Flute/Thread grinding with EHWA grinding wheels

In drill and milling tool production, flute grinding is the key technology and the cost focus.

EHWA has been developing special resin bonds and ceramic bonds for years, which allow enormous feed rates and therefore create a clear competitive advantage over other competitors.

Especially the open-pore bond structures stand out due to their grinding performance.

VC | EHWA ceramic bond

Case Study | Flute Grinding | Carbide:

  • Machine: ANCA FX7(19 KW)

  • Material : Carbide

  • Workpiece: Φ 12–50mm(LOF), 2 Spiralen (K10)

  • Feed: 120 mm/min

  • Depth of cut: 2.4 mm from solid

Vorteile | EHWA - Precision tools

  • high productivity with minimal tooling costs

  • significantly improved Surface and edge quality

  • Very high Edge stability of the tools

BG | EHWA Resin bond

Case Study | Circular Saws / Hobs / Reaming Tools | HSS and Carbide:

  • long lifetime of the grinding wheels
  • Reduction of grinding time

  • Reach fine surfaces

  • High shape and dimensional stability

EHWA bonds for tool grinding

Resin bond

Polyimide bonds(BXT, SA): The high thermal resistance is ideal for grinding at high speeds.

HT – Polyimidbindung(PA): High surface quality on the workpiece characterize this polyimide bond

Phenolic resin bonds(BG): This bond form is particularly suitable for general grinding applications on HSS, ferrous/non-ferrous metals. It has good elasticity and free cutting properties.

Hybrid bonds(RM, BMX): The combination of metal and resin bond. This combines the advantages of both materials-high wear and shape resistance and good grinding performance.

Ceramic bond

High porosity ceramic bonds(VDGF, VHGN): At high grain concentration, this bond reaches a high lifetime. Additionally, this bond has a high grinding performance due to the porous structure. Very suitable for grinding PCD, PCBN, ceramics and metal.

Metal bond

Metal bonds(MFS, MX): High wear resistance and high dimensional stability.