Pallomurskaus

Pallomurskaus is a term used in Finnish-language industrial and materials processing contexts to describe the crushing of ball-shaped materials into smaller pieces or powders. The term covers a range of size-reduction steps where spherical feedstocks such as ceramic beads, glass pellets, metal balls, or other rounded media are subjected to mechanical forces to achieve a more uniform and fine product suitable for subsequent processing, mixing, or reaction steps.

The process can involve different types of crushers and milling equipment. Primary reduction is often performed with compression crushers such as jaw or gyratory crushers, which break larger spheres into smaller fragments. Intermediate reduction may employ cone crushers or impact crushers, depending on the material’s hardness and friability. For final sizing and finer powders, grinding mills such as ball mills, attrition mills, or similar equipment may be used after initial crushing. Key parameters include feed size, material hardness, moisture content, and the target particle size distribution.

Applications of pallomurskaus appear across materials processing, recycling, and manufacturing where spherical media are used or produced. Examples include preparation of ceramic or glass beads, pigment media, catalyst supports, and the conditioning of milling media before use. Safety considerations emphasize dust control, adequate ventilation, hearing protection, and machine guarding. In Finnish technical literature, pallomurskaus is often described in practical terms and may be translated as “crushing of balls” or “ball crushing” in English, depending on context.