“Cone liners for HP300” looks specific on an enquiry, yet it can still leave the supplier guessing. Which cavity is installed? Is the request for the moving mantle, the stationary bowl liner, or both? Has the machine been modified since the parts book was issued? Those answers matter before anyone selects an alloy or quotes a price.
Identify the part by its position
The mantle moves with the crusher head. The bowl liner, also called a concave on some machines, is the stationary wear surface opposite it. Together they form the crushing chamber. A feed plate and protective liners have different jobs and should appear as separate lines on a purchase request. A photograph of a worn part can help identify its position, though a photograph alone cannot establish its dimensions.
Ask the maintenance team to record the machine model and serial number, the current cavity or chamber designation, and any known machine or liner revision. Where a part carries a public reference number, copy the whole number, including its suffix. Keep the number on the enquiry even if the buyer also supplies measurements; it helps the supplier find a candidate without treating the code as proof of interchangeability.
Match the chamber to the duty
Liner profile affects how feed moves through the chamber. Feed size and properties, the closed-side setting and the pattern left on the old liners all help explain why a profile worked or wore unevenly. If the site is considering a different profile, share those operating details with the supplier and check the proposed change against the equipment manual. An alloy name such as Mn18Cr2 does not settle the geometry question, and it does not predict a fixed service life.
Wear records are more useful than a single “hours lasted” figure. Note where the mantle and bowl liner wore most, whether both pieces were changed together, and whether feed or setting changed during the run. These observations give the supplier a basis for discussing the requested profile and material. They do not turn one site’s result into a promise for another machine.
Request evidence for the actual part
Before ordering, ask the supplier to state the drawing or measured geometry used for the proposed part, the material specified for this order, and the scope of any dimensional or material inspection record it can provide. A report from another casting is useful as an example of the document format; it does not certify the part being quoted. If the supplier proposes a substitute reference, require an explanation of the dimensions and configuration checked, rather than accepting a visual resemblance.
Put the scope on each RFQ line
List mantle and bowl liner separately, with quantity, model, cavity, complete public reference number if available, requested material and required delivery destination. State whether feed plates, backing-related items or fasteners are required; do not assume they are included with a liner. Send clear photographs of the part and its markings when identification is uncertain. On receipt, compare the supplied markings and agreed dimensions with the order before the parts enter the maintenance job. Installation and wear limits must follow the manual for the exact machine and the site’s qualified procedures.
Browse related parts · Send a parts enquiry
Crusher liner parts, position by position
Most ordering errors start with a vague name. “Cone liners” can mean the mantle, the bowl liner, or both — and those two parts are a working pair. The mantle is the moving wear surface on the head; the bowl liner (concave) is the fixed surface opposite it; together they set the chamber that the material is crushed in. Feed plates guide material into that chamber, and protective liners shield the surrounding structure. Treat each as its own line on the enquiry, because each is identified, priced and changed on its own cycle.
Material and process: what to confirm
Mantles and bowl liners are normally cast in manganese steel, which work-hardens in service. Grade selection follows feed hardness and abrasion, the chamber position in the circuit, and the wear pattern of the part coming out. Beyond the grade, ask about casting and heat treatment control, machining or preparation of the seating and backing surfaces, and which profile and fixing dimensions are inspected before dispatch. A liner that seats poorly will not deliver the life its material promises.
Tolerances, fit and service life
Fit depends on the chamber profile, the seating surfaces and the condition of the head and bowl the liner mounts to. Record the closed-side setting, feed size and distribution, and how the last set wore — even, grooved, cracked or metal-flowed. That record is the evidence for any material or profile change. On arrival, check markings and key dimensions against the order, and keep the agreed specification with the maintenance record for the next change-out.
Selecting, delivery and quantity — general notes
Order a working set and a trial set differently: a material change is best judged on one recorded set before it becomes the standard. Lead time follows casting, heat treatment and machining for the specific liner, and minimum quantity is confirmed per part. Include quantity, destination and required date in the enquiry, and ask what inspection evidence and packing are included so offers compare on equal terms.
GUBT supplies independent aftermarket replacement parts. Any reference numbers or equipment names shared for identification are used only to check compatibility. They do not imply affiliation with, or endorsement by, the original equipment manufacturer.
Frequently asked questions
What are the main cone crusher liner parts?
The moving mantle and the stationary bowl liner (often called the concave) form the crushing chamber and are the main liner parts. Feed plates, protective liners and backing-related items are separate positions with different jobs. List each one separately, with its own quantity, so nothing is assumed to be included with a liner set.
How do I identify the right mantle or bowl liner?
Record the equipment model and version, the chamber or cavity designation, and the complete reference including any suffix. Add photos of the installed liner and its markings if identification is uncertain. A photograph helps show the position, but dimensions and chamber profile are what confirm the replacement.
Which material should cone crusher liners use?
Manganese steels are the usual family for mantles and bowl liners because they work-harden under impact. The right grade depends on feed hardness and abrasion, chamber position and how the current liner wore. Share the current grade, its life and wear pattern, and ask the supplier to review a change rather than simply ordering a higher grade.
Mantle and bowl liner: replace together or separately?
Review them as a chamber pair. Fitting a new mantle against a worn bowl liner (or the reverse) can leave the chamber profile uneven and shorten the life of the new part. If only one is changed, record why, and measure the remaining part so the decision is based on its actual condition.
What should a cone liner enquiry include?
Equipment model and version, chamber designation, part position, complete reference if available, requested material, quantity per part, and delivery destination. State whether feed plates, fasteners or other items are also needed, and ask for inspection scope, packing and lead time to be confirmed for that order.
