Double Sided Rotary Tablet Press Machine

Double Sided Rotary Tableting Machine Model: LI-DT is a square type double sided rotary tablet Press equipment promising unmatched quality for medium batch Production. Safety/enhanced performance/cleanability and ease of operation are its most significant features. The suitable model can be selected based on the tooling and output requirement from the 27, 35 & 45 station with “D”, “B” & “BB” tooling respectively.

Manufacturer of Double Sided Rotary Tablet Press Machine is a high technology tablet press with a table-top design and most suitable for medium batch productions. This R&D tablet press is fully equipped with pre-pressing and main pressing systems. Though small and compact, it is fully incorporated for superior quality products. It is upscale from the other tablet presses and this is what makes it unique to be used in laboratory testing and research. Its sturdy nature along with its high-grade components designed by skilled engineers makes this lab rotary tablet press demanded in larger markets. Our High-speed rotary tablet press machine is available with variegated specifications and offers less power consumption with ultimate optimization capacity. Our quality range is highly appreciated for its salient attributes and high tensile strength.

Double Sided Rotary Tablet Press Machine


Having high demand for medicines and fast production process, the need for fast and accurate tableting machines is increasing. These machines are available in various specifications. But one important thing to keep in mind is the capacity of the machine. If the capacity is not adequate, it can lead to improper running and inconsistency of the weight.

These machines have a user-friendly design. Moreover, they are easy to clean. A separate electrical panel and control panel are available for easy maintenance. Also, there are anti vibrating mounts for better stability. In addition, there is an optional hydraulic lubrication pump.

The tooling station consists of the die, upper punch, and lower punch. They all work together to compress powder granules into tablets. The position of these components determines the compression force. The compression force can be controlled from outside the tableting zone.

In order to get smooth and uninterrupted running, the machine is equipped with an internal helical gear ring and pinion drive. This enables the upper punch and lower punch to rotate to various positions. This ensures the proper alignment of the die and punch.

The upper and lower pressure rolls are fitted with ball bearings. These bearings are used to maintain the pre-compression and main compression. This enables the accurate adjustment of the lower cam track. The pre-compression roller helps in removing excess air from the die.

The hopper is connected to the feed shoe, which is responsible for holding the powder mixture. The hopper is mechanically filled, or the granules can be manually inserted.

Rotary Table Press History


Rotary tablet press is a machine that compresses powder into tablets. This process helps reduce formulation wastage and increases output. There are several models of rotary tablet presses. They differ in automation level and pressing speed.

The basic model has a panel on the top and bottom that controls the press. There are also models that have a touchscreen HMI system. Some of these machines have the ability to interact with a pharma management system (MES) to help control weight, hardness, and formulation wastage.

The rotary tablet press has a four-sided glass shield that prevents airborne product separation. This is important when colour printing. It also helps to keep the raw material from being adulterated by mechanical oil.

These machines can produce millions of tablets per hour. Some of the higher-capacity models have custom tableting machine tooling systems. These can be purchased separately from the rotary press. The tools can be installed with a manual filling system or automated.

A segmented rotary turret design helps to increase the number of punching stations. The design also facilitates quick part changeover.

A rotary tablet compression machine should have good ventilation and a three-phase five-wire system. The power supply should not exceed 35 degrees Celsius.

Some rotary tablet presses have a vacuum deduster that sucks surplus powder from the die area. This helps to maintain optimal flow angles, ensuring a steady and consistent flow of raw material.

There are two types of rotary tablet presses: single and double-sided. These are the most common. These machines are classified into different categories according to the type of tooling they use.

Rotary Tablet Press Working Principle


Using several pairs of punches on a working turntable, a rotary tablet press compresses granular powder into tablets. It also has a mechanical buffer device, which prevents overload damage.

The main objective of a tablet press is to produce uniform tablet weight and size. It also controls hardness. This machine uses pressure rollers beneath the lower punch to compress the material.

After a hopper is filled with granular material, it is transported to a feed frame. The granular material is then metered into a die cavity. The size of the die cavity determines the tablet's thickness and size.

The feeding system of the tablet press machine ensures that the powder is fed correctly. The feeder system should be made of high quality stainless steel and 316L design. This ensures that the powder mix will not stick to the feeder housing.

The feeder housing is fitted with a take-off blade that deflects the tablet. A suction box is also installed to absorb the dust generated by the rotating machine. The ejection cam then guides the lower punch upwards and ejects the tablet from the die cavity.

A rotary tablet press is a highly advanced mechanical device that can control the compression of the powder filled cavity automatically. It also has a powder suction nozzle to prevent blockage. This allows the machine to reduce the amount of formulation waste.

The rotary tablet press is available in a range of models. These vary in automation level, speed, and capacity.

Salient Features of Double Sided Rotary Tablet Press Machine:


  • Square GMP model.
  • Machine is having heavy duty C.I. body & C.I.
  • middle plate.
  • Easy and more thorough cleaning.
  • Excellent and operator friendly material feeding system.
  • Lower guards of polished stainless steel.
  • Upper guards of transparent acrylic material.
  • Digital tablet cum RPM counter.
  • Turret of special grade S.G. casting.
  • Aluminium turret guards.
  • Higher turret speeds up to 40 RPM.
  • Phosphorous bronze bush provided inside the turret hole.
  • Imported needle roller beaning provided at the bottom of turret.
  • Cam tracks & pressure rolls made out of alloy steel.
  • Worm is made of phosphorous bronze material.
  • Upper punch penetration system.
  • Effective dust extraction nozzles.
  • Interlock to all guards.
  • Variable speed pulley.
  • One shot lubrication system.
  • Double sided lifting cams.
  • Anti-vibration mounts.
  • Overload pressure release system.
  • Reverse direction motion protection is provided to avoid major accident.
  • Available with intermittent auto lubrication pump. (optional)
  • Available with force feeding attachment. (optional)
  • Also available with SS 316 middle plate in turret.
  • Also available with electroless nickd plating turret.
  • Machine can be equipped to compress two-layered tables. (optional)
  • Also available with AC variable drive for main motor. (optional)
  • Also available with front control. All parameters can be set outside of machine

Technical Specification of Double Sided Rotary Tablet Press Machine:


Model No. LI-DT 27D LI-DT 27B LI-DT 35B LI-DT 45B
Number of Station 27” 27” 35” 45
Type of Tooling ‘D’ ‘B’ ‘B’ ‘BB’
Production Output (Per Hour) 65,000 – 1,30,000 65,000 – 1,30,000 70,000 – 1,68,000 90,000 – 2,25,000
Max. Operating Pressure 10 Ton 6.5 Ton 6.5 Ton 6.5 Ton
Max. Tablet Diameter 25 mm 16 mm 16 mm 11 mm
Max. Depth of Fill 20 mm 17 mm 17 mm 17 mm
Upper Punch Entry Penetration 1.5 – 8 mm 1.5 – 8 mm 1.5 – 8 mm 1.5 – 8 mm
Turret RPM 40 RPM 40 RPM 40 RPM 40 RPM
Electric Motor 5 HP, 3 Phase, 1440 RPM, 415 V., 50 Hz
Overall Dimensions 1800 mm x 1000 mm x 1040 mm
Net Weight 1450 Kilograms

Tablet Press Machine FAQs


It is a high-output rotary tablet compression machine featuring two feed frames and two sets of compression stations arranged around a single rotating turret — filling and compressing each die cavity twice per revolution to deliver double the tablet production output of an equivalent single sided machine, making it the preferred tablet manufacturing solution for large-scale pharmaceutical, Ayurvedic, and nutraceutical companies requiring very high daily tablet production volumes.

The double sided rotary tablet press fills each die cavity from two separate feed frames in every single turret revolution — effectively doubling the number of tablets produced per minute from the same turret at the same speed — delivering significantly higher output without increasing machine footprint, making it the most production-efficient tablet press format for commercial-scale pharmaceutical and Ayurvedic manufacturing.

Large pharma companies producing high-volume generic medicines, blockbuster branded tablets, and export-volume Ayurvedic formulations need tablet press machines that match their massive daily production requirements — a double sided press eliminates tablet manufacturing bottlenecks, reduces per-tablet production cost, and maximizes the return on compression room infrastructure investment.

Yes, established Ayurvedic companies producing high-demand herbal tablets — ashwagandha, triphala, brahmi, and proprietary formulations — for national distribution, modern trade retail chains, and international export use double sided rotary tablet presses to achieve the massive daily tablet output required to meet commercial market demand with consistent AYUSH-compliant quality.

Absolutely — major nutraceutical brands and cosmetic supplement companies manufacturing collagen tablets, beauty vitamins, probiotic supplements, and wellness formulations at commercial scale use double sided tablet presses to fulfill large retail and export orders with consistent tablet quality, precise dosage uniformity, and the high daily output volumes demanded by large-scale supplement supply chains.

Depending on the number of punch stations, turret speed, and tablet size, double sided rotary tablet presses achieve outputs of 100,000 to 1,000,000+ tablets per hour — providing the massive tablet production capacity required by large commercial pharmaceutical plants, established Ayurvedic manufacturers, and high-volume nutraceutical production facilities.

Double sided tablet press machines are available in configurations with 27, 33, 37, 45, 51, 61, and up to 75 punch stations — with the double-sided feeding action multiplying the effective output of each station configuration significantly, making them the highest-output tablet compression machines available for pharmaceutical and Ayurvedic commercial production.

The machine produces tablets in all standard shapes including round, oval, oblong, capsule-shaped, and custom embossed designs — with diameters ranging from 3 mm to 25 mm — using B-type and D-type interchangeable punch and die tooling sets customized for each pharmaceutical, Ayurvedic, and nutraceutical tablet product specification.

Yes, it is manufactured with GMP-compliant SS 316 product contact parts, fully enclosed dust-free compression zones with transparent observation panels, and complete documentation support — meeting WHO-GMP, Schedule M, USFDA, EU GMP, and AYUSH regulatory equipment standards for large-scale licensed pharmaceutical, Ayurvedic, and nutraceutical tablet manufacturing facilities.

The machine uses independent automatic weight control systems for both feed stations — each with dedicated pre-compression and main compression force monitoring that continuously adjusts die fill depth on both sides simultaneously — ensuring consistent tablet weight uniformity across all punch stations from both feed frames throughout the entire high-volume production run.

Each feed station on the double sided press has its own pre-compression roller — independently de-aerating the granule bed and partially consolidating the powder fill before the main compression stroke on both sides — delivering more uniform tablet density, superior hardness consistency, and significantly reduced tablet defects like capping and lamination across the entire high-speed production run.

Yes, it efficiently processes both wet granulation granules and direct compression blends — with independent feed frame speed adjustment on both sides allowing optimization for different granule flow characteristics — making it suitable for the complete range of pharmaceutical, Ayurvedic, and nutraceutical tablet formulation types used in commercial-scale production.

The machine uses a centrally positioned turret with a sealed divider between the two feed frame zones — preventing any powder mixing between the two sides — with individual hopper and feed frame cleaning protocols that ensure complete product removal from each side independently between batch changes in multi-product pharmaceutical and Ayurvedic manufacturing environments.

Critical in-process quality parameters monitored independently for both sides include tablet weight uniformity, hardness, thickness, friability, and disintegration — with real-time compression force data from both feed stations providing continuous tablet weight trend monitoring between manual sampling intervals throughout the high-volume production run.

The machine's validated dual-side compression force monitoring, consistent weight uniformity across high-volume output, GMP-compliant enclosed construction, and comprehensive batch documentation provide the tablet quality evidence required for pharmaceutical companies exporting to regulated markets including the US, EU, and Middle East where strict tablet quality standards are enforced.

Specialized bilayer versions of double sided rotary tablet presses are available — using the two feed stations to fill the first and second layer materials sequentially into the same die cavity — enabling pharmaceutical manufacturers to produce bilayer combination tablets with two distinct formulation layers in a single high-speed compression operation.

Complete product changeovers — including punch and die removal from all stations on both sides, machine cleaning, and new tooling installation — typically require 3 to 6 hours on double sided machines due to the higher punch station count — with pre-validated cleaning procedures and organized tooling storage minimizing changeover downtime on high-value commercial production lines.

The machine requires a 440V three-phase power supply, compressed air at 6 bar, and a dedicated tablet compression room maintained at controlled temperature of 25°C and relative humidity below 45% — with adequate room size to accommodate the machine footprint and operator access on both sides for routine operation, sampling, and maintenance activities.

Yes, Lodha Pharma provides comprehensive project support including machine installation, dual feed station calibration and validation, Factory Acceptance Test (FAT) protocols, Installation Qualification (IQ), Operational Qualification (OQ), and Performance Qualification (PQ) documentation, detailed compression SOPs, operator and maintenance staff training, AMC contracts, and fast punch, die, and spare parts availability — fully supporting customers through Schedule M audits, WHO-GMP certifications, USFDA inspections, and international regulatory submissions.

Simply contact Lodha Pharma through their official website with your tablet formulation type, required tablet shape and diameter, punch station configuration needed, target daily production output, tooling specifications, GMP licensing status, and facility infrastructure details — their expert technical sales and pharmaceutical project engineering team will promptly provide a comprehensive customized quotation and arrange a detailed live factory or virtual technical demonstration to help you plan the ideal double sided rotary tablet press solution for your large-scale pharmaceutical, Ayurvedic, or nutraceutical tablet manufacturing operation.

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