Ball Press Mold for Lab

Introduction

Ball press molds are specialized tools used in high-pressure applications to shape metal powders into various forms such as round, square, or hexagonal shapes. These molds are often used in conjunction with large tonnage machines to achieve the necessary pressure for molding large cross-sectional areas. The process involves electric heating of the mold and the use of hydraulic systems to control pressure and ensure uniform compression of the powder. This technique is crucial in industries requiring precise and durable metal components, enhancing mechanical bonding and structural integrity.

Applications

Ball press molds are versatile tools used in various industries for the compaction and shaping of materials under high pressure. These molds are particularly essential in powder metallurgy, ceramic production, and rubber processing, where precise shaping and high-density products are required. The ability to produce different shapes and sizes, coupled with the option for electric heating, makes ball press molds a critical component in advanced manufacturing processes.

• Powder Metallurgy: Used for compacting metal powders into desired shapes before sintering, ensuring high density and strength in the final product.
• Ceramic Manufacturing: Essential for creating intricate ceramic pieces with uniform density, suitable for high-performance applications like insulators and advanced ceramics.
• Rubber Processing: Employed in the production of rubber products through hydraulic vulcanization, ensuring uniform heating and shaping of rubber materials.
• Pharmaceutical Industry: Used for tablet manufacturing, where precise pressure and shape are crucial for dosage accuracy and product integrity.
• Advanced Materials Research: Involved in the development of new materials and composites, where controlled pressure and shape are necessary for research and prototyping.

Detail & Parts

Technical specifications

Instrument model	PMQ
Sample shape
Die heating	Alloy tool steel :Cr12MoV
Indenter hardness	HRC60-HRC62
Sample size	Φ6、Φ8、Φ10、Φ15、Φ20mm (M)	Φ30、Φ40、Φ50 mm (M)
Cavity depth	40mm (N)	60 mm (N)
Dimensions	Φ53*120mm (L*H)	Φ88*150 mm (L*H)
Weight	1.4kg	5.8kg
Diagram of hydraulic powder press size

Features

The ball press mold feature offers a versatile and efficient method for achieving high compact densities in metal and ceramic powder compaction. This process is particularly beneficial for producing intricate shapes and high-quality parts with uniform pressure and enhanced density. Here are the key features and their benefits:

1. Versatile Shapes and Sizes: The ball press mold allows for the production of various shapes including round, square, rectangular, circular, hexagonal, and flat shapes. This versatility is crucial for industries requiring diverse part geometries.

2. High and Uniform Pressure: The isostatic pressing process ensures high and uniform pressure distribution, eliminating die wall friction. This results in higher compact densities and improved part quality.

3. Precision Dimensions: The inner diameter of pressed shapes achieves higher precision compared to the outer diameter, making it ideal for applications requiring tight dimensional tolerances.

4. Efficient Production: The dry bag isostatic pressing method simplifies the production process by integrating rubber tooling into the apparatus, reducing the need for separate immersion and removal steps. This leads to faster production rates and ease in automation.

5. Heat Integration: The hydraulic hot press rubber process incorporates heat to facilitate the flow of stock and fill the mold cavity, ensuring complete filling and reducing defects such as flow lines and blisters.

6. Large Tonnage Capability: The large tonnage machine is suitable for molding large cross-sectional areas and requires greater pressure, making it adaptable to various industrial needs.

7. Energy Storage and Control: The circuit principle of the ball press mold involves storing energy through high-pressure oil, allowing for precise control and immediate unloading when needed, enhancing operational efficiency.

These features collectively make the ball press mold an essential tool for industries seeking high-quality, precise, and versatile powder compaction solutions.

Operation steps

The spherical mold is used in the pharmaceutical industry and small batch testing.

1.Assemble the die according to the operation diagram and install the sample in the cavity.

2.Put the die in the center of the hydraulic press and pressurize to required pressure.

3.Assemble the die according to the release diagram ,eject the sample out of the die bushing with the screw rod.

4.Take out the die from the hydraulic press , and remove the sample gently.

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