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ABOUT US:

As your 1-stop resource, AT PRECAST,we layout, manufacturer and distribute precast concrete accessories such as the Lifting Programs and Anchoring techniques Coil and Ferrule Inserts. for Concrete and Prefabricated region.

As a leader in creating concrete accessory goods, our principal objective is to make products that are safer, faster and more value successful.

With a lot more than totally 50 many years functioning experience, our whole employees is dedicated to offer you with the best client services and competitive charges. Our sales pressure are CZPT to answer your inquiries speedily and offer you you specialized help .

Assurance:

 100% 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:

one. Where is your location?

We are situated in HangZhou Metropolis of China and are closed to Airport. It normally takes 30minuts by automobile from Liuting Airport our company.

two. How extended has the organization been established?

AT Business was proven in 2009. There is 6 many years exporting encounters.

three. How several staff do you have?

Administration / sales    4
Engineering / layout as our partner     eight
Production as our companions 120
Quality assurance / inspection   ten

4. Which nations around the world do you export to?

U.S.A, Germany, France, Italy, United kingdom, Brazil, Middle east of Asia, Thailand,

five. What proportion of your merchandise are exported?

100% of our generation are exported to all over the globe.

six. How long does it just take to acquire samples?

a) Sample:30-45days following order 
b) Sample:30days after sample ending.
c) The direct time is the standard production period of time and does not include the transportation time.

seven. New merchandise growth process

Got tooling get and sample order with 50% deposit—Hold a meeting with the relation dept. to make certain the creating timetable—Style sample, fixture and gauge and creating them in our house—mold metal buying—Machining—Inspection—Deliver out the sample with first inspection report.

eight. How long is the producing lead time?

Mass Creation: 90days soon after sample acceptance by yours.
The lead time is the general creation period including the transportation time.
We could make some specific generation arrangement effectively if consumer has urgent need to have.

nine. What basis can we get merchandise?

We typically provide buyers prices FOB& CIF (Carriage, Insurance policy & Freight). The CIF involves the freight price to your nominated sea port.
We do give clearance of products which demands to be dealt with by a neighborhood freight forwarder.
All neighborhood costs and taxes are the accountability of the purchaser. We are satisfied to offer you advisement on delivery if necessary.

ten. What are the payment phrases?

Payment phrases are negotiable and will enhance for lengthy time period customers.
Throughout the first levels, we ask for 50% of tooling fee in advance with the balance payable on acceptance of samples.
Generation orders can be negotiable. We choose 50% deposit and the balance by T/T just before sails. But occasionally T/T thirty days right after sails would also appropriate.

11. Which currency can we purchase in?

We can deal in USD / Euro forex / GBP.

12. How extended does it get to ship goods from China by sea?

It normally takes about 5 weeks to European ports in addition 1 week customs clearance, so you can get the container within 6 to 7 weeks. It requires about 2 months to east coast and 3 months to west coastline US ports. All sea items are shipped from HangZhou Port.

thirteen. How lengthy does it get to ship products from China by air?

It will take about 7 days to all key places.

fourteen. Can we visit the manufacturing facility to conduct an audit?

Indeed, you are welcome to pay a visit to our partner factory by prior agreement.

fifteen. How do we retain client confidentiality?

We are satisfied to indicator Confidentiality Agreements with consumers and will honor them.

sixteen. Which languages do we do organization in?

Even though we do organization with numerous nations about the entire world, we can only communicate successfully in Chinese English.
All info supplied should therefore be provided in this sort.

seventeen. Is there a least quantity of company needed to carry out global getting?

There are no minimal volumes, but the costs of the merchandise, in addition the fastened fees of importing tends to make it more inexpensive to acquire in substantial volumes. All potential buyers will be assessed on an individual basis to decide if it appears a viable alternative for all get-togethers to produce a partnership.

eighteen. What kind of elements you are specialised in?

Our company includes 2 areas,
one is for design precast such as lifting program, rigging components metal components.
 
One more is personalized metal enterprise of quality sand castings, investment castings, lost foam castings, hot forgings, cold forgings, stampings, machined parts, injectionmolded plastics parts, etc.

19. Which type of equipments do you have?

Forging friction press 160Ton, 300Ton, 630Ton, 1200Ton
Casting CZPT of 200kg, 500kg,1000kgs, 2000kgs
Press of 63ton, 120tons
CNC Machining heart
CNC Vertical Lathe
CNC Lathe heart
Boring machine
Drilling machine
 

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Worm Reducer

Worm reducers are commonly used to reduce the Agknx produced by a rotating shaft. They can achieve reduction ratios of five to sixty. In contrast, a single-stage hypoid gear can achieve up to a 120:1 reduction ratio. For further reduction, another type of gearing is used. So, a single stage worm reducer cannot achieve higher ratios than these.<br

Mechanics

A worm reducer is an auxiliary mechanical device that uses worms to reduce the size of a rotating shaft. These worms have a range of tooth forms. One form is a line weave twist surface. Another is a trapezoid based on a central cross section. The trapezoid can be perpendicular to the tooth cross section, or it can be normal to the root cross section. Other forms include involute helicoids and convolute worms, which use a straight line intersecting the involute generating line.
Worm gears are lubricated with a special lubricant. Because worm gears are complex, it’s important to use the correct lubricant. Worm gear manufacturers provide approved lubricants for their gears. Using unapproved gear oil can damage your reducer’s efficiency. The right lubricant depends on several factors, including load, speed, duty cycle, and expected operating temperatures.
The efficiency of a worm gear reducer depends on several factors, including losses at gear mesh, losses in the bearings, and windage in the oil seal lip. In addition, the worm gear reducer’s efficiency varies with ambient temperature and operating temperature. The worm gear reducer’s efficiency can also vary with the ratio of the load. Moreover, worm gear reducers are subject to break-in.
Worm gear reducers are used in many different applications. They are typically used in small electric motors, but they’re also used in conveyor systems, presses, elevators, and mining applications. Worm gears are also commonly found in stringed musical instruments.
Worm gears have excellent reduction ratios and high Agknx multiplication, and they’re often used as speed reducers in low to medium-speed applications. However, the efficiency of worm gear reducers decreases with increasing ratios.

Sizes

Worm reducers come in different sizes and tooth shapes. While the tooth shape of one worm is similar to the other, different worms are designed to carry a different amount of load. For example, a circular arc worm may have a different tooth shape than one with a secondary curve. Worm gears can also be adjusted for backlash. The backlash is the difference between the advancing and receding arc.
There are two sizes of worm reducers available from Agknx Transmission. The SW-1 and SW-5 models offer ratios of 3.5:1 to 60:1 and 5:1 to 100:1 respectively. The size of the worm reducer is determined by the required gear ratio.
Worm gears have different thread counts. One is based on the central cross-section of the worm, and the other is on the right. Worm gears can have either a single or double thread. Single-threaded gears will reduce speed by 50 percent, while double-threaded gears will reduce speed by 25 percent.
Worm gear reducers are lightweight and highly reliable. They can accommodate a variety of NEMA input flanges and hollow output bore sizes. Worm reducers can be found at 6 regional warehouses, with prepaid freight. To make a purchasing decision, you should consider the horsepower and Agknx requirements of your specific application.

Applications

The Worm Reducer market is a global business that is dominated by the North American and European regions. The report provides in-depth information on the market trends, key challenges, and opportunities. It also examines the current state of the industry and projects future market growth. The report is organized into segments based on product type, major geographical regions, and application. It also presents statistics and key data about the market.
Worm gear reducers have many applications. They can be used to increase the speed of convey belts. They also help reduce noise. Worm gears have many teeth that touch the gear mesh, which makes them quieter. Moreover, the worm gears require only a single stage reducer, reducing the number of moving parts in the system.
The worm gear has long life and is suitable for different industries. It is a perfect choice for elevators and other applications that need fast stopping and braking. Its compact size and ability to hold a load make it suitable for these applications. It also prevents the load from free-falling as a result of a sudden braking. Worm gears can also be used in heavy-duty machinery such as rock crushers.
Worm gears are similar to ordinary gears except that they transfer motion at a 90-degree angle. As a result, the worm gears are extremely quiet, making them a suitable option for noise sensitive applications. They are also excellent for low-voltage applications, where the noise is critical.
Worm gears are ideal for applications with space restrictions, because they require fewer gear sets. The worm gears also allow for a smaller gearbox size. Consequently, they are the perfect choice for machines that are space-constrained, such as conveyors and packaging equipment.

Cost

The lifespan of a worm gear reducer is comparable to other gear reducers. Worm gears have a long history of innovation and use in various industries, from shipbuilding to automobile manufacturing. Today, these gear reducers are still popular with engineers. However, there are some things to keep in mind before buying one.
In the first place, a worm reducer needs to be affordable. Generally, a worm reducer costs about $120. The price varies with the brand name and features. Some products are more expensive than others, so be sure to shop around for the best price. In addition, it is important to consider the quality and design of the worm reducer before making a purchase.
Worm gear manufacturers have made significant advancements in materials, design and manufacturing. These advancements, along with the use of advanced lubricants, have resulted in significant increases in efficiency. For example, double enveloping worm gear reducers have improved efficiency by three to eight percentage points. This improvement was achieved through rigorous testing of manufacturing processes and materials. With these improvements, worm gear reducers have become more desirable in today’s market.
Worm reducers are extremely versatile and reliable, and are available in a variety of sizes. Domestic manufacturers usually stock a large selection of reducers, and are often able to ship them the same day you place your order. Most major domestic worm gear reducer manufacturers also share some critical mounting dimensions, such as the output shaft diameter, the mounting hole location, and the overall reducer housing height. Most manufacturers also offer standardized gear ratios. Some manufacturers have also improved gear design and added synthetic lubricants for better performance.
In addition, different tooth shapes of worms can increase their load carrying capacity. They can be used on secondary curves and circular arc cross sections. Moreover, the pitch point defines the boundary of the cross section. The mesh on the receding arc is smoother than that of the advancing arc. However, in the case of negative shifting, most of the mesh is on the receding arc.

Self-locking function

A worm reducer has a self-locking function. When a worm is fitted with all of its addendum teeth, the total number of teeth in the system should be greater than 40. This self-locking function is achieved through the worm’s rack and pinion mechanism. The worm’s self-locking feature can prevent the load from being dropped and is useful for many applications.
The self-locking function of a worm reducer is possible for two main reasons. First of all, a worm reducer uses two or more gears. One gear is placed at the input, and the other gear runs the output shaft. This mechanism produces a torque, which is transmitted to a spur gear.
Worm reducers can be used in a variety of industrial applications. Because of their self-locking function, they are useful for preventing back-driving. They are also helpful for lifting and holding loads. Their self-locking mechanism allows for a large gear reduction ratio without increasing the size of a gear box.
Self-locking gears can be used to prevent back-driving and inertial driving. This is useful for many industries and can prevent backdriving. However, one major disadvantage of self-locking gears is their sensitivity to operating conditions. Lubrication, vibration, and misalignment can affect their reliability.
Embodiments of the invention provide a self-locking mechanism that prevents back-driving but allows forward-driving. The self-locking mechanism may comprise first and second ratchet cams disposed about a gear member. A releasable coupling member may be interposed between the gear member and the ratchet cam. This facilitates selective coupling and decoupling.
The worm reducer has several advantages. Its compact design is ideal for many mechanical transmission systems. It also provides greater load capacity than a cross-axis helical gear mechanism.

editor by czh 2022-12-01