Pin Vent Trimming Blades
What Are Pin Vent Trimming Blades?
Pin vent trimming blades, tire trimming knives, and toothed tire shaving blades are key precision tools for tire making and retreading.
They cut off extra rubber burrs left after tire molding and vulcanization.
They are necessary to ensure good tire appearance and quality.
How Rubber Burrs Form
Molds have small air holes during tire molding and heating.
After heating, rubber burrs form on tire sides and shoulders.
These burrs hurt appearance and performance.
Main Functions
Use sharp, precise edges to cleanly remove rubber leftovers.
Make the tire surface smooth and meet quality standards.
Application Scenarios
New tire production: Used on automated lines with robots or trimming machines for fast, mass trimming.
Tire retreading: Trim edges and seams after retreading to ensure quality.
Blade Types & Materials
Blade shape and material depend on your machine and process.
Rubber is elastic and abrasive, so blades need:
High wear resistance
High sharpness
Long life
Common Blade Types
Circular blades: Most widely used. Small size, fits rotary trimmers. For fast, continuous cutting of large burr areas.
V‑shaped / irregular blades: Custom edges for precise trimming on patterns, corners, and hard‑to‑reach areas.
Straight blades: Flat cutting edge. For clean linear trimming on tire edges and seams.
Common Blade Materials
Quality & Maintenance Tips
Blade quality and care directly affect trimming speed, blade life, and tire finish.
Key Quality Requirements
Accurate size: Inner diameter, outer diameter, and thickness must match your machine.
Smooth sharp edge: Mirror‑polished edge reduces rubber sticking and makes cleaner cuts.
Daily Maintenance
Why Choose Alas Machinery Pin Vent Blades?
In tire making, appearance and balance are just as important as strength.
After heating, small rubber “spews” form on tires.
High‑quality trimming blades remove them cleanly without damaging the tire.
Why Precision Matters
Our Material & Processing Advantages
We use high‑quality high‑carbon steel and special alloys.
Vacuum heat treatment makes blades HRC 58–62 hardness.
Blades stay sharp for thousands of cuts.
Optional low‑friction coating prevents rubber sticking.
Machine Compatibility
Our blades fit most major global tire making machines and automatic trimmers.
They work for:
Key Benefits
Conclusion
Small rubber burrs can ruin tire quality.
Choose industrial‑grade pin vent trimming blades from Alas Machinery to meet international standards.
Contact us for technical details and wholesale prices.
Technical Specifications of Pin Vent Trimming Blades
| NO. | Product Name | Specification Dimensions (length x width x height/thickness) ） | Material | Remarks |
| 1 | Pin Vent Trimmer Blades size | 30*56*2.5mm-3T | HSS | The price varies depending on the quantity, and the blades can be customized. The number of teeth and the hole size can both be customized. |
| 2 | 42*55*2.5mm-7T |
| 3 | 48*51*2mm-9T |
| 4 | 48.5*55.5*2.5-9T |
| 5 | 51*32*2.3 -6T |
| 6 | 55*25*2.5 -5T |
| 7 | 50*50*2.5 -9 |
| 8 | 64*59*2.3mm-23T |
| 9 | 75*55*2.5mm-15T |
| 10 | 50*50*2.3mm-11T |
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Pin Vent Trimming Blades made from HSS material offer the best durability-to-price ratio.
High-Performance Replacement Blades for Tire Manufacturing
Toothed Knife for Tire Shaving
Pin Vent Trimming Blades drawing