Quzhou Horbon Mining Parts Co., Ltd. is one of the leading manufacturers and suppliers of rotor impact crusher in China. With abundant experience, we are committed to providing high quality customized service and OEM service to global clients. Welcome to buy advanced rotor impact crusher made in China here from our factory. Contact us for quotation.
Rotor Impact Crusher - Complete Rotor Systems & Spare Parts from a Dedicated Crusher Parts Factory
Understanding the Rotor in an Impact Crusher

In a rotor impact crusher, the rotor is the single component that defines machine performance. Spinning at high velocity, it carries plate hammers that deliver kinetic energy directly to feed material - shattering rock, ore, and mineral aggregate through controlled impact rather than slow compressive force. Rotor geometry, hammer mass, shaft stiffness, bearing selection, and sealing integrity all determine how long a crusher runs at full capacity before requiring intervention.
For plant engineers and procurement managers, this means rotor components are never a commodity purchase. Dimensional accuracy, alloy integrity, and manufacturing consistency directly translate into tons-per-hour output, unplanned downtime frequency, and total maintenance cost over the equipment lifecycle.
Quzhou Horbon Mining Parts Co., Ltd. manufactures rotor components for impact crushers at a dedicated 13,000 m² production facility in Quzhou, Zhejiang. We supply complete rotor assemblies, individual structural parts, and consumable wear parts - all from the same factory, under the same quality system, on a single purchase order.

Rotor Assembly Specifications
Reference configuration based on PFC1415P Horizontal Impact Crusher rotor assembly. Alternative specifications, OEM-matched dimensions, and custom engineering are available on request.
Crusher drawing



Reference Model: PFC1415P | Assembly Part No. 2105070001
| Parameter | Specification |
| Assembly Part Number | 2105070001 |
| Applicable Crusher | PFC1415P Horizontal Impact Crusher |
| Rotor Diameter | Ø1368 mm |
| Overall Assembly Length | 2807 mm |
| Total Assembly Weight | 8,150 kg |
| Rotor Body Weight | 4,043 kg |
| Plate Hammer Rows | 4 Rows |
| Plate Hammer Unit Weight | 447.75 kg × 4 pcs |
| Total Plate Hammer Weight | 1,791 kg |
| Main Shaft Weight | 670.25 kg |
| Bearing Specification | Self-Aligning Spherical Roller Bearing |
| Drive Pulley Weight | 521.63 kg |
| Bearing Seat Weight | 201.03 kg × 2 pcs |
| Total Sub-Components | 44 Parts |
| Minimum Order Quantity | 5 pcs per line item |
| Production Lead Time | 15–30 Days |
| Export Terms | FOB / CIF (Shanghai / Ningbo) |
Rotor System Components - What Horbon Supplies
A rotor impact crusher assembly is an integrated mechanical system. Component interaction matters: an undersized shaft under an overweight rotor body, or mismatched bearing clearances in a high-dust environment, will shorten service intervals regardless of individual part quality. Horbon manufactures and supplies the complete system - not isolated parts.
Rotor Body
The central structural casting of the assembly. Precision-machined hammer slots distribute plate hammer mass symmetrically across the rotor circumference, maintaining rotational balance under high-speed operation. The rotor body's structural integrity determines how well impact energy transfers from hammer strike through the shaft to the bearing system without cyclic fatigue accumulation.
Forged Main Shaft
Produced from forged alloy steel billet - not cast - to ensure the fiber grain orientation that resists fatigue cracking under repeated torsional and bending loads. All journal surfaces are CNC finish-machined and verified by CMM. Heat treatment is applied to achieve the hardness profile needed for long-term shaft integrity in high-cycle impact operation.
Plate Hammers / Blow Bars
Four hammers per assembly, with a combined weight of 1,791 kg - representing over 21% of total rotor mass. As the direct contact wear part, hammer material grade is the most consequential specification decision in any rotor impact crusher rebuild.
Wedge Locking System
48 wedge blocks per assembly (16 × Wedge Block 1, 32 × Wedge Block 2) clamp each plate hammer into its rotor slot under operating load. The mechanical advantage of the wedge geometry maintains clamping force even as hammer mass reduces through wear - and releases cleanly during planned maintenance without cutting or grinding, keeping hammer change intervals short.
Spherical Roller Bearings
Two self-aligning bearings carry the rotor shaft under the combined radial loads from rotor weight and impact reaction, plus axial forces from asymmetric feed distribution. The spherical raceway geometry accommodates shaft angular deflection - protecting the bearing from edge loading that would otherwise initiate premature fatigue spalling on a fixed-geometry bearing.
Precision Bearing Housings
CNC-bored to tight register tolerances. Integrated oil reservoirs feed lubricant consistently to the bearing contact zone. Correct housing bore geometry is foundational: housing distortion or out-of-round bores transfer bending stress directly to bearing outer rings, compressing service life regardless of bearing grade.


PFC1415P Horizontal Impact Crusher Diagram
Labyrinth Sealing Assembly
Dual labyrinth rings on each bearing side - a passive seal design with no rubbing contact surfaces to wear out. The labyrinth path geometry creates high resistance to dust and moisture ingress without generating friction heat or requiring periodic seal replacement. Critical for bearing longevity in quarry and mining environments where airborne silica and process fines are constant.
Drive Pulley
Large-diameter cast iron pulley for V-belt power transmission from motor to rotor shaft. Dynamically balanced prior to dispatch to prevent vibration introduction at the drive end of the rotor system.
Factory Capabilities & Quality Assurance
What we make and how:
Horbon's production covers the full process chain for crusher rotor components - from raw material receipt through finished part dispatch.
Casting & Forming
Precision casting for complex structural geometry. Forging for high-stress rotating parts requiring directional grain integrity (main shafts, wedge blocks).
Machining
CNC turning and milling centers for all critical-dimension surfaces. Tolerance verification on coordinate measuring machines (CMM) for shaft journals, bearing bores, and hammer slot profiles.
Metallurgical Processing
Heat treatment and quenching to specified hardness targets. Incoming alloy composition verified by optical emission spectral analysis before material enters production. Final hardness confirmed by Rockwell (HRC) testing.
Inspection & Testing
Non-destructive flaw detection on structural components. Third-party inspection available at customer request. All QC records available for documentation review.




Application Sectors
Rotor impact crushers operating with Horbon-supplied rotor components are active across:



Mining
Primary and secondary reduction of hard rock ores including iron, copper, gold, and bauxite. High rotor mass and impact energy suit coarse feed with large top size.
Aggregate & Quarrying
High-throughput limestone, basalt, and granite crushing for construction aggregate grading. Rotor configuration optimized for cubical product shape.
Cement Production
Raw material pre-crushing and clinker handling. Consistent particle size output from a well-maintained rotor reduces downstream grinding energy consumption.
Mineral Processing
Phosphate, barite, gypsum, and industrial mineral size reduction where softer feed material calls for chrome-alloy rather than manganese hammer grades.
Recycling & Waste Processing
Reinforced concrete demolition waste and mixed construction and demolition (C&D) debris. Bimetal hammers preferred for mixed abrasive-and-impact loading profiles.
Coal Handling
Run-of-mine coal sizing for preparation plant feed. Lower feed hardness allows extended hammer intervals compared to hard rock applications.
Compatible crusher brands include Metso, Sandvik, Terex, Trio, and Chinese domestic OEM platforms.
The Horbon Advantage for B2B Procurement

1. One Supplier. Every Crusher Part You Need.
Sourcing rotor impact crusher parts from multiple vendors creates fragmented lead times, inconsistent documentation, and no clear accountability. Horbon eliminates this as a direct manufacturer - not a trading company - covering the full parts category: rotor assemblies, plate hammers, main shafts, gears, bronze bushings, bearing seats, springs, oil seals, drive pulleys, fasteners, and more. One supplier. One purchase order. One logistics chain. Your complete maintenance BOM, shipped direct from factory.Sourcing rotor impact crusher parts from multiple vendors creates fragmented lead times, inconsistent documentation, and no clear accountability.
Horbon eliminates this as a direct manufacturer - not a trading company - covering the full parts category: rotor assemblies, plate hammers, main shafts, gears, bronze bushings, bearing seats, springs, oil seals, drive pulleys, fasteners, and more. One supplier. One purchase order. One logistics chain. Your complete maintenance BOM, shipped direct from factory.
2. Direct Factory Pricing
No intermediary margin. Quotes reflect actual manufacturing cost plus Horbon's direct export margin. For high-volume or long-term supply arrangements, framework pricing is available.
3. Custom & OEM Manufacturing
Customer drawings, existing part numbers, or physical samples are all accepted as the basis for production. We reverse-engineer and manufacture to specification with full OEM/ODM support. Parts can be supplied unbranded, under your brand, or to your packaging specification.
4. Global Export Infrastructure
FOB and CIF terms through Shanghai and Ningbo. Export markets include Southeast Asia, the Middle East, Africa, Europe, North and South America, South Asia, and Australia. 50–200 active overseas client relationships across these regions.
5. Technical Support
7×24 online technical response. Quality issues resolved through free replacement. Installation documentation, engineering drawings, and video or photo-based guidance provided as standard aftersales support.
Frequently Asked Questions
Q: What is the difference between ordering a complete rotor assembly versus individual components?
A: A complete rotor assembly (Part No. 2105070001) includes all 44 sub-components pre-assembled and ready for installation. Individual components are ordered separately by part code - typically used for scheduled wear part replacement (plate hammers, wedge blocks, baffles) or single-component failure repair. Both supply modes are available from Horbon with a 5-piece minimum per line item.
Q: How does Horbon ensure dimensional compatibility with my existing crusher?
A: Provide your crusher make, model, and part number - or send a drawing or physical sample. Our engineering team cross-references specifications and confirms fit before production begins. For common platforms (Metso, Sandvik, Terex, Trio, domestic OEM models), we typically have reference data on file.
Q: What documentation comes with a rotor assembly shipment?
A: Standard documentation includes a packing list with part codes and weights, material certificates, and QC inspection records. Third-party inspection certificates and additional documentation can be arranged at the order stage.
Q: Can Horbon supply ongoing wear parts on a scheduled replenishment basis?
A: Yes. For clients running continuous crushing operations, we support scheduled supply agreements covering plate hammers, wedge blocks, plate hammer baffles, and other consumables - coordinated with your planned maintenance intervals to ensure parts arrive before they are needed.
Q: Are rotor components available for crushers not listed on your website?
A: Yes. If you have a crusher model not covered by our standard range, submit your part drawing or worn sample. We assess manufacturability and quote accordingly. Our machining and casting capabilities cover a wide range of rotor geometries and component sizes.
Q: What is your response time for quotation requests?
A: We target a 24-hour response for standard quotation requests submitted with complete part information (model, part number or drawing, quantity, delivery requirement).
Source Your Rotor Impact Crusher Parts Directly from the Factory
Horbon exists to simplify crusher parts procurement for operations teams and purchasing departments managing complex equipment fleets. One factory. One quality standard. Every crusher component your operation requires.
Submit your parts list, crusher model, or maintenance schedule - and receive a factory-direct quotation covering your complete rotor impact crusher component requirement.
FOB / CIF · Shanghai & Ningbo | Full BOM Supply | OEM & Custom Orders Accepted

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