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This article presents just a few examples of specialty mixing equipment used in plastics processing. Mixer selection is always formulation-dependent so partner with a reliable mixer supplier offering testing resources to validate a particular mixing strategy. For established processes, a careful re-evaluation of the mixing procedure will often reveal achievable steps for reducing not only cycle time and energy consumption but also waste/rejects, labor cost, cleaning and maintenance.

Polyvinyl alcohol solutions

The start of 2016 has seen major developments in the concrete paving sector - Mike Woof writes So far in 2016 there have been several major developments in the concrete paving equipment market. Many of the key players have introduced new models, broadening their ranges of machines on offer. US firms continue to dominate this niche area of the construction equipment market, with one European company being the only other major international player. At least two Chinese manufacturers have unveiled concreteThe description of the equipment and process may not reveal the significant role that the asphalt milling machine plays in road construction, but it is key.
The asphalt milling machine — also known as a cold planer, pavement planer, pavement recycler, or roto-mill — is a construction machine used to remove bituminous pavement or asphalt concrete from roadways. The result is a somewhat rough but even surface that can immediately be opened to traffic.

The milled surface is accomplished by bringing a rotating mandrel or “head” into contact with the

In the 1970’s, Galion Iron Works, based in Galion, Ohio, manufactured the first production road milling machines, which were called Galions. These first units resembled motorgraders in shape and size. The difference was there was a 30-in. wide (76 cm) milling head where the scraper blade would normally be. The cutter drum was set into action by a large hydraulic pump.

Asphalt milling is the process of grinding up asphalt that can then be recycled. The process came about because many streets were getting layered higher and higher as new surfaces were added, thus reducing the curb height and creating roadway drainage problems.

There is no question that the technological advancements made in microelectronics have benefited road milling machines. Electronics designed to improve performance, include electronic sensors and a built-in cross slope. A pair of sensors can read a variety of references from 12 to 55 in. (30.5 to 140 cm) directly below the bottom of the sensor. Each sensor can be calibrated and adjusted from the ground level or at the operator’s console.