CONSTROMECHTMEngineering Solution

Industries · Mining

Mining IndustryChain Equipment & Undercarriage Systems

Chain equipment for every stage of a mining plant: what each machine does, the chain it runs on and the design data behind it — with the CONSTROMECH products that go into it.

Get a quote for your plant Mining Services
6
Plant stages
11
Equipment systems
6
Chain types

Follow the material flow

Chain equipment, stage by stage

Plant zones in the order material moves through them. Each machine lists its duty, the chain it runs on and the design points we build to.

01

Surface Mining – Primary Extraction & Transport

1 equipment system

At a glance · Extraction & Crushing Feed

Apron Feeders & Armoured Chain Conveyors
Massive capacities (300–1 200 t/h+) (Higher customizable sizes available), robust against rock abrasion.
Deep Pan & Drag Conveyors
Long-distance horizontal transport of coal, ore, aggregates.

At a glance · Reclaimers / Stockyards

Stackers & Reclaimers
Plate-chain buckets and scraper chains for stacking large batches, reclaiming into process streams.

Apron Feeders (ROM bins / Tippler feed)

  • Purpose: Feed large-size raw coal, iron ore, or bauxite from tippler hoppers or dozer-traps.
  • Chain Type: Heavy-duty forged link chains, pin diameters 40–60 mm.

Design Specs

  • Capacity: 800–3000 TPH (Higher customizable sizes available).
  • Manganese or alloy steel pans (replaceable).
  • Withstand direct impact from 1–2 m drops.
  • Reversible hydraulic or electro-mechanical drive units.
We makeApron Feeder Chain

02

Crushing & Screening Zones

2 equipment systems

Drag Chain Feeders (Primary crusher inlet)

  • Purpose: Controlled feed of rocks to crushers.
  • Chain Type: Drop-forged double strand with flight bars.

Design

  • Slow-speed dosing of bulk material.
  • Built-in interlocking with crusher drive.
We makeDrag Chain Conveyor

Underground Chain Conveyors (Longwall / Bord & Pillar)

  • Chain Type: Twin-strand round link chain (DIN 22252/764).

Specifications

  • Suitable for ATEX / methane zone rated.
  • Hardened scraper bars with side-bolted links.
  • Designed for high-volume continuous haulage systems.
We makeRound Link Chain

03

Silo Feeding & Bunkering

1 equipment system

Bucket Elevators (Ore or coal fines feeding to silos)

  • Chain Type: Central or round link forged chain.

Features

  • Designed to handle granular ores, coal, or slag.
  • Wear-resistant buckets with edge reinforcement.
  • Capacities: 200–1000 TPH (Higher customizable sizes available).
  • Lift heights: up to 60 m. (Higher customizable sizes available).
We makeRound Link Chain ElevatorPlate Link Chain ElevatorRound Link Chain

04

Dust Handling & Ash Collection

1 equipment system

Enclosed Flow / Drag Chain Conveyors

  • Purpose: Conveying filter dust, dry ash, fine ore residues.
  • Chain Type: Drop-forged scraper chain.

Key Features

  • Explosion-proof optional.
  • Dust-tight housing.
  • Low maintenance and enclosed for safety in deep pit handling.
We makeDrag Chain ConveyorRound Link Chain Conveyor

05

Stockpile Reclaiming Systems

2 equipment systems

Reclaimers (Portal or side scraper)

  • Purpose: Recover coal, ore, or additives from open stockpiles.
  • Chain Type: Round link chain with scraper blades.

Design

  • Automated reclaim with feed control.
  • Integrated with stacking systems.
We makeStacker & Reclaimer ChainRound Link Chain

Mobile Surface Reclaim Conveyors

Track-mounted drag chain systems usable on uneven terrain.

06

HEMM (Heavy Earth Moving Machinery) – Undercarriage Components

4 equipment systems

Track Chains for Dozers, Excavators, and Shovels

  • Type: Sealed & lubricated or dry track chains (sealed and greased for extended life).
  • Size Range: Track pitch from 135 mm to 260 mm (Higher customizable sizes available).
  • Material: 35CrMnMo, Boron-treated alloy steel.
  • Hardness: Core 35–40 HRC; surface 50–58 HRC.

Features

  • Heat-treated bushings, press-fit pins.
  • Anti-corrosion phosphate coating optional.

Track Pads / Shoes

  • Application: Dozers, hydraulic shovels, drills.
  • Type: Cast manganese or fabricated shoes.

Features

  • Triple grouser, flat, and swamp-type available.
  • Weld-on or bolt-on designs.
  • Drilled with standard hole pitch or customized per undercarriage.

Sprockets & Idlers

  • Type: Segmented sprockets, single piece forged sprockets.
  • Material: Cast or drop-forged steel with hardened teeth.
  • Use: Matched to track pitch; available for Komatsu, BEML, CAT, Tata Hitachi machines.

Features

  • Machined mounting surface with tight tolerances.
  • Surface hardened to 50–55 HRC for wear resistance.
We makeSprocket & Shaft Assembly

Carrier & Bottom Rollers

Sealed-for-life options available.

Suitable for high-shock mining terrain.

Chain Types & Component Summary

Component / Chain TypeApplication AreaKey Characteristics
Forged Link ChainApron Feeders, CrushersHigh impact strength, alloy-hardened links
Drop Forged Scraper ChainDust/ash flow conveyors, reclaimersRugged scraper chains with replaceable flights
Round Link Mining ChainUnderground conveyors, longwall systemsWelded closed loops, case-hardened surface
Central ChainBucket elevators, pan conveyorsPrecision pitch, high wear resistance
HEMM Track ChainsDozers, Excavators, DrillsHeat-treated pins/bushings, sealed or greased
Track PadsUndercarriage ground contactTriple grouser, bolt-on type with ribbed surface

Made by CONSTROMECH

Equipment we supply for mining plants

All products
Apron Feeder Chain

Apron Feeder Chain

9 sizes

Forged apron feeder chains with wear-resistant pans for slow-speed, heavy-load conveying of high-impact, abrasive or large-size material in surge hoppers, crushers and kilns.

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Drag chain conveyor chain with flight bars

Drag Chain Conveyor

Drag chain conveyor chains and matched sprocket assemblies for clinker, ash and other abrasive bulk material.

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Round link chain bucket elevator assembly — chains, shackles and bucket

Round Link Chain Elevator

Customised round link chain bucket elevator solutions — chain, sprocket and shaft assemblies, attachments, buckets and boot bearings engineered to work together.

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Central plate link chain bucket elevator with head sprocket

Plate Link Chain Elevator

Pin-bush type plate link chain elevators, supplied with the assemblies that govern the whole elevator — chain, sprockets, rim wheels, buckets and boot bearings.

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Stacker reclaimer chain

Stacker & Reclaimer Chain

31 sizes

Chains for bridge-type reclaimers and stackers in cement and power plant yards — continuous duty on abrasive limestone, coal and clinker with minimal wear.

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Round link chain sprockets on drive shaft

Sprocket & Shaft Assembly

55 sizes

Complete, ready-to-install drive and tail sprocket assemblies for chain bucket elevators and chain conveyors — machined, balanced and test-mounted so your crew can fit, torque and run.

View sizes & details
Mining ServicesRetrofit, capacity enhancement, conversion and commissioning — zone by zone through your mining plant.View services

CMECH Technical Services

How our field team supports mining plants

Every engagement is carried out by our own field engineers — from the first inspection to commissioning and hand-over.

How we work

  • Site Inspections & Equipment Audits

    Bucket elevators, conveyors, ash systems, reclaimers

  • Installation & Commissioning Supervision

    Chains, buckets, bearings, drive units, structural supports

  • Corrective & Preventive Maintenance

    Hot/cold chain replacement, sprocket rebuilds, belt tracking

  • Retrofit & System Upgradation Projects

    Chain-to-belt elevator conversions, scraper design mods, capacity enhancements

  • Operational Optimization Support

    Root cause analysis, performance tuning, load balancing

Other industries we serve

All industries

Chains or spares for your mining plant?

Send us your drawing or requirement — we respond within one business day.

Request a Quote+91 88159 46458