One size doesn't fit all and it doesn't have to. Why move from an MK I to II to III? Create your very own MK X. Mix and match gyratory crusher upgrades to suit your unique goals and desired investment levels. Maximizing and extending the life of your crusher components allows for a more sustainable operation overall.
Upgrade your primary gyratory to the nXt level
More sustainable operations
Reduced power consumption and less waste from maximized component lifetime
Increased uptime
Shorter and fewer maintenance stops
Optimized capacity
Adding extra production capacity
Lower maintenance costs
Simpler maintenance
nXt level Production
Primary gyratory crushers are the initial driving force for the mineral processing circuit. Adding extra production capacity can have significant effects downstream. Metso has introduced advancements that bring increased speeds, higher installed power and mechanical improvements – all designed to provide you with next level production.
The features are available in the Superior® MKIII, but you can also achieve those same benefits with your previous generation crusher through integrating one or all of our three production upgrade options.
nXt level production upgrades mean:
- optimizing haulage plans
- providing the most efficient energy consumption
- reducing down/idle time
- a more sustainable operation
View the production upgrades below.
Arched / super spider
REDUCED BRIDGING DOWNTIME
The Arched Spider geometry changes the available feed opening for better flow of material into the crushing chamber, reducing bridging and increasing productivity. The Super Spider builds further on these improvements by increasing the feed opening.
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Speed increase
MORE CAPACITY
Increasing the speed and horsepower of the drive motor facilitates higher throughput ability of the crusher. To provide a complete package for long term production, this solution typically involves upgrades to lubrication and cooling systems, along with internal operating parts.
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Mainshaft positioning sensor
BETTER PROTECTION
The mainshaft positioning sensor (MPS) probe enables operators to monitor and adjust mainshaft position to compensate for wear parts quickly and efficiently. Data of mainshaft position can be used to determine wear rates along with providing feedback if mainshaft position is dangerously high or low in its operating range.
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nXt level Reliability
If your first stage of crushing is not performing, it will have effects throughout all mineral processing stages. This makes reliability a key concern. Metso has developed five upgrade options that not only minimize wear but also help to ensure a long and productive life for your crusher and its key components while reducing the volume of parts and minimizing waste. Less waste and parts needed mean a more holistic and sustainable operation.
View the reliability upgrade options below.
Shimmed spider bushing
REDUCED WEAR
The shimmed spider bushing comes standard with more robust metallurgy to stave off wear that can be detrimental to components throughout the crusher. A key feature to the bushing is its shimable design that compensates for wear to the spider bushing bore. This allows for long term operation and planning for future repairs once all shims are removed.
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Pinion bearings
LONGER LIFE
The re-designed pinion bearings are capable of higher load handling as well as increased operating speed. This upgrade brings benefit alone, however it becomes more critical if you are considering a speed or production upgrade in the future.
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Large upper journal mainshaft & sleeve
INCREASED STRENGTH
Through design changes, the crusher mainshaft has undergone numerous updates in geometry and manufacturing methods. This combination of changes have increased the strength of the mainshaft by up to 70%. Increased strength improves long term reliability of your machine for current operation and future production increases.
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Balance cylinders
ADDED FLEXIBILITY
Over the life of a mine, changes to operation or ore characteristics can lead to the need for increased balance cylinder capacity. Proper balance cylinder capacity keeps internal crusher components in proper alignment during tough crushing events. This allows your machine to continue operating at peak efficiency for reliable long term operation.
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Offset eccentric gear
LONGER WEAR LIFE
The offset eccentric gear allows for better gear to pinion contact, which in turn distributes the load across the complete tooth. This provides for longer wear life and better power distribution.
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nXt level Maintenance
As equipment ages, production efficiency and reliability can decline. Proper maintenance is key to reduce the signs of aging to ensure that your production goals are met. Maintenance can be a costly and labor-intensive job, which is why Metso has engineered six upgrades to simplify and speed up these tasks.
nXt level maintenance upgrades can help lower downtime and require less man-hours needed to perform operations necessary to keep equipment performing at peak level. More uptime means a more efficient and sustainable operation.
View the maintenance upgrades below.
Exterior gear backlash adjustment
SIMPLIFIED PROCESS
This upgrade allows for quicker maintenance thanks to the ability to now adjust the gearing backlash outside of the crusher. The result is a simplified, faster, and safer process for all involved.
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Pinion bearing & oil level sensors
IMPROVED PLANNING
With sensors built-in, you now have the capability to monitor the pinion shaft assembly. This increased visibility allows for better maintenance planning as you can now get ahead of potential issues.
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Check the video
Rotable top shell
Maximized uptime
This solution saves time as you do not need to install concaves during shutdown. Fewer components are being lifted during the outage period, allowing for maintenance to be done in a more controlled and safe environment. During the shutdown, the shells are separated (optionally with hydraulic shell separators), lifted, and replaced with the relined shells. Learn more about Rotable Top Shell
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Hydraulic shell separators
FASTER REMOVAL WITH LESS MANPOWER
These easy to install kits allow for faster and safer separation of spider and top shells minimizing needed maintenance manpower during component removal. Hydraulic jacking components are used at each shell separation reducing the downtime for their removal.
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Spider bushing auto lube
CONSISTENT LUBRICATION
Improvements to spider lubrication systems have provided a more maintenance friendly alternative to previous generations. New systems have integrated lubrication level sensing into the spider cavity providing feedback to automatically replenish oil to the spider cavity as needed. Built-in alarms to the system will alert maintenance personnel to potential issues.
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Flow meter stations
MONITORING CAPABILITIES
Flow meter stations on your primary gyratory provide insight into the health of the lubrication system and assures monitoring of lubrication flow into the machine.
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