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Luoyang Heavy Machinery Co., Ltd.
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Girth Gears

Girth Gears

Country/Region china

Company Luoyang Heavy Machinery Co., Ltd.

Categories Rotary Kiln

Update 2016-10-31 17:18:45

ICP License Issued by the Chinese Ministry

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Girth Gears

Girth Gears

Girth Gears offered find extensive application in different industry sectors including in sponge iron plants, steel & cement industry, mining industry, wind mills as well as in other industry sectors. These are made available in module range of 10 Module to 70 Module and in minimum diameters of 100 mm to 15000 mm. Further, these comprise maximum weight of 70 MT single pieces. Here the range ofhardened & ground gear boxes/gears comprise Worm gear boxes, Helical/ Double helical gears/gearboxes, Helical-Bevel gearboxes, PlanetaryGearboxes and others.

CITIC IC Girth Gear Cutting Machines include:

  • 16m CNC Hobbing Machine
  • 12m Gear Cutting Machine (Switzerland)
  • 10m Hobbing Machine (Germany)
  • 4m CNC High Speed Hobbing Machine (Germany)
  • 1.6m Horizontal CHC Hobbing Machine (Germany)
  • 5m CNC Profile Gear Grinding Machine (Germany)
  • 2.8m CNC Profile Gear Grinding Machine (Germany)
  • 1.25m CNC Profile Gear Grinding Machine (Germany)
  • 1m CNC Profile Gear Grinding Machine (Germany)
  • 0.8m CNC Profile Gear Grinding Machine (Germany)
  • Automatic positioner

Module Range10 Module to 70 Module.

DiameterMin 100 mm to16000 mm.

WeightMax 120 MT single piece.

Hardened & Ground Gear Boxes/Gears:

  • Worm gear boxes
  • Helical / Double helical gears/gearboxes
  • Helical-Bevel gearboxes
  • Planetary Gearboxes
  • Hardened & Ground Helical- bevel gears & Spiral-bevels gears/gearboxes.
  • Rack & Pinions

Ratings:

  • Min 3 hp to Max 1400 hp
  • Splash / Forced lubrication type
Send Enquiry
With more than 1000 girth gears sold over the world CITICIC Gear is a leading supplier in the cement and mineral industry. And as member of AGMA (American Gear Manufacturers Association), we do actively take part in defining the standard for gear rating calculations and service factors.

We provide girth gears in three different designs

  • Fabricated steel
    - forged ring
    - rolled plate
  • Cast steel
  • Ductile (Nodular) cast iron

Fabricated gears became more common in the past and are constructed with forged steel gear rim materials and electro welded body structure. The rings are manufactured from a whole block of high resistance alloy steel. After the rough machining of the ring, we carry out hardening and tempering heat treatment in order to improve the mechanical characteristic and therefore its relevant performance.

Avantages of fabricated girth gears

  • The forged material structure excludes the risk of inclusions
  • Structure defects like gas holes, micro shrinkage, pin holes, hot tears, sand and slag inclusions are avoided
  • Hence, repair welding of the body structure and e.g. grinding of toothed areas is not required.
  • The fabricated manufacturing procedure excludes the need for patterns and risers
  • Rim material has higher hardness and higher strength than the material used for the underlying structure (i.e. web, gussets)

These features will reduce the lead time and costs.Fabricated manufacturing ensures a fast delivery.

This is especially beneficial in an emergency situation, where the existing gear rim is suffering from damage

Features

  • External teeth
    Maximum diameter: 11200 mm
    Toothed face width: 1700 mm
    Maximum module: 45 by hob
    Maximum module: 65 gear finishing cutter
  • Internal teeth
    Maximum Diameter: 6500 mm
    Maximum module: 25.4
    Toothed face width: 400 mm

Forging material process
Forging
Final ro


Product Tags:

helical bevel gears

      

spiral bevel gears

      

ground spiral bevel gear s

      
China Girth Gears

Girth Gears Images

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