Rubber Industry
Rubber offers elasticity, wear resistance, cushioning, and sealing performance, making it an essential material for transportation, industrial equipment, medical supplies, and consumer products. Its applications include tires, conveyor belts, power transmission belts, seals, hoses, medical gloves, footwear, and construction waterproofing materials.
Key Rubber Product Applications
- Tires and Automotive Components: Rubber is used in tires, sealing strips, hoses, vibration-control components, and other automotive parts.
- Industrial Rubber Products: Conveyor belts, power transmission belts, gaskets, seals, and industrial hoses are widely used in machinery and automated production lines.
- Medical and Consumer Products: Rubber is also used in medical gloves, shoe soles, sporting goods, and other products requiring elasticity and protection.
- Construction and Infrastructure: Common applications include waterproofing materials, expansion joints, vibration-control pads, and pipe-sealing components.
Challenges in Rubber Slitting and Cutting
Rubber is soft, elastic, and easily deformed, making its slitting and cutting processes more challenging than those used for rigid materials. The geometry and cutting-edge condition of circular knives can directly affect the processing quality of rubber sheets, rolls, conveyor belts, sealing materials, and tire-related components.
Worn or unevenly ground circular knives may cause:
- Rough edges, tearing, or material sticking to the knife
- Dimensional deviations caused by stretching
- Inconsistent slitting widths and edge quality
- Increased material waste and defective products
- More frequent machine adjustments, tool changes, and production downtime
Regular grinding that maintains the cutting angle, geometric accuracy, and surface condition of circular knives is therefore essential for stable rubber processing.
Precision Circular Knife Grinding for the Rubber Industry
EYAN’s CVH-500D 3A CNC Circular Knife and Slitter Knife Sharpener is suitable for the precision grinding of circular and slitter knives used in the rubber and plastics industries. Its main features include:
- Grinding range of Ø65–Ø500 mm
- Grinding accuracy of ±0.005 mm
- Grinding angle range of +90° to −60°
- CNC-controlled automatic grinding
- Rough and finish grinding completed in one process
- Adjustable workpiece and grinding-wheel speeds
- High-precision spindle and AC servo drive system
- Optional rotary pneumatic cylinder for more efficient tool changes
By restoring knife geometry, cutting angle, and edge condition through precision grinding, the CVH-500D 3A helps manufacturers of tires, conveyor belts, seals, and other rubber products maintain consistent cutting and slitting quality while reducing material waste and production interruptions caused by tool wear.

