What Triggers The Lubrication Station Automatic Shutdown?

The lubrication station PLC monitors oil flow continuously. Shutdown is triggered if oil flow drops below the minimum threshold – caused by pump failure, filter blockage, or a leak in the supply line. The dual-pump arrangement means a single pump failure triggers a switch to the backup pump rather than immediate shutdown; the operator is alerted […]

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Can Spindle Speed be Adjusted While The Machine is Running?

Spindle speed is set via the drive motor frequency converter (VFD) and can be adjusted from the control panel while the machine is running. Increasing speed raises tip velocity, producing a finer product with higher fines content; reducing speed shifts output coarser with less fines. Speed adjustment is the primary tool for matching the VSI6X […]

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What Causes Rotor Wear and How Often do Wear Parts Need Replacing?

In rock-on-rock mode, the autogenous lining protects the rotor tips and passages, so metal wear is low – rotor tip liners typically run 200–500 hours on abrasive feed. In rock-on-iron mode, wear is higher and anvil tiles need more frequent inspection. We recommend weekly wear part checks and planning tip liner rotation at 200-hour intervals. OEM […]

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What is the Difference Between a VSI Sand Maker and a Cone Crusher for Producing fine Aggregate?

Cone crushers produce size reduction by compression – effective for secondary and tertiary crushing but they generate elongated, flaky particles and limited fines. VSI sand makers produce size reduction by high-velocity impact – breaking along natural cleavage planes to create cubical particles and a high proportion of 0–5 mm sand. For manufactured sand production and aggregate shape […]

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Is the Stone Box Crusher Suitable for Wet or Sticky Feed?

Moderate moisture content (up to approximately 8–10%) is handled without significant performance loss. Highly wet or sticky material – clay-bound feed, wet coal, or saturated demolition waste – can cause material build-up on the rotor and chamber walls, reducing throughput and increasing cleaning frequency. For consistently wet feed, discuss feed pre-conditioning or a wet-tolerant crusher design with […]

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How is the Discharge Size Adjusted?

Discharge size is set by adjusting the gap between the hammer tips and the bottom discharge grate or breaker plate. Adjustment requires the machine to be stopped. For applications requiring frequent size changes, plan adjustments during scheduled maintenance windows. The adjustment mechanism is accessible through the side inspection doors without removing the rotor.

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Can the Stone Box Crusher Process Materials Harder than 300 MPa?

The rated material limit is 300 MPa compressive strength. Above this, hammer and liner wear increases significantly and operating cost rises sharply. For consistently hard feed – quartzite, high-silica granite – a jaw crusher or cone crusher secondary stage is more economical. If your material is occasionally above 300 MPa, contact us with your feed data for […]

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What is the Difference Between a Stone Box Crusher and a Standard Impact Crusher (PF series)?

The Stone Box Crusher uses a fully enclosed rigid box-frame that provides greater structural stiffness in a more compact footprint than the PF series, making it better suited to mobile mounting and space-constrained installations. The PF series uses a larger, open-profile frame optimised for easy maintenance access and higher peak throughput in fixed installations. Both […]

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Can the Discharge Size be Adjusted Without Stopping the Machine?

Grate bar spacing adjustment requires the machine to be stopped and the rotor to be at rest. Plan discharge size changes during scheduled maintenance windows. For applications where product size must change frequently (e.g., alternating between coarse and fine aggregate products), a jaw or cone crusher with hydraulic CSS adjustment is a more flexible alternative.

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