7″ inch Wool Felt Hardness Optional Polishing Wheel Grinding Wheel Rotating Tool Jewelry Polishing Accessories
Precision Lapping & Polishing
100% Wool Split Lap Buffing Wheel Paramount
Engineered with radial viewing slots for real-time contact line inspection. Manufactured from premium, high-density Australian wool felt to deliver flawless mirror finishes across aerospace alloys, dental crowns, forged golf irons, and high-jewelry.
Key Engineering Highlights
Why Master Craftsmen Choose Rolking Paramount Split Laps
Split lap wheels eliminate blind spots during aggressive surface finishing. Precision CNC balanced to protect fragile edges while maximizing heat dissipation.
Real-Time “See-Through” Vision
Precision-milled radial slots create an optical stroboscopic effect at high rotational speeds, allowing the technician to see directly through the disc to the exact workpiece contact line.
Zero-Chatter Dynamic Balance
Every wheel is concentrically punched from homogeneous compressed wool felt, preventing high-speed wobble, hand fatigue, or uneven wear on delicate dental crowns and watch cases.
Flint Hard Density & Edge Retention
High-tensile interlocking wool fibers maintain crisp beveled edges without fraying or shedding, holding abrasive compounds (diamond paste, rouge, dialux) significantly longer.
Microstructure & Optics
Precision-Cut Radial Slot Geometry
Unlike standard solid felt bobs or flat wheels, the Paramount Split Lap design incorporates calibrated diagonal slots that draw ambient air into the grinding zone while providing complete visual transparency.
- Continuous Air Cooling: Reduces thermal deformation and heat build-up on titanium and gold alloys.
- Over-Grinding Prevention: Immediate visual feedback prevents corner rounding and loss of crisp facet lines.
- Compound Efficiency: Micro-scale fiber porosity locks in paste abrasives with minimal compound fling.
- 100% Carbonized Wool: Pure organic wool free of synthetic binders, grit inclusions, or toxic fillers.
Industrial & Craft Applications
Tailored for Demanding Surface Finishing Environments
Forged Golf Club Head & Sports Hardware
Essential for custom clubmakers and iron refinishers. Delivers tour-grade satin and high-gloss mirror finishes along sole angles, leading edges, and hosels without softening sharp engravings.
Putter Soles
Titanium Drivers
Flint Hard
Robotic CNC & Aerospace Impeller Blading
Rigid high-density split lap wheels integrated into multi-axis robotic finishing cells for consistent deburring, blade radiusing, and optical mirror lapping on high-temperature superalloys.
Turbine Blades
Medical Implants
Automated Cells
Standard & Custom Options
Technical Specifications & Size Matrix
| Parameter | Standard Specification | Custom / OEM Capabilities |
|---|---|---|
| Material Composition | 100% Pure Virgin Australian / New Zealand Wool | Carbonized & Extra Fine Merino Grades Available |
| Outer Diameter (OD) | 6″ (150mm), 7″ (180mm), 8″ (200mm) | Custom diameters from 4″ (100mm) to 12″ (300mm) |
| Thickness / Face Width | 3/8″ (10mm), 1/2″ (12.7mm), 5/8″ (16mm), 3/4″ (20mm) | Single-ply or bonded multi-layer builds (up to 50mm) |
| Center Arbor Hole | 1/2″ (12.7mm), 5/8″ (15.8mm), 1-1/4″ (31.75mm) | Flanged cores, leaded centers, or quick-change mounts |
| Hardness Grades | Flint Hard (0.60 g/cm³), Rock Hard (0.52 g/cm³), Medium (0.42 g/cm³) | Calibrated density from 0.35 to 0.75 g/cm³ |
| Slot Configurations | 4 Radial Slots, Beveled Edge Profile | 2-Slot, 6-Slot, or Straight/Angled Slot Geometries |
| Recommended Max Speed | 1,800 – 3,450 RPM (Optimal for Split Lap machines) | Dynamic balancing certified for high-speed spindles |
Export Standard Packaging
Cleanroom-Sealed & Heavy-Duty Palletized Shipping
To prevent moisture absorption, dust contamination, or fiber crushing during international ocean and air freight, each disc is sealed in individual anti-static polybags with barcode labels and packed in rigid double-wall corrugated master cartons.
Help & Technical Consultation
Frequently Asked Questions (FAQ)
Q1: What is the primary functional advantage of a Split Lap wheel over a standard solid felt wheel?
A: The slotted design allows operators to view the exact contact point between the wheel and the workpiece while it is spinning at operating speed (the stroboscopic “see-through” effect). This eliminates accidental over-grinding, uneven edges, and rounded contours on flat items like jewelry settings, dental crowns, and forged golf irons.
Q2: Which hardness grade should I specify for my polishing application?
A: Flint Hard is recommended for aggressive pre-polishing, sharp edges, and flat surfaces (golf clubs, knife bevels, watch cases). Rock Hard is ideal for general high-precision lap finishing and dental restoration, while Medium Hard is preferred for soft precious metals (silver, high-karat gold) and gentle contouring.
Q3: What types of buffing compounds and abrasive pastes are compatible with these wheels?
A: Our 100% pure wool wheels are fully compatible with diamond lapping compounds (0.25 to 15 micron), aluminum oxide pastes, tripoli, white diamond, green chromium oxide, and red jewelers rouge. The natural wool cuticle holds compounds tightly with minimal sling.
Q4: Can Rolking Felt customize the arbor hole diameter, slot pattern, and logo label?
A: Yes. We offer comprehensive OEM/ODM customization including custom bore sizes (1/2″, 5/8″, 1-1/4″, or pin holes), specific bevel angles (45° or 30°), custom slot counts, and client-branded center labels or packaging boxes for wholesale distributors.
Q5: What are the safe operating RPM guidelines for split lap buffing wheels?
A: The optimal speed for 6″ and 7″ split laps ranges between 1,750 RPM and 3,450 RPM on standard split lap machines or variable-speed bench grinders. Always inspect the wheel before mounting and ensure the machine has appropriate arbor flanges and protective guards.
