Joy المستمرة معدن الطرازات, القطع قطع الغيار المستهلكة و القيادة قطع الغيار| ANRANST

Manufacturer image of the 12CM27, showing the solid cutterhead, gathering head, central conveyor, body and crawlers.

Manufacturer image of the 12HM, showing the Ripperveyor cutterhead, gathering arms, conveyor trough, body and running gear.

Manufacturer image of the MC51 with DynaCut dynamic undercutting technology. Its part relationships cannot be transferred directly from 12CM, 14CM or 12HM machines.

OEM المعدات Reference

Identify the Series and Cutterhead, Then Follow the Material Path to Parts

12CM and 14CM primarily serve room-and-pillar coal and soft-rock mining; 12HM handles industrial minerals such as salt, potash and gypsum; MC51 uses DynaCut for hard rock. Cutterheads, body heights, conveyors and drives differ substantially. The name “continuous miner” alone does not establish spare-part interchangeability.

4 Current core equipment series

12 Model and configuration entries

0.76–6.00 m Soft-rock series cutting range

12 Wear-part and core spare-part categories

Standard Models and Key Dimensions

Standard Joy 12CM, 14CM, 12HM and Komatsu MC51 Configurations

Cutterhead types, diameters, cutting heights and MC51 overall and tunnel dimensions follow Komatsu product pages and official series brochures. They support initial installation and spare-part identification.

Model / series	Cutterhead type	Cutterhead diameter	Cutting or tunnel range	Key identification information
12CM12	Solid head	Ø1,120 mm	1.40–4.60 m	Coal and soft rock; medium to high seams
12CM15	Solid head	Ø1,120 mm	1.40–4.60 m	Coal and soft rock; medium to high seams
12CM27	Solid head	Ø1,200 / 1,310 / 1,367 mm	1.60–5.00 m	High-production, medium to high seams; 965 mm conveyor
14CM10AA	Ripperveyor head	Ø762 mm	0.76–2.29 m	Low-seam configuration
14CM9A / 14CM9CC	Solid head	Ø865 / 965 mm	0.865–2.325 m	Low-seam configuration
14CM15CC / C / B / D / E	Solid head	Ø965 / 1,120 mm	0.965–3.40 m	Multiple body heights for low to medium seams
14CM27	Solid head	Ø1,120 mm	1.00–3.40 m	660 kW; 965 mm conveyor
12HM26	Ripperveyor head	Ø1,475 mm	1.82–4.60 m	Heavy-duty cutting of industrial minerals
12HM27	Solid head	Ø1,200 / 1,310 / 1,367 mm	1.70–5.00 m	Industrial minerals and high seams
12HM36	Ripperveyor head	Ø1,475 mm	1.90–4.60 m	Heavy-duty cutting of industrial minerals
12HM46	Ripperveyor head	Ø1,475 / 1,588 mm	1.86–6.00 m	Largest 12HM model; 965 mm conveyor
MC51	DynaCut dynamic undercutting head	Project-specific cutterhead	Maximum tunnel 5.2 × 5.2 m	Hard rock; overall 13.2 × 4.2 × 3.8 m

One model may have different body heights, drums, cutting widths, voltage/frequency, conveyors and regional configurations. Before manufacture, confirm the complete model, serial number, electrical specification, cutterhead, part position, drawing reference and used-part dimensions.

قطع الغيار المستهلكة

Picks, Holders, Drums, Gathering Heads and Conveyor Trough قطع الغيار المستهلكة

OEM sections prioritize official Joy / Komatsu cutterhead and machine images. Generic conveyor-flight photographs identify the part category only and do not imply Joy OEM interchangeability. Material options depend on position, impact, abrasion, temperature rise and failure mode.

Cutting Picks and Carbide Tips

Cutting Picks & Carbide Tips

Picks cut coal, salt, potash, gypsum or hard rock directly. Wear concentrates at the carbide tip, brazed joint and steel body. Check cutterhead type, holder, shank diameter, projection, rotation and rock strength.

Material selection: Tips follow a tungsten-carbide route; bodies require high-strength, tough alloy steel. Select grade, grain size, brazing and heat treatment together for impact, abrasion and temperature rise.

Tungsten carbide High-strength, tough alloy steel

Open the Common Cutting Pick Page →

Tool Holders, Retainers and Spray Protection

Tool Holders, Retainers & Spray Protection

Holders transfer pick loads to the drum and determine cutting angle, tip trajectory and replacement reliability. Adjacent nozzles and guards affect cooling and dust suppression. Check holder position, angle, weld boundaries, retention and water passages.

Material selection: Holders need impact toughness, weldability and local wear resistance. Hardfacing may be assessed for severe wear, provided pick angles and spray coverage remain correct.

Alloy steel for tool holders Wear-resistant hardfacing and repair

Open the Common Tool Holder Page →

Cutter Drums, End Rings and Wear Plates

Cutter Drum, End Rings & Wear Plates

Solid head and Ripperveyor head designs differ in drum body, end rings, helical or chain-plate zones and local wear plates. Check complete model, head type, drum diameter, cutting width, holder layout, rotation and drive interface.

Material selection: Follow the original drum design, including high-strength welded structures where specified. High-wear zones may use quenched and tempered wear plate and controlled hardfacing. Control weld distortion, dynamic balance and holder positioning.

Quenched and tempered wear plate Hardfacing and dimensional restoration

Open Common Cutter Drum قطع الغيار المستهلكة →

Gathering Heads, Arms and Wear Shoes

Gathering Head, Arms & Wear Shoes

The gathering head feeds cut material into the central conveyor. Arm tips, floor plates, side edges and shoes endure continuous abrasion and floor impact. Check left/right position, motion path, drive interfaces, thickness and clearance to the conveyor trough.

Material selection: Floor and side plates may use quenched and tempered wear plate. Review complex arms and toothed parts as high-strength alloy steel, welded structures and surface-restoration applications.

Quenched and tempered wear plate Load-bearing alloy steel

Open Common Gathering Floor قطع الغيار المستهلكة →

Central Conveyor Flights, Chains and Trough Liners

Conveyor Flights, Chains & Trough Liners

Cut material exits through the central flight conveyor. Flights, twin chains, connectors, sprockets and trough floor plates form a matched system. The illustration identifies a generic flight only. Joy miner parts still require conveyor width, chain specification, pitch and drive-end confirmation.

Material selection: Review flights and chains for high-strength wear-resistant alloy steel, forging or casting, and heat treatment. Trough liners require wear plate, welding and distortion-control checks.

Alloy steel for chains, flights and sprockets Conveyor trough wear plate

Open the Common Conveyor Flight Page →

Crawler Shoes, Skids and Stabilizers

Crawler Shoes, Skids & Stabilizers

Crawlers, underside skids and stabilizers support propulsion, cutting reaction and floor impact. Check model, left/right side, pitch, width, pin holes, support position, hydraulic connections and motion envelope.

Material selection: Crawler parts and pins require high-strength wear-resistant alloy steel and heat-treatment review; skids and guards require quenched and tempered wear plate. Analyse fracture and wear separately.

Alloy steel for crawlers, pins and drives Underside skids and guards

Open Common Heavy-Duty Running Gear →

قطع الغيار

Cutting, Gathering, Conveying, Traction, Hydraulic and Control Spares

Core spares follow the power path and assembly positions. Cutting principles, electrical specifications, gearboxes, hydraulics and interfaces differ across 12CM, 14CM, 12HM and MC51. Confirm each from complete installation records.

Cutter Motors, Boom and Gearcase

Cutter Motors, Boom & Gearcase

Cutter motors transmit high torque through gearcases to the drum, while the boom and lifting pivots take impact reactions. Check complete model, voltage/frequency, head type, output shaft, gear parameters, bearings, seals, cooling and lubrication.

Material selection: Gears, shafts and splines require drive alloy steel and surface-strengthening review. Check housings, bearings and seals against loads, fits, temperature rise and contamination.

Alloy steel for gears, shafts and splines Gearcase seal materials

Open Common Gears, Pinions and Shafts →

Gathering Head Drives, Arm Shafts and Bushings

Gathering Head Drives, Shafts & Bushings

Left and right gathering arms use electric, hydraulic or mechanical drives with gears, shafts, cranks, bushings, pins and supports. Check side, rotation, arm geometry, shaft diameter, keys or splines, and lubrication.

Material selection: Review shafts and gears for quenched and tempered or surface-hardened alloy steel. Bushings may use bearing copper alloys, steel-backed composites or the original design. Confirm fits and lubrication together.

Alloy steel for drive gears and shafts Bearing copper alloys and bushings

Open Common Bearings, Pins and Bushings →

Conveyor Sprockets, Tail Shafts and Tensioning Parts

Conveyor Sprockets, Tail Shaft & Tensioning

The central conveyor drive and return ends include sprockets, shafts, bearing housings, tensioners and chain interfaces. The illustration shows a generic sprocket. Confirm Joy model, conveyor width, chain pitch, tooth count, shaft diameter and mounting direction.

Material selection: Sprockets and shafts require heavy-duty drive alloy steel, tooth or surface heat treatment and nondestructive testing. Check housing bores, lubrication and seals separately.

Drive alloy steel for sprockets and shafts

Open the Common Conveyor Sprocket Page →

Traction Motors, Planetary Drives and Drive Sprockets

Traction Motors, Planetaries & Drive Sprockets

Left and right crawler drives propel and steer the machine. They include traction motors, brakes, planetary reductions, output shafts and drive sprockets. Check electrical specification, side, ratio, sprocket pitch, bearings and seals.

Material selection: Planetary gears, shafts and sprockets require high-strength drive alloy steel and surface strengthening. Confirm housings and supports against casting, fit and nondestructive testing requirements.

Traction gears and shafts Running-gear seal materials

Open Common Heavy-Duty Drive Components →

Hydraulic Pumps, Cylinders, Valve Blocks and الموانع

Hydraulic Pumps, Cylinders, Valves & الموانع

Hydraulics operate boom lifting, the gathering head, stabilizers and auxiliary mechanisms. For each position, provide pump or valve nameplates, cylinder and rod diameters, stroke, connections, pressure, and leakage or scoring records.

Material selection: Confirm rods and barrels against strength and surface-quality requirements. Select seals for pressure, temperature, fluid, speed and coal-dust contamination.

Alloy steel for hydraulic cylinder rods Hydraulic seals and engineering materials

Open Common الموانع and Hydraulic Parts →

OptiDrive Variable-Frequency Drives, Controls and Motor Interfaces

OptiDrive VFD, Controls & Motor Interfaces

Joy OptiDrive coordinates software, electrical and mechanical systems. Voltage, frequency and regional electrical standards affect inverters, contactors, motors, cooling and interfaces. Confirm against nameplates, schematics and the specific model.

Material selection: Control modules are not substituted through wear-material selection. ANRANST's technical review primarily covers their mechanical interfaces, enclosures, cooling structures, connectors and associated drive components.

Associated shafts and mechanical connectors

Open Heavy-Duty Electromechanical Component Review →

Can 12CM, 14CM and 12HM cutting parts be interchanged by appearance?

No. The series use Solid head or Ripperveyor head designs with different drum diameters, cutting widths, holder layouts, body heights, voltages and conveyors. Confirm complete model, serial number, head type and drawings.

Can coal continuous-miner parts be used for MC51 DynaCut?

Not directly. MC51 dynamically undercuts hard rock. Its cutterhead, tool paths, loads, materials and conveying structure differ from 12CM, 14CM and 12HM, requiring separate installation records.

What should be submitted without an OEM drawing number?

Provide the machine nameplate, complete model and serial number, cutterhead type and diameter, voltage and frequency, part position, used-part photographs, key dimensions, material test results and coal, rock or mineral conditions. These determine whether catalogue checking or physical measurement is appropriate.

Joy Continuous Miner الطرازات وقطع الغيار