Product Description

The products shown here is only to present the scope of our business activities. We can manufacture no standard parts according to your drawing or sample.

Stainless Steel Rice Trans-Planter Machinery Spare Parts Investment Casting

 

Advantages of Stainless Steel Casting

• Sizes: 0.1 in to 24 in
• Weights: a few grams to more than 50 pounds
• Surface: very smooth finish
• Tight tolerances
• Reliable process controls and repeatability
• Design and casting versatility
• Efficient production
• Affordable tooling
• Material variety

 

Investment Casting vs. Die Casting

Investment casting has significantly cheaper tooling and is a more cost-effective option for lower quantity production runs. Additional benefits include a larger alloy selection and the ability to cast larger pieces.

Investment Casting vs. Sand Casting

Investment casting provides a better surface finish and allows for greater design flexibility including the ability to cast thinner walls, create tighter tolerances and create more intricate coring.

Investment Casting vs. Machining

Investment casting can significantly reduce the cost and lower the production time per piece. This is accomplished by producing near net shape parts, while greatly reducing the amount of material waste. In some instances, multiple fabricated parts can be produced as a single casting.
 

 

Name	OEM stainless steel investment casting parts Material
Material	304,306 ,2205stainless steel etc,
Designs	1.As per the customer’s drawings
	2.As per the customer’s samples
Surface treatment	1. mirror polish
	2. passivation
Service	OEM service available
Products	All kinds of stainless steel casting: include pipe fitting, ball valve, automotive parts,railroad parts, medical parts, marine parts, lighting parts,pump body,  valve parts, architectural parts and furniture parts so on
Advantage	1. More than 10 years experience in stainless steel casting;
	2. Near ZheJiang Port and ZheJiang Airport;
	3. We provide: OEM stainless steel lost wax castings and OEM machining services for stainless steel lost wax castings. We have: CNC Machining, CNC turning, CNC Milling, 3D CMM Inspection and CNC Optical Inspection. We believe: on time, stable quality, just price, client confidentiality.
	4. With samples and order: We can offer dimension report,material certification.
Inspection:	1.Dimension report
	2.Material certification
Packing:	Export carton and fumigation wooden pall

 

Casting Detail

 

Mainly Material	stainless steel, carbon steel, steel, aluminium, brass, bronze, copper
Process	investment casting, lost wax casting, silica sol casting. water glass casting, die casting
Casting tolerance	CT4-CT6 (GB/T 6414),CT7-CT9 (GB/T 6414)
Standard	AISI, ANSI, ASTM, JIS, GB, ISO, DIN
Certificate	TS16949,SGS, ISO, or as your requirement to do test by the third party
Machining	tapping, milling, grinding, drilling, cnc machining
Tolerance	+/-0.02mm or as drawing requirement
Surface treatment	polishing,mirror polishing, electrogalvanizing, sandblasting, shot blasting
Heat treatment	quchenging and tempering, annealing, normalizing
Casting Roughness	Ra 1.6-Ra12.5

Application
 

• Agricultural equipment	• Armament	• Automobile industry	• Computing equipment
• Medical / dental instruments	• Measuring instruments	• Miscellaneous equipment	• Pharmaceutical industry
• Orthopedic implants	• Safety equipment	• Petrochemical industry	• Industrial valves
•Fixing and movable equipment	• Sanitary fittings	• General machinery	• Pumps and general connections
• Food and beverage processing	• Instrumentation equipment	• Pharmaceutical industry	• Textile equipment

 

Quality Control

1) Checking the details before the production line operated
2) Have full inspection and routing inspection during mass production—In process quality control(IPQC)
3) Checking the goods after they are finished—- Final quality control(FQC)
4) Checking the goods after they are finished—–Outgoing quality control(OQC)

*Our wax casting product processed by 79 steps with high standard and 100% inspection. Along with the power of our advanced machine, quality is something you do not need to worry about. 

ZheJiang CZPT Precision Machinery Co. Ltd is a high-tech enterprise combine designing, tooling developing, casting, machining, surface treatment, inspection, sales and service all together.  Founded in 2017, located in HangZhou, ZheJiang . CZPT now covers an area of more than 5000 square meters.

With a massive research & development environment, CZPT utilized market-leading technology and introduced various of advanced equipment to ensure the stringent  quality in production. 

Under a powerful management team, the company has growing to the group with more than 100 employees. Product offerings range from Stainless Steel Pipe Fitting, Quick Joint, Ball Valve, Check Valve, to Marine Hardware and Auto Parts. The material are 304, 304L, 316, 316L, SF8M, WCB, 1.4408, etc.

-Quality- -Creativity- -Consistency-
These words are CZPT slogan, and also philosophy that drives the company to offer the superior service you are looking for.

1) Design assistance and full engineering support .
2) Professional at OEM & ODM parts .
3) Excellent after sales service. 
4) Advanced machine tools, CAD/CAM programming software.  
5) Prototype machining capabilities.
6) Strict quality control standards with a highly qualified inspection department .  
7) Continually upgrading and advancing our equipment to remain competitive .

8) Small quality is also available. 

FAQ:

Q1: How long is your delivery time? 
A:Delivery time is depends on the total quantity of order. Normally, sample can be delivered within 15 days. 

Q2: Do you provide samples? Is it free or extra?
A:Yes, we could offer sample for free, and we can pay for the model as well, but the clients has to pay for the shipping cost.

Q3: What is the MOQ of your products?
A:It depends on the category of order.

Q4: Where is your factory?
A:Our factory located in ZheJiang province, close to ZheJiang seaport.

Q5:What does your company need to submit a quotation?
A:Drawing or Sample, together with relevant information, such as Quantity, Weight, Material.

Q6:What we do not have a drawing?
A:We can duplicate your sample and make drawing for your confirmation. 

 

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 2 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 3 shafts: a sun gear, a planet carrier, and an external ring gear. A planetary gear is designed to allow the motion of 1 shaft to be arrested, while the other 2 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 3 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 2 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 15 percent to 40 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 3 planet gears and a second solar-type coaxial stage with 5 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 1 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 3 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 3 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 2 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 2 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 2 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.