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Standard Types Casting Tungsten Carbide Burs for High Hardness
Standard-type carbide burs for casting cleanup on high-hardness alloys – the codes founders actually order.
Design and Construction
Standard-type burrs covering the casting-cleanup codes: cylinder, ball, tree and flame in the sizes foundries reorder. Integral YG carbide with double-cut flutes keeps cutting through abrasive casting scale.
How It Works
The double-cut flutes shear scale and feed pads without glazing; head codes map directly to the casting feature – balls for fillets, cylinders for pads, trees for parting-line beads.
Applications
Foundry fettling, investment-casting cleanup, die-cast trimming, heat-treat scale removal.
Field Cases
- Iron foundry: feed pads fettled at 20,000 RPM where grinding discs glazed on sand inclusions.
- Investment casting shop: tree heads removed parting-line flash on 17-4PH without work-hardening the surface.
- Die-cast trimmer: cylinder heads cleaned gate stubs on aluminium housings.
Performance Data
| Metric | Value / Observation |
|---|---|
| Scale note | Double-cut flutes resist loading in abrasive casting scale |
| Speed by head | 12 mm: about 20,000-25,000 RPM; 6 mm: about 30,000 RPM in cast iron |
| Hardness | 1,300-1,500 HV heads on abrasive scale |
| Reorder pattern | Standard codes make monthly replenishment a numbers exercise |
Suitable Materials
Grey iron, ductile iron, steel castings, aluminium and zinc die-cast alloys.
Material Comparison: Standard Types vs Custom Grinding for Foundries
When the standard code list is the right answer:
| Factor | Standard Types (this line) | Custom Grinding |
|---|---|---|
| Lead time | Stock – ships now | Grind to drawing – wait |
| Cost | Catalogue price | Tooling plus unit premium |
| Traceability | Published codes on every order | Custom numbers to manage |
| Fit | Covers 90% of fettling jobs | For genuinely special profiles |
| Reorder | By number, zero friction | By drawing revision |
Delivery Scope
Burr in plastic tube; standard codes stocked, casting-shop sets available.
Why Choose VPOINT
Standard codes plus casting-hardened flutes – the combination fettling lines reorder.
Precision & Quality Control
Heads checked for edge completeness against abrasive-wear test coupons.
Specifications
Standard code families:
| Item | Specification |
|---|---|
| Codes | Cylinder / ball / tree / flame standard types |
| Shank | 6 mm (1/4″) |
| Cut type | Double cut |
| Head material | YG-series carbide |
Frequently Asked Questions
Will these cut casting scale?
Yes – double-cut flutes are the standard choice for abrasive scale.
Which head for parting lines?
Tree heads follow the parting-line bead best.
Stock or custom?
These are stock standard types – ships immediately.
Aluminium die-castings?
Yes; use the aluminum-cut option for the softest alloys.
Set available?
Foundry sets can be assembled from the standard codes.
Related Search Terms
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