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Laboratory Sigma Mixer



lab sigma mixer

Lab Scale Sigma Mixer is used for mixing and kneading for mixing, kneading of highly viscous mass, sticky and dough like products, Mixing of pastes, rubber, and heavy plastic masses, applications in Food, Rubber, Pharmaceutical, Chemical and agro industries, Dry powder to wet phase mixing. This mixer is most suitable for highly viscous material and dough like masses.

The laboratory model Double Sigma Mixer batch systems provide complete, homogeneous mixing, even in small quantities.

The vessel and moving parts inside are designed to ensure consistent granulation action, and a predictable homogeneous blend in a broad range of products. A special breaker ensures movement of elements to eliminate dead spots and ensure all material are blended thoroughly and granulated consistently.

The Lab sigma Mixer is a twin basin kneading machine with two horizontally arranged kneading blades, which are deeply geared into one another and strip themselves reciprocally. Each blade moves the material in opposite direction thereby providing excellent cross mixing of all raw materials. The blades pass the trough walls and each other at close clearances resulting in good mixing. The close clearance produces a shearing and tearing action that is beneficial to the size reduction of solids. Selection of appropriate blade shape and speeds result in excellent mixing.

 

Hydraulic tilting system is provided with complete power pack, electric motor, pressure valves, pipes, fittings, cylinders and hoses which makes the tilting mechanism quick, easy and simple to operate.


Sigma Mixer Technical Specification :

Competitive Advantages of the product

  • For Mixing, Blending and kneading of high Viscosity Materials, with a combined action of Bulk Movement, Kneading, stretching folding, dividing and Recombining.
  • Available in Capacity from 1 Kg to 5 Kg Industrial Productions.
  • Designed as per cGMP – Current Good Manufacturing Practices & Non GMP STANDARD Model.
  • Contact parts in AISI 316, AISI 304 or MS as desired by customer


Working Principle
of Sigma Mixer

In Sigma mixer tangential action of mixing and kneading obtained by ‘Z’ type (SIGMA) shaped kneading blades, which rotates very accurately at different speed towards each other causing product to be transferred from one end to another end. Discharge of the finished product is achieved by tilting the container or through the valves at the bottom or by means of an extrusion screw beside the container.

The mixing action is a combination of bulk movement, stretching, folding, dividing, and recombining of the material. The shearing & tearing action of the material against blades and the side walls causes size reduction of the solids. After the time period required for sterilizing the batch has elapsed, the heating circuit shuts of the pneumatics damper (exhaust) opens and cooling operation commences.

In the tangential design, the blades rotate in the trough meeting tangentially. The front blade generally rotates faster than the rear blade usually in the ratio of 3:2. Tangential blades are generally used for material of higher viscosities such as adhesives, rubber compounds, flush colors, dyes, and pigments.

In the overlapping design, the blades overlap above the saddle of the container. Due to the overlapping action, it is necessary that the relative position of the two blades is unchanged, and as a result, both the blades rotate at the same speed. Materials that flow freely or creep down into the blades are mixed using the overlapping blade action. This design offers a faster interchange of material from one blade compartment of the mixer to the other. Overlapping blade action is used for materials of lighter viscosities such as carbon pastes, clay coating, creams, and ointments. The overlapping blade produces a lower kneading and shearing compared to the tangential blade action.


Technical Specification
of Sigma Mixer

Model Capacity – Liters Motor (H.P.)
Working Capacity approx. Gross Capacity approx. General Heavy Duty
ASM – 50 50 Liters 80 Liters 5 H.P. 7.5 H.P.
ASM – 75 75 Liters 110 Liters 7.5 H.P. 10 H.P.
ASM – 100 100 Liters 150 Liters 10 H.P. 15 H.P.
ASM – 150 150 Liters 200 Liters 15 H.P. 20 H.P.
ASM – 200 200 Liters 300 Liters 20 H.P. 25 H.P.
ASM – 400 400 Liters 550 Liters 30 H.P. 40 H.P.
ASM – 500 500 Liters 750 Liters 40 H.P. 50 H.P.
ASM – 750 750 Liters 1150 Liters 50 H.P. 60 H.P.
ASM – 1000 1000 Liters 1500 Liters 60 H.P. 70 H.P.
ASM – 1500 1500 Liters 2100 Liters 75 H.P. 80 H.P.
ASM – 2000 2000 Liters 2600 Liters 80 H.P. 90 H.P.
ASM – 3000 3000 Liters 3800 Liters 100 H.P. 120 H.P.

* Power voltage can be adjusted as per customer's domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.