Product Description
Ductile Iron Gearbox with Sand Cast Process
Product Description:
1) Material: Gray Iron, Ductile Iron.
2) Process:Resin sand casting.
3) Applied software for specification drawings: Pro/E, AutoCAD, Solidworks etc.
4) Facility: Electric furnace, cupola furnace, anneal furnace, sand mixing machine, shot blast chamber, various molding machine.
5) Precision machining: CNC, NC lathes, boring machines, milling machines, bench drilling machines, etc.
6) Surface Protection: oiled (rust-proof), electroplating, hot dip galvanizing, nickel or chrome plating, painting, powder coating.
7)Application: Thecasting part was widely used in Agriculture machinery, Motor Vehicle, Architecture,Railway ,valve and pump industry ,Engineering,Mechanical Part, Mining Industries ,Marine ,petroleum machinery and so on.
Our Inspection Equipment:
Direct-reading spectrograph,metallographic microscope,hardness tester,brinell hardness tester,thermometric indicator,universal testing machine,carbon and silicon analysis meter,magnetic powder flaw detector,digital ultrasonic flaw detector etc.
Our Service:
1)Your inquiry related to our products or prices will be replied in 12 hours.
2)Individual formula according to customers’ special drawing requests.
3)Manufacturer with large capacity,ensures the fast production cycle after
confirming the order.
4)Protection of sales area and private information for all of our customers.
HangZhou CHINAMFG Machinery Co.,Ltd is 1 famous company in China which specialized in various metal casting products with over 10 years experience located in HangZhou China.It covers a comprehensive range of casting and machining and was widely used in Agriculture machinery, Motor Vehicle, Architecture,Railway and Engineering
As a professional company, CHINAMFG have 4 groups of experienced teams to be in charge of different work:
Project team-customer service
Engineering team-provide R&D and technical support
QC team-productive process control and incoming parts inspection
Warehouse team-warehouse management and logistic service
Quality Control:
We have a full set of quality control system to guarantee best product quality. Depending on the products, we can make different Item Testing Plan, Manufacturing procedure etc.
Raw material control
Chemistry spectrum analysis
Mechanical property
Metallographic analysis
Ultrasonic testing
Magnetic testing
Radiographic testing
Dimension inspection
Visual inspection
Penetrant testing
Leak testing
Hardness test
Micro-structure tester after heat treatment
Machining Ability
Our machining shop located in HangZhou using the latest CNC equipment to provide our customer with high quality products.
Horizontal and Vertical Machining Center
CNC lathe and normal lathe
CNC drilling and milling Center
Other assistant equipment
| material | grey cast iron, ductile cast iron, steel, stainless steel, brass, copper, bronze, aluminum, zinc etc |
| process | sand casting, precision casting ,die casting |
| Surface finishment | polishing, sand blasting, heat treatment, painting, powder coating, anodizing, electroplating, mirror polishing. |
| certificate | ISO9001 |
| Service | OEM service available |
| Main export market | Eastern Europe Western Europe North America Mid Africa Central America Asia Australia |
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| Type: | Clay Wet Sand |
|---|---|
| Casting Method: | Thermal Gravity Casting |
| Sand Core Type: | Resin Sand Core |
| Application: | Machinery Parts |
| Machining: | CNC Machining, CNC |
| Material: | Iron |
| Customization: |
Available
| Customized Request |
|---|

How to Calculate Gear Ratio in a Gearbox
Gear ratio is a fundamental parameter in a gearbox that represents the ratio of the number of teeth between two gears. It determines how much the output gear rotates in relation to the input gear. The formula to calculate gear ratio is:
Gear Ratio (GR) = Number of Teeth on Output Gear / Number of Teeth on Input Gear
Here’s a step-by-step guide on how to calculate gear ratio:
- Identify the input and output gears in the gearbox.
- Count the number of teeth on the output gear (the gear connected to the output shaft).
- Count the number of teeth on the input gear (the gear connected to the input shaft).
- Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
- Calculate the gear ratio by performing the division.
The gear ratio provides insight into how much the input gear needs to rotate to achieve a certain rotation of the output gear. It influences torque, speed, and direction of rotation in the gearbox.


editor by CX 2024-03-06