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P&Q University Lesson 9- Washing & Classifying Posted on 10 Sep 2015 in the Pit & Quarry University categories.

Materials engineers constantly strive to improve concrete and bituminous mixes and road bases, and clean aggregate is a vital part of that effort. Yet, aggregate producers often find it difficult... Read more»

Bucyrus-Erie bulldozer, bullgrader work in tandem Posted on 08 Sep 2015 in the Featured Video & Video categories.

In this archived video, a Bucyrus-Erie bulldozer and bullgrader are working in tandem. This video was was compiled, narrated and produced by Keith Haddock for the Historical Construction Equipment Association. Read more»

Cones offer fast adjustment of closed-side setting Posted on 21 Aug 2015 in the Aggregate Equipment categories.

REMco offers the PROcone series of cone crushers for secondary and tertiary crushing applications. It features a rugged cast mainframe, bronze eccentric and mainframe bushings. The crusher boasts a large... Read more»

Bucyrus-Erie “Doubler” electric shovel Posted on 18 Aug 2015 in the Featured Video & Video categories.

The Bucyrus-Erie “Doubler” electric shovel doubled the dipper capacity of a standard shovel. The 150-B in this video featured a 13-cu.-yd. dipper when equipped with the Doubler. However, the Doubler... Read more»

Fifth-generation features larger breaker capability Posted on 14 Aug 2015 in the Aggregate Equipment categories.

Breaker Technology Inc.’s maintenance-friendly NT-E Series Rockbreaker System features robust connections, compact pedestal mounting and common cylinders. Its increased strength and optimized hydraulics allow the NT line to support a... Read more»

P&Q University Lesson 8- Screening Posted on 10 Aug 2015 in the Pit & Quarry University categories.

Aggregate material is separated into sizes through the use of screens. In most crushed-stone operations, this process occurs after the shotrock has been processed by a primary crusher. The role... Read more»

P&Q University Lesson 7- Crushing & Secondary Breaking Posted on 05 Aug 2015 in the Pit & Quarry University categories.

In the quarry, crushing is handled in four potential stages: primary, secondary, tertiary and quaternary. The reduction of aggregates is spread over these stages to better control the product size... Read more»

Impact crusher designed for versatility in the field Posted on 31 Jul 2015 in the Aggregate Equipment categories.

McLanahan’s Next Generation Secondary (NGS) impact crusher is designed to reduce downtime for adjustments, require fewer wear parts to inventory, and be modified in the field to accommodate changes in... Read more»