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China Hot selling Steering Gear Front Cover T011 gear cycle

Product Description


Product Description

The technical conditions of the casting comply with the requirements of HT300 in GB9439-88 standard, and the dimensional tolerance of the casting complies with the tolerance level CT9 in CB6414-86 “Dimensional Tolerances of Castings”.

Model NO. OEM Product Name OEM Casting Service
Application Hydraulic Machinery Parts Technology Shell Coated Sand Casting
,Gravity Casting
Material Iron Casting Lead Time 50 Days
Package Cartons+Wooden Case/Pallet Inspection 100% Visual Inspection
Surface Preparation Sand Blasting, Shot Blasting Surface Roughness Ra25
Casting Tolerance ‘+/-1mm Standard GB
Certification ISO9001:2015 MOQ 200 PCS
Specification OEM Trademark ZC
Origin China Production Capacity 600tons/Month


Product Parameters


R&D Softward: Solidworks, CAD,  Procast,  UG.Development cycle of samples: 30-40 days
Materials Gray Iron,Ductile Iron
Technical Parameter Part weight: 1kg to 50kgs
Max dimension : 500mm for diameter or length
Min wall thickness : 7mm
Tolerance of casting: CT8
Surface treatment Sand Blasting, Shot Blasting
Inspection Endoscopy,Breinell Tester,Tensile Tester
Production capacity More than 600 tons per month
Quality Certificates ISO9001:2015


Detailed Photos


Company Profile

Founded in 2018, the company is an enterprise integrating product development, design, production and service, specializing in the production of high-strength gray iron or ductile iron castings for auto parts and hydraulic systems.

Advanced manufacturing products and customer reputation are the foundation and guarantee for the success of the enterprise. At present, the company′s main products including hydraulic steering gear, hydraulic motor, plunger pump, multi-way valve and other hydraulic components. The products are widely used in hydraulic transmission and hydraulic steering systems of excavators, tractors and other mechanical equipment covering all parts of the country. The products are sold randomly. To the United States, Russia and other regions.

Relying on its own powerful technology and perfect service system, Zhengcheng Technology has won the national high-tech enterprise, specialized and special new small and medium-sized enterprises in ZheJiang Province, small and medium-sized technological enterprises in ZheJiang Province, membership certificate of China Foundry Association, BV certification, AAA credit enterprise, etc. Honor, applied for and was approved 9 utility model patents and 6 software certificates, and passed the environmental management system certification, occupational health and safety management system certification, and quality management system certification.

Adhering to the business philosophy of “pursuing excellence, constantly surpassing, and striving to create high-quality, high-precision, and zero-defect products”, in order to ensure the high reliability and advancement of products, the company insists on using high-quality raw materials and promises to eliminate the use of iron cutting or briquetting as raw material. With the development concept of “customer demand as the guide, technology improvement as the driving force, and customer satisfaction as the criterion.

The company has a complete inspection and test feedback system, equipped with advanced environmental protection automatic shell molding production line, coated sand production line, and the castings produced are qualified. The pass rate far exceeds the pass rate of peer products. The product quality is in the leading position in the industry and has been greatly recognized by customers.

Factory image





Q1: What is our payment term?

Q2: How can we quote for you?
A: Please email us enquiry with all technical drawings you have, such as material grade, tolerance, mechanical properties, requirements, etc. Our specialized engineers will check and quote for you within 24 hours.

Q3: Which product are often processed by your company ?
A: Hydraulic motor parts,hydraulic steering gear part, gear pump part, plunger pump parts, valve body,multitandem valve

Q4: Which material are often used ?
A: Gray iron, ductile  iron

Q5: Which finish you can provide ?
A:Sand blasting, shot blasting

Q6: What is the MOQ ?
A: Based on the product, normal 200 pcs.

Q7: Can we make the samples?
A: Sorry

Q8: How about for the lead time?
A: Normally about 40 days for mass production, pls inform us if it is urgent order.


After-sales Service: Other
Warranty: Other
Condition: New
Certification: ISO9001
Standard: GB
Customized: Customized
US$ 25/Piece
1 Piece(Min.Order)

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Customized Request


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.

China Hot selling Steering Gear Front Cover T011 gear cycleChina Hot selling Steering Gear Front Cover T011 gear cycle
editor by CX 2023-06-13