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China best Steering Gear T012 worm gear motor

Product Description


Product Description

The technical conditions of the castings comply with the requirements of HT300 in GB9439-88 standard, and the dimensional tolerance of the castings complies with the tolerance level CT13 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


The Difference Between Planetary Gears and Spur Gears

A spur gear is a type of mechanical drive that turns an external shaft. The angular velocity is proportional to the rpm and can be easily calculated from the gear ratio. However, to properly calculate angular velocity, it is necessary to know the number of teeth. Fortunately, there are several different types of spur gears. Here’s an overview of their main features. This article also discusses planetary gears, which are smaller, more robust, and more power-dense.
Planetary gears are a type of spur gear

One of the most significant differences between planetary gears and spurgears is the way that the two share the load. Planetary gears are much more efficient than spurgears, enabling high torque transfer in a small space. This is because planetary gears have multiple teeth instead of just one. They are also suitable for intermittent and constant operation. This article will cover some of the main benefits of planetary gears and their differences from spurgears.
While spur gears are more simple than planetary gears, they do have some key differences. In addition to being more basic, they do not require any special cuts or angles. Moreover, the tooth shape of spur gears is much more complex than those of planetary gears. The design determines where the teeth make contact and how much power is available. However, a planetary gear system will be more efficient if the teeth are lubricated internally.
In a planetary gear, there are three shafts: a sun gear, a planet carrier, and an external ring gear. A planetary gear is designed to allow the motion of one shaft to be arrested, while the other two work simultaneously. In addition to two-shaft operation, planetary gears can also be used in three-shaft operations, which are called temporary three-shaft operations. Temporary three-shaft operations are possible through frictional coupling.
Among the many benefits of planetary gears is their adaptability. As the load is shared between several planet gears, it is easier to switch gear ratios, so you do not need to purchase a new gearbox for every new application. Another major benefit of planetary gears is that they are highly resistant to high shock loads and demanding conditions. This means that they are used in many industries.

They are more robust

An epicyclic gear train is a type of transmission that uses concentric axes for input and output. This type of transmission is often used in vehicles with automatic transmissions, such as a Lamborghini Gallardo. It is also used in hybrid cars. These types of transmissions are also more robust than conventional planetary gears. However, they require more assembly time than a conventional parallel shaft gear.
An epicyclic gearing system has three basic components: an input, an output, and a carrier. The number of teeth in each gear determines the ratio of input rotation to output rotation. In some cases, an epicyclic gear system can be made with two planets. A third planet, known as the carrier, meshes with the second planet and the sun gear to provide reversibility. A ring gear is made of several components, and a planetary gear may contain many gears.
An epicyclic gear train can be built so that the planet gear rolls inside the pitch circle of an outer fixed gear ring, or “annular gear.” In such a case, the curve of the planet’s pitch circle is called a hypocycloid. When epicycle gear trains are used in combination with a sun gear, the planetary gear train is made up of both types. The sun gear is usually fixed, while the ring gear is driven.
Planetary gearing, also known as epicyclic gear, is more durable than other types of transmissions. Because planets are evenly distributed around the sun, they have an even distribution of gears. Because they are more robust, they can handle higher torques, reductions, and overhung loads. They are also more energy-dense and robust. In addition, planetary gearing is often able to be converted to various ratios.

They are more power dense

The planet gear and ring gear of a compound planetary transmission are epicyclic stages. One part of the planet gear meshes with the sun gear, while the other part of the gear drives the ring gear. Coast tooth flanks are used only when the gear drive works in reversed load direction. Asymmetry factor optimization equalizes the contact stress safety factors of a planetary gear. The permissible contact stress, sHPd, and the maximum operating contact stress (sHPc) are equalized by asymmetry factor optimization.
In addition, epicyclic gears are generally smaller and require fewer space than helical ones. They are commonly used as differential gears in speed frames and in looms, where they act as a Roper positive let off. They differ in the amount of overdrive and undergearing ratio they possess. The overdrive ratio varies from fifteen percent to forty percent. In contrast, the undergearing ratio ranges from 0.87:1 to 69%.
The TV7-117S turboprop engine gearbox is the first known application of epicyclic gears with asymmetric teeth. This gearbox was developed by the CZPT Corporation for the Ilyushin Il-114 turboprop plane. The TV7-117S’s gearbox arrangement consists of a first planetary-differential stage with three planet gears and a second solar-type coaxial stage with five planet gears. This arrangement gives epicyclic gears the highest power density.
Planetary gearing is more robust and power-dense than other types of gearing. They can withstand higher torques, reductions, and overhung loads. Their unique self-aligning properties also make them highly versatile in rugged applications. It is also more compact and lightweight. In addition to this, epicyclic gears are easier to manufacture than planetary gears. And as a bonus, they are much less expensive.

They are smaller

Epicyclic gears are small mechanical devices that have a central “sun” gear and one or more outer intermediate gears. These gears are held in a carrier or ring gear and have multiple mesh considerations. The system can be sized and speeded by dividing the required ratio by the number of teeth per gear. This process is known as gearing and is used in many types of gearing systems.
Planetary gears are also known as epicyclic gearing. They have input and output shafts that are coaxially arranged. Each planet contains a gear wheel that meshes with the sun gear. These gears are small and easy to manufacture. Another advantage of epicyclic gears is their robust design. They are easily converted into different ratios. They are also highly efficient. In addition, planetary gear trains can be designed to operate in multiple directions.
Another advantage of epicyclic gearing is their reduced size. They are often used for small-scale applications. The lower cost is associated with the reduced manufacturing time. Epicyclic gears should not be made on N/C milling machines. The epicyclic carrier should be cast and tooled on a single-purpose machine, which has several cutters cutting through material. The epicyclic carrier is smaller than the epicyclic gear.
Epicyclic gearing systems consist of three basic components: an input, an output, and a stationary component. The number of teeth in each gear determines the ratio of input rotation to output rotation. Typically, these gear sets are made of three separate pieces: the input gear, the output gear, and the stationary component. Depending on the size of the input and output gear, the ratio between the two components is greater than half.

They have higher gear ratios

The differences between epicyclic gears and regular, non-epicyclic gears are significant for many different applications. In particular, epicyclic gears have higher gear ratios. The reason behind this is that epicyclic gears require multiple mesh considerations. The epicyclic gears are designed to calculate the number of load application cycles per unit time. The sun gear, for example, is +1300 RPM. The planet gear, on the other hand, is +1700 RPM. The ring gear is also +1400 RPM, as determined by the number of teeth in each gear.
Torque is the twisting force of a gear, and the bigger the gear, the higher the torque. However, since the torque is also proportional to the size of the gear, bigger radii result in lower torque. In addition, smaller radii do not move cars faster, so the higher gear ratios do not move at highway speeds. The tradeoff between speed and torque is the gear ratio.
Planetary gears use multiple mechanisms to increase the gear ratio. Those using epicyclic gears have multiple gear sets, including a sun, a ring, and two planets. Moreover, the planetary gears are based on helical, bevel, and spur gears. In general, the higher gear ratios of epicyclic gears are superior to those of planetary gears.
Another example of planetary gears is the compound planet. This gear design has two different-sized gears on either end of a common casting. The large end engages the sun while the smaller end engages the annulus. The compound planets are sometimes necessary to achieve smaller steps in gear ratio. As with any gear, the correct alignment of planet pins is essential for proper operation. If the planets are not aligned properly, it may result in rough running or premature breakdown.

China best Steering Gear T012 worm gear motorChina best Steering Gear T012 worm gear motor
editor by CX 2023-07-12

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