MEGA SERIES

OVERVIEW

The MEGA SPECIAL SERIES are the most desired choice amongst several world class compounders. They have demonstrated capability to support high volume manufacturing, especially for legacy engineering thermoplastics. Besides, the platforms are WP compatible and offer uncompromising quality along with a low cost of ownership.

  • Years of proven world-class performance
  • Design compatibility to match the widest range of compounding extruders worldwide
  • Competitively priced for a high performance extruder
  • Designed with patented, custom-designed ‘task-oriented’ elements for improved capacity and efficiency

Performance

STEER’s MEGA SPECIAL series offers manufacturers extremely high performance with a low cost of ownership. It is extremely competitively priced for a high-performance extruder and comes with after-market support to minimise downtime and maximise productivity.

Some key performance features include –

  • Residence time that can be maintained below 20 seconds
  • High levels of dispersion, wet-out and homogenisation
  • Proven performance with most demanding engineering plastics
  • Three levels of Torque protection to minimise breakdown
  • Greatest process stability for continuous production

FEATURES

#1. PATENTED ‘FRACTIONAL-LOBE’ DESIGN SCREW GEOMETRY

The MEGA SPECIAL PLATFORM is built using the revolutionary ‘Fractional-Lobe’ geometry, replacing the conventional integer-lobe design. This design eliminates shear peaks and ensures a uniform transfer of energy to the materials being processed, giving the capability and the control to work with sensitive materials. Besides, it reduces the energy consumed considerably, while improving overall quality.

#2. PATENTED SPECIAL ELEMENTS – ENHANCED PROCESS EFFICIENCY

Purpose-built with a thorough understanding of mixing, special elements help overcome difficulties arising in advanced applications. Whether it is higher intake or side-feed capacity, greater forward conveying ability, extensional flow or better wetting action and improved flow distribution, our special elements are built to enhance efficiency.

#3. STEER CONTINUA SPLINE

continua-spline most commonly used shaft splines are involute, circular or straight increasing the stress concentration and causing severe damage to the expensive screw shaft, the screw elements and the gearbox during a surge in torque. The STEER Continua Spline design, made of high alloy steel, reduces stress concentration. It has a shaft adaptor with circular rupture grooves. During a surge, only the shaft adaptor breaks at the groove preventing damage to the shaft, the elements and the gearbox .

#4. STEER HITORQ GEARBOX

The STEER Gearbox is of a watch case design with a housing of multiple chambers, made of high grade casting, and uses hardened and ground gears of DIN5/DIN6. While most gearboxes without hardening, develop play and have to be used at reduced speed and torque, STEER Gearboxes are built for the fast lane with their ability to transmit higher torque, minimal axial play, minimum backlash and equal angular deflection, allowing for improved process capability applications.

#5. STEER BARRELS – CRAFTED TO PERFECTION

STEER barrels have cooling circuits that cool uniformly, increasing the overall efficiency of the entire process. Made with the right metallurgy, they have supreme resistance to various types of wear and come with supports designed with cross roller guides or ‘v’ guides that allow for a sliding movement of about 15mm. The ‘u’ bracket on which the barrel rests has minimum contact surface to reduce the heat transfer from the barrel to the slider and support column, further increasing efficiency.

#6. STEER SIDE FEEDERS

STEER side feeders allow you to add new materials such as fillers, reinforcements, sensitive impact modifiers, pigments etc into the melt. They become important when split feed is essential due to the volumes of feed materials. The STEER side feeder can also be used for devolatizing applications through side-venting. The side feeder is height adjustable within a range and portable as castor wheels are fitted to it. STEER side feeders assure high consistency and precise dosing into the extruder, besides being completely noiseless.

#7. STEER SPECIAL TOOL STEEL – THE RIGHT METALLURGY FOR LONGER LIFE

STEER uses only special grades of tool steel, with high wear and corrosion resistance, developed in our state-of-the-art foundry. Our ACROLLOY series, a vanadium rich tool steel with alloying and micro- alloying elements, and characteristics of Wootz steel, works against the forces of abrasion, wear and corrosion. With ACROLLOY, our platforms and elements are capable of withstanding the most difficult applications.

#8. THE STEER HUMAN MACHINE INTERFACE

The STEER Human Machine Interface helps users control and monitor the extruder and peripherals through advanced communication links and protocols. The drive is controlled from a touch screen which operates through Programmable Logic Controllers (PLCs). STEER allows for customisation of the HMI screens, integration of peripherals, other plant utilities and material system to achieve complete plant automation. The software used by STEER is highly reputed and used by some of the largest companies around the globe.

Series Technical Specifications

MEGA SPECIAL PREMIUM

Sl. NoModelScrew Diameter (mm)Power(kW)Screw Speed (rpm)Nominal Torque (Nm)Specific Torque
01MS 2019101200409.8
02MS 252629120011511.6
03MS 282847120018813.6
04MS 303275120026513.6
05MS 4040128120051013.6
06MS 5050246120098013.6
07MS 60583771200150013.6
08MS 70706861200273013.6
09MS 808110301200410013.6
10MS 909215001200600013.7
11MS 10010418121000865013.6
12MS 12011820778001240013.6
13MS 1301333000800180013.5

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