Operators usually notice the different when the crushed material is changed on a secondary crushing line or a return belt. The crusher may still be working normally even though the product or return belt has changed. One of the reasons could be that the stockpile is a lot coarser, a screening area is returning a lot more stone, or feed system is running slower all of sudden.
The night shift will check for the feed split between the crush and the screen.
If feed has been properly distributed and screen and the crushing circuit settled the CSS will be closed in small hydraulic amounts. Another production run is started with the same product but after a fresh sampling.
A human-machine interface is helpful for the operators because they can set the crusher’s setting themselves with the help of it. The machine will show some running parameters.
The secondary Crusher is usually a Jaw Crusher or Gyratory Crusher which is also the Crusher type that is behind it. The Crusher chamber and the angle of the shaft, the eccentric throw, can be changed depending on the need for producing finer product or when the Crusher is to be used in a different stage later on.
The Crusher can be delivered as a single unit or together with the customer’s feeder, screen and belt conveyors. Common ores processed with our Crushers include granite, basalt, iron ore, limestone and others that are medium to hardest type of rocks (with a Mohs hardness of 6-9).
Numbers in the table refer only to the initial guidance of the selection, but the actual production capacity cannot be guaranteed as a site output. When model selection is discussed, feed size distribution, moisture, rock strength, current capacity of the screening equipment as well as the setting at which the Crusher is intended to run have to be the starting points.
Model | Max motor (kW) | Cavity | Max feed (mm) | CSS (mm) | Nominal capacity (t/h) at CSS | ||||||||||||
19 | 22 | 25 | 29 | 32 | 35 | 38 | 41 | 44 | 48 | 51 | 54 | 60 | 64 | ||||
SS-S Series | |||||||||||||||||
SS420S | |||||||||||||||||
90 | EC | 240 | 85 | 92–115 | 101–158 | 107–168 | 114–143 | 121 | — | — | — | — | — | — | — | — | |
90 | C | 200 | 70 | 76–95 | 82–128 | 90–112 | 96 | — | — | — | — | — | — | — | — | — | |
SS430S | |||||||||||||||||
132 | EC | 360 | — | — | 126 | 138–173 | 147–230 | 156–293 | 165–310 | 174–327 | 183–344 | 196–306 | 205–256 | 214 | — | — | |
132 | C | 300 | — | 108 | 116–145 | 127–199 | 135–254 | 144–270 | 152–285 | 161–301 | 169–264 | 180 | — | — | — | — | |
132 | MC | 235 | 91 | 98–123 | 106–166 | 116–218 | 124–232 | 131–246 | 139–261 | 147–275 | 154–241 | 165 | — | — | — | — | |
SS440S | |||||||||||||||||
220 | EC | 450 | — | — | — | — | 267 | 282–353 | 298–446 | 313–563 | 334–601 | 349–524 | 365–456 | — | — | — | |
220 | C | 400 | — | 225 | 239–299 | 254–381 | 269–484 | 284–511 | 298–448 | 318–398 | 333 | — | — | — | — | — | |
220 | MC | 300 | — | — | 195 | 214–267 | 228–342 | 242–435 | 256–461 | 270–486 | 284–426 | 303–378 | 317 | — | — | — | |
SS660S | |||||||||||||||||
315 | EC | 560 | — | — | — | 349 | 368–460 | 392–588 | 410–718 | 428–856 | 465–929 | 489–978 | 525–1050 | 562–983 | 604 | — | |
315 | C | 500 | — | — | — | — | 318 | 336–420 | 353–618 | 376–753 | 394–788 | 411–823 | 446–892 | 469–822 | 504–631 | — | |
Note: Ask Sanland to check the proposed model against a feed gradation and the complete circuit before an order is placed.
Uneven feed is common in secondary crushing. The larger chamber gives the incoming rock more room at the top of the crushing zone, which is useful when the return load or feed size changes during a shift.
CSS changes as the liners wear. With hydraulic adjustment, the operator can correct the setting without relying on a long mechanical setting job. This is useful when the product begins to run coarse between planned stops.
EC, C and MC chambers are selected from the application data, not by model name alone. The review starts with top feed size, target product, reduction ratio and required capacity. The eccentric throw is checked at the same time.
The PLC/HMI puts the setting and main operating information on one screen. A positive-pressure seal keeps dust away from the bearing and lubrication areas. The crusher uses a cast-steel main frame for quarry and mine service.
Shenyang Sanland Mining Equipment Manufacture Co., Ltd., with the headquarters in Shenyang, China and founded back in 1988, is a company specializing in the production of crushed materials, screening, mineral processing and material handling equipment.
Our production bases are located in both Shenyang and Kaiyuan. We are proud to have an area of 95,000 m² covered with our facilities and more than 350 people in the team. Casting, machining, welding, assembly and testing are all done locally so that we can exert strict quality control from the very start, the selection of raw material, right through to finished equipment.
For 30 years of operation, Sanland has set up about 110 crushing production lines worldwide with capacity from 100 t/h to 3,000 t/h. In addition to fully customize equipment, we also do plant upgrading, design process, installation, commissioning and even technical support throughout the time.
Our equipment is being used in mining, quarrying and aggregate works in over 60 countries and regions such as Chile, Peru, Australia, Saudi Arabia, Russia and Southeast Asia etc. We have also provided equipment for some major names among them are BHP, Vale, CODELCO, Anglo American, ANSTEEL, Philex Mining, China Gold and HuaXion Cement.
To better reach our customers overseas, we have set up Service Center outside of Canada in Ontario. The center comes with skilled engineers onsite and spare parts warehouse 3,000 m² so that we can offer services for you anytime you need be it installation, fault finding, spare parts, etc and customer service after sales.
Before quoting a crusher, our engineers ask for the material, top feed size, target product, required tonnes per hour and a sketch of the existing circuit. Site voltage and available installation space are checked early as well.
That information is used to select the chamber and eccentric throw and to review how the crusher will connect to the feeder and screen.
For a service question, send the model and serial number, operating hours, current CSS, recent changes and clear photographs or video. This usually saves several rounds of questions and helps the technical team narrow down the cause sooner.
The drawing revision and the inspection sheet travel with the order through the workshop. Castings are checked before machining. The shaft, bushing, seal and liner-fit dimensions are then recorded at the relevant machining stages.
Once the crusher is assembled, technicians run the lubrication and hydraulic circuits, look for leaks and confirm the basic movements. A no-load test follows before packing is released.
Sanland’s management systems are certified to ISO 9001, ISO 14001 and ISO 45001.
Packing does not start from catalogue dimensions. The workshop measures the finished unit, prepares the shipping drawing and fixes the crusher to a fabricated steel skid. Bare machined surfaces are coated before the unit leaves the shop.
Small hydraulic and electrical items are tagged to the order and placed in separate cases. Loose wear parts are packed the same way. The buyer can ask for photographs or a live video check before dispatch.
Container, flat-rack or break-bulk transport is chosen from the measured packed size and the route to the site.
A Canadian granite plant selected an SS-440S for its secondary stage. The design basis supplied for the project was about 450 t/h, a maximum feed size of 450 mm and a CSS of 45 mm.
The crusher was connected to the site’s existing feeder, screen and conveyors. These figures describe that circuit only. Another granite plant may produce a different result because feed grading, moisture, liner condition and screen efficiency will not be identical.
Q1: What causes output changes on a secondary‑crushing line?
A1: Coarser stockpile, higher screen return or sudden slow‑down of the feed system.
Q2: Can one secondary crusher fit different crushing stages?
A2: Yes. Adjust crushing chamber, shaft angle and eccentric throw for varied requirements.
Q3: What factors decide actual crusher onsite capacity?
A3: Feed gradation, moisture, rock strength, screen capacity and crusher closed‑side setting.
We are a professional manufacturer of mining machinery, specializing in the R&D and production of cone crushers, jaw crushers, and other mining crushing equipment. All equipment is manufactured and quality-controlled within our own production system, allowing us to directly address customer requirements and minimize intermediate links.
Yes. Our products can be supplied with internationally recognized certifications such as CE upon customer request. Our production processes strictly comply with quality management system requirements, ensuring that all equipment meets applicable safety and performance standards for export markets.
For standard models, we typically maintain a stable production cycle and complete delivery within 30 days. For customized configurations or special operating conditions, the lead time will be confirmed based on the specific solution. A clear production and delivery schedule will be provided upon order confirmation.
For complete machinery, the MOQ is generally one unit. For wear parts and accessories, the MOQ can be confirmed based on the specific model and requirements—please feel free to consult us for details.
Prior to shipment, all equipment undergoes anti-rust and anti-moisture treatment. We typically adopt wooden crates or reinforced packaging to ensure safe delivery during long-distance sea or land transportation.
We offer flexible shipping solutions including sea freight, land transportation, or multimodal transport, and we cooperate with customers or their designated freight forwarders to manage container loading and dispatch arrangements.
We generally support commonly used international payment methods such as T/T (telegraphic transfer). Specific payment terms can be negotiated based on the order value and cooperation circumstances.
Yes. We offer customized production and OEM services to meet specific customer requirements, including adjustments to equipment structure, technical parameters, and logo/branding customization.
Prior to order confirmation, we can provide product specifications, technical descriptions, application recommendations, and relevant images or documentation to help customers gain a thorough understanding of equipment performance and make informed procurement decisions.
