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Shata - Professional Custom Rotary Kiln Tyre Manufacturer
Shata Machinery is a professional integrated manufacturer specializing in cutom rotary kiln tyres (riding rings) with dual casting and forging production processes.
With 18 years of focused experience in rotary kiln spare parts industry, we have supplied durable, high-performance rotary kiln tyres to kiln plants across more than 20 countries, and successfully completed over 200 new construction and renovation projects of rotary kiln lines.
Our technical team is fully proficient in cast steel and forged steel material standards for rotary kiln tyres, with in-depth understanding of extreme working conditions, including high-temperature, heavy-load and serve abrasion of large industrial rotary kilns. During production, we effectively avoid common industry defects such as premature cracking, structural deformation, and excessive wear, providing cost-effective rotary kiln tyres that perfectly match the full service life of customer kiln bodies and reduce long-term equipment replacement and maintenance costs.
Equipped with mature 3D design capabilities (UG, CATIA, Solidworks), our engineering team provides professional reverse design services to convert customer physical samples into standardized production drawings. We support full-range ODM and OEM customization, covering forming technology, customized sizes, special machining tolerances, professional heat treatment procedures, and tailored packaging solutions. Our custom kiln tyres are fully compatible with small pilot kilns, medium-sized industrial kilns, and large 6000TPD cement rotary kilns, meeting all customized kiln operation demands.
We adhere to customer-centric service standards and provide ultra-fast response technical support and after-sales service. Professional drawing review, accurate quotation, and one-on-one technical consultation can be replied within 2 hours. We also offer free on-site technical guidance, professional replacement support, and full-cycle after-sales tracking to eliminate customer operation worries.
Send your kiln tyre technical drawings or parameter requirements to get a free professional custom quotation now!

product parameters
| Products name | Rotary Kiln Tyre / Riding Ring / Kiln Band |
| Outer Diameter | 500 - 6000 mm, oversized kiln tyre customization is available |
| Inner Diameter | Customizable according to kiln body, ±0.05mm machining tolerance, tight fit with kiln body without gap devition, stable operation |
| Operating voltage | 220v,230v,100v,120v |
| Tyre Width | 300 - 1500 mm, customizable as per drawings |
| Wall Thickness | 50 - 500 mm, customizable according to design and finite element stress analysis |
| Max Sinlge Piece Weight | 100 ton |
| Manufacturing Process |
Forged Steel Rotary Kinl Tyres: ring rolling, open die forging Or cast Steel Rotary Kiln Tyres: sand casting, lost foam casting |
| Materials |
Cast carbon steel: GS20Mn5, GS16Mn5, GS25Mn, A216 WCB, A148 Grade 65-35 Cast alloy steel: GS34CrMo4, GS42CrMo4, GS30CrNiMo8, GS32CrNiMo8V, A487 Gr4D, A487 Gr8, A743 CA6NM,ZG42CrMo Forged carbon steel: C45(1.0503), C50, 20Mn5(1.6220), A105 Gr.B, A516 Gr70, 1045, 45#, 20Mn5 Forged alloy steel: 42CrMo4(1.7225), 34CrNiMo6(1.6582), 30CrNiMo8(1.6580), 50CrMo4(1.7228), 4140, 4340, A668 Class D, A182 F22, 42CrMo, 34CrNiMo6, 50CrMo4 |
| Common material | DC110V |
| Controlled Chemical Composition |
Strictly control C, Si, Mn, Cr, Ni, Mo, P≤0.035%, and S≤0.035% |
| Tensile Strength |
GS20Mn5≥650MPa;42CrMo4 /4140 ≥900MPa |
| Yield Strength | GS20Mn5≥450MPa;42CrMo4 / 4140≥700MPa |
| Surface Hardness | Adjustable according to working conditions and drawings |
| Anti-Fatigue Performance | No fatigue cracking failure within 8 years of 24-hour continuous rotary operation |
| Heat Treatment | Normalizing, tempering, quenching |
| Surface Finish Machining | Finish turing, finish grinding, good surface roughness Ra ≤ 3.2μm |
| Anti-corrosion Protection | Derusting + Anti-rust Oil Soaking / Special Industrial Primer Coating (Optional) |
| NDT | UT, MT |
| Qualifications | ISO 9001 Quality Management System, ISO 14001 Environmental Management Systems (EMS), ISO 45001 Occupational Health and Safety (OH&S) Management Systems |
| Applicable Kiln Types | Cement Rotary Kiln, Lime Rotary Kiln, Metallurgical Roasting Rotary Kiln, Chemical Calcination Rotary Kiln |
| Warranty Period | 3-year production quality warranty |
| Lead Time | 25 - 40 days |
| MOQ | 1 piece |
Dual Process Rotary Kiln Tyre Production | Long Service time & Low Cracking Risk

Dual Casting & Forging Process Production for Full-Size Non-Standard Customization
Shata Machinery owns an independent sand casting workshop and a professional 5000-ton hydraulic ring rolling forging workshop, realizing one-stop integrated production of all types of custom rotary kiln tyres. Our dual-process production model covers all customer demand scenarios, solving the problem of single process limitation of most ordinary manufacturers.
For small and medium-sized kiln equipment with conventional operating conditions, we provide cost-effective cast steel rotary kiln tyres to help customers control procurement costs; for large cement rotary kilns, metallurgical kilns, and hazardous waste treatment kilns with high temperature, heavy load, and continuous operation requirements, we supply high-strength forged rotary kiln tyres with stronger wear resistance, structural stability and longer service life.
We support full-shape customization, whether for standard circular kiln tyres or products with complex special cross-sections. Our integrated production mode realizes consolidated procurement for customers, effectively saving logistics costs, supplier management costs and communication costs, and supporting the simultaneous progress of multiple engineering projects.
Special Material Customization for Harsh Working Conditions
Most conventional manufacturers only produce standard rotary kiln tyres with ordinary 42CrMo material, which cannot adapt to harsh operating environments such as ultra-high temperature, super heavy load, severe abrasion, and high-sulfur & high-alkali flue gas in lithium ore calcination and metallurgical kilns. Ordinary materials are prone to pitting corrosion, intergranular spalling and premature abrasion, leading to frequent equipment shutdown and replacement.
Shata Machinery has a professional metallurgical engineer team and dual production lines for forging and casting processes. We develop tailor-made high-temperature and corrosion-resistant kiln riding rings according to customer's actual kiln working conditions, fundamentally solving equipment failure risks caused by improper material selection. Our customized kiln tyres are widely applicable to cement calcination, lime production, lithium ore calcination, metallurgical processing and hazardous waste treatment rotary kilns.
Project Case: We customized high corrosion-resistant rotary kiln tyres for an Australian lithium ore calcination kiln project. The custom special-material tyres have operated stably for 5 years without any surface corrosion or spalling. In contrast, the customer's original 42CrMo standard tyres suffered severe pitting corrosion and failure after only 2.5 years of operation, verifying the superior performance of our customized solutions.


4-Stage NDT to Eliminate All Hidden Defects
If only a single final ultrasonic inspection is carried out upon completion of rotary kiln tyre manufacturing, microcracks induced by casting segregation and heat treatment stress will be concealed beneath the machined surface, making accurate identification impossible and ultimately leading to unplanned kiln shutdown failures in later operation.
We have established a full-lifecycle non-destructive testing system with mandatory inspections implemented at four critical production stages:
- Forged/Cast Blank Stage: Conventional ultrasonic testing to detect inherent internal defects including internal shrinkage cavities, massive slag inclusions and penetrating blowholes inside workpieces.
- Post-Heat Treatment Stage: Full-area Magnetic Particle Testing (MT) combined with Penetrant Testing (PT), focusing on subsurface intergranular microcracks at stress concentration zones. Cracks as narrow as 0.1 mm in width can be detected.
- Semi-Finish Turning Stage: Full-coverage ultrasonic scanning covering fatigue-prone areas of the tyre such as inner bore, outer circle, both end faces and transition radii, to identify delamination and tiny internal defects exposed during machining.
- Finished Product Delivery Stage: Recheck via ultrasonic testing to guarantee zero missed defects and defect-free delivery.
All defects are intercepted in advance during preceding processes. Problems will not be discovered after full machining, which would otherwise require complete rework of the whole part. This effectively avoids schedule delays caused by finished product scrapping, secures the agreed delivery time, ensures smooth progress of clients' kiln line projects, and ensures customers kilns with long-term operation and less cracking risks.
Oversized Kiln Tyres Door-to-Door Shipment
Thanks to our factory's large annual shipment volume, we have secured long-term strategic pricing with multiple international logistics providers. Over 90% of our rotary kiln tyre clients opt for our in-house logistics solution, with freight rates at least 26% lower than those offered by clients' own forwarders.
Our partnered logistics team specializes in cross-border transportation for oversized and overweight components. They deliver one-stop full-process management covering all links: deployment of special transport vehicles, out-of-gauge cargo permit applications, ro-ro vessel space reservation, marine cargo lashing & securing, customs clearance documentation, port pickup & delivery, and heavy-lift loading/unloading at remote mining plants and manufacturing sites. Our logistics partners streamline the whole transit process and minimize damage risks for rotary kiln tyres during shipment.
In 2023, we delivered a 5.8-meter-diameter large rotary kiln tyre to a South African client. We fully handled cross-border out-of-gauge traffic permits across multiple transit countries, segmented sea-land transshipment, and coordinated heavy crane unloading at the client's plant. The client highly commended our logistics service, noting that compared with their previous forwarder's plan, transit time was cut by 30% and total logistics costs reduced by 37.7%.

Rotary Kiln Tyre Migration: Causes, Effects and Solutions
1.What is Kiln Tyre Migration
Kiln tyre migration, also known as riding ring slip or axial shift, refers to the abnormal relative displacement fault between the rotary kiln tyre and the kiln shell. It is a common and high-risk equipment fault in rotary kiln operation, mainly divided into two types:
- Axial migration: tyre sways along the length direction of the kiln shell, is the most frequent type of kiln tyre migration
- Circumferential slip: shell rotate faster than tyre(normally tyre should rotate synchronously with shell), causes circumferential sliding, commonly known as "rolling ring slip".
2. Main Hazards of Kiln Tyre Migration
Long-term unprocessed kiln tyre migration will cause cascading equipment failures and huge production losses, with specific hazards as follows:
- Accelerated Component Wear: Abnormal displacement aggravates friction and peeling between the tyre and support roller, greatly shortening equipment service life and increasing frequent replacement costs.
- Kiln Shell Deformation & Cracking: Unbalanced axial and circumferential stress causes elliptical deformation and weld cracking of the kiln shell, leading to mandatory shutdown maintenance.
- Increased Equipment Vibration: Abnormal operation vibration causes wear of bearings, gears and reducers, accompanied by continuous equipment noise, affecting operational stability.
- Sealing Failure & Production Reduction: Displacement causes misalignment and wear of kiln head and end sealing parts, resulting in air leakage, material leakage and ash leakage, seriously reducing production efficiency.
- Shutdown & Safety Risks: Severe tyre migration will cause equipment jamming and overload tripping, interrupting production and causing economic losses; extreme cases may lead to tyre detachment and shell breakage, threatening on-site operation safety.
3. Professional Solutions for Rotary Kiln Tyre Migration
- Adjust the inclination angle of support rollers appropriately to balance axial thrust and reset the displaced tyre, avoiding large-scale adjustment to prevent secondary stress imbalance;
- Timely clean dust and impurities on the contact surface and replenish high-temperature resistant grease to restore normal friction matching;
- Stabilize kiln rotating speed and feeding volume, reduce furnace temperature fluctuation and relieve kiln shell thermal deformation;
- Inspect and repair worn thrust rollers and limit parts to restrict abnormal axial displacement.
- Shut down the equipment to detect kiln foundation settlement and support roller bracket deviation, recalibrate the parallelism and levelness between the kiln shell and rollers;
- Repair worn surfaces of rotary kiln tyres and support rollers through welding and turning processing;
- Precisely adjust and replace backing plates according to thermal expansion coefficients to control reasonable fitting clearance;
- Timely replace severely deformed, cracked and aging kiln tyres and kiln shells to eliminate potential safety hazards.
- Establish regular inspection mechanisms to monitor tyre displacement, operating temperature and equipment vibration for early fault warning;
- Implement standardized quantitative high-temperature grease injection and regular cleaning maintenance;
- Avoid long-term overload operation and frequent start-stop of the kiln, and stabilize uniform furnace temperature;
- Carry out annual full equipment calibration for roller angle, shell axis and fitting clearance;
- Fundamental Optimization: Most long-term tyre migration and wear faults stem from unqualified tyre material and unstandardized production processes. Shata Machinery's custom rotary kiln tyres adopt scientific material selection, dual-process production and strict NDT inspection, with stable structural performance and low deformation rate, effectively avoiding various abnormal displacement faults and ensuring long-term stable operation of the kiln line.
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