Sample Preparation

ROCKLABS®

ROCKLABS® have established itself as leaders in laboratory sample prepration, producing sample preparation equipment and reference materials for the metals and mineral industry internationally.

Established in 1969 as a commercial laboratory specialising in geochemical analysis and fire assaying, ROCKLABS started the commercial manufacture of sample preparation equipment in 1975. Certified Reference Materials were added to the range of products in 1997. SCOTT® Technology acquired the ROCKLABS business in July 2008, further extending its capabilities.

We have an experienced team of geochemists, chemists, geologists, engineers, designers and specialists in automation and robotics, giving a unique understanding of the requirements and protocols of sample preparation procedures within mining and research laboratories.

ROCKLABS philosophy is to maintain its position as the world leaders in both sample preparation equipment and in certified reference materials. Research and development of new products is therefore high priority.

Sample Preparation Equipment

ROCKLABS manufacture world-leading sample preparation equipment, automated and mechanized laboratory systems for mines and metals industries world-wide.

ROCKLABS supply specialized equipment including crushers, pulverizers, sample dividers and reference materials, for the mining of gold, silver, platinum and palladium. We export high quality and well-designed equipment to customers in more than 92 countries.

ROCKLABS offer the industry a range of standard processing equipment as well as sample preparation systems that are custom designed and built specifically to meet the requirements of the customer. They are available as mechanised or automated sample preparation systems:

  • The mechanized systems combine two or more machines built-in with minimal operator action.
  • The automated systems allow for samples to be loaded as batches with minimal or no operator involvement.
  • Robots can also be incorporated into the automated systems if required.

 Standard Equipment

BOYD® Crusher

SBYD

The ROCKLABS BOYD Crusher is the world’s first double-acting fine jaw crusher, employing jaws that can hold up to 5kg of sample and crush a 50mm sample to 2mm in a single pass.

Featuring top and bottom moving jaws, the patented design of the BOYD Crusher delivers the maximum amount of crushing, reducing samples by 25 times the original size. Characterized by ease of maintenance and cleaning and equipped with stringent safety mechanisms as standard, the BOYD Crusher reduces the time and cost associated with the crushing process.

Big BOYD® Crusher

BBYD1

ROCKLABS larger-model BOYD Crusher – the BIG BOYD Crusher - employs double-acting fine jaw crushers to process samples of up to 20kg.

The BOYD Crusher is the world’s first double acting, fine jaw crusher. Its patented design includes top and bottom- driven moving jaws, enabling the maximum amount of crushing in a single pass. The Big BOYD Crusher takes lump sizes of up to 150mm pieces and crushes them to 10mm or less in a single pass, reducing time for every sample.

Big BOYD® Crusher

BBYD2

ROCKLABS larger-model BOYD Crusher – the BIG BOYD Crusher - employs double-acting fine jaw crushers to process samples of up to 20kg.

The BOYD Crusher is the world’s first double acting, fine jaw crusher. Its patented design includes top and bottom- driven moving jaws, enabling the maximum amount of crushing in a single pass. The Big BOYD Crusher takes lump sizes of up to 150mm pieces and crushes them to 10mm or less in a single pass, reducing time for every sample.

Gravity Gold Concentrator

GGC

The ROCKLABS Gravity Gold Concentrator (GGC) delivers a more accurate analysis of coarse gold samples, resulting in higher yields and less waste.

Designed to eliminate the issues associated with achieving accurate analysis of coarse gold samples, the GGC separates out the true gold from a sample allowing for better grade control and optimisation of the production process. The GGC can take samples up to 10kg and separate out the coarse gold, resulting in a smaller sample for analysis.

Hydraulic Crusher

HDC

The ROCKLABS Hydraulic Crusher trims excess material from rock samples and drills cores prior to pulverising.

The ROCKLABS Hydraulic Crusher prepares trace metal samples prior to pulverising in a ROCKLABS Ring Mill or similar piece of equipment. It is designed to be easy to use, simple to maintain and cost-efficient to operate. The Hydraulic Crusher can trim and break rock samples or split drill cores up to 150mm in diameter. Rock samples for up to 50mm can be crushed to minus 5mm or less.


Pulverisers

Benchtop RSD

BTRSD

The Bench Top Ring Mill is a quiet and efficient pulveriser. Designed to be mounted on a work bench, it is a more compact version of the standard ring mill.

Featuring strong construction and requiring little maintenance, the Bench Top Ring Mill can be used for pulverising a variety of material from 1g - 100g for subsequent analysis by instrumental methods or wet chemistry.

Standalone

SARSD

The Standard Ring Mill batch pulveriser is used for pulverising a variety of material from 1-1000g for subsequent analysis by instrumental methods or wet chemistry.

Featuring strong construction and requiring little maintenance, the Standard Ring Mill has two clamp options available – the Pneumatic Airbag clamp and the Rotoclamp Mechanical clamp. Both are mounted with a bolt on steel bridges.

RM 2000 Mk3

RM2K

Reliable, safe and robust, the RM2000 is designed to process large samples up to 1.5kg down to -75 micron.

The RM2000 has a powder coated metal cabinet, full safety interlocks, two hand clamping procedure and Rocklab’s unique bowl clamping mechanism that does away with the need for costly rubber inserts. It also features a pneumatically operated lifting mechanism to allow the safe transfer of bowls in and out of the pulveriser.

Continuous Ring Mill

CRM

The Continuous Flow Ring Mill with built-in Rotating Sample Divider (CRM – RSD) combines pulverising and splitting into one single process resulting in increased productivity.

The Continuous Flow Ring is used for coarse pulverising of large samples for mineral separation such as Zircon dating, preparing samples for on-stream analysis, dry or slurries. Low maintenance and easy to clean, this ring mill features a continuous flow-through operation with built-in ducting of cyclone with external connection to dust extraction systems for cleaning the head.


Rotating Sample Dividers

Benchtop RSD

BTRSD

ROCKLABS Rotating Sample Dividers (RSDs) are designed to split out a representative proportion of a sample with a high degree of dividing accuracy. The design is robust and the machinery easy to operate.

The Bench Top RSD provides the same results in a compact unit designed to sit on a work bench. It can be used in conjunction with a Bench Top Ring Mill.

Standalone RSD

SARSD

ROCKLABS Rotating Sample Dividers (RSDs) are designed to split out a representative proportion of a sample with a high degree of dividing accuracy. The design is robust and the machinery easy to operate.

ROCKLABS produce RSDs in a small bench top model and a stand-alone model. The Stand Alone Rotating Sample Divider is designed to split out a representative portion of the sample – from 2% to 50%.

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 Combo Systems

BOYD®

RSD

The BOYD Crusher RSD Combo combines a double-acting fine jaw crusher with a Rotating Sample Divider for a one-step crushing and splitting process.

In the BOYD-RSD Combo, a sample is loaded into a BOYD Crusher and crushed finely before being transported to the Rotating Sample Divider (RSD) via a vibratory feeder. The RSD stands alongside the BOYD Crusher and splits out a pre-set portion for pulverising.

Continuous Ring Mill

CRM

The Continuous Flow Ring Mill with built-in Rotating Sample Divider (CRM – RSD) combines pulverising and splitting into one single process resulting in increased productivity.

The Continuous Flow Ring is used for coarse pulverising of large samples for mineral separation such as Zircon dating, preparing samples for on-stream analysis, dry or slurries. Low maintenance and easy to clean, this ring mill features a continuous flow-through operation with built-in ducting of cyclone with external connection to dust extraction systems for cleaning the head.

Smart BOYD® RSD

SBRSD

The Smart BOYD Crusher – RSD Combo has all of the unique features of the BOYD – RSD combo, but includes some automation to provide a pre-selected weight.

The Smart BOYD Crusher RSD Combo integrates the Boyd-RSD combo with a balance and a Programmable Logic Controller (PLC), to control the splitting of the sample. This provides an accurate and consistent split weight regardless of the sample input weight and ensures that the pulveriser receives the optimum weight of the sample.

Smart BOYD® LSD

SBLSD

The ROCKLABS Smart BOYD Crusher – LSD Combo combines the BOYD Crusher with a Linear Sample Divider (LSD) controlled by a Programmable Logic System (PLC) allowing an operator to pre-weigh samples and select the suitable split weights. It is capable of variable splits in one pass.

The Smart BOYD – LSD achieves a higher degree of splitting accuracy and is able to split smaller samples with the same accuracy as larger samples. The operator can select two splits of different weights as well as a retained waste sample. The Combo can be equipped with a barcode scanner, have pre-set splitting programs and retain data/sample logging details.

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 Mechanised Systems

AP 200

The ROCKLABS AP200 enables samples to be processed safely, efficiently and consistently at pre-determined specifications resulting in enhanced analytical data.

Designed to process up to 200 samples per day, the AP200 is comprised of a sample lifter, touch-screen control console, crushing-splitting tower, sample and waste removal conveyors and a Continuous Flow Ring Mill Combo with built-in Rotating Sample Divider (CRM – RSD) for pulverizing-splitting.

Timan

The ROCKLABS Timan Mechanical System features two crushing stages with a sample divider at the end in order to save time and reduce manual handling of samples.

The Timan System incorporates a Big BOYD Crusher at the front end to crush samples to 10mm and a BOYD Crusher and Rotary Sample Divider (RSD) to combine crushing and splitting in a single process. It is capable of processing 50kg 150mm NTS samples in ten minutes.The sample is collected in a sample bin, and the waste in a large sample container.

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 Automated Systems

ABM 3000

The ABM3000 is an automated batch mill that allows the operator to process up to 30 samples at a time without intervention.

The ABM3000 is fully programmable so that each sample can have its own grinding specifications as well as its own automated wash cycle to ensure no carry-over between samples. Compact, quiet (below 82 db) and easy to maintain with enhanced safety features, the ABM3000 can process up to 30 samples per batch and is suitable for almost any laboratory environment. It can also be integrated with ROCKLABS automated systems.

AP 300

The AP300 features dual systems for complete processing of blast hole, R.C. and drill core samples. System one is designed for blast hole and R.C. samples only and the second for both drill core and blast hole samples.

The two Systems have been built in a number of combinations of different modules: crushing-splitting modules, conveyor modules, pulverizing-splitting modules, sample collecting modules and a LCD touch-screen control console. Sensors are use throughout the System to control various moving components and for safety purposes.

AP 1000 R

The AP1000R Robotic System is designed to process up to 800 samples per day with an input sample weight between 800g and 10kg and a maximum particle size of 60mm.

This system has designed to produce a final product of 300g sample (particle size of 95% -75microns) plus a 300g retained sample with the balance to waste. It utilises ROCKLABS universally-accepted products including the BOYD Crusher, LSD (Linear Sample Divider and Auto Batch Mill with automated cleaning cycle. An ABB robot is used to load and retrieve sample bins from various positions within the system.

Tropicana

The Tropicana automated sample preparation system is designed to process up to 500 samples in 12 hours, and provide analytical information and weighed samples ready for fire assay.

In this high throughput, fully automated system, samples of up to 10kg are crushed, pulverised and weighed into containers (x 50g sample and 1 x 500g retained sample). The 50g sample conveyor runs into the Fire Assay Room, for further lab analysis. The 500g retains accumulates on a conveyor in the Sample Prep Room, ready to be stored or analysed if required. The process includes RFID tracking and data extraction to a LIMs System.

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