Get FinancingSandvik Launches First 3-Series Crusher: The Versatile QI353 Brings Productivity & Safety Enhancements
Swedish mining equipment manufacturer Sandvik has launched the initial crusher in its New 3rd Generation 3-Series. Designed for quarry, recycling, and contractor applications, the QI353 is a midsize, tracked, impact crusher developed using Sandvik customers’ feedback. The manufacturer says it has a class-leading large feed opening and rotor diameter, as well as a free-flowing feed system that reduces blockages and maintains productivity.
The QI353 is also built for versatility, user safety, and uptime. At the same time, its new Optik automation system and connectivity make operation and data collection easy, according to Sandvik.
Class-Leading Features
The QI353 can process up to 441 tons (400 metric tons) of material per hour. Its foundation is a new, custom Sandvik Prisec HSI impact crusher. The manufacturer says the Prisec has the largest feed opening in its class, at 46 x 29 inches (1,170 x 730 millimeters) and the largest rotor diameter at 45 in. (1,150 mm). The crusher’s maximum feed size is 28 in. (700 mm). Sandvik says it’s equally at home in primary and secondary applications.
Sandvik built the QI353 with a load-sensing feed arrangement with a path that gets wider as it progresses through the machine. This tapered feed works with a new feed hopper with curved sides to minimize blockages, maintain crushing productivity, and increase capacity.
The crusher also comes with a new, gear-driven pan feeder and a larger pre-screen. The double-deck pre-screen can remove and discharge fines to either side of the machine to prevent contamination and wear. The QI353 can produce a broad range of gradations by adjusting its tip speed and apron curtain settings. Sandvik elevated the crusher’s conveyors to discharge at greater heights to support taller stockpiles of material.
Split Screening Option
Sandvik designed a brand-new, modular track platform for the QI353. A 415-horsepower (310-kilowatt), EU Stage V C9.3B engine powers the mobile crusher with high fuel efficiency and low emissions. The manufacturer extended the unit’s service intervals and gave it a 15% larger fuel tank that holds 200 gallons (760 liters). Sandvik also says the QI353 can use up to 64% less hydraulic oil over a 10,000-hour period.
An optional HS323 hanging screen module allows the crusher to operate as an open or closed circuit, capable of producing multiple screened products with oversize material being recirculated back through the feed path. The hanging screen can be set up in half an hour to turn the crusher into a one-, two-, or three-way split screener for sizing and stockpiling up to three sized products.
The QI353 has a transport length of 46.1 ft (14 m), a width of 10.5 ft (3.16 m), and a weight of 100,310 lbs (45,500 kg). With the hanging screen installed, the unit’s weight and dimensions are significantly greater at up to 60.7 ft (18.3 m) long, 11.75 ft (3.58 m) wide, and 123,240 lbs (55,900 kg) in weight.
Operation & Safety
Sandvik touts the QI353’s Optik automation system with its more intuitive user experience and simple controls. The system includes a color display, simple navigation, and helpful troubleshooting, diagnostics, and support features.
Optik is integrated with Sandvik’s My Fleet telematics solution for remote monitoring of mobile crushing and screening equipment. My Fleet supports optional belt scales for the QI353 which can report productivity data remotely as well as to the operator’s display. The crusher comes with a 7-year subscription to My Fleet.
For safety during maintenance, the QI353 features Sandvik’s patented rotor turning and locking device. A four-key system, a lifting jib, a chain hoist, and a lifting cradle make inspections and hammer rotation, removal, and installation far safer. The machine has a three-sided service and maintenance platform along with a new access platform beneath the pre-screen and feeder. The conveyors and height-adjustable overband magnet can be lowered to ground level for safer service and inspection.
Source: Sandvik