Beijing GEARX Co., Ltd.

0086-10-64925308
sales@gearx.cn

Casting Products

GEARX, founded in 2001, specialized in the supply of large-sized gear products, mainly focus on the design, manufacture, sales as well as related services of girth gears, including cast steel girth gear, ductileiron girth gear and welded structural girth gear with a maximum diameter of 16 meters and the highest accu-racy could reach AGMA 10 or GB6.->All Applications
Girth Gears

Girth Gears

Tooth Quality：AGMA12/DIN6/GB6
Diameter：≤ 16m
Material：ZG42CrMo, ZG35CrMo, ZG40CrNiMo，ZG42CrNi2Mo, ZG42CrNi2Mo4, ZG230-450, ZG270-500，ADI  ductile iron
Inspection： MT, UT, dimensions and tolerances, hardness, chemical composition, mechanical properties  
Third party inspection：Available according to user requests
Application：ball mills, ball mills, AG mills, SAG mills, rotary kilns, rotary dryers
Application industry：mine, cement, construction, metallurgy, electric power, paper making 
Applicable brand：FLSMIDTH, KHD, METSO OUTOTEC, SEW, DAVID BROWN, FERRY CAPITAIN, ELECMETAL, FECCO, VALMET, SINOMA, SINOSTEEL, CITIC, NHI, PENGFEI
Mill Heads (End Covers)

Mill Heads (End Covers)

Diameter：≤ 10m
Material：ZG35CrMo, ZG45，ZG270-500
Inspection：MT, UT, dimensions and tolerances, hardness, chemical composition, mechanical properties  
Third party inspection：Available according to user requests
Applications：ball mills, ball mills, AG mills, SAG mills
Application industry：mine, cement, construction, metallurgy, electric power 
Applicable brand：FLSMIDTH, KHD, METSO OUTOTEC, SEW, DAVID BROWN, FERRY CAPITAIN, ELECMETAL, FECCO, VALMET, SINOMA, SINOSTEEL, CITIC, NHI, PENGFEI
Mill Hollow Shafts

Mill Hollow Shafts

Diameter：≤ 6m
Material：ZG35CrMo, ZG45，ZG270-500
Inspection：MT, UT, dimensions and tolerances, hardness, chemical composition, mechanical properties  
Third party inspection：Available according to user requests
Applications：ball mills, ball mills, AG mills, SAG mills
Application industry：mine, cement, construction, metallurgy, electric power, paper making 
Applicable brand：FLSMIDTH, KHD, METSO OUTOTEC, SEW, DAVID BROWN, FERRY CAPITAIN, ELECMETAL, FECCO, VALMET, SINOMA, SINOSTEEL, CITIC, NHI, PENGFEI
Kiln Tyres

Kiln Tyres

Weight：≤ 150 tons
Material：ZG45, ZG35Mn, ZG35SiMn, ZG42CrMo
Inspection：MT, UT, Dimensions and tolerances, hardness, chemical composition, mechanical properties  
Third party inspection：Available according to user requests
Applications：rotary kilns, rotary dryers
Application industry：mine, cement, construction, metallurgy, electric power 
Applicable brand：FLSMIDTH, KHD, METSO OUTOTEC, SEW, DAVID BROWN, FERRY CAPITAIN, ELECMETAL, FECCO, VALMET, SINOMA, SINOSTEEL, CITIC, NHI, PENGFEI
Slag Pots

Slag Pots

Weight：≤ 150 tons
Material：ZG230-450, ZG270-500, QJX-01
Inspection：MT, UT, dimensions and tolerances, hardness, chemical composition, mechanical properties  
Third party inspection：Available according to user requests
Application：blast furnaces, converters, ladle refining furnaces, continuous castings
Application industry：metallurgy, nonferrous metals 
Applicable brand：SMS DEMAG, VAI, DANIELY, GVA, CCE, METAL MASTER, CSC, POSCO, HYUNDAI, YK STEEL, KOBELCO, NSSMC, SANYO, JSW, DONGKUK STEEL, NISSHIN, SEAH, SEAH, DAIDO STEEL, TATA, JSPL, AICHI STEEL, DAEHAN STEEL, NISSHIN, BHUSHAN, JFE 
Gyratory Crusher Beams

Gyratory Crusher Beams

Weight：≤ 100 tons
Material：GR70-40, ACMl 506, ZG270-450
Inspection：MT, UT, dimensions and tolerances, hardness, chemical composition, mechanical properties 
Third party inspection：Available according to user requests
Applications：gyratory crusher
Application industry：Mine, cement, construction, metallurgy, electric power 
Applicable brand：METSO OUTOTEC, SANDVIK, CITIC, NHI
Beijing GEARX Limited
About Us

Beijing GEARX Limited

GEARX, founded in 2001, specialized in the supply of large-sized gear products, mainly focus on the design, manufacture, sales as well as related services of girth gears, including cast steel girth gear, ductile iron girth gear and welded structural girth gear with a maximum diameter of 16 meters and the highest accuracy could reach AGMA 10 or GB6.
Read More Contact Us
Design
Design
We can do product design, pro-cess design, material design and finite element analysis of large steel castings. according to client’s requirements, we will do design scheme, process scheme, and then finish the production and quality control.
Foundry
Foundry
It is able to produce 900 tons steel melt, cast 700 tons steel ingots, and manufacture 600 tons cast steel parts.
Heat Treatment
Heat Treatment
It is able to treat castings and forgings with a maximum length of 30 meters and a maximum diameter of 17.5 meters.
Machining
Machining
It is able to machine castings and forgings with a maximum diameter of 16 meters, a maximum height of 18 meters, a maximum length of 40 meters, and a maximum weight of 200 tons, as well as the ability to machine gears with a maximum diameter of 16 meters and the highest accuracy could reach AGMA10 or GB 6.
Main Products

Girth Gear Products
Large diameter
High precision

The large girth gear products include cast steel girth gear, welded structural girth gear and ADI  ductile iron girth gear
Ø  16  M
Maximum Diameter
AGMA  10
Highest precision
GB  6
Highest precision
Simulation optimization
Simulation optimization
Simulate the casting process and
optimize the product design
Production process quality <br>control
Production process quality
control
The production process follows the
provisions of ISO 9001:2015
High quality
High quality
Material properties according to the AGMA6114 level M2,  
the UT and MT flaw detection would reach level 2 of
national standard
(Level 1 can be provided if special requirements)
Tooth grinding with <br>high precision
Tooth grinding with
high precision
The tooth precision grade can reach
AGMA10 or GB6

Products Capabilities

GEARX's production capabilities include casting capabilities, heat treatment capabilities,machin-
ing capabilities, teeth milling, teeth hobbing and teeth grinding capabilities
Foundry Capability more

Foundry Capability

It is able to produce 900 tons steel melt, cast 700 tons steel ingots, and manufacture 600 tons cast steel parts
  • 400t Vacuum Ingot Chamber
  • 150t Ladle Refining Furnace 
  • 125t Electroslag Remelting Furnace
  • 120t VOD Furnace
  • 80t Ulta-high Power Electric Arc Furnace
  • 75t Ladle Refining Furnace 
  • 60t Ladle Refining Furnace 
  • 60t Mobile Phenolic Resin Sand Mixer
Heat Treatment Capability more

Heat Treatment Capability

It is able to treat castings and forgings with a maximum length of 30 meters and a maximum diameter of 17.5 meters.
  • 18mx9mx5m Trolley-type Heat Treating Furnace
  • 16mx10mx5m Trolley-type Heat Treating Furnace
  • 14mx8mx5m Trolley-type Heat Treating Furnace
  • 12mx8mx6m Trolley-type Heat Treating Furnace
  • 8mx8mx4.5m Trolley-type Shot Blast Machine
  • 8mx8mx4.5m Trolley-type Shot Blast Machine
  • Ф17.5m Pit Furnace 
  • Ф19m Quenching Tank
  • 16mx6m Quenching Tank
Machining Capability more

Machining Capability

It is able to machine castings and forgings with a maximum diameter of 16 meters, a maximum height of 18 meters, a maximum length of 40 meters, and a maximum weight of 200 tons, as well as the ability to machine gears with a maximum diameter of 16 meters and the highest accuracy could reach AGMA10 or ISO6.
  • Φ16m CNC Gear Grinding Machine
  • Φ8m CNC Gear Grinding Machine
  • Φ5m CNC Gear Grinding Machine
  • Φ16m CNC Gear Hobbing Machine
  • Φ12m CNC Comb Machine
  • Φ10m CNC High-speed Gear Hobbing Machine
  • Φ22m CNC Heavy-duty Vertical Lathe
  • Φ16m CNC Heavy-duty Vertical Lathe
  • Φ10m CNC Heavy-duty Vertical Lathe
  • Φ16m Radial Drilling Machine
  • Φ20m double-column Vertical CNC Heavy-duty Milling Machine
  • Φ10m Double-column Vertical Lathe Milling Complex Machining Center
  • Φ9m CNC Double-column Boring and Milling Machine
  • Φ6.5m CNC Double-column Boring and Milling Machine
  • Φ6m CNC Heavy-duty Horizontal Lathe
  • Ф4.2m CNC Heavy-duty Horizontal Lathe
Molding&Core Making Capability more

Molding&Core Making Capability

It is able to manufacture forged steel parts with a maximum weight of 450 tons, a maximum diameter of 16 meters, and a maximum length of 8.5 meters.
  • 80000 t Die Forging Press 
  • 20000 t Die Forging Press
  • 18500t Open Forging Oil Press
  • 13500t Open Forging Oil Press
  • 5000t Open Forging Oil Press
  • 3200t Open Forging Hydraulic Press
  • 7500t CNC Ring Rolling Machine
  • Φ16m CNC Ring Rolling Machine
  • Φ5m CNC Ring Rolling Machine

Quality Assurance Documents

  • Certificate of chemical composition
  • Mechanical properties test report
  • Metallographic tissue test report
  • Heat treatment recording curve report
  • Ultrasonic flaw detection inspection report  
  • Magnetic particle flaw detection inspection report
  • Appearance inspection report
  • Hardness test report
  • Roughness test report
  • Dimensional and tolerance inspection reports
  • Tooth accuracy grade inspection report
Certificate5
Certificate4
Certificate3
Certificate2
Certificate
Only the High Quality Casting Steel Can
Produce Qualified Girth Gears
Impact Resistance
Breakage Resistance
Wear Resistance
Fatigue Resistance
Spalling Resistance
Plastic Flow Resistance
Get a Quote
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