The production of high-density tungsten heavy metal cubes typically involves a process called powder metallurgy. The following are the general steps for tungsten heavy metal cube production:

1. Raw material selection: Select high-purity tungsten powder, as well as nickel, iron, copper and other powder alloys as raw materials for producing tungsten heavy metal cubes. The precise composition of the alloy is carefully controlled to achieve the required density and properties.

2. Mixing: Mix the selected powder thoroughly to achieve a homogeneous mixture. This step is critical to ensure uniform distribution of alloying elements within the tungsten matrix.

3. Compaction: The mixed powder is compacted under high pressure to form a green body with the desired shape and size. The process is usually carried out using a hydraulic or mechanical press to achieve the desired density and shape.

4. Sintering: The green body is then sintered in a high-temperature furnace under a controlled atmosphere to bond the particles and achieve final density. During sintering, the powders are heated to temperatures below their melting point, causing them to bond together through a diffusion process.

5. Machining and finishing: After sintering, the tungsten heavy metal block is machined to achieve final dimensions and surface finish. This may involve processes such as milling, turning and grinding to achieve precise shapes and surface quality.

6. Quality control: Throughout the production process, quality control measures are implemented to ensure that the finished tungsten heavy metal cubes meet the specified requirements for density, size and other key parameters.

The production of high-density tungsten heavy metal cubes requires careful control of powder composition, mixing, compaction, sintering and machining processes to achieve the required density and properties. Reputable manufacturers with powder metallurgy expertise can provide detailed information about their production methods and quality assurance processes.