4″ 6” 7”medium hard jewelry wool split felt lap buffing wheels sanding disc polish wheel grinding
Metrology-Grade Superfinishing
100% Wool Split Lap Buffing Wheel Paramount
Engineered for aerospace turbine blade profiling, optical metrology labs, medical implant finishing, and custom chrome restoration. Features calibrated radial viewing slots for real-time contact line inspection down to Ra 0.005 μm surface roughness standards.
Engineering Specifications
Structural Geometry & Hardness Density Calibration
Formulated through multi-stage high-density compression and concentric CNC balancing, ensuring zero thermal discoloration and uncompromised edge geometry.
Comprehensive Hardness Spectrum
Available in 4″, 6″, and 7″ standard diameters across five distinct density grades—Soft, Medium, Hard, Rock Hard, and Flint Hard (up to 0.65 g/cm³)—covering everything from contour blending to razor-sharp bevel retention.
4-Slot Vision & Centrifugal Cooling
Precision-milled diagonal slots generate a transparent optical strobe effect during rotation, allowing technicians to inspect workpiece contact lines in real time while constantly drawing cooling air through the grinding zone.
Micro-Inspection & Quality Control
Micron-Tolerance Slot Geometry & Fiber Density
Clean-Cut Beveled Slot Geometry
High-resolution close-up reveals the crisp, non-fraying edge of our radial slots. Pure carbonized wool fibers lock in polishing compounds without micro-scratching or synthetic binder residues.
Clean Bevel Cut
Zero Fraying
Strict Dimensional Tolerance Control
Every batch undergoes rigid QC verification with calibrated digital micrometers and concentric arbor checks, guaranteeing balanced rotation up to 3,600 RPM without radial runout or high-speed vibration.
Arbor Concentricity
ISO-Standard QC
High-Torque Performance
Motorcycle Chrome & Billet Restoration
Built to withstand high-pressure cut-and-color operations on billet aluminum, stainless exhaust headers, and vintage motorcycle engine casings. Flint Hard density maintains sharp parting lines while producing flawless deep-mirror luster.
Works with Tripoli, Grey & White Compound bars
Eliminates wave distortion on flat engine casings
Cooling slots prevent chrome yellowing
3.5x longer lifespan than sewn cotton wheels
B2B Standard Matrix
Technical Parameters & Customization Capabilities
| Technical Parameter | Standard Factory Specification | OEM / ODM Capabilities |
|---|---|---|
| Raw Material Origin | 100% Pure Virgin Australian / New Zealand Wool | Carbonized Ultra-Clean Wool (Merino Grade) |
| Standard Diameters | 4″ (100mm), 6″ (150mm), 7″ (180mm), 8″ (200mm) | Custom diameters up to 12″ (300mm) |
| Face Width / Thickness | 3/8″ (10mm), 1/2″ (12.7mm), 5/8″ (16mm), 3/4″ (20mm) | Multi-ply bonded builds up to 50mm |
| Arbor Hole / Bore | 1/2″ (12.7mm), 5/8″ (15.8mm), 1-1/4″ (31.75mm) | Quick-mount flanged centers or pin holes |
| Hardness Classification | Soft (0.35 g/cm³), Medium (0.45 g/cm³), Rock Hard (0.55 g/cm³), Flint Hard (0.65 g/cm³) | Calibrated density from 0.30 to 0.75 g/cm³ |
| Slot Milling Geometry | 4 Radial Slots with Beveled Outer Rim | 2-Slot, 6-Slot, or Straight Slot Configurations |
| Operating RPM | 1,800 – 3,450 RPM (Bench Lap / Split Lap Motors) | High-speed dynamic balancing certified |
Technical FAQ
Frequently Asked Questions (FAQ)
Q1: How does the split lap wheel achieve an optical surface finish down to Ra 0.005 μm on aerospace alloys?
A: The 100% pure carbonized wool fibers possess a natural microscopic scale structure that evenly embeds sub-micron diamond lapping compounds without agglomeration. Combined with dynamic balancing and slotted air cooling, micro-scratches and thermal orange peel are completely eliminated.
Q2: What is the benefit of the beveled edge profile during precision metallography and blade polishing?
A: The beveled rim allows effortless entry into concave contours, tight root fillets, and blade transitions without gouging adjacent surfaces. It provides smooth lead-in and steady compound distribution across 3D complex geometries.
Q3: Which density grade is recommended for heavy chrome and motorcycle billet restoration?
A: Flint Hard (0.65 g/cm³) is strongly recommended. Its rigid, non-yielding structure delivers maximum cutting aggression when paired with gray or green compounds, preserving sharp casing edges without rounding off bolt holes.
Q4: Can we order custom arbor hole sizes and branded center labels for private label distribution?
A: Yes. Rolking Felt provides full turnkey OEM/ODM services, including laser-cut arbor bores, custom-printed color center labels with your brand logo, and vacuum-sealed export packaging boxes.
Q5: What are the recommended operating speeds and safety precautions for slotted lap wheels?
A: Optimal operating speeds are between 1,800 and 3,450 RPM on standard split lap machines or variable-speed spindles. Always inspect the wheel before mounting, ensure the disc is securely clamped between flat arbor flanges, and use appropriate eye protection and dust collection hoods.
