Product Description
Product Description
Company Profile
In 2571, HangZhou CZPT Machinery Co.,ltd was established by Ms. Iris and her 2 partners(Mr. Tian and Mr. Yang) in HangZhou city(ZHangZhoug province, China), all 3 Founders are engineers who have more than averaged 30 years of experience. Then because the requirements of business expansion, in 2014, it moved to the current Xihu (West Lake) Dis. Industrial Zone (HangZhou city, ZHangZhoug province, China).
Through our CZPT brand ND, CZPT Machinery delivers agricultural solutions to agriculture machinery manufacturer and distributors CZPT through a full line of spiral bevel gearboxes, straight bevel gearboxes, spur gearboxes, drive shafts, sheet metal, hydraulic cylinder, motors, tyre, worm gearboxes, worm operators etc. Products can be customized as request.
We, CZPT machinery established a complete quality management system and sales service network to provide clients with high-quality products and satisfactory service. Our products are sold in 40 provinces and municipalities in China and 36 countries and regions in the world, our main market is the European market.
Certifications
Our Factory
Sample Room
Why choose us?
1) Customization: With a strong R&D team, and we can develop products as required. It only takes up to 7 days for us to design a set of drawings. The production time for new products is usually 50 days or less.
2) Quality: We have our own complete inspection and testing equipment, which can ensure the quality of the products.
3) Capacity: Our annual production capacity is over 500,000 sets, also, we also accept small quantity orders, to meet the needs of different customer’s purchase quantities.
4) Service: We focus on offering high-quality products. Our products are in line with international standards and are mainly exported to Europe, Australia, and other countries and regions.
5) Shipment: We are close to HangZhou and ZheJiang ports, to provide the fastest shipping service.
Packaging & Shipping
FAQ
Q: Are you a trading company or manufacturer?
A: We’re factory and providing gearbox ODM & OEM services for the European market for more than 10 years
Q: Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: How long is your delivery time? What is your terms of payment?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization.
For standard products, the payment is: 30% T/T in advance,balance before shipment.
Q: What is the exact MOQ or price for your product?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.
Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.
If you have another question, please feel free to contact us.
| Application: | Machinery, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Straight or Spiral Bevel Gear |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|
PTO Shaft Safety Chains
PTO shaft is the part of a tractor that helps transfer power from the tractor to the equipment it is hooked to. A PTO shaft is important if you have a tiller or bush hog. The correct PTO shaft size is crucial for both the tractor and the equipment. If the PTO shaft size is not correct for your equipment, it may not work.
Safety chains
<br/Safety chains are an essential part of securing your PTO shaft. They prevent a rotating plastic shield from coming loose and causing injury or damage. It is important to protect your PTO and any other drive shafts on your machine. Watch the video below for more information about the dangers of unguarded PTOs.
PTOs are an efficient way to transfer mechanical power between tractors and implements. They helped revolutionize North American agriculture during the 1930s. Despite their convenience, PTOs have also proven to be one of the most common farm machinery hazards. This fact sheet outlines several important PTO safety precautions.
Safety chains for PTO shafts are necessary to protect both tractor and implement from damage. The PTO shaft must be attached properly to the tractor and the implement before starting the equipment. Before operating, be sure that the safety chains are positioned in a way that allows them to fully move. When operating the PTO, avoid being too aggressive as this can damage the drive line and shaft. For further safety, make sure to fit a torque limiter or clutch on the implement end of the PTO shaft.
PTOs are great for plowing, mowing, and shredding, but they also have potential to cause injuries if you don’t use a safety chain. It’s best to get a chain that is long enough to prevent injuries. Also, be sure that the PTO shaft does not compress completely at any point during the operating range. There should be several inches of overlap in the longest operating extension of the PTO.
Another common hazard with PTOs is IID shafts. While many machines and tractors have driveline guards, these are often missing. If you have a PTO with an IID, you should consider installing a safety chain.
Shield
A swingable tractor PTO shaft shield assembly consists of an inverted U-shaped shield member slidably attached to a bracket. It extends above the PTO shaft and has several notches and pins that engage each other. It can be held in a number of positions and can be retracted when not in use. It also includes a cover member that covers the space between the shield and tractor and abuts the raised portion of the shield member.
The PTO shaft shield is typically made of plastic, but it can also be made of metal. Plastic is less likely to break or damage than metal. The shield is supported by a bracket 51 with a curved distal end 57 and a non-metallic guard 59. When used in conjunction with a bracket, a PTO shaft shield should be properly installed to prevent damage to the shaft.
Keeping the PTO shaft shield in good condition is crucial to the safety of your tractor and your workers. An improperly installed PTO shaft shield can result in severe injuries. It may also ensnare or strike people in the vicinity. Proper maintenance will prevent many of these injuries. Equipment manufacturers have made great strides in reducing the risks of PTO mishaps. Operators are also responsible for keeping the shields in good condition. Removing the guards will only increase the risk to the operator.
A PTO shaft shield is a tubular assembly that is mounted on the tractor PTO shaft. It consists of two telescopic pieces that are held in place by shield support bearings. This shield protects the PTO shaft and the universal joints from debris and prevents premature wear. The shield can be easily removed and replaced if necessary.
IID shaft guard
The IID shaft guard is a safety device used to protect PTO powered machinery from the possibility of separating while in use. The shaft, which is a telescoping shaft, is attached to the PTO stub on tractors. The telescopic feature is convenient when moving across uneven ground. However, this type of shaft can cause serious injury if it separates while in use.
The IID shaft guard can prevent these injuries by completely covering the shaft. The guard is made of metal or plastic and rotates along with the shaft. A person can react in less than five tenths of a second, making the IID shaft guard an important part of PTO safety.
PTO shafts rotate at speeds as high as 540 rpm, which is very fast. A limb could be wrapped around the driveline shaft, causing a serious injury or death. Because of the speed of a PTO, it can be difficult for an individual to discern whether it is engaged or not and may not be aware of the danger.
An IID shaft guard should be fitted to every tractor PTO shaft. It should be tested and rotated regularly. It is also important to keep the tractor engine off when working around the PTO shaft. Using a drawbar to protect driveline components is also important. It will prevent stress on the driveline and reduce the possibility of separation.
Overrunning clutch
An overrunning clutch on a PTO shaft is a mechanism that allows the PTO shaft to rotate freely in one direction while restricting the speed of the implement being hauled behind the tractor. This clutch is also useful for preventing the speed of the implement from exceeding the speed of the tractor while slowing down. It comes in two basic configurations, one for a clockwise and the other for a counter-clockwise direction.
Another type of overrun clutch is used on tractors with a PTO driven bush hog. A bush hog has a flywheel and blades that drive the transmission through the PTO shaft. Without an overrunning clutch, these implements would freewheel while the tractor is driving and would potentially break the shaft.
A PTO overrunning clutch prevents power from backfeeding into the transmission, the part that transmits power to the rear wheels. Without an overrunning clutch, the tractor could backfeed power, causing an accident if the blade assembly hits an object. As such, it is essential to use the overrunning clutch to ensure that your tractor will be safe.
Direction of rotation
Despite its name, the direction of rotation of a PTO shaft can change if necessary. Most PTOs have a single-direction rotation, but you can often reverse the direction by installing a reverse PTO adapter. However, you should only use reverse PTOs when absolutely necessary.
A standard PTO rotation direction has been defined by the International Organization for Standardization (ISO). It is considered necessary to adhere to this standard, as improper rotation can cause damage to implements attached to a PTO. This standard helps farmers avoid problems such as ruined implements. While the direction of rotation of a PTO shaft is not always the same for all PTOs, there are some tractors that allow it to rotate both ways, while others have no restrictions.
The direction of rotation of a PTO shaft can be changed by using a hydraulic pump. Another way to connect a PTO is through a “sandwich” type split shaft unit. These units are mounted between the transmission and engine, and they usually receive drive directly from the engine shaft. They can also deliver complete engine power to a PTO. However, you must modify your vehicle’s driveline to install such a split-shaft unit.
editor by CX 2023-07-12
China supplier 4HS-800A peanut harvesting machine tractor peanut harvester groundnut harvester sparex agricultural parts
Issue: New
Software: Peanut
Number of Rows: 2
Row Length(mm): 400 – 600 mm
Functioning Width(mm): 800 mm
Tractor Electrical power(HP): 35 – eighty HP
Machine Type: Reaper Harvester
Type: peanut harvester
Push Type: PTO generate sort
Usage: peanut harvester
Dimension(L*W*H): 230*one hundred twenty*110cm
Fat: 290 KG
Certification: ce
Key Selling Factors: High Efficiency
Warranty: 1 Yr
Advertising and marketing Variety: New Product 2571
Movie outgoing-inspection: Supplied
Equipment Take a look at Report: Offered
Warranty of core components: 1 Yr
Main Parts: Gear, Gearbox, Bearing
Showroom Spot: None
Relevant Industries: Equipment Repair Stores, Farms, House Use
Following-product sales Support Offered: Online, Cost-free spare parts, On-line assistance
Identify: peanut harvester
Perform: harvesting peanuts
Color: Customerized
Chopping width (mm): 800mm
Matched Power: 35-80hp
Design: 4HS-800A
Crops: peanut
Operating pace: 3.5-7.5km/h
Working performance: .8-1.2 Hectares/h
Right after Guarantee Service: Online assist, Spare parts
Neighborhood Service Location: None
Packaging Particulars: IRON BOX, OR Picket BOX.
Port: HangZhou PORT, ZheJiang PORT, ZheJiang PORT, nmrv 040 worm gearbox worm gear transmission twenty five 1 ratio gearbox ninety diploma transmission gearbox HangZhou PORT.
4HS-800A peanut harvesting device tractor peanut harvester groundnut harvester
Item introduce
1.This item has great efficiency,high effectiveness.
2.It is mainly utilised for harvesting peanuts underground rhizome crops.
3.It has the harvest of large performance,reduce breakage,managing quickly without trembling,no blocking by the grasses,
4.The framework is basic leakage soil more rapidly and long provider life and many others.
five.This machine has been granted the countrywide Patent Office approved utility design and exterior layout 2 patents.
6.The device operating rapidly,can established pile of unloading,save work hard work,decrease leakage pick-up.
| Model | unit | 4HS-800A |
| All round sizes | cm | 230*120*110cm |
| Blade into soil depth | Cm | 20-30cm |
| Harvesting width | Cm | 80cm |
| Harvesting rows | row | two |
| Effectiveness | MU/for every hour. | two-three |
| Matched power | Hp | ≥35hp |
| Net weight | KGS | 290KGS |
| Ideal for land soil | / | Sandy and fifty percent-sandy soil. |
Packaging & Shipping and delivery
Certifications
FAQ Q1: Are you the manufacturing facility or the investing business?
A: We are the manufacturing facility! Super quality worm gearbox planetary gearbox speed reducers factory
Q2: What’ the payment conditions?
A: a. T/T is 30% deposit and 70% equilibrium payment before supply
b. L/C at sight.
c. Western Union. Q3: How about the shipping and delivery time? A: 7-35 days according to the diverse amount.
Q4: Do you get personalized order?
A: Indeed, ODM & OEM are welcomed. Q5: What is the MOQ? A: MOQ is 1 set.
Q6: What’s your guarantee phrases?
A: We source 12 months guarantee time.
Q7: Can you offer you me the package deal with our symbol and brand?
A: Indeed, we can, only with your formal authorization.
Q8: What are your delivery terms?
A: EXW, FOB, CFR, CIF.
| Model | unit | 4HS-800A |
| Overall sizes | cm | 230*120*110cm |
| Blade into soil depth | Cm | 20-30cm |
| Harvesting width | Cm | 80cm |
| Harvesting rows | row | 2 |
| Efficiency | MU/per hour. | 2-3 |
| Matched power | Hp | ≥35hp |
| Net weight | KGS | 290KGS |
| Suitable for land soil | / | Sandy and half-sandy soil. |
Types of Screw Shafts
Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which one is the best choice for your project? Here are some tips to choose the right screw:
Machined screw shaft
The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
Acme screw
An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
Lead screw
A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, one should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.
Fully threaded screw
A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are two major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically one millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect two elements.
Ball screw
The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.
