1) 20 years export experience supplying brand European company
2) Casting materials: Grey iron & ductile iron casting
3) Casting process: Resin sand hand molding and centrifugal casting
4) Products: Bearing housings, motor housing, gearbox housing, cylinder housing machinery motors, shafting, and transmission parts
5) Casting products weight: 1kg-200kg
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.
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.
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
Micro-structure tester after heat treatment
HangZhou Xihu (West Lake) Dis.CHINAMFG Trade Co., Ltd. is located in the Hi-tech Development District of HangZhou city, ZheJiang province. It was established in 1987, and covers an area of 27000 m2.
We-HangZhou Xihu (West Lake) Dis.CHINAMFG company is a professional manufacturer for sand casting, investment Casting stainless steel, forging, die-casting accessory, micro casting accessory, metal casting accessory, plastic machine parts, CNC machining and other various mechanical accessories and relative equipments.
Manily products include investment casting stainless steel, CHINAMFG iron/steel, die casting aluminum part, lost wax casting, forging auto parts, stamping machinery part.
Our products included shaft, gear, gear shaft, worm gear, welding shaft seat, hub, bracket, non-standard nut, lashing strap, webbing sling, hydraulic jack, hand tools and so on
We have the advanced equipments for foundry, 66 sets of metal cutting machineries, 35 sets CNC, and 2 sets of machining centers.
We gained quality certificate ISO9001, CE, SGS certificates, and have full sets of inspection instruments. With high quality and reasonable prices, all of our products sell well in the overseas market.
Please feel free to contact us for more details if you′re interested.
|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.|
|Service||OEM service available|
|Main export market||Eastern Europe
|Type:||Clay Wet Sand|
|Casting Method:||Thermal Gravity Casting|
|Sand Core Type:||Resin Sand Core|
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 2023-09-13