Rocklabs Mid Boyd LSD testing in a laboratory setting

Extremely accurate results, every time

The Rocklabs divider range is designed from the ground up to provide extremely accurate results. Our  sample dividers split out representative portions of the sample to provide best practice, unbiased and proportional subsampling with adjustable split ratio and either single or duplicate outputs.

Taking a representative split is not as simple as many believe. Rolling on a mat, multiple grabs or riffle splitting do not produce accurate results. Rocklabs sample dividers are able to take accurate, representative splits of any proportion from 2-50%.

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Unlock the edge in your lab with our range of sample dividers

Rotating sample dividers are part of our standard equipment range and come in either a standalone or bench top version. They can also be paired with our Rocklabs Crushers including our Boyd range to provide a crusher and splitter combination system.

Standalone Rotating Sample Divider
Rocklabs Standalone Rotating Sample Divider
Standalone Rotating Sample Divider

Divide large inputs up to 25kg with the accurate Standalone rotating sample divider. The Rocklabs Standalone RSD (Rotating Sample Divider) is designed to split out a representative portion of the sample with a proportion of 2-50%. The Standalone RSD features sealed bearings and two splitting options.

Options available include:

  • Single split and remainder
  • Duplicate split and remainder with bypass bin available

Benefits

  • Robust design
  • Easy operation
  • Dust extraction port
  • Two splitting options
Download specification sheet
Standalone Linear Sample Divider
Rocklabs Standalone Linear Sample Divider
Standalone Linear Sample Divider

Divide samples exactly as desired with the accurate Standalone linear sample divider. offering significant Smarts and advantages over traditional splitting methods.

The Rocklabs Standalone LSD is designed to split up to four representative portions of the sample ready for the next analytical process. The Stand-Alone LSD features an HMI, weigh scales and a servo-driven splitter which can be configured to split to the desired mass or percentage.

Configurable Options available include:

  • Two to Four splits, plus waste
  • L.S.D Drawer can accept:
    • Split bins, ABM3000 Cups or Chrysos cups, with bypass bins available
    • Waste Bin (Or Waste bypass & feeder option)

Benefit of the Standalone LSD include:

  • Superior accuracy and consistency, through weighing input sample.
  • Multiple programmable recipes for % or exact mass splits
  • Split into containers ready for next stage: pulverising, analysis, or archive
  • Robust design
  • Smart operation
  • Raiser Frame for ergonomic unloading
  • Dust extraction port & self-cleaning features 

This machine is typically made to order, so please contact Rocklabs to discuss your specific requirements.

Benchtop Rotating Sample Divider
Rocklabs Benchtop Rotating Sample Divider
Benchtop Rotating Sample Divider

The Rocklabs Benchtop RSD (Rotating Sample Divider) is designed to be placed on a work  bench and can be used in conjunction  with a Benchtop Ring Mill. 

Featuring sealed bearings, the Benchtop RSD takes a representative split of any proportion from 2-50%.  Get a representative split of the  sample and remainder.

  • Compact and robust design
  • Easy operation
  • Sealed bearings
  • Two representative splits
Download specification sheet
Smart Mid Boyd RSD
Smart Mid Boyd RSD Hero
Smart Mid Boyd RSD

The Rocklabs Mid Boyd RSD is the world’s first double-acting fine jaw crusher, employing jaws that can hold up to 7kg of sample and crush a 100mm sample to 2mm in a single pass.

Featuring top and bottom moving jaws, the design of the Rocklabs Mid Boyd delivers the maximum amount of crushing, reducing samples by 50 times the original size. Characterised by ease of maintenance and cleaning and equipped with stringent safety mechanisms as standard, the Mid Boyd reduces the time and cost associated with the crushing process.

  • Input Size - up to 7kgs of sample
  • Low Maintenance
  • Minimal Down TimeImproved Dust & Chip Control
  • Health & Safety Improvements
  • High Chrome Iron wear plates resistant to abrasion
DOWNLOAD THE SPECIFICATION SHEET
Smart Mid Boyd LSD
Smart Mid Boyd LSD Hero
Smart Mid Boyd LSD

The Rocklabs Smart Mid 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.

Available in both Single and Twin Crusher configurations, with a Console & Weigh Scale.

The combo can be equipped with a barcode scanner, have pre-set splitting programs and retain data/sample logging details.

  • No manual split adjustment
  • Less operator input
  • Optional waste feeder
  • Sample can be discharged in specialised container (Chrysos, ABM etc.)
DOWNLOAD THE SPECIFICATION SHEET
Rocklabs Boyd Elite Rotary Sample Divider testing

How efficient and consistent are Rocklabs crushers?

Scott recently had the privilege of obtaining a comprehensive performance test report for our Boyd crusher and sample dividers. This test was conducted against one of our main Competing Crusher Machines (CCM) by
Professor Emeritus Richard Minnitt, a globally recognised expert in sample preparation, at an SGS laboratory in Perth, Australia. We believe that the report has provided valuable insights into our equipment's capabilities.

Key results:

  • Mid Boyd exhibited a faster average crushing rate on all percentages passed compared to the CCM machine
  • For the Boyd-LSD, a paired two-sample t-test on 24 samples showed sample masses of 350.56g for LHS and 350.81g for RHS, with precision rates of 1.15% and 1.11% respectively.
View the whitepaper
Rocklabs Boyd Elite Rotary Sample Divider

How the Boyd Elite rotary divider outperforms traditional splitting

We recently reviewed an experimental validation report conducted by Professor Emeritus Richard Minnitt, a globally recognized authority in the Theory of Sampling, which puts our Rocklabs Boyd Elite Rotary Sample Divider (RSD) to the test against the industry-standard riffle splitter. This study provides a data-driven look at how systematic mechanical splitting delivers the compositional representativeness required for high-stakes analytical work.

Read the whitepaper
Rocklabs service technician inspecting laboratory equipment

Support that’s ready when and where you are

Our solutions are designed and built with greater durability and less complexity to mitigate downtime risk. But since not all mining laboratories are easily accessible, we make sure that our parts, components and service teams are, so you have peace of mind that if you need help, our global support network is standing ready. 

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