Saltar al contenido
PTI LATAMExplorar Portal
🇲🇽 Español🇺🇸 English🇧🇷 Português
Minería

Cone Crusher

A compression crushing machine that reduces rock by squeezing it between a gyrating conical mantle (head) and a stationary concave bowl (liner) — the gap (closed-side setting, CSS) determines the maximum product size. The eccentric mechanism causes the mantle to oscillate (gyrate) inside the bowl without rotating, progressively crushing material as it moves through the narrowing annular gap. Applications: secondary crushing (CSS 25-50 mm, reducing primary crusher product to <50 mm) and tertiary crushing (CSS 6-25 mm, producing aggregate or mill feed). Product sizes: typically 10-50 mm. Capacity: 50-3,000+ t/h depending on size and CSS. Cone crusher types: standard (secondary), short-head (tertiary/fine), and high-performance (GP, HP — optimized cavity profiles). Wear components (replaced periodically): manganese steel mantles and concaves (12-18% Mn austenitic steel that work-hardens under impact — Hadfield steel, 200 HBN initially, work-hardening to 500+ HBN). Rubber components: feed hopper linings, discharge chute linings, V-belt drives (4-12 belts on large units), dust seals, and anti-vibration mounts. Brands: Metso Outotec (GP, HP series), Sandvik (CH/CS series), and FLSmidth. Per ISO 21873 for mobile crushers.

What you need to know

  • A compression crushing machine that reduces rock by squeezing it between a gyrating conical mantle (head) and a stationary concave bowl (liner) — the gap (closed-side setting, CSS) determines the maximum product size.
  • The eccentric mechanism causes the mantle to oscillate (gyrate) inside the bowl without rotating, progressively crushing material as it moves through the narrowing annular gap.
  • Applications: secondary crushing (CSS 25-50 mm, reducing primary crusher product to <50 mm) and tertiary crushing (CSS 6-25 mm, producing aggregate or mill feed).
  • Product sizes: typically 10-50 mm.
  • Capacity: 50-3,000+ t/h depending on size and CSS.

Full definition

A cone crusher is a type of compression crushing machine widely used in mining and aggregate industries to reduce the size of rock materials. It operates by squeezing rock between a gyrating conical mantle and a stationary concave bowl, also known as a liner. The gap between these two components, known as the closed-side setting (CSS), is crucial as it determines the maximum size of the output product. The eccentric mechanism enables the mantle to oscillate within the bowl without rotating, allowing for the progressive crushing of materials as they move through the narrowing annular gap. This design is effective for secondary and tertiary crushing applications, with typical CSS settings ranging from 25-50 mm for secondary crushing and 6-25 mm for tertiary crushing, producing material sizes generally between 10-50 mm.

Cone crushers are categorized primarily into standard (secondary), short-head (tertiary/fine), and high-performance variants such as GP and HP series. Each type is designed for specific applications, with high-performance models featuring optimized cavity profiles for improved efficiency and product quality. The capacity of cone crushers can vary significantly based on their size and CSS, with outputs typically ranging from 50 to over 3,000 tons per hour. The wear components of a cone crusher include mantles and concaves made from manganese steel, specifically 12-18% Mn austenitic steel, which is known for its work-hardening properties under impact, starting at approximately 200 HB and hardening to 500+ HB during operation.

In addition to wear components, cone crushers utilize various rubber components such as feed hopper linings, discharge chute linings, V-belt drives (which can have 4 to 12 belts on larger units), dust seals, and anti-vibration mounts to enhance operational efficiency and reduce maintenance needs. The design and operation of cone crushers are governed by standards such as ISO 21873, which outlines the requirements for mobile crushers, ensuring safety and performance across different applications. Leading brands in the market include Metso Outotec, Sandvik, and FLSmidth, offering a range of models to meet diverse crushing needs.

What you need to know

  • Cone crushers reduce rock size through compression, typically producing material sizes of 10-50 mm.
  • The closed-side setting (CSS) is critical, with ranges of 25-50 mm for secondary and 6-25 mm for tertiary crushing.
  • Wear components include manganese steel mantles and concaves that harden under impact, reaching 500+ HB.
  • Capacity varies widely from 50 to over 3,000 t/h, depending on the crusher size and CSS.
  • Common brands include Metso Outotec, Sandvik, and FLSmidth, which provide various cone crusher models.

Industrial applications

  • 1Used in secondary crushing to reduce primary crusher output to less than 50 mm.
  • 2Employed in tertiary crushing for producing aggregates or mill feed with sizes under 25 mm.
  • 3Applied in quarries for efficient rock size reduction in the aggregate production process.
  • 4Utilized in mineral processing to prepare ore for further processing or extraction.

Common mistakes

  • ✕Incorrectly setting the closed-side setting (CSS), leading to oversize product output.
  • ✕Neglecting regular inspection and replacement of wear components, causing inefficiencies.
  • ✕Failure to properly maintain V-belt drives, resulting in belt slippage and reduced performance.
💡

Pro tip

Regularly monitor the CSS and adjust as necessary to maintain optimal product size and reduce wear on components.

Technical standards

  • ISO 21873 - Standard for mobile crushers, outlining performance and safety requirements.

Suppliers of mining products in Mexico

AguascalientesVer Bandas Industriales
Ciudad JuárezVer Bandas Industriales
Ciudad de MéxicoVer Bandas Industriales
GuadalajaraVer Bandas Industriales
Cotiza en tu ciudad

Applicable standards

ISO 21873
Back to glossary