Products,by name.

Each entry is a part the shop has machined. Every one is quoted from the drawing — the category pages say what the workshop can hold, the part page says what the part is.

Large Cast Girth Gear

Segmented cast girth gear, bolted together on site, for heavy-duty shell drives such as rotary kilns and ball mills.

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Spur gears

Large Spur Gear

Large spur gears machined to drawing in 42CrMo or 45# steel, body quenched and tempered, tooth surfaces induction hardened, module M0.5–M30, max outer diameter Ø2 000 mm.

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Gear shafts

Large Module Gear Shaft

Large-module gear shaft machined to drawing in 42CrMo or 45# steel, with spur or helical teeth, quenching and tempering plus tooth-surface hardening for heavy-duty drives.

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Internal gears

Internal Ring Gear

Internal ring gear machined to drawing from a 42CrMo forging blank. Internal teeth are cut by hobbing, the end face can be drilled, and the part is quenched and tempered with optional tooth-surface hardening. Used in planetary reducers and other low-speed, heavy-duty drives.

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Ring gears

Split Bull Gear for Sugar Mill Cane Crusher

Split bull gear for the final drive of a cane crusher, cast in ZG45 or ZG310-570 steel, machined to OEM drawings or reverse-engineered from a worn gear so it fits the existing pinion.

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Gear shafts

Custom Forged Steel Gear Shafts – Bevel & Helical

Made-to-order forged steel gear shafts in 4140, 4340 or 8620 alloy steel, with spur, helical or bevel teeth and carburizing, nitriding or quenching and tempering.

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Ring gears

Integral Internal and External Spur Gear

One-piece stepped hub with an external spur gear on the lower diameter and an internal spur gear in the upper bore; a radial oil hole feeds the internal mesh.

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Gear shafts

Girth Gear Pinion Shaft Assembly for Mills and Kilns

Pinion shaft assembly for the girth-gear drive of ball mills, rotary kilns and dryers: helical pinion, split bearing housings and a drum gear coupling at the input end.

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Gears & Pinions

Parallel-Shaft Helical Gear Pair

A matched helical gear pair: an integral gear shaft meshing with a large web-type helical gear. The pair reduces speed and raises torque and suits hardened-face reducers.

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Gear shafts

Custom Precision Worm Gear and Worm Shaft Set

Precision worm gear pair for 90° crossed-shaft drives: a hardened, ground steel worm in one piece with its shaft and a copper-alloy wheel with a bolted flange rim. High ratio, self-locking duty.

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Spur gears

Heavy-Duty Spur Gear with Internal Spline

Heavy-duty spur gear with an involute internal spline. External teeth transmit high torque; the spline fixes and drives the shaft. Used in heavy reducers and mining or metallurgical drives.

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Gear shafts

Heavy-Duty Integrated Spur Gear Shaft

One-piece heavy-duty spur gear shaft used as the driving pinion of industrial transmission systems, transmitting high torque and taking shock loads at low speed.

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Spur gears

Hardened Helical Cylindrical Gear

Hardened helical cylindrical gear with an integral hub, precision centre bore and radial oil holes, used as the driven wheel in gearboxes for speed reduction and torque multiplication.

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Gear shafts

Heavy-Duty Helical Gear Output Shaft Assembly

Heavy-duty low-speed helical gear output shaft assembly for industrial reducers, combining a large helical gear with an involute spline output shaft to transmit high torque under severe loads.

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Spur gears

Parallel-Shaft Helical Gear Pair for Reducers

A parallel-shaft helical gear pair: the pinion takes the input and the large wheel drives the output, forming the single-stage reduction unit of an industrial gearbox. Made to drawing.

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Gear shafts

Hardened Helical Gear Shaft

One-piece helical gear shaft with ground, induction-hardened tooth flanks, used as a medium- to high-speed input gear in reducers and industrial gearboxes.

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Ring gears

Large Helical Ring Gear for Industrial Gearboxes

Thin-disc helical ring gear, also supplied as a split driven ring, that meshes with the pinion in parallel-shaft and industrial gearboxes to reduce speed and raise torque.

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Ring gears

Integral Internal/External Spur Ring Gear

One-piece ring gear combining external spur teeth with an internal spur ring, used in heavy-duty planetary drives and reducers.

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Spur gears

Heavy-Duty Large-Module Spur Gear

Heavy-duty large-module spur gear with a keyed bore and end-face oil holes, built for low-speed, high-torque speed reduction in heavy industrial drives.

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Internal gears

Precision Internal Ring Gear with Locating Shoulder

Precision involute internal ring gear with a stepped locating shoulder, used as the fixed member in planetary reducers; hardened tooth flanks support high load and accuracy.

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Spur gears

Heavy-Duty Large-Modulus Spur Gear with Keyed Bore

A heavy-duty straight spur gear with a large module, wide face, keyed bore, and end-face lubrication and disassembly holes. It is designed for low-speed, high-torque industrial drives.

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Ring gears

Large Split Girth Gear for Rotary Kilns and Ball Mills

A split-type girth gear with external spur teeth, a ribbed steel web, and an inner bolt flange. It drives rotary kilns, ball mills, and similar heavy-duty drums at low speed and high torque.

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Spur gears

High-Precision Large-Module Straight-Tooth Gear Rack

Heavy-duty straight-tooth gear rack for converting rotary motion into linear motion. Precision-machined for high load capacity and available in multiple sections for long travel.

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Gear shafts

Spiral Bevel Gear Pair with Integral Pinion Shaft

A 90° shaft-angle spiral bevel gear set for speed reduction and torque transmission. Its pinion is integrated with the shaft to suit heavy-duty and shock-loaded drives.

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Gear shafts

Heavy-Duty Large-Module Spur Gear Shaft

One-piece large-module straight spur pinion shaft for low-speed, heavy-load drives, with stepped bearing journals, keyway and center holes; custom-machined to drawing.

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Gear shafts

Integrated Spur Gear Shaft with External Spline Input

A one-piece straight spur gear shaft that combines a pinion gear, stepped bearing journals and an external involute spline input, typically forged from 42CrMo or 20CrMnTi for heavy-duty gear drives.

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Gear shafts

Heavy-Duty Helical Gear Shaft with Splined Output

Integral forged helical gear shaft that combines a wide-face helical gear, a stiffened shaft body with a locating flange shoulder, and an involute splined output end for heavy-duty torque transmission.

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Spur gears

Herringbone Gear with Internal Spline Connection

One-piece double-helical gear body with a high-precision internal spline bore, made for heavy-duty gearboxes and reducers where high torque and smooth, quiet running are required.

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Transmission shafts

Wind Turbine Main Shaft

Forged steel main shaft for 850 kW–5 MW wind turbines, made from 34CrNiMo6 or 42CrMo4, machined to IT6 with Ra 0.8 and 100% UT/MT inspection.

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Rolls

Custom Industrial Drive Pinch Roller Shaft

Custom pinch rollers, drive rollers and process rollers made to drawings. Materials: 45#, 42CrMo forged steel or stainless steel. Hard chrome plating, rubber or polyurethane covering and dynamic balancing available.

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Transmission shafts

Large Multi-Spline Stepped Transmission Shaft

Large multi-spline stepped transmission shaft for heavy-duty drives, supporting transmission parts and transmitting high torque; splines center and fix the shaft circumferentially. Made to drawings.

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Rolls

High-Pressure Grinding Roll Assembly

Roll assembly for high-pressure grinding mills: a hardfaced wear layer on the roll body and precision-machined stepped journals, rebuildable by re-welding for cement and mining comminution.

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Rolls

Spiral Groove Crane Drum Assembly

Welded steel drum body with a forged shaft, joined by a bolted end flange. Continuous spiral grooves spool the rope evenly for cranes, winches and mine hoists.

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Custom reducers

Inline Helical Gear Reducer with B5 Motor Flange

Inline helical gear reducer with B5 motor flange, solid output shaft with tapped centre hole and foot mounting. Reduces motor speed and multiplies torque for general industrial drives.

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Custom reducers

T-Type Spiral Bevel Gear Drive Box

T-type spiral bevel gear drive box turns power through 90° between input and output shafts. Basic 1:1 ratio, grey iron housing, oil-bath lubrication.

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Custom reducers

Parallel Shaft Hardened Tooth Surface Industrial Gearbox

Heavy-duty parallel shaft gearbox for reducing speed and increasing output torque in continuous industrial drive systems. The housing is a ribbed cast iron casting, with hardened tooth surface helical gears and oil bath lubrication.

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Couplings

Forged Flange Coupling Hubs

Forged flange coupling hubs in 42CrMo, 45# or Q345, CNC turned, milled and drilled, with quenching and tempering and custom bore, flange and coating options.

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Couplings

Friction Torque Limiter (Adjustable Overload Clutch)

A mechanical overload clutch that slips when torque exceeds a preset limit and re-engages automatically, protecting motors, gearboxes and driven parts from jam damage.

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Bearing housings

Heavy-Duty Precision Bearing Housing

A machined bearing housing that supports large transmission shafts in metallurgy, mining and heavy drive equipment, with a ribbed box body and a precision-machined bearing seat.

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Machined structures

Heavy-Duty Cast Multi-Groove V-Belt Pulley

A cast pulley with multiple parallel V-grooves on a ribbed, lightened web. It drives belts on crushers, ball mills, fans, pumps and conveyors.

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Couplings

Drum Gear Coupling

Drum gear coupling built from two crowned external-tooth hubs joined by bolted internal-tooth flanges. It links two shafts, carries high torque and compensates radial, angular and axial misalignment.

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Couplings

Heavy-Duty Cardan Joint Fork

A one-piece forged fork for heavy-duty cardan shafts: two coaxial machined journals carry the bearings, and the U-shaped opening takes the cross journal and mating fork to form the joint.

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Couplings

Internal-Spline Drum-Gear Coupling Sleeve

A half-coupling with an internal involute spline and external drum-shaped gear teeth. It connects shafts, meshes with a ring gear, transmits high torque and compensates misalignment.

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Bearing housings

SN/SNU Split-Type Heavy-Duty Bearing Housing

Split cap-and-base bearing housing that supports rotating shafts and typically carries spherical roller bearings, with slotted base holes for alignment adjustment.

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Custom machined parts

Heavy-Duty Wire Rope Sheave for Cranes and Excavators

Custom sheaves machined from forged C45 or 42CrMo, or cast ZG310-570 steel, with a precision rope groove and optional hardening.

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Assemblies

Horizontal Ball Mill Shell Assembly

Heavy horizontal steel shell assembly with a black riding ring for rotary support, bolted inspection manholes and replaceable wear liners inside. Built for mineral, cement and metallurgical grinding.

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Assemblies

Ball Mill Shell

A horizontal ball mill shell rolled and welded from thick steel plate. Flanged ends locate the end covers and trunnions, and bolts on the outer wall clamp the wear liners.

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Other OEM Parts

Conveyor Parallel Idler Roller

Seamless steel tube roller body with sealed bearings at both ends, supporting belt and bulk material on belt conveyors. Interchangeable, suited to dusty, heavy-duty service.

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Assemblies

Segmented Wedge Wire Screen Drum

Vertical cylindrical screen drum of three bolted flange sections. Wedge wire welded screen gives high open area and self-cleaning flow; used for screening and dewatering.

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Assemblies

Mill Scoop Feeder

Vertical shaft impact crusher crushing chamber assembly, welded cylinder and flange-connected conical top cover, with replaceable wear liners on the side, used for sand making and aggregate shaping.

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Assemblies

Ball Mill End Cover Assembly

Welded steel end cover assembly for ball and rod mills. It mates with the mill shell to form a closed grinding chamber and carries the trunnion support interface.

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Assemblies

Ball Mill Shell Assembly with Hollow Trunnion

Horizontal ball mill shell assembly: a welded drum, a bolted end cover and a machined hollow trunnion that carries the grinding charge and lets material and air pass through.

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Assemblies

Multi-Rope Mine Hoist Friction Wheel Assembly

Main friction wheel assembly for multi-rope mine hoists: welded spoke-type wheel body with grooved rim and friction linings, main shaft in a split bearing housing, welded base frame.

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Mining spares

Cone Crusher Main Shaft Assembly

One-piece cone crusher shaft assembly with a tapered cone body and stepped journals at both ends, driven in an eccentric swing to crush ore and rock.

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Mining spares

Cone Crusher Bowl Liner (Stationary Cone Liner)

One-piece cast bowl liner for the stationary side of cone crushers. Machined locating faces and lifting lugs support installation and replacement in abrasive crushing duty.

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