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Plant & Equipment, Maintenance, Crushing

Articles from CRUSHERS PLANT & EQUIPMENT (730 Articles)











Choosing the right cone crusher for your application

Not every cone crusher is equal, depending on the application, but they can be adapted for highly competitive uses.

When it comes to the three main styles of cone crushers in the aggregates market – namely the floating bowl cone, the screw bowl cone and the floating shaft cone – there is no one style that is solely and uniquely associated with a specific application.

Rather, all three types of cone crushers can work but some are more suited to some applications than others. Depending on the type of material being processed and the desired output in terms of tonnage or specification, extractive producers have the opportunity to select from any one of the three styles of cones.

Wayne van Antwerpen, the group crusher technology product manager for Terex MPS, has discussed the various cone crushers and their overall individual suitability for various applications.

“We wanted to be in a position to offer a solution for every cone crushing application requirement, while meeting the application needs of our customers with the best possible product quality and productivity,” van Antwerpen said. “With the addition of the TG series cones to our cone crusher portfolio, we are now able to do that. The TG cones series allows us to further add the versatility of bronze bushing technology to that of our current robust and efficient roller bearing cones.”

The new TG320 spider-bearing cone.
The new TG320 spider-bearing cone.
A floating bowl cone, as represented by the TC1150.
A floating bowl cone, as represented by the TC1150.

Cone types

Van Antwerpen said the floating bowl cone, which is represented by the Terex TC series, is recommended for most mining and quarrying applications, especially catering to contractors, from a secondary down to a quaternary position. “The cone design performs consistently in a secondary position with an unscalped all-in-feed,” he said. “This helps promote excellent shaped products through attrition crushing.”

The screw bowl cone, which is represented by the Terex MVP series offering, is also suited to mining and quarrying applications.

“Due to the fact that this style of cone offers the large tramp iron stroke clearance, it would be the better choice when looking for a cone in a recycle-type application where there is the possibility of smaller metal contaminants,” van Antwerpen said. “It is also well suited to high tonnage applications, and for those where large reduction ratios are required, fine/sand products are to be made, or that require strict product shape and grading requirements. The screw bowl cones can work in secondary, tertiary and quaternary positions.”

The floating shaft (spider-bearing) cone, represented by the Jaques gyracone range (roller bearings) and the newly launched Cedarapids TG cones, is also ideal for mining and quarrying applications, with similar characteristics found on the floating bowl cone. The large feed secondary TGS version of the new cone, which can accept a feed size up to 75 per cent larger than its fine version, enables positioning in a control fed primary stage for sand and gravel applications.

“The bronze bushed TG spider-bearing cones fall in-line with the other two styles of cones when it comes to applied power and productivity, but with the ability to change the eccentric throw of the cone easily and economically gives it increased application versatility,” van Antwerpen said. “If a higher yield of a specific-sized product is required, the numerous eccentric throw options can be changed to suit the application requirements.”

The new Cedarapids TG series cones consist of four models focused on the aggregate and construction industries, namely the TG120 (89kW), TG220 (164kW), TG320 (240kW) and TG420 (313kW) respectively. Each model is available in two versions: the TG (fine) and TGS (secondary). The TG style can be run in a secondary, tertiary and a quaternary position; the TGS models, which can take an approximately 75 per cent larger feed, are designed for large feed secondary positions. There are also two larger models available for large capacity mining and quarrying applications, namely the TG820 (611kW) and the TG1020 (760kW).

A screw bowl cone, as represented by the Cedarapids MVP380X.
A screw bowl cone, as represented by the Cedarapids MVP380X.

Australian commission

The first Cedarapids TG series cone — a TGS220 —has recently been commissioned on the mid-north coast of New South Wales. As Terex Jaques’ northern region sales manager Ben Willcox explained: “Our customer was looking to replace an existing Allis Chalmers S36. When a rebuild was cost prohibitive, they turned to Terex Jaques for support and we were able to offer a new TGS220 at a competitive price that met all the customer’s requirements.

“Once commissioned, this unit increased capacity, improved reduction and allowed this site the opportunity to reduce plant operating hours,” Wilcox said. “This unit also provides flexibility to adjust the stroke in the future should the plant be upgraded.”

“The new range of TG spider-bearing cones puts us in a complete class of our own in the industry with no other OEM able to offer such a diverse and extensive cone crusher portfolio,” van Antwerpen said.

Source: Terex MPS











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Wednesday, 18 September, 2019 9:31am
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