FAQ - Henan E-Grind Abrasives Co., Ltd.

Why use Diamond and CBN Grinding wheels?

Diamond and CBN are defined as super hard materials due to their extreme hardness that surpasses the traditional abrasive materials like alumina oxide or silicon carbide.

Diamond and CBN Wheels are widely used in highly effective grinding processes and offer substantial benefits over traditional wheels.

The main advantage of diamond and CBN wheels:

Very long tool life and profile stability
Short grinding times
Short handling times
Lack of thermal damage to the workpiece
Ensure appropriate workpiece quality

How to choose superabrasives type？

Diamond applications

Diamond is the hardest abrasive material in the world.

Its hardness, wear and thermal resistance made the diamond the most appropriate abrasive to machining such materials as:

Hard metal
Cermet
Hard metal/steel combinations
Glass
Quartz
Ceramic materials of all kinds
Ferrotitanite
Carbide-based powder coating
Graphite
Polycrystalline diamond and CBN blanks
Ceramic magnetic materials
Glass and carbon-fiber reinforced synthetic materials
Tungsten Carbide

CBN applications

CBN is the second material after diamond. CBN is produced similarly to the diamond by high pressure and high-temperature aynthesis. Due to their chemical features and considerable lower wear, CBN tools are used for grinding such hard-to-process steels as:

HarHardened high-speed steel (HSS)
High alloyed steels with at least 55 HRC
Case-hardened steels
Iron-based powder coatings
Chill castings
Soft steels in certain applications
Stellite

CDX applications

CDX is a special superabrasive material with the performance between diamond and CBN. It is mainly used to grind the compound of hard&fragile material (like TCT) and Ferrous material (like Chilled steel).

How to choose Diamond and CBN grit size?

The chosen grit size affects the performance of the wheel determining the stock remove rate and surface finishing that can be achieved coarser grit size enables a higher material removal rate and rougher surface finishing, while a fine grit size is used for attaining a smoother surface finishing.

How to Truing and Dressing?

Truing and Dressing are necessary for keeping your super abrasive grinding wheel in ultimate working condition.

Truing gives the grinding wheel its geometrical accuracy and makes it run true while dressing opens up the grinding wheel, and exposes the abrasive grit by clearing away bond material from around the cutting edges.