Mantle

Forms the inner crushing face and defines the chamber together with the bowl liner.

Mantle

Mantle (Mantle / Head Liner)— Cone Crushers Wear part, position 01.

Installation and Function

Installation PositionMounted on the outside of the crusher head, labelled Mantle in FLS section B.
Main FunctionForms the inner crushing face and defines the chamber together with the bowl liner.
Replacement FrequencyHigh replacement frequency; assess minimum permitted thickness, wear-through risk, chamber profile changes and changes in capacity or product shape.

Materials and Mechanical Properties

ItemDetails
Material OptionsAustenitic high-manganese cast steel such as Mn18Cr2 or Mn22Cr2; OEM-approved composite-reinforced high-manganese steel may be suitable for specific duties
Typical Properties and Acceptance CriteriaKey requirements are solution-treated microstructure, impact toughness, work-hardening in service and retention of the chamber profile. Verify chemical composition, grain-boundary carbides, casting defects, profile dimensions, mounting faces and lifting devices. High abrasiveness alone does not justify switching to brittle high-chromium white iron without validating the duty. Material changes also require assessment of feed grading, power, liner wear curves and cost per tonne.
Principal Failure MechanismSliding or three-body abrasion, localized impact and cracking around fastener holes

Material and Design Considerations

  • Identify material hardness, particle size, abrasiveness, moisture, temperature, pH, impact and tramp material;
  • High hardness does not replace core toughness, fatigue strength, corrosion resistance or high-temperature performance;
  • For composite, hardfaced, ceramic and elastomer designs, assess substrate bonding, edge protection, fastening and maintainability;
  • For parts that mate with shafts, gears, seals, roll surfaces or housings, control fits, tolerances, surface finish and assembly clearances together;
  • Assess material upgrades using cumulative throughput, dimensional wear, failure modes, product quality and downtime costs.

Required Ordering / RFQ Information

  • Equipment manufacturer, machine model, serial number, part number and latest drawing revision;
  • Part dimensions, unit weight, key tolerances, assembly and fastening method;
  • Current material, chemical composition, heat treatment, hardness and mechanical property reports;
  • Processed material, maximum particle size, hardness/abrasiveness, moisture and tramp material records;
  • Speed, load, temperature, pressure, process medium chemistry and continuous operating time;
  • Failure photographs, wear measurements, crack/fracture locations and current service life;
Materials and values are for preliminary engineering selection. Final chemical composition, heat treatment, hardness and dimensional tolerances must follow the OEM drawings and technical agreement.
Related Equipment and Materials

Equipment, Materials and OEM Identification

Use these links for preliminary selection. Confirm the complete model, serial or drawing number, drawing revision, dimensions and actual operating conditions to establish fit.

Equipment

Independent aftermarket information. OEM names and trademarks belong to their respective owners and do not imply authorization, affiliation or endorsement. Confirm the series, complete model, serial or drawing number, drawings and operating conditions before manufacture.

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01

Technical Advice

Equipment and part identification, drawing review, material selection and manufacturing feasibility assessment.

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Supplier Introductions

Match requirements with suitable manufacturers in China and coordinate the exchange of technical information.

03

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Drawing confirmation, material and process control, production tracking, inspection and acceptance coordination.

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Coordinate manufacturing, quality confirmation, packaging and delivery of complete finished parts.

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