Our Achievements & Innovations
Hewitt Robins International has a wealth of history, design and innovtions over the years.
Conceived in 1891 Thomas Robins, founder of Hewitt Robins began devising the first innovative belt conveyors.
First vibrating screen designed by Thomas Robins, founder of Hewitt Robins International.
"Circle-throw", uniform motion screen.
High-speed mechanical screen, oil lubricated, with variable stroke.
Elliptical stroke, horizontal screen.
"Slip-fit-on-the-shaft" unitized bearing flange assembly
Start-Stop bounce restrictor, floating and friction type.
Parallel wire dewatering screen.
Heavy-duty, two-bearing screens and scalpers
High-strength torqued boiling system
Electrical strain gauge, stress-coat and photoelastic stress measurement in design analysis
Eight-bearing, four-shaft vibrator
Special-Duty (1400 F) Hot Sinter Screen
Screen cloth tension wedge.
Vari-grid grizzly 7' and 8' wide, and 20' long two-bearing screens
Parallel rod deck with zipper-type attachment
Analytical analysis of "off-motion" phenomenon
X-brace cross-members for a more rigid vibrating frame.
Self-supporting perforated and solid deck panels for shakeouts and screens.
Super-duty (200 F) hot sinter briquette screen
Twelve-bearing, six-shaft vibrator capable of vibrating 50-ton unit with 1/2 stroke at 700 RPM to provide 6000 TPH scalping capacity.
Quick wedge clamp system for attaching cloth support bars to crossmembers.
Tubular cross member bars (adds strength in all directions)
Double VIBREX (Two synchronised vibrators for increased stroke and bearing life)
Vibrating no-bake foundry sand reclaimer
Triple deck 10ft by 24ft developed for high volume screen applications. Many configurations now available.
Development of High Energy Screen with G-Force up to 6.5G for problematic, difficult to screen materials
2 Bearing Vibrator Pod called the Quad- Unit designed for easy maintenance and increased bearing life.
Designed and developed widescreens up to 3.6m in width and 10m in length incorporating the Quad-V Vibrator Unit
Following the takeover of W.S. Tyler, the British management team acquired the remaining shares in the company to become sole owners of Hewitt Robins International Ltd.
Hewitt Robins develop a modular plant design incorporating screens, feeders and crushers for complete plant set up.
Wheel mounted mobile crushing and screening plants commissioned and installed worldwide
Hewitt Robins was acquired by Tata to implement Hewitt Robins design into the Indian market and use their the huge experience and knowledge.
Self-Synchronised 2QV vibrator unit to produce linear motion screening without timing belts or gears.
The design of the biggest, heaviest duty shakeout in the world handling a total deck load of 160ton.