Equipment: 1000L Basket Mill
Applications: Pigment Grinding, Ink Production, Paint Manufacturing
Global Installations: Mexico, South Africa, Saudi Arabia
Equipment Overview
The POLYC 1000L Basket Mill is a high-capacity batch grinding system designed for pigments, inks, and paints. It combines efficient grinding with easy cleaning and colour changeover, making it ideal for multi-product production facilities.
Global Installations
Mexico - Paint Pigments:
- Application: Grinding paint pigments for architectural and industrial coatings
- Configuration: 1000L basket mill with standard grinding basket
- Result: Consistent pigment dispersion with efficient batch processing
South Africa - Ink Production:
- Application: Grinding ink for printing and packaging
- Configuration: 1000L basket mill with zirconia grinding media
- Result: Fine particle size distribution with good colour strength
Saudi Arabia - Various Paints:
- Application: Production of various paint types for construction and industrial use
- Configuration: 1000L basket mill with hydraulic lifting system
- Result: Versatile grinding performance across multiple paint formulations
Key Features
- 1000L working capacity for high-volume batch production
- Hydraulic lifting system for easy access and cleaning
- Quick colour changeover with removable basket design
- Compatible with various grinding media (zirconia, glass, steel)
- Suitable for pigments, inks, paints, and colour pastes
Industry Context
The 1000L basket mill has become a workhorse for medium-to-large batch pigment grinding operations across multiple global markets. In Mexico, the growing architectural and industrial coatings sector requires efficient pigment dispersion with frequent colour changeovers. In South Africa, the expanding printing and packaging industry demands fine particle size distribution for high-quality gravure and flexographic inks. In Saudi Arabia, the construction boom drives demand for versatile paint production equipment that can handle multiple formulation types.
Technical Highlights
| Parameter | Specification |
|---|---|
| Working Capacity | 1,000L |
| Applications | Pigments, inks, paints, colour pastes |
| Lifting System | Hydraulic |
| Media Options | Zirconia, glass, steel |
| Key Advantage | Quick colour changeover, no external circuit |
Engineering Approach
The basket mill design grinds material inside the production vessel using a submerged grinding basket, eliminating the need for an external recirculation circuit and associated pumps, piping, and cleaning. This design is particularly advantageous for multi-product facilities where frequent colour and formulation changes are required—the basket can be lifted and cleaned in minutes, compared to hours for a horizontal bead mill circuit. The hydraulic lifting system provides easy access for cleaning and media replacement. In the South African ink installation, zirconia grinding media was selected for its high density and wear resistance, enabling efficient fine grinding to achieve the narrow particle size distribution required for high-quality printing inks.
Process Design Rationale
A basket mill grinds inside the batch vessel, so there is no external circuit to clean between colours. That single characteristic explains why this 1,000 L unit is used across three very different markets: paint pigments in Mexico, inks in South Africa and general paints in Saudi Arabia. In each case the production model is multi-product, and the cost that matters is not grinding speed alone but the time and material lost when the formulation changes.
The hydraulic lifting system supports that model. The basket is lowered into the vessel for grinding and raised for inspection, cleaning and media changes, without dismantling pipework. Because the basket is removable and the unit accepts zirconia, glass or steel media, the same machine can run a contamination-sensitive product and a general-purpose product by changing the media rather than the mill.
Quality and Acceptance Checks
Acceptance for a batch basket mill focuses on three things: fineness of grind at the end of the cycle, colour strength consistency between batches, and cleaning effectiveness between colours. The third is the one buyers most often skip. A short cleaning trial with a light colour following a dark one exposes residual contamination that a single-product test will never reveal, and it is far cheaper to discover before shipment than after the first changeover in the plant.
Specifying a Similar Project
When specifying a basket mill, state the batch volume, the range of products and colours, the target fineness for each, the media type preferred, and the cleaning method available on site. Also confirm vessel dimensions and floor-to-hook height, because the hydraulic lift needs clearance above the tank. Installations in Mexico, South Africa and Saudi Arabia all used the same 1,000 L platform with different media and lifting arrangements, which is why the specification should describe the process rather than a fixed model number.
Related Equipment
Learn more about basket mill technology: Basket Mill, 1000L Basket Mill, and compare with Horizontal Bead Mill for high-volume production.
Recommended equipment
Basket Mill is the relevant POLYC MACHINE configuration for this application.