Machinery Components for Mining and Aggregate
Mining and aggregate equipment operates under continuous abrasive wear, heavy shock loads, and harsh outdoor environments where mechanical drive components and wear surfaces dictate operating uptime. NOWARUN manufactures custom slewing rings, gear rings, and s
Mining and aggregate equipment operates under continuous abrasive wear, heavy shock loads, and harsh outdoor environments where mechanical drive components and wear surfaces dictate operating uptime. NOWARUN manufactures custom slewing rings, gear rings, and spiral spur gears to customer drawing across module 0.5 to 10 with precision from DIN 5 to DIN 10. We also supply custom alumina ceramic wear plates with 92 to 99.7 percent Al2O3 purity and CNC-machined valve blocks down to plus or minus 0.005 mm tolerance.
Where It Goes Wrong
- Abrasive dust rapidly erodes drive gear flanks and reduces tooth engagement precision
- Extreme shock loading causes tooth cracking or premature surface spalling in gears
- Chutes and transfer points suffer rapid metal wear under abrasive bulk aggregate flows
- Internal hydraulic circuit leaks occur when valve block bore geometries drift out of tolerance
- Sourcing custom replacement drive gears and rings to non-standard legacy dimensions causes plant downtime
What Buyers in This Field Need
- Gear cutting and grinding meeting DIN 5 to DIN 10 precision across specific modules
- Hardened drive gear teeth combined with tough cores achieved through verified heat treatments
- High-purity alumina ceramic plates to withstand continuous sliding abrasion and high operating temperatures
- Hydraulic valve block machining held to tight tolerances on 4-axis and 5-axis CNC equipment
Components Already Specified for This Field

Slewing Ring
Slewing ring spur gears provide rotational drive and torque transmission for rotating machinery, cut to your print…
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Gear Ring
Gear rings transmit torque in planetary gearboxes, slewing assemblies, and machine drives, cut to your print rather…
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Spiral spur gear
Spiral spur gears provide smooth tooth engagement across parallel shafts, manufactured by NOWARUN strictly to your…
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Alumina Ceramic
NOWARUN manufactures custom alumina ceramic plates from aluminium oxide (Al2O3) to customer drawings and data…
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Valve BLock
Hydraulic valve blocks route fluid through intersecting internal cavities, and they are machined here to tolerances…
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Alloy CNC Parts
NOWARUN produces custom alloy CNC parts machined to customer drawings using 4-axis and 5-axis CNC machining, milling,…
View specificationsTypical Application Scenarios
- Slewing rings handling radial and axial loads in rotating aggregate screening units
- Gear rings transmitting continuous drive torque in heavy industrial mills and rotary scrubbers
- Spiral spur gears driving drive assemblies under shock loads in mobile crushing equipment
- Alumina ceramic plates lining aggregate transfer chutes, hoppers, and dry material deflectors
- CNC-machined hydraulic valve blocks regulating fluid flow in heavy mining machinery hydraulic circuits
How an Order Runs
- 1
Review your drawing, module requirement, DIN precision grade, and operating environment specifications
- 2
Confirm base materials including carbon steel, alloy steel, stainless steel, or alumina ceramic purity
- 3
Execute machining and gear tooth cutting using hobbing, shaving, shaping, milling, or grinding
- 4
Perform specified heat treatment such as carburizing, carbonitriding, quenching, tempering, or induction hardening
- 5
Apply required surface protection such as E-coating, plating, Geomet, Dacromet, Delta, or oiling
- 6
Conduct final dimensional and hardness inspection before packaging components for export shipment
Delivery and Packing
- Sample lead time 3 to 7 working days on stamped components
- Volume production lead time 10 to 15 working days on stamped parts
- Packaged in PP bags, cartons, crates, boxes, or customized packing per customer requirements
- Shipped directly from our manufacturing facility in Hangzhou City, Zhejiang Province, China
Related Guides
How to Specify Gear Precision Using DIN Grades
Specify DIN 3 to DIN 10 gear precision across module 0.5 to 10, matching hobbing, shaping, and grinding processes to your mechanic
Design GuideA Machining Tolerance Guide for Custom Metal Parts
Machining tolerance capabilities down to +/-0.005 mm on custom shafts, valve blocks and alloy parts across CNC turning, milling an
Material GuideAlumina Ceramic Purity Grades and What They Change
Alumina purity from 92% to 99.7% explained: density from 3.0 to 3.96 g/cm3, temperatures to 1800°C, and custom plate sizes from 10
Mining and Aggregate Sourcing Questions
What gear module ranges and precision grades do you cut for mining machinery?
We cut slewing rings and spiral spur gears from module 0.5 to 10, and gear rings from module 1 to 8, with gear precision ranging from DIN 5 to DIN 10.
What are the specifications of your alumina ceramic wear plates?
Our alumina ceramic plates feature 92% to 99.7% Al2O3 purity, density from 3.0 to 3.96 g/cm3, diameters from 10 to 850 mm, thicknesses from 7 to 40 mm, and working temperatures up to 1800°C.
What tolerances can you achieve on hydraulic valve blocks?
We machine valve blocks on 4-axis and 5-axis CNC equipment with tolerances down to plus or minus 0.005 mm.
Which heat treatment options are available for custom drive gears?
We provide carburizing, carbonitriding, quench and temper (QT), quenching, tempering, and induction hardening based on the drawing requirements.
What surface treatments do you offer for corrosion protection in aggregate environments?
Available finishes include E-coating, plating, oiling, Geomet, Dacromet, Delta, brushing, polishing, and laser engraving.
What is the minimum order quantity for custom parts?
Minimum order quantities start at 1000 pieces on stamped parts depending on the component and dimensions, while machined and gear components are quoted per drawing.
Sourcing Parts for Mining and Aggregate
Send the drawing or the worn part with the load case and the environment it works in.
