Item Description
>Item Selection
*Precision machined goods
*Metallic stampings
*Forging merchandise
*Die castings
>Fabrication Processes
* Comprehensive engineering and manufacturing providers:
R&D method, tooling and gauge design
-substance slicing, CNC milling and turning, stamping/pressing, grinding, broaching and other secondary machining
-Heat treatment: annealing, normalizing, tempering, induction hardening, carburizing
-Surface area treatment method: plating, coating, phosphate, anodizing
> Material frequently utilised:
* Metal, aluminum, metal alloy, stainless metal, zinc, copper
> Equipments:
Equipments: |
Nos: |
CNC turing equipment |
14 units (Max.Duration:3 meters, Max. Dia.: 450mm) |
CNC Milling Center |
three units |
Stamping device |
sixteen units |
Hydraulic Press |
one units (Max. Ability: 315t) |
Broaching machine |
1 device |
Drilling Machine |
2 units |
Grinding Machine |
1 device (Surface Roughness: Ra0.2) |
Sand Blasting Device |
one Device |
Quenching and Tempering Machine |
one Device |
Sawing (substance slicing) device |
3 units (2 models auto, 1 unit handbook) |
Semi-vehicle spline shaft milling equipment |
1 unit |
Magnetic particle flaw detectors |
1 device |
Hydraulic push for straightness adjustment |
1 unit(gurantee shaft's concentricity) |
Welding machine |
4 units |
Garnett Equipment |
four units |
Hardness testing |
1 unit |
ABOUT US:
A&T Industry is a contract manufacture and exporter of quality sand castings,
investment castings, lost foam castings, hot forgings, cold forgings, stampings,
machined parts, injectionmolded plastics parts, etc.
We are a dedicated team of customer focused industry professionals with
extensive experience in manufacturing, materials engineering,
quality assurance, logistics management and inventory control.
We utilize our experience and sources advantage to provide our customers
with cost effective and value based solutions to meet their engineering and
style needs while exceeding their quality and procurement requirements.
A&T Industry is located in HangZhou, a major seaport, and industrial center of China.
Assurance:
a hundred% quality manufacturing.
We guarantee that our products meet your supplied specifications
Extremely competitive pricing
Delivery to your port or front door
4 ---- 8 week lead times
We handle all paperwork
Partial container orders
Flexible payment options
Unique tooling options
Full range of packaging options from bulk to retail ready
Complete testing services available
FAQs
1. Exactly where is your place?
We are situated in HangZhou City of China and are closed to Airport. It normally takes 30minuts by car from Liuting Airport our company.
2. How lengthy has the organization been recognized?
AT Industry was established in 2009. There is 6 a long time exporting activities.
three. How numerous employees do you have?
Administration / sales four
Engineering / layout as our partner eight
Production as our associates one hundred twenty
Quality assurance / inspection 10
4. Which nations do you export to?
U.S.A, Germany, France, Italy, Uk, Brazil, Middle east of Asia, Thailand,
five. What proportion of your items are exported?
a hundred% of our creation are exported to all above the planet.
6. How lengthy does it just take to get samples?
a) Pattern:30-45days following order
b) Sample:30days soon after sample finishing.
c) The direct time is the general creation period and does not incorporate the transportation time.
seven. New solution improvement approach
Acquired tooling order and sample get with 50% deposit---Keep a meeting with the relation dept. to make sure the developing routine---Layout pattern, fixture and gauge and producing them in our residence---mildew steel getting---Machining---Inspection---Deliver out the sample with first inspection report.
eight. How long is the manufacturing direct time?
Mass Production: 90days right after sample approval by yours.
The guide time is the general generation period including the transportation time.
We could make some particular creation arrangement efficiently if buyer has urgent require.
nine. What foundation can we buy items?
We typically provide buyers rates FOB& CIF (Carriage, Insurance policies & Freight). The CIF contains the freight expense to your nominated sea port.
We do give clearance of goods which demands to be handled by a regional freight forwarder.
All regional costs and taxes are the accountability of the purchaser. We are happy to supply advisement on shipping and delivery if needed.
ten. What are the payment terms?
Payment conditions are negotiable and will increase for lengthy term buyers.
During the first phases, we request fifty% of tooling charge in advance with the stability payable on acceptance of samples.
Creation orders can be negotiable. We desire fifty% deposit and the stability by T/T before sails. But sometimes T/T 30 times right after sails would also appropriate.
11. Which forex can we get in?
We can offer in USD / Euro forex / GBP.
twelve. How long does it take to ship items from China by sea?
It requires about 5 months to European ports additionally 1 7 days customs clearance, so you can get the container in 6 to 7 months. It normally takes about 2 months to east coast and 3 weeks to west coastline US ports. All sea goods are shipped from HangZhou Port.
13. How long does it take to ship merchandise from China by air?
It will take about 7 times to all significant destinations.
fourteen. Can we pay a visit to the manufacturing facility to carry out an audit?
Sure, you are welcome to go to our partner manufacturing unit by prior settlement.
fifteen. How do we retain client confidentiality?
We are pleased to signal Confidentiality Agreements with consumers and will honor them.
16. Which languages do we do organization in?
Even though we do enterprise with several nations around the globe, we can only talk properly in Chinese English.
All information equipped ought to therefore be equipped in this kind.
17. Is there a minimum quantity of enterprise necessary to perform global getting?
There are no minimal volumes, but the prices of the merchandise, furthermore the fastened fees of importing can make it a lot more cost-effective to purchase in higher volumes. All likely buyers will be assessed on an person foundation to determine if it seems a practical alternative for all functions to develop a romantic relationship.
eighteen. What sort of parts you are specialized in?
Our company consists of 2 places,
1 is for construction precast including lifting program, rigging components steel areas.
Yet another is personalized metal organization of quality sand castings, investment castings, lost foam castings, hot forgings, cold forgings, stampings, machined parts, injectionmolded plastics parts, etc.
19. Which variety of equipments do you have?
Forging friction press 160Ton, 300Ton, 630Ton, 1200Ton
Casting CZPT of 200kg, 500kg,1000kgs, 2000kgs
Push of 63ton, 120tons
CNC Machining heart
CNC Vertical Lathe
CNC Lathe centre
Dull device
Drilling device
US $0.199 / Piece | |
500 Pieces (Min. Order) |
###
Classification: | Special Parts |
---|---|
Processing Type: | Metal Processing |
Match Machine: | Weaving Equipment |
Material: | Metal |
Processing Level: | Nano Machining |
Mechanical Process: | Forged |
###
Samples: |
US$ 20/Piece
1 Piece(Min.Order) |
---|
###
Customization: |
Available
|
---|
###
Equipments: |
Nos: |
CNC turing machine |
14 units (Max.Length:3 meters, Max. Dia.: 450mm) |
CNC Milling Center |
3 units |
Stamping machine |
16 units |
Hydraulic Press |
1 units (Max. Capacity: 315t) |
Broaching machine |
1 unit |
Drilling Machine |
2 units |
Grinding Machine |
1 unit (Surface Roughness: Ra0.2) |
Sand Blasting Machine |
1 Unit |
Quenching and Tempering Machine |
1 Unit |
Sawing (material cutting) machine |
3 units (2 units auto, 1 unit manual) |
Semi-auto spline shaft milling machine |
1 unit |
Magnetic particle flaw detectors |
1 unit |
Hydraulic press for straightness adjustment |
1 unit(gurantee shaft's concentricity) |
Welding machine |
4 units |
Garnett Machine |
4 units |
Hardness testing |
1 unit |
US $0.199 / Piece | |
500 Pieces (Min. Order) |
###
Classification: | Special Parts |
---|---|
Processing Type: | Metal Processing |
Match Machine: | Weaving Equipment |
Material: | Metal |
Processing Level: | Nano Machining |
Mechanical Process: | Forged |
###
Samples: |
US$ 20/Piece
1 Piece(Min.Order) |
---|
###
Customization: |
Available
|
---|
###
Equipments: |
Nos: |
CNC turing machine |
14 units (Max.Length:3 meters, Max. Dia.: 450mm) |
CNC Milling Center |
3 units |
Stamping machine |
16 units |
Hydraulic Press |
1 units (Max. Capacity: 315t) |
Broaching machine |
1 unit |
Drilling Machine |
2 units |
Grinding Machine |
1 unit (Surface Roughness: Ra0.2) |
Sand Blasting Machine |
1 Unit |
Quenching and Tempering Machine |
1 Unit |
Sawing (material cutting) machine |
3 units (2 units auto, 1 unit manual) |
Semi-auto spline shaft milling machine |
1 unit |
Magnetic particle flaw detectors |
1 unit |
Hydraulic press for straightness adjustment |
1 unit(gurantee shaft's concentricity) |
Welding machine |
4 units |
Garnett Machine |
4 units |
Hardness testing |
1 unit |
How to Design a Forging Spur Gear
Before you start designing your own spur gear, you need to understand its main components. Among them are Forging, Keyway, Spline, Set screw and other types. Understanding the differences between these types of spur gears is essential for making an informed decision. To learn more, keep reading. Also, don't hesitate to contact me for assistance! Listed below are some helpful tips and tricks to design a spur gear. Hopefully, they will help you design the spur gear of your dreams.
Forging spur gears
Forging spur gears is one of the most important processes of automotive transmission components. The manufacturing process is complex and involves several steps, such as blank spheroidizing, hot forging, annealing, phosphating, and saponification. The material used for spur gears is typically 20CrMnTi. The process is completed by applying a continuous through extrusion forming method with dies designed for the sizing band length L and Splitting angle thickness T.
The process of forging spur gears can also use polyacetal (POM), a strong plastic commonly used for the manufacture of gears. This material is easy to mold and shape, and after hardening, it is extremely stiff and abrasion resistant. A number of metals and alloys are used for spur gears, including forged steel, stainless steel, and aluminum. Listed below are the different types of materials used in gear manufacturing and their advantages and disadvantages.
A spur gear's tooth size is measured in modules, or m. Each number represents the number of teeth in the gear. As the number of teeth increases, so does its size. In general, the higher the number of teeth, the larger the module is. A high module gear has a large pressure angle. It's also important to remember that spur gears must have the same module as the gears they are used to drive.
Set screw spur gears
A modern industry cannot function without set screw spur gears. These gears are highly efficient and are widely used in a variety of applications. Their design involves the calculation of speed and torque, which are both critical factors. The MEP model, for instance, considers the changing rigidity of a tooth pair along its path. The results are used to determine the type of spur gear required. Listed below are some tips for choosing a spur gear:
Type A. This type of gear does not have a hub. The gear itself is flat with a small hole in the middle. Set screw gears are most commonly used for lightweight applications without loads. The metal thickness can range from 0.25 mm to 3 mm. Set screw gears are also used for large machines that need to be strong and durable. This article provides an introduction to the different types of spur gears and how they differ from one another.
Pin Hub. Pin hub spur gears use a set screw to secure the pin. These gears are often connected to a shaft by dowel, spring, or roll pins. The pin is drilled to the precise diameter to fit inside the gear, so that it does not come loose. Pin hub spur gears have high tolerances, as the hole is not large enough to completely grip the shaft. This type of gear is generally the most expensive of the three.
Keyway spur gears
In today's modern industry, spur gear transmissions are widely used to transfer power. These types of transmissions provide excellent efficiency but can be susceptible to power losses. These losses must be estimated during the design process. A key component of this analysis is the calculation of the contact area (2b) of the gear pair. However, this value is not necessarily applicable to every spur gear. Here are some examples of how to calculate this area. (See Figure 2)
Spur gears are characterized by having teeth parallel to the shafts and axis, and a pitch line velocity of up to 25 m/s is considered high. In addition, they are more efficient than helical gears of the same size. Unlike helical gears, spur gears are generally considered positive gears. They are often used for applications in which noise control is not an issue. The symmetry of the spur gear makes them especially suitable for applications where a constant speed is required.
Besides using a helical spur gear for the transmission, the gear can also have a standard tooth shape. Unlike helical gears, spur gears with an involute tooth form have thick roots, which prevents wear from the teeth. These gears are easily made with conventional production tools. The involute shape is an ideal choice for small-scale production and is one of the most popular types of spur gears.
Spline spur gears
When considering the types of spur gears that are used, it's important to note the differences between the two. A spur gear, also called an involute gear, generates torque and regulates speed. It's most common in car engines, but is also used in everyday appliances. However, one of the most significant drawbacks of spur gears is their noise. Because spur gears mesh only one tooth at a time, they create a high amount of stress and noise, making them unsuitable for everyday use.
The contact stress distribution chart represents the flank area of each gear tooth and the distance in both the axial and profile direction. A high contact area is located toward the center of the gear, which is caused by the micro-geometry of the gear. A positive l value indicates that there is no misalignment of the spline teeth on the interface with the helix hand. The opposite is true for negative l values.
Using an upper bound technique, Abdul and Dean studied the forging of spur gear forms. They assumed that the tooth profile would be a straight line. They also examined the non-dimensional forging pressure of a spline. Spline spur gears are commonly used in motors, gearboxes, and drills. The strength of spur gears and splines is primarily dependent on their radii and tooth diameter.
SUS303 and SUS304 stainless steel spur gears
Stainless steel spur gears are manufactured using different techniques, which depend on the material and the application. The most common process used in manufacturing them is cutting. Other processes involve rolling, casting, and forging. In addition, plastic spur gears are produced by injection molding, depending on the quantity of production required. SUS303 and SUS304 stainless steel spur gears can be made using a variety of materials, including structural carbon steel S45C, gray cast iron FC200, nonferrous metal C3604, engineering plastic MC901, and stainless steel.
The differences between 304 and 303 stainless steel spur gears lie in their composition. The two types of stainless steel share a common design, but have varying chemical compositions. China and Japan use the letters SUS304 and SUS303, which refer to their varying degrees of composition. As with most types of stainless steel, the two different grades are made to be used in industrial applications, such as planetary gears and spur gears.
Stainless steel spur gears
There are several things to look for in a stainless steel spur gear, including the diametral pitch, the number of teeth per unit diameter, and the angular velocity of the teeth. All of these aspects are critical to the performance of a spur gear, and the proper dimensional measurements are essential to the design and functionality of a spur gear. Those in the industry should be familiar with the terms used to describe spur gear parts, both to ensure clarity in production and in purchase orders.
A spur gear is a type of precision cylindrical gear with parallel teeth arranged in a rim. It is used in various applications, such as outboard motors, winches, construction equipment, lawn and garden equipment, turbine drives, pumps, centrifuges, and a variety of other machines. A spur gear is typically made from stainless steel and has a high level of durability. It is the most commonly used type of gear.
Stainless steel spur gears can come in many different shapes and sizes. Stainless steel spur gears are generally made of SUS304 or SUS303 stainless steel, which are used for their higher machinability. These gears are then heat-treated with nitriding or tooth surface induction. Unlike conventional gears, which need tooth grinding after heat-treating, stainless steel spur gears have a low wear rate and high machinability.
editor by czh 2022-12-31