Tungsten Carbide Tips for Tungsten Carbide Rotary Burr
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Product Description
- Material: WC (tungsten carbide) particles bonded with cobalt (Co, typically 6–12%); fine-grain grades for precision, coarse-grain for heavy stock removal; hardness up to 92 HRA / ~HRC70+, far exceeding HSS.
- Designs:
- Solid carbide burr: One-piece WC-Co, most common for die grinders.
- Brazed tips: WC tip joined to steel shank (cost-effective for large diameters/heavy use).
- Flute & shape: Single cut, double cut, aluminum cut; shapes include ball, tree, cone, flame, cylinder (each for specific contouring/deburring).
Common Tip Shapes & Applications
| Tip Shape | Best Use Cases | Compatibility |
|---|---|---|
| Ball (round nose) | Concave surfaces, radius blending, deburring rounded edges | All metals, wood, plastics |
| Cylinder (flat end) | Face milling, slotting, removing weld beads | Steel, stainless steel, cast iron |
| Flame | Sharp contouring, intricate shaping, die/mold details | Hardened steels, non-ferrous |
| Tree | Rapid material removal on curved/irregular surfaces | General fabrication, metal art |
| Cone (pointed) | Small grooves, chamfers, narrow recesses | Precision machining, jewelry |
Common Shapes
- Ball/round: For contouring, blending, and hollowing.
- Cylindrical: For flat surfaces, deburring, and slotting.
- Tapered/pointed: For detail work, engraving, and reaching tight spaces.
- Tree/ogive: For shaping and finishing curved surfaces.
- Countersink: For chamfering holes.
Cut Types & Grade Selection
- Single Cut: Right-hand flutes, aggressive stock removal, better for ferrous metals; produces longer chips.
- Double Cut: Crossed flutes, smoother finish, less vibration, ideal for stainless steel and high-temperature alloys.
- Aluminum Cut (Non-Ferrous): Special geometry to prevent chip welding, for aluminum, copper, brass.
- Grade: Low cobalt (6%) for hardness/edge retention; high cobalt (10–12%) for toughness/shock resistance.
Performance & Operation Tips
- Speed: Die grinders typically 20,000–35,000 RPM; reduce speed for hard metals (e.g., 15,000 RPM for hardened steel) to avoid overheating/chipping.
- Coolant: Use flood coolant or air blast for prolonged cuts; dry machining for small jobs, but limit run time.
- Feed Rate: Light, consistent pressure—avoid forcing the tip, which causes premature wear or breakage.
Maintenance & Reconditioning
- Sharpening: Only by professional diamond wheel grinding (WC is too hard for conventional tools); re-sharpen when edge dulls, surface finish degrades, or cutting forces rise.
- Storage: Keep in anti-rust cases, avoid impacts; separate tips by size/type to prevent chipping.
- Replacement Indicator: Excessive vibration, burning marks on the workpiece, or visible chipping on the cutting edge.
Typical Uses
- Deburring & edge breaking: Removes sharp edges from metal parts.
- Weld preparation & cleanup: Shapes welds and removes excess material.
- Shaping & contouring: Used in mold making, metal carving, and jewelry.
- Grinding & milling: Works on steel, stainless steel, aluminum, titanium, cast iron, plastics, and wood.
Applications
- Automotive, aerospace, mold & die, metal fabrication, dentistry, and hobby carving.
Category:
Carbide Rotary Burrs
Key word:
rotary file
Tungsten carbide tips
Tungsten carbide inserts
Tungsten tips for carbide burr
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Mailbox:13397339096@ojinxin.com
WhatsApp:+86 133-9733-9096
Address: Jiade Industrial Park, Zhuzhou City, Hunan Province, China
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