‘The Grind’ Guide
Whether you're looking for basics, technical terms, or applications, VSM Grindopedia offers easy-to-understand explanations and helpful videos for your day-to-day work.
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A
Abrasive belt
An abrasive belt can be used in a wide range of applications on stationary machines or hand-held grinding machines. Abrasive …
Abrasive grain
The abrasive grain performs the actual cutting work. It penetrates the material and removes the chip. High hardness, toughness …
Abrasives on a flexible backing
Abrasives on a flexible backing are abrasive tools in which the abrasive grain is applied to a flexible backing such as paper, …
Additional layers, grinding-active
Additional grinding-active layers are special coatings on the abrasive that perform additional tasks. For example, they reduce …
B
Backing material
The backing material forms the basis of the abrasive and serves as the platform for the abrasive grain and bond. It determines …
Bond
For abrasives on flexible backing material, there is a base and a size coat. The maker coat holds the abrasive grain on the …
C
Coating density
The coating density describes the number of abrasive grains per unit of area. It determines the aggressiveness of the abrasive …
Coating method
The coating method describes how the abrasive grains are applied. It influences the alignment and cutting effect of the grains. …
Coating types
Coating types describe how densely the abrasive grains are distributed. They influence the performance and clogging of the …
F
FEPA
FEPA stands for Federation of European Producers of Abrasives. It is a European association of abrasive manufacturers that sets …
Fibre disc
A fibre disc is an abrasive with rigid vulcanised fibre backing material, which is used with a back-up pad. They are primarily …
File belt
A file belt is a narrow abrasive belt for belt grinders with a small belt width. File belts are used when precise work is called …
G
Gloss level, gloss unit
The degree of gloss describes how strongly a surface reflects light. It is measured in gloss units (GU). The degree of gloss is a …
Grinding dust
Grinding dust is produced from material and abrasive grain wearing off during stock removal. Grinding dust is harmful to the …
Grit size
The grit size describes the size of the abrasive grains. It is the most important factor for stock removal and surface quality. …
I
Initial aggressiveness
Initial aggressiveness describes the strength with which an abrasive removes material immediately at the beginning of use. It …
J
Jumbo
Jumbo refers to the abrasive in its form when it leaves the production halls. Discs are then punched or rolls cut from the jumbo …
L
Long belt
A long belt is a very long abrasive belt for large, stationary machines. It is mostly used in series production and for large …
M
Maker coat
The maker coat holds the abrasive grain on the backing material. Phenolic or urea resins are the main binding materials used. …
O
oSa
The oSa (Organisation for the Safety of Abrasives) is an international association of grinding tool manufacturers. Their goal is …
P
Paper and cloth backing material
Paper and cloth backing material serve as the backing for abrasive grain and bonding. The backing material determines the …
PPE
PPE stands for Personal Protective Equipment and protects the user from dust, sparks, noise and chips during grinding. PPE …
S
Service life
The service life describes how long an abrasive can be used effectively. It directly affects costs and productivity. Typical …
Size coat
The size coat ensures that the abrasive grain stays in place. While the maker coat only secures the abrasive grain to the bottom …
Stainless steel
Stainless steel is an alloy steel with a high chromium content (at least approx. 10.5%), which makes it corrosion-resistant. …
Stock removal
Stock removal describes the amount of material that is removed from a workpiece over the entire service life of an abrasive. It …
Surface quality
Surface quality describes the quality, uniformity and roughness of a machined surface. It is crucial for the appearance, function …
V
Velour disc
A velour disc is a grinding disc with a hook and loop back for quick fastening. It is ideal for frequent disc changes, e.g. in …
W
Wet grinding
In wet grinding, the grinding process is supported by cooling lubricant or oil. Wet grinding reduces heat, binds dust and …
Wide belt
A wide belt is a wide abrasive belt for stationary grinding machines. It usually starts at a width of around 500 mm and is used …
Work safety when grinding
Work safety when grinding covers all measures that protect the user from injury and harm to their health. A key component is …