The Different Types of Tablet Press Machine

Types-Of-Tablet-Press-Machine

Tablet press in current use can be classified into:

1. Single punch/single station.
2. Multi-station/rotary presses.
3. Flower Basket tablet pres.
There are numerous models of press machine, manufactured by a number of companies, ranging in size, speed, and capacity.

Single Punch Tablet Press

Single punch tablet press, also known as single station press is the simplest machine for tablet manufacturing.  This machine uses a single set of station tooling (a die and a pair of upper and lower punches).

The compaction force on the fill material is exerted by only the upper punch while the lower punch is static;  such action equivalent to hammering motion and as a result, the single punch press is referred to as stamping process.

Advantages

1. The single punch structure is rational and small.
2. Easy to operate and it operates at a high utilization ratio.
3. It can manufacture odd-shaped products with a diameter of up to 25 mm.
4. It is ideal for the development of tablets and small batch production.
5. Single punch tablet press utilizes a high amount of pressure to reduce weight variations between tablets while maintaining a low noise level at the same time. 

Rotary Tablet Press

Rotary tablet press is a mechanical device that unlike the single punch tablet press has several tooling stations which rotates to compress granules/powder mixture into tablets of uniform size, shape (depending on the punch design), and uniform weight.   It was developed to increase the output of tablets.

In rotary press, the compaction force on the fill material is exerted by both the upper and lower punches leaving the powder granules to be compressed in the middle.   This is known as accordion type of compression.  The capacity of a rotary tablet press is determined by the rotation speed of the turrent and the number of stations on the press.

Advantages

1. High productivity can be gained with a minimal amount of labor while saving money.
2. The powder-filled cavity can be automatically managed by a moving feeder.
3. Rotary press decreases waste of valuable formulation in non-specific tablets.
4. The machine allows independent control of both weight and hardness. 

Flower Basket Tablet Press

Flower basket tablet press belongs to single impact tablet press, the working principle is consistent with the single impact tablet press.

This machine is a kind of flower basket type continuous automatic tablet press, it is the pharmaceutical, chemical, food processing, electronics and other industrial department granular materials into one of the necessary equipment, it is suitable for small batch production, laboratory, hospital departments such as pressing tablets, catalyst, sugar tablets, calcium tablets, coffee, powder metallurgy, electronic components and various agricultural fertilizer agent, etc

Advantages

1. Big pressure,suitable for production of large size tablet.
2. Especially suitable for pressing difficult to form powder tablets, such as ceramic powder, metal powder and so on. 

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