items have an MOQ of 50 pieces. Custom dimensions or finishes depend on raw material setup requirements; consult engineering for specifics.
Q: What is the standard production lead time?
A: Standard production takes 15-25 business days. Rapid sampling is available within 7-10 days.
Q: What 2D/3D file formats do you accept for custom orders?
A: We accept .STEP, .IGES, .DXF, and dimensioned PDF drawings.
Q: How are shaft collars secured without damaging the shaft?
A: Grooved and clamp-style collars wrap around the shaft uniformly, utilizing clamping bolts rather than direct setscrew penetration, protecting the shaft surface.
Q: Can you provide material test certificates?
A: Yes, full Material Test Reports (MTRs) tracing the steel mill heat number are available upon request.
Q: What surface finish options provide the best corrosion resistance?
A: Grade 316 stainless steel or passivation treatments offer superior corrosion resistance for marine or washdown environments.
Request a Quote
To receive an accurate and prompt quotation, please provide the following details:
Engineering Drawing or Specifications: Include bore size (metric or inch), width, and outer diameter tolerances.
Material & Surface Finish: Specify grade (e.g., 304 Stainless Steel, 1045 Carbon Steel) and required coating.
Quantity: Estimated annual volume or per-batch order quantity.
Target Delivery Schedule: Required on-site date or shipment milestones.
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