Shenzhen FBA Science & Technology Co., Ltd.
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About us
Hangzhou Superior Transmission Machinery Co., Ltd., founded in 2003, has been producing high quality and high stability reduction gears.
We strive to be China’s best manufacturer of transmission equipment. Our target is to provide China’s enterprises with the best transmission system solution and service. Although difficult, we view it as our interest will actively realize it.
Our company is located beside the beautiful Qiantang River Bank, 7km away from Xiaoshan International Airport and 200km from Shanghai International Port. For superior commercial and production environment, this area is promoting the economic development of China and other regions around the world. We are lucky in this area and at the forefront of China’s development.
General Technical data
| Housing material | HT200 high-strength cast iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTiH alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 40CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Heat treatment | tempering, cementiting, quenching, etc. |
| Efficiency | 94%~96% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40°C |
| Temp. rise (Oil)(MAX) | 50°C |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | RenBen,LYC,NSK or other brand |
| Brand of oil seal | NAK,CTY,SKF,CFW or other brand |
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