Internal Annulus Ring Gear
Product Specifications
| Prod Model: |
Inner Gear |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Type: |
Circular Gear |
| Manufacturing Method: |
Hobbing & Carburizing & Grinding |
| Toothed Portion Shape: |
Customized |
Product Description
APMC manufactures numerous styles of Gears. Each Gear has a specific purpose and serves its own particular application. Engineering and application support is the heart of APMC. Our Engineering staff offers design and analysis services as well as after-sale technical support and troubleshooting.
APMC has been synonymous with quality for years, but the road to quality has been paved with numerous inspections and long lead times. Now APMC's Six Sigma Quality Program is aimed at the goal of improving PROCESSES to ensure high quality and shorten lead times. We want to be YOUR Supplier of Gears and other precision components for manufacturing.Internal Spur Gears
Internal Spur Gears Defined: a Gear having straight teeth cut on the inner rim, parallel to the axis of rotation
» Spur gear turned "inside out", teeth are cut into the inside diameter
» Cost-effective & durable
» Designed to transmit motion & power between parallel shafts, which rotates in the same direction
» Ideal for light-duty applications
» Plastic, brass, steel, & aluminum are the materials generally used for manufacturing
» Internal gears are also used in positioning equipments, roller tools, indexing equipments & timing systems
Note: in order for internal & spur gears to work together (mesh) they must have the same diametral pitch (pitch) & pressure angle (PA)

Gears precision mapping table relationship |
Individual tolerance | Fa | ISO; GB/T | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
DIN | 3 | 4 | 5 | 5 | 6 | 7 | 8 | 9, 10 |
JIS | -- | 0 | 1 | 2 | 3 | 3 | 4 | -- |
AGMA | 15 | 14 | 13 | 12 | 11 | 10 | 9, 8 | 7, 6 |
Fi ' ' | ISO; GB/T | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
DIN | -- | 5, 6 | 7 | 8 | 9 | 10 | -- | 11 |
AGMA | -- | 14, 13 | 12 | 11 | 10 | 9 | 8 | 8 |
Fi ' ' | ISO; GB/T | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
DIN | -- | 5 | 6 | 7 | 8 | 9 | 9 | 10 |
AGMA | -- | 13 | 12 | 11 | 10 | 9 | 8 | 7 |
ISO 1328.1-1997/ISO1328.2-1997_ _ National standards DIN 3961-8~967-8----German standard JIS B1702~1703(85)-----The Japanese standards ANSI/AGMA 2000-A88-----American standards GB/T 10095.1-2001/GB/T10095.2-2001-----Chinese standard |
Suzhou Asia Pacific Metal Co., Ltd. Located in Suzhou City, Jiangsu Province, China, is a first rate gear manufacturer and gear supplier now specializing in manufacturing Helical Gears. Our diverse product line includes spur gears, helical gears, double-helical gears, gear shafts, gear rings.
Suzhou Asia Pacific's manufacturing equipment includes 4 sets of German NILES CNC gear grinding machines, 2 sets of Hofler CNC gear grinding machines, and 7 thermal treatment systems. All of our equipment utilizes leading international technology. Our capacity for thermal treatment ranks among the best in Asia. As a truly international gear manufacturer and gear supplier, Suzhou Asia Pacific's product line is extremely broad, and our diverse international clientele includes companies from the USA, Europe, Japan, and Korea.
Suzhou Asia Pacific's stellar quality control system has been awarded with coveted ISO9008: 2000 certification. Our products uphold the highest international standards, including international standard ISO, American standard AGMA, Germany standard DIN, and Japanese standard JIS. The company boasts a team of excellent technical professionals and outstanding managers with the experience to guarantee high-quality production.
Suzhou Asia Pacific strives to keep its customers' needs at the center of all of its policies. The company offers extensive services to the fields of aviation, vessel, metallurgy, coal mining, oil field equipment, engineering machinery, pneumatic machinery and the transmission industry. If you are interested in any of our products, please do not hesitate to contact us. We look forward to future cooperation with you, our valued customer.
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