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| Place of Origin | Jiangsu China |
| Brand Name | Guangda |
| Certification | DNV, BV, Rina, ISO, GL, ABS, LR ,CCS ,PED |
Planetary Ring Gear Large Internal Ring Gears Steel Gears Suppliers
Internal gears, ring gears, and internal ring gears are interchangeable terms for the same type of gear. These gears are composed of a cylindrical shape having teeth inside a circular ring. The gear teeth of an internal gear typically mesh with the teeth of a spur gear. Spur gears have a convex-shaped tooth profile and internal gears have reentrant shaped tooth profile; this characteristic is opposite of internal gears.
Guangda is a leading manufacturer of gear box parts of the manufacturing specializing in gear box parts forging and precision machined and custom solutions in a variety of sizes and types. We provide different kind of products for the gear box parts including planet shaft ,sun shaft ,planet gear, internal ring gear, planet carrier ,head cover ,turque arm etc.
Internal Ring Gears Specification
| Max diameter | 5000mm |
| gear module | 5-40 |
| Process capacity | Turning, milling, boring ,gringding, completed machining, gear Gear Shaping ,Gear Hobbing, Gear Grinding capability. |
| Annular Capacity of the internal gears | 10000pcs |
| Machining | Turning, milling, boring ,grinding, finished machining, gear shaping ,gear hobbing, gear grinding capability. |
| Heat treatment | Normalizing, QT, annealing, carburizing, nitriding with complete heat treatment capacity |
| Surface treatment | High-pressure cleaning, sand blasting and thermal spraying. Complete surface treatment capability. |
Internal Ring Gears Supply Scope
| Internal gears and internal splines | |||
| Milling | Shaping | Tooth grinding | |
| Max O.D. | 5000mm | 2400mm | 5000mm |
| Max Face Width | 2200mm | 1100mm | 2200mm |
| Max module | M35 | M24 | M35 |
| AGMA leval/DIN leval | DIN3962 CLASS 8 | DIN3962 CLASS 8 | DIN3962 CLASS 4 |
| Tooth Surface finishing | Ra3.2 | Ra3.2 | Ra0.4 |
| Max helix angle | +30°/-45° | 0° | ±45° |
Precision Gears we could provide
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Planetary Gear Planetary gears, also called epicyclic gear trains, are used in complex applications that require smooth torque transmission, such as drivetrains and automotive transmissions. The spur gear used by planetary gears is called a “sun spur,” which is surrounded by three-plus exterior gears called planet gears |
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Internal Gear Planetary gears, also called epicyclic gear trains, are used in complex applications that require smooth torque transmission, such as drivetrains and automotive transmissions. The spur gear used by planetary gears is called a “sun spur,” which is surrounded by three-plus exterior gears called planet gears |
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Spur Gear The spur gear, also called a straight-cut gear, is the simplest type of gear available. Straight-sided along the gear wheel’s axis, with straight teeth in line with the axis. Other types of spur gears transmit motion and torque laterally through compatibility with other parallel aligned gears. Such gears are main components in planetary gears. |
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Spline Gear Spline gears are either cylindrical or rod-shaped with straight teeth that allow them to transmit motion laterally by fitting inside internal devices or gears. |
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Helical Gear Helical gears are fast rotating gears capable of supporting heavy loads efficiently and smoothly. They feature teeth inclined towards the axis of the shaft and positioned like a helix, thus the name. Quieter than many other gears, including spur gears, helical gears are popular with applications that feature both radial loads and thrust loads. |
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Double helical gear Double helical gears are a type of helical gear that has two helical faces next to each other with a gap between them. The helix angles on each face are identical but opposing. The use of a twin helical gear set lowers thrust loads and allows for even more tooth overlap and smoother operation. |
Internal Ring Gears Application
| Rail Vehicles | Oil and gas |
| Mining | Cement |
| Power Generation | Turbo |
| Hydro power | Wind Energy |
| Metallurgy | Sugar |
| Marine and shipbuiding | Machine tools |
| Recycling and processing plants | Rubber and plastics |
About Guangda for the gears manufacturing
1. Professional manufactuer for the gears with efficient technical team with an emphasis on cost effective production.
2. Guangda has material line and machining line could provide gear blanks and finished gears .
3. Customerized and one-stop to meet customer's requirements, provide the overall solution to customers .
4. More than 100 sets of professional gear machining equipment including PAMA,Gleason,Danobat,Kehren,Nicolas,Pierto carnaghi of the most advanced equipment in the world.
5. More than 70 sets of the gear heat treatment equioments including the nitriding ,tempering and carbonization for the gears .
6. Guangda is the largest supplier to the world's top three customers NGC,ZF and Siemens for the gear box parts.
7. In Chinese market, Guangda wind turbine gear steel ranks first in China for the capacity, quality and market share.
Completed supply chain--Guanda has the ability from Material of smelting ,forging ,heat treatment to the precision machining and the final surface treatment.
Comparing with companies who only make the material , we directly face the end customers and better understand customer's demand. Compared with comapanies who only do the processing, we can accurately control the quality of materials to meet the technical requirements of customers. In this way we could provide a holistic solution and control the cost of the whole process, meet the delivery time, and resist market risks.
| Smelting | Smelting capacity 500,000.00 ton/year . With own smeliting line of carbon steel,stainless steel, alloy steel and special steel . |
| Forging | Forging capacity 300,000.00 ton/year . With own professinal forging press machines 5000ton,4500ton,4000ton,3600ton,2000ton,1000ton and ring rolling mill machines and could manufacture the forging blank ourselves. |
| Rough machining | Turning, milling, boring different kinds of the rough machining equipment more than 100 sets |
| Precision machining | With the most advanced and modern equipment of PAMA ,Gleason ,Danobat,Kehren, Nicolas,Pierto carnaghi of precision machining including gear shaping ,gear hobbing, gear grinding etc. |
| Heat treatment line | With own professional equipment for heat treatment for Annealing ,Normalizing ,Tempering ,QT, Isothermal annealing,Stress relief , Nitriding , Carburize ,Case-hardening etc |
| Surface treatment | Advanced coating facilities such as high-pressure cleaning, sand blasting and thermal spraying. Complete surface treatment capability. |
| Inspection | UT,MT, With Gleason gear measuring instrument and Hexagon three coordinate detector |
Guangda is one of the leading gear manufacturers in China .We make various sizes of gears for different applications acoss multiple platforms . We have the experience and resources necessary to meet the demands of your business. You can count on our engineers and quality control teams to make the high-quality, custom gears you need.
All products are manufactured with the most advanced and modern equipment of PAMA,Gleason,Danobat,Kehren,Nicolas,Pierto carnaghi and efficient technical team with an emphasis on cost effective production.Guangda pursues excellence & innovation with tight quality control & the most advanced technology in the industry.
Guangda has deep and long cooperation with NGC ,Voith ,Flender and ZF for supplying the gear box parts . In Chinese market, Guangda wind turbine gear steel ranks first in China for the capacity, quality and market share .And Guangda is the largest supplier to the world's top three customers NGC,ZF and Siemens for the gear box parts.
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