Extended Life of Carbide Cheek Plates for High Pressure Grinding Rolls

• Customization: Available
• After-sales Service: 6 Months
• Warranty: 6 Months
• Model NO.: LGJ-2025092402
• Certification: ISO 9001:2008
• Standard: BS, GB, DIN
• Surface Treatment: Polishing
• Manufacturing Process: Casting
• Material: Alloy Steel
• Size: Any Size Accepted Customized
• Grade: Yg11c
• Surface: Polished or Unground
• Delivery Time: 15days
• Applications: Cutting Tool
• Blank Tolerance: +/-0.05
• Product Name: Cemented Carbide Sheet
• Quality: 100% G Virgin Materials.
• Shiping: DHL, FedEx, TNT, UPS, EMS
• MOQ: 50 Kg
• Transport Package: Carton
• Specification: Customized
• Trademark: Old Craftsman
• Origin: Hunan
• HS Code: 82090090
• Production Capacity: 7000kg/Month
• Package Size: 30.00cm * 30.00cm * 25.00cm
• Package Gross Weight: 10.000kg

Product Description

High-Pressure Grinding Roll (HPGR) 

High Pressure Grinding Rolls (HPGR) are a type of comminution equipment widely used in the mining and minerals processing industries for energy-efficient crushing of ores, cement clinker, limestone, and other hard materials. They consist of two counter-rotating rolls that apply high pressure to grind the feed material. Carbide cheek plates are specialized wear-resistant components integrated into HPGR systems, typically made from tungsten carbide (a hard, durable alloy of tungsten and carbon) combined with steel or other alloys. These plates serve as lateral walls or side barriers along the edges of the rolls.

Key Functions of HPGR Carbide Cheek Plates

• Minimizing Edge Effects: In HPGR operations, the "edge effect" occurs due to uneven pressure distribution near the roll edges, where material can bypass the grinding zone, leading to reduced efficiency, coarser product output, and accelerated wear on the rolls. Cheek plates help contain the material within the compression zone, ensuring more uniform pressure across the roll width and improving overall grinding performance.
• Wear Protection: Tungsten carbide provides exceptional hardness (often HRA 88+), compressive strength (up to 3000 MPa transverse rupture strength), and abrasion resistance, far superior to traditional steel. This extends the lifespan of the cheek plates and reduces downtime for replacements.
• Facilitating Skewing and Operational Flexibility: Some designs allow cheek plates to support roll skewing (a mechanism to adjust roll alignment for handling uneven feeds), which helps maintain even pressure despite feed segregation or varying particle sizes.
• Preventing Material Bypass: They act as barriers to keep ore or feed between the rolls during crushing, reducing slippage and friction that could otherwise cause wear gradients or operational inefficiencies.

Without cheek plates, HPGRs experience significant pressure drops at the edges, leading to suboptimal performance. In industrial-scale units, these plates are often custom-designed to match the roll diameter and length ratio, optimizing the system for specific applications like iron ore, cement, or quartz processing.

Materials and Design Features

• Primary Material: Tungsten carbide studs, tiles, or segments embedded in a steel base for the cheek plates. Common grades include YG6, YG8, YG11C, or proprietary blends optimized for hardness and impact resistance. The carbide components may feature hemispherical crowns to avoid stress concentrations and rounded corners to prevent damage during installation or use.
• Additional Enhancements: Surface coatings (e.g., grease or specialized treatments) to prevent oxidation; some designs include edge segments or pins for modular replacement. The plates are precision-machined to fit tightly against the rolls, with gaps minimized to under 5% for optimal containment.
• Service Life: Depending on the application, carbide cheek plates can last 8,000-30,000 hours. For example:
  • Cement raw materials/clinker: Up to 25,000-30,000 hours.
  • Iron ore: 8,000-10,000 hours.
  • Limestone/quartz: Variable, but enhanced by proper lubrication and maintenance.

Applications in Industry

HPGRs with carbide cheek plates are common in:

• Mining: Crushing hard ores like iron, copper, or gold to improve throughput and reduce energy use compared to traditional cone crushers.
• Cement Production: Grinding clinker and raw materials for finer particle size distribution.
• Other: Aggregates, coal, and diamond processing, where high wear resistance is critical.

Major HPGR manufacturers like ZZ Old Craftsman Precision Alloy Co.,Ltd. incorporate cheek plates in their designs, often with flanged inlets and adjustable diverters for edge product diversion (up to 40% per side).

Suppliers and Availability

Several specialized manufacturers produce HPGR carbide cheek plates:

• Carbide: Offers complete carbide and steel cheek plate systems for mining and construction.
• We Provides carbide edge segments and cheek plates with tungsten carbide for high compressive strength; suitable for various standards (JIS, GB, ASTM).
• Premium tungsten carbide studs and edge plates; ISO-certified with global exports to the US, UK, Turkey, etc.
• Focuses on tungsten carbide studs and blocks for cheek plates, emphasizing economical long-life options.
• Custom dome or flat-type studs for cheek plates, with features like stress-relief processing for extended durability.

For procurement, these components are often sold as part of HPGR wear kits, with minimum order quantities (MOQ) varying by supplier. Prices depend on size, grade, and volume-contact suppliers directly for quotes. Regular maintenance, such as lubrication and inspection for wear patterns, is essential to maximize performance.

HPGR Carbide Flange for high pressure grinding roller

Item	Tungsten carbide flange
Grade	YG11C,YG15,YG15C, YG18, YG20 etc.
Sizes	Standard or customized.
Brand	OLD CRAFTSMAN
Country of origin	Zhuzhou, China
Usage	High pressure grinding roller, iron ore, cement crushing

Base Material
The standard base material is mild steel plate of varying thickness, ensuring the finished parts are readily weldable.

Carbide Tiles Properties, we have many grades for the different usage, and we can design new grades according to different customers' requirements to meet their on-site needs. Below are some standard grades we are using, and the brazing strength is higher than 220MPa.

Grade	Density g/cm3	Hardness HV3(HRA)	Strength MPa
YG6	14.85-15.05	91.5	2200
YG8	14.65-14.85	90	2600
YG8C	14.55-14.75	88.5	2800
YL10.2	14.40-14.55	91.5	3200
YG11	14.30-14.50	88.5	2700
YG11C	14.20-14.40	87	2800
YG15	13.95-14.15	88	3200

Welding
Welding to the base plate is possible, but not recommended, except for stud welding (AS 1554.2), as this may compromise the bond between the base material and tiles.

Benefits

·Vacuum brazed bond exceeds typical bond strength for rubber or direct bonded ceramics.

·Mild steel base plate can be easily stud welded.

·Extremely hard liners for extremely abrasive conditions.

·Personalized customization can meet the on-site use of different customers

 

Applications:

·Applications involving severe sliding abrasion and medium impact, such as

·Chutes

·Deflector chutes
·Ore Handling Systems
·Liner Plates

·Hoppers

·Conveyor skirts

·Conveyor drag plates

·HPGR feed cheek plates

·HPGR flange
 

Liners for Transfer Chute


Liners for HPGR Feed Chute

Liners for Conveyor Shirt

Drag liners for Transfer Conveyor

 

We mainly produce Tungsten Carbide Mining Wear Parts Plates, Carbide Tips, Carbide Tiles, HPGR Flanges, HPGR Edge Block, HPGR Cheek Plates, Brazed Inserts, Buttons, VSI Bars, Rod, Strips, PDC tools, Carbide Bushings, Wire Drawing Dies, Heading Dies, Seal Ring, Nozzles, Conveyor Belt Scrapers, Robust Crusher Hammer Heads, Specialized Components for Sand-Making Machines, Protective Liners for Refractory Brick Molds, DTH Drilling Bits and Intensive Mixer Blades.

 

Company Profile

Our advantage on carbide brazing products:
1. Full experience in the brazing. We have done thousands of carbide brazing experiments over the past 8 years, obtaining mature experience.
2. Comprehensive quality control. We inspect the quality throughout the whole production line.
3. Fast delivery. We have experienced workers and advanced equipment to ensure the delivery.
4. Excellent after-sales service, We keep in touch with our customers to earn their satisfaction.
 

Packaging & Shipping

 

Q&A

Q: Are you a trading company or manufacturer?
A: We are a factory.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 25-35 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What are your terms of payment?
A: Payment< 1000 USD, 100% in advance. Payment> 1000 USD, 30% T/T in advance, balance before shipment.