planetary ball mill

A planetary ball mill consists of four spherical grinding jars mounted on a rotating disc. As the disc rotates, the jars rotate with it, and simultaneously, driven by gears, they themselves undergo planetary motion via a central shaft. The grinding balls within the jars move irregularly at high speed, generating impact, shearing, and grinding forces to achieve the purpose of grinding and mixing samples. Planetary ball mills can pulverize and mix products of different particle sizes and materials using both dry and wet methods. They are highly efficient, capable of producing particles down to 0.1 micrometers (1.0 × 10⁻⁴ mm) or even nanometer-scale products.

Planetary ball mills are widely used in industries such as geology, mining, metallurgy, electronics, building materials, ceramics, chemicals, light industry, pharmaceuticals, and environmental protection, and are suitable for fine and ultrafine grinding of products in these industries.

Product Performance and Parameters

• Transmission Method: Gear drive;

• Working Mode: Two or four ball mills operate simultaneously;

• Sample Loading: Two-thirds of the ball mill jar volume;

• Ball Mill Jar Volume: 0.05L-100L per jar, total volume 0.2L-400L;

• Feed Particle Size: Soil ≤10mm, other materials ≤3mm;

• Discharge Particle Size: Up to 0.1µm;

• Rotation Speed Ratio (Revolution: Rotation): 1:2 (Experimental type: 0.2-12L); 1:1.5 (Production type: 20-200L);

• Rotation Speed: 0-900 rpm (Standard type), 0-200 rpm (Production type), 0-1400 rpm (High-speed type);

• Speed Control Method: Branded frequency converter with no speed control. • Rotational speed accuracy: 0.2 rpm;

• Programmable control: The ball mill adopts high-tech microcomputer chip control, which can alternate between forward and reverse rotation (0-999 min) and alternating between forward, pause, reverse, pause, and forward rotation (0-999 min) according to the set program, suitable for needs requiring cooling or intermittent operation;

• Continuous working time (full load): 72 hours (timer 0-9999h);

• Motor power: Depending on the equipment model and ball mill load weight, the main power ranges from 0.55KW to 37KW, and the motor uses a 100% pure copper motor;

• Various materials are available for the grinding jar: agate, alumina corundum ceramic, zirconia ceramic, silicon nitride ceramic, silicon carbide ceramic, stainless steel, high wear-resistant steel, manganese steel, nylon, polytetrafluoroethylene, polyurethane, hard alloy, crystal glass, and other special metal materials, etc.;

• Milling media options include: agate, alumina, zirconium oxide, silicon nitride, silicon carbide, stainless steel, high wear-resistant steel, manganese steel, nylon, polyurethane, cemented carbide, glass, and other special metals;

• Milling environment options include: vacuum milling, inert gas milling, low-temperature milling, and high-temperature milling.