Special Promotion on Gundlach Model 3030 Roll Crushers

We are now running a special promotion on two Gundlach model 3030 roll crushers that we currently have in stock!

These brand new, never-used units are ideal for the reduction of coal, potash, lime, soft limestone and gypsum, as well as other soft minerals. Up to 300 STPH can be attained when producing a typical 2" X 0" output size. The units are equipped with our...


Four Common Problems Created By Feeding Crushers Improperly

While there are many different types of crushers available, when feeding a crusher of any kind, the feed material should enter the crusher at a consistent rate, in a manner which spreads the material over all the crusher components and at the proper angle.

To meet these requirements, a mechanical feeder is usually required. TerraSource Global manufactures many...


How to Keep Your Reclaim Screws Operating at Highest Efficiency

There are several things to keep in mind when rebuilding or replacing your circular or linear reclaim screws.

The first thing to consider is that each screw is designed by the OEM for a particular application, including the material reclaimed, discharge rates and the geometry of the silo or A-frame building. Failure to stay within the OEM design parameters for the...


Where Posimetric® Feeders are Used

Posimetric® Feeders can handle most bulk materials, including Coal, Sand, Culm, Roofing Granules, Biomass, Limestone, Crushed Stone, Wood Chips, Shale, Cereal and Grain, among others, and a broad range of bulk densities, whether wet, dry, lumpy, sticky, abrasive and/or granular. 

Nearly 400 of these machines are in operation around the world. Because of its...


The Four Basic Crushing Methods

No matter what material you need to reduce — whether it is coal, potash, wood, waste, glass, etc. — there are four basic ways to reduce it. Size reduction equipment is made to crush materials by impact, attrition, shear, compression or a combination of these crushing methods.

In crushing terminology, impact refers to the sharp, instantaneous collision of one moving...


How to Measure Relative Abrasiveness of Rocks, Minerals and Ores

There are many ways to determine the abrasiveness of your specific material. This information is extremely important when it comes to selecting the proper crusher or feeder for your application, because you need to choose one that can stand up to the abrasive action of your specific material.

First, you can rely on prior experience. There are obvious risks with this...


Meet our Representatives - The Tennant Company

The Tennant Company, a sales representative firm founded by Joseph A. Tennant, has been serving the Texas and Louisiana Gulf Coast areas since 1912. Their seven sales engineers have more than 180 years of experience selling engineered equipment with more than 110 of those years at The Tennant Company. Currently based in both Houston and Dallas/Fort Worth, their team...


Why the Proper Sizing of Wood Chips is Important – How to Produce Fewer Rejects

Having wood chips of the right size helps to produce a more uniform cook in a digester, to reduce reject amounts and to better utilize the chemicals required for the pulping process. Whereas chips that are too large may require more chemicals or longer cooking, chips that are too small can become overcooked. This is inefficient and can prove to be costly.

So how do...


Top 10 Questions to Ask When Selecting a Crusher

Selecting a crusher for your application is not a decision that should be taken lightly. There are a lot of important things to consider when planning to replace your old crusher or to start up a new site.

This is a list of the top 10 questions you need to ask when selecting the proper crusher for your application:

  1. Will it produce the desired output size and...


How to Provide the Best Sample for Crusher and Feeder Testing

When considering purchasing equipment, it is always advised that you test that equipment with a sample of your materials. We are happy to test your materials on our crushing, feeding and screening equipment at our Demonstration & Development Center (DDC) in Duncan, SC, USA. 

However, it is important that you provide a truly representative sample of your material to...


Meet our Representatives - APA Inc.

APA, Inc. was founded in 1982 to provide professional technical sales representation for engineered equipment in heavy industrial markets including: electric utilities, mining, pulp & paper, refineries, steel-aluminum, coke, cement, major OEM’s and engineering firms. Working out of APA’s office in Cincinnati, Ohio, their territory includes Ohio, Kentucky, West...


The Importance of Using OEM Parts In Your Crushers, Feeders and Material Handling Equipment

The primary goal of maintaining your heavy industrial equipment is to mitigate the consequences of failure of equipment. Replacing parts that show wear helps to preserve and restore equipment reliability and prevent equipment failure. 

TerraSource Global’s three brands of equipment (Gundlach Crushers, Jeffrey Rader and Pennsylvania Crusher) are in use in some of the...