Product Overview

A maintenance kit of CH440 spare parts — the supporting components that sit around the crushing chamber of the CH440 / H4800 cone crusher: the head nut and burn ring that clamp the mantle on the cone head, the dust and oil seal rings and O-rings that keep dust out of the eccentric and lubrication circuits, the spider bushing and spider cap that locate and protect the top of the main shaft, the main shaft sleeve, and the hydraulic filter cartridges and spin-on filter element that protect the lubrication system.

These are the parts normally ordered alongside a liner change or scheduled overhaul. They are supplied together so a shutdown can be completed in one pass without waiting on individual components, and so seal and filter items are replaced at the right interval rather than being reused past their service life.

CH440 Spare Parts List

Equipment Overview

The CH440 (also designated H4800) is a hydrocone-style secondary or tertiary cone crusher used in aggregate production, quarrying, mining and recycling. Around the crushing chamber, a number of support, sealing and filtration components keep the machine running between liner changes: the head nut and burn ring lock the mantle onto the cone head; the dust seal ring y oil seal ring separate the crushing chamber from the eccentric and lubrication spaces; the spider bushing y spider cap take the top bearing load of the main shaft; and the filter cartridges keep the lubrication oil clean. Neglecting these items is a common cause of premature bearing wear, oil contamination and unplanned downtime.

Component Notes

• Tuerca de cabeza con anillo quemado — clamps the mantle down on the cone head; the burn ring backs the nut so it cannot loosen under crushing load.
• Dust Seal Ring / Oil Seal Ring / O-Ring / Seal Ring — the sealing set that stops rock dust reaching the eccentric and stops lubrication oil escaping. Seal items should be replaced at every liner change rather than reused.
• Casquillo de araña — the upper bearing surface that steadies the top of the main shaft inside the spider.
• Gorra araña — covers and retains the spider bore, keeping dust and water out of the top bearing.
• Manguito del eje principal — protects the main shaft where it passes through the sealing and bearing areas.
• Filter Cartridges and Spin-On Filter Element — protect the lubrication circuit; a clogged element raises oil temperature and accelerates wear on the eccentric and gears.
• Hydraulic Pump, Hydroset Relief Valve and Pressure Indicator — the hydroset circuit that sets and holds the closed-side setting: the pump moves the oil, the relief valve protects the circuit from over-pressure, and the pressure indicator (PIS 3097, 2.2 bar) shows the clamping pressure directly on the machine.

Aplicaciones

Scheduled maintenance and liner changes on CH440 / H4800 cone crushers in quarry, mining and recycling plants, plus the equivalent CH420 and CH430 filter elements where the same lubrication circuit is used. Keeping the correct sealing and filtration components in stock is what keeps a cone crusher available through the crushing season.

Related CH440 Spare Parts and Crusher Wear Parts

• CH440 / H4800 concave 442.8421 and mantle B 442.7230 — the crushing chamber wear parts normally replaced at the same shutdown.
• Cone crusher bowl liner, concave ring and torch ring for other hydrocone and cone crusher models.
• Cone crusher assembly and spare parts — eccentric, main shaft, step washer and adjustment components.
• Swing and stationary jaw plates for mobile jaw crushers (QJ341 and similar).

Request a Quotation

For pricing, lead time and availability on these CH440 spare parts — head nut, dust and oil seal rings, spider bushing and cap, main shaft sleeve and filter cartridges — please use the Añadir a la consulta button on this page or email us at [email protected]. Our sales team responds within one business day.

The post CH440 H4800 Cone Crusher Spare Parts Kit Head Nut Seal Rings Spider Bushing Cap and Filters appeared first on Mining Spares | Crusher Spare Parts ,Drifter Parts ,Slurry Pump Parts.

Product Overview

Matched wear parts for the CH440 / H4800 cone crusher: the 440 concave (442.8421) and the B-profile mantle (442.7230). Both are cast in M7 high manganese steel and machined on the seating and clamping faces so the cone head and upper frame locate correctly, keeping the closed-side setting and chamber geometry within specification.

Wear Parts List

Material and Casting

• M7 high manganese steel — the M7 grade is a work-hardening austenitic manganese casting (Mn18Cr2 type) that develops a hard wearing surface under load while the core stays tough enough to pass tramp metal. The grade is stamped on each casting for traceability.
• Water-glass sand casting with controlled heat treatment for a uniform austenitic structure.
• Machined seating and clamping faces so the concave beds down square in the frame and the mantle seats correctly on the cone head.
• B-profile cavity geometry matched to the original chamber specification.

Aplicaciones

Suited to secondary and tertiary crushing of granite, basalt, limestone, river gravel, iron ore and construction and demolition waste. Replacing mantle and concave as a matched set avoids eccentric wear and keeps the setting stable through the wear cycle.

Request a Quotation

For pricing and lead time on the CH440 / H4800 wear parts (442.8421 concave and 442.7230 mantle B) in M7 material, use the Añadir a la consulta button or email [email protected].

The post 442.8421 Concave Ring 442.7230 Mantle B for CH440 H4800 Cone Crusher appeared first on Mining Spares | Crusher Spare Parts ,Drifter Parts ,Slurry Pump Parts.

Product Overview

A matched pair of crushing jaws for the QJ341 mobile jaw crusher (C12 jaw unit): the corrugated swing jaw (J2950000) and the stationary jaw plate (400.0436). Both are cast in M7 high manganese steel and machined on the seating faces so they pull down flat against the jaw stock and frame, keeping the crushing gap and nip angle within specification.

The corrugated profile on the swing jaw works against the stationary plate to grip and compress the feed, so the two faces wear as a pair. Supplying them together keeps the tooth profiles matched and the reduction ratio consistent through the wear cycle.

Wear Parts List

Equipment Overview

The QJ341 is a track-mounted mobile jaw crusher built around a single-toggle C12 jaw unit, widely used as a primary crusher in quarrying, mining, demolition and recycling. Material is fed between a stationary jaw plate fixed to the crusher frame and a swing jaw carried on the jaw stock, driven by the eccentric shaft. Tooth geometry and jaw profile control the nip angle, throughput and the shape of the primary product, so worn plates directly affect both capacity and downstream screening efficiency.

Material and Casting

• M7 high manganese steel — the M7 grade is a work-hardening austenitic manganese casting (Mn18Cr2 type) that develops a hard wearing surface under impact while the core remains tough enough to pass uncrushable material. The grade is stamped on each casting for traceability.
• Water-glass sand casting with controlled heat treatment to produce a uniform austenitic structure.
• Machined seating faces and matched bolt-hole pattern so both jaws bed down correctly and the wedges load evenly.
• Corrugated tooth profile matched to the original jaw geometry for correct nip and grip on slabby or rounded feed.

Aplicaciones

Suited to primary crushing in hard rock quarries, mining operations, construction and demolition recycling, and aggregate production — granite, basalt, limestone, river gravel and demolition debris. Jaw wear life depends on feed size, material abrasiveness and the closed-side setting; fitting the swing and stationary jaws as a matched pair keeps both faces wearing evenly.

Related Parts Available

• CJ411 toggle plate and toggle seat for the same jaw crusher family
• CJ411 wedge plate (fixed / swing, 4 pcs per set)
• Swing and stationary jaw plates for other mobile jaw crushers in M7 (Mn18Cr2) and Mn22Cr2 grades

Request a Quotation

For pricing, lead time and availability on the QJ341 jaw wear parts (J2950000 corrugated swing jaw and 400.0436 stationary jaw plate) in M7 material, please use the Añadir a la consulta button on this page or email us at [email protected]. Our sales team responds within one business day.

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