Products Sample Preparation Molds & Accessories Special Shape Press Mold for Lab
Special Shape Press Mold for Lab

Molds & Accessories

Special Shape Press Mold for Lab

Item Number : PMT

Price varies based on specs and customizations


Die heating
Alloy tool steel :Cr12MoV
Indenter hardness
HRC60-HRC62
Sample size
Φ6、Φ8、Φ10、Φ15、Φ20mm(M)
Cavity depth
40mm (N)
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Introduction

Special shape press molds are designed for high-pressure applications requiring large cross-sectional areas or intricate shapes, such as round, square, or hexagonal forms. These molds are equipped with electric heating capabilities, enabling precise temperature control during the molding process. The hydraulic circuit principle involves storing energy in a piston-cylinder system, which is then released upon opening the drain valve. This technology is crucial for manufacturing long, thin items or irregular shapes, such as ceramic rods or automotive components, ensuring stability and efficiency in production.

Applications

The special shape press mold application is versatile and finds its use in various industries where precise molding and shaping of materials are required. This type of mold is particularly useful for creating complex shapes and sizes, ensuring high pressure and uniformity in the final product. Below are the main application areas where special shape press molds are extensively used:

  1. Ceramic Manufacturing: Used for pressing long and thin ceramic rods, ensuring uniform compaction along the length.
  2. Automotive Industry: Ideal for compression molding of various interior components like sun visors, stick shift gear knobs, and trim covers.
  3. Plastic and Rubber Industries: Utilized for shaping raw plastic compounds and rubber into specific molds using heat and compression.
  4. Metalworking: Employed in the shaping of metal components with high precision and pressure requirements.
  5. Pharmaceutical Industry: Used for pressing tablets with specific shapes and sizes, often requiring electric heating of the mold.
  6. Electronics Manufacturing: Essential for creating precise components with intricate shapes, ensuring high-quality end products.

These applications highlight the versatility and importance of special shape press molds in various industries, ensuring high-quality, precise, and efficient production processes.

Detail & Parts

Special Shape Press Mold for Lab
Special Shape Press Mold for Lab

Porous Pressing Dies
Porous Pressing Dies
Sample fixed height mold
Sample fixed height mold
Zirconia press mold
Zirconia press mold

Technical specifications

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

Operation steps

Special shaped molds are mostly used in the catalytic industry or for the formation ofsome porous samples. Square or porous samples can also be customized, and the outer diameter size of the compression plate is3-4 mm in diameter;Special mold dimensions can be customized according to customer requirements.

1.Place the mold in the center position of the tablet press.

1.Place the mold in the center position of the tablet press.

2.Tighten the oil drain valve of the tablet press clockwise.

2.Tighten the oil drain valve of the tablet press clockwise.

3.Tighten the screw to fix the mold in place.

3.Tighten the screw to fix the mold in place.

4.Shake the handle lever back and forth to reach the required pressure.

4.Shake the handle lever back and forth to reach the required pressure.

5.Loosen the oil valve counterclockwise to release pressure.

5.Loosen the oil valve counterclockwise to release pressure.

6.Take out the pressed mold from the tablet press.

6.Take out the pressed mold from the tablet press.

Features

The Special Shape Press Mold feature is designed to address the pressing needs of items with unique geometries and large aspect ratios. This innovative mold system offers a versatile solution for industries requiring precise and stable compaction of materials, particularly in applications involving long, thin items or irregular shapes.

  1. Versatile Shape Compatibility: Capable of pressing various shapes including round, square, rectangular, circular, hexagonal, and flat, this mold ensures that products with complex geometries can be manufactured efficiently.

  2. High Tonnage Capability: Ideal for large cross-sectional areas and high-pressure needs, the mold can handle substantial tonnage, ensuring that even the most demanding applications receive adequate compaction and stability.

  3. Electric Heating Integration: The mold includes electric heating capabilities, allowing for precise temperature control during the pressing process. This feature is crucial for materials that require specific heat treatments to achieve optimal results.

  4. Hydraulic Control System: Utilizing a sophisticated hydraulic system, the mold ensures precise pressure application and energy storage. This system supports efficient operation and immediate unloading when necessary, enhancing productivity and safety.

  5. Customization for Irregular Shapes: Specifically designed to manage irregular shapes like donuts or items with varying dimensions along their length, this mold prevents common issues such as poor compaction and instability, ensuring high-quality end products.

  6. Efficient Material Utilization: By accurately cutting or weighing the stock for each cavity, the mold minimizes defects such as flow lines, blisters, or unfilled parts, leading to less waste and more consistent outcomes.

These features collectively make the Special Shape Press Mold an essential tool for industries where precision, versatility, and efficiency in pressing complex shapes are paramount.

Principle

The special shape press mold operates on the principle of Pascal's law, which states that pressure applied to an enclosed fluid is transmitted equally throughout the fluid. This principle is utilized to mold powders into various shapes, such as round, square, and hexagonal, by sealing the powder in a mold and applying uniform pressure through a liquid medium. The process ensures even distribution of pressure, allowing for the creation of complex shapes and sizes with high precision.

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FAQ

What Is A Press Mold?

A press mold is a device used in material processing methods such as cold isostatic pressing (CIP) and metal mold pressing to create molded bodies from powder materials. In CIP, the mold containing the powder is immersed in a pressure medium, and isostatic pressure is applied to the outer surfaces of the mold to compress the powder into a shape. Metal mold pressing applies only uniaxial pressure to the powder material to create molded bodies. CIP can produce products with uniform density and homogeneity due to no frictions with a metal mold.

What Is Press Mould In Ceramics?

Press moulding is a ceramic forming technique that involves the compaction of powders by applying either a rigid or flexible pressure. It can be either uniaxial or isostatic, depending on the shape required. Isostatic pressing is used for shapes that cannot be obtained by uniaxial pressing or for added value products that require high density and isotropic green bodies. The molds for axial-pressing are usually made of steel, while those for isostatic pressing are made of elastomers, silicone, and polyurethanes. This technology is applied in various fields like ceramics, MMC, CMC, and Silicon nitride for cutting tools, components of heavy-duty valves, wear parts for process technology, and more.

How Are Pellet Molds Used?

To use a pellet mold, the powdered or granular material is first loaded into the mold cavity. The material is then compacted by applying pressure using a laboratory press or hydraulic machine. The pressure causes the material to conform to the shape of the mold, resulting in a solid pellet or cylindrical sample. After the compaction process, the pellet is removed from the mold and can be further processed or analyzed as needed.

What Types Of Materials Can Be Pelletized Using Pellet Molds?

Pellet molds can be used to pelletize a wide range of materials, including but not limited to powders, granules, metals, ceramics, pharmaceuticals, and catalysts. They are particularly useful for materials that require compaction or shaping before further analysis or processing. Pelletizing materials can improve their flow properties, density, and handling characteristics, making them suitable for applications such as tabletting, catalyst preparation, fuel pellet production, and sample preparation for spectroscopic or analytical techniques.

How Can One Select The Appropriate Pellet Mold For Their Specific Application?

Pellet molds can be used to pelletize a wide range of materials, including but not limited to powders, granules, metals, ceramics, pharmaceuticals, and catalysts. They are particularly useful for materials that require compaction or shaping before further analysis or processing. Pelletizing materials can improve their flow properties, density, and handling characteristics, making them suitable for applications such as tabletting, catalyst preparation, fuel pellet production, and sample preparation for spectroscopic or analytical techniques.
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