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China Good performance Pineapple pod shredder and screw press machine twin screw extruder shaft

Applicable Industries: Manufacturing Plant, Food & Beverage Factory, Farms, Restaurant, Food Shop, Food & Beverage Shops
Showroom Location: None
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: New Product 2571
Warranty of core components: 1 Year
Core Components: Engine, Motor
Condition: New
Type: Double shaft shredder
Voltage: 220/380V
Power: 3000
Weight: 300 KG
Dimension(L*W*H): 640*1250*1450MM
Year: 2571
Warranty: 1 Year
Name: Pineapple pod shredder and screw press machine
Function: Shred vegetable, PLATE HANGING for world harvester spares agricultural world combine harvester part kitchen,food waste
Capacity: 1-1.5t/h
Body material: Carbon steel,304SUS can be customed
Blades material: 55SICR
Drive type: Reducer drive
Reducer type: K series reducer
Rotation speed: 20-25r/min can be customed
After Warranty Service: Video technical support
Packaging Details: Fumigation free wooden case
Port: HangZhou

Introduction of Pineapple pod shredder and screw press machine
Vegetable waste shredder is mainly use to shred vegetable waste,food waste,kitchen waste,rdf waste,etc, Electric Tricycle Four Wheel Disc Brake Tricycle Rear Axle differential rear axle assembly according to different material and requirement the design of double shaft is different.

Part of Material photos and after shredded

Specification DataSpecification of Pineapple pod shredder and screw press machine

Model
RS-300
RS-400
RS-600
RS-800
RS-1500
Capacity
0.8-1.5t/h
2-3t/h
5-6t/h
6-10t/h
10-15t/h
Power
3kw
4kw
11kw
15KW*2
30-45kw*2
Blades thickness
7-20mm
7-20mm
10-25mm
20-25mm
20-30mm
Blades dia.
160mm
160mm
260mm
300mm
400mm
Chamber length
300mm
400mm
600mm
800mm
1500mm
Blades material
55CRSI(Basic)
Other material:Stainless steel,SKD-11,H13 can be customed
Rotation speed
20-25r/min
20-25r/min
20-25r/min
20-25r/min
20-25r/min

Photos showPhotos of Pineapple pod shredder and screw press machine

Detail photosDetail photos of Pineapple pod shredder and screw press machine

Related productsRelated machines
Shredder and dewatering machine in 1 body
(Click the photo to get more information)

Accessory equipment:

If you need crush material very fine,you can choose hammer mill.Click the photo to know more.

Our ServicesQ1.About installing:We have video and photos to show you how to connet and use Pineapple pod shredder and screw press machine, it is very simple. Service time:12-24hours on line.
Q2.About quality:
We provide customers with the most resonable and excellent proposal, We can accept trade assurance which can protect your profit.Q3.What is your warranty service?
We supply 1 year free warranty,after years with favorable price for spare parts.

screwshaft

Screw Shaft Types and Uses

Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.

Major diameter of a screw shaft

A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its two outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between one thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in one turn. While lead and pitch are two separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are three different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from one manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
screwshaft

Material of a screw shaft

A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than one made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each one will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between two and sixteen millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are two basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
screwshaft

Function of a screw shaft

When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

China Good performance Pineapple pod shredder and screw press machine     twin screw extruder shaftChina Good performance Pineapple pod shredder and screw press machine     twin screw extruder shaft
editor by czh 2023-07-03

China EPS Polystyrene Recycling Foam Cold-press Machine Cold Press Block Machine screw blade shaft

Condition: New
Processing Type: Foaming Machine, crushing then compressing
Machine Type: EPS foam recycling compressor
Voltage: 380V 50HZ, 380V 50Hz or customized
Dimension(L*W*H): 2.9*1*2.5
Power (kW): 11
Weight (KG): 1200 KG
Warranty: 1 Year
Key Selling Points: Automatic
Showroom Location: Egypt, Turkey, Viet Nam, Philippines, Brazil, Peru, Saudi Arabia, Indonesia, Pakistan, India, Mexico, Russia, Spain, Thailand, Morocco, Kenya, Argentina, South Korea, Chile, UAE, Colombia, Algeria, Sri Lanka, Romania, Bangladesh, South Africa, Kazakhstan, Ukraine, ebay hot selling agricultural tractor spare parts Kyrgyzstan, Nigeria, Uzbekistan, Tajikistan, Japan, Malaysia, Australia
Applicable Industries: Manufacturing Plant
Machinery Test Report: Provided
Video outgoing-inspection: Not Available
Warranty of core components: 1 Year
Core Components: Bearing, Motor, Gearbox
Name: EPS foam recycling compressor
Treating material: EPS EPE EPP XPS foamed material
Compressing mode: screw compressing
Control System: PLC
Power: 7.5/11/15KW
Crushing shaft: 2 shaft or 4 shaft
Brand: Greenlandplast
MOQ: 1 Set
Marketing Type: New Product 2571
Packaging Details: standard exporting packing
Port: ZheJiang

Product Overview Greenlandplast EPS Styrofoam Polystyrene Recycling Machine The EPS foam compressor generates a pressure-compressed force to compress foam by the screw spiral rotation,then make the foam scrap into an EPS foam compression blocks. Our Greenland brand foam compressor machines, can reach max up to 50 times compression ratio, greatly reduce the storage and transportation costs of EPS foam, are good choice for EPS foam recycling. Benefits:1:Uniqued designed screw compression technology ,max compression ratio reach 50:12:Adopt mechanical cold compression way, environmental, safe, no fumes, lower power consumption;3:Siemens PLC Control System ,makes the operation be easy and convenient4:All parts are Siemens, Schneider .,etc international brands ,quality realiable & durable.5:Suitable for different types and condtions EPS,XPS ,EPP,widely used FEATURES AT A GLANCE PRODUCT SPECIFICATIONS

ModelGL-CP-50GL-CP-100GL-CP-200GL-CP-300
Capacity50kg/h100kg/h200kg/h300kg/h
Screw diameterΦ138mmΦ290mmΦ350mmΦ china bearing CZPT high quality deep groove ball bearing 410mm
Inlet size615mmx500mm1000mmx600mm1000mmx600mm1500mmx600mm
Screw rotation speed30rpm36rpm36rpm36rpm
Crusher blade quantity10pcs2 crushing shafts 9&10pcs4 crushing shafts 10&11&10&11pcs4 crushing shafts 10&11&10&11pcs
Crusher rotation speed100rpm120rpm120rpm120rpm
Main motor3kw7.5 kw11kw15kw
Crusher motor1.1kw2.2kw X 2pcs2.2kw X 4pcs2.2kw X 4pcs
1.5 kw1.5kw2.2kw
EPS Block size100×100mm250×250mm380x380mm380x380mm
Diemension1200x1000x1400mm3000×1300×2100mm4800x1500x2500mm4960x4480x4430mm
Weight850kg1400Kg1800kg2600kg
PRODUCT CONFIGURATION EPS foam recycling compressor machine Main motor with high torque gearbox crushing motor crushing blade,crushing ,then compressing More Product Company Profile Product packaging FAQ 1、Technical innovation ,Quality first Pays attention to technology research & development and product quality. Based on the company’s mature R&D design team, we carry out technical reforms on traditional equipment insist on high-quality request, more stable, high performance and efficiency, increase the economic benefits of recycling manufacturers! 2、Offer different customers customized solutions Offer customized and integrated solutions according to different requirements of customers 3、One-stop turnkey project conceptSince the customer consider setting up project, we start design the most suitable production line process to meet the customer’s demand, workshop condition, etc. Our design and engineering team will provide customers with one-stop turnkey solution include complete pre-sale and after-sales service 4、 Installation ,training & Good after-sales serviceWe have dedicated after-sales personnel of providing installation and commissioning serivce ,and spare parts warehouse to ensure the timely supply of some conventional accessories parts! HL wholesale bearings 32215 taper roller bearing

screwshaft

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.
screwshaft

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.
screwshaft

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.

China EPS Polystyrene Recycling Foam Cold-press Machine Cold Press Block Machine     screw blade shaftChina EPS Polystyrene Recycling Foam Cold-press Machine Cold Press Block Machine     screw blade shaft
editor by czh 2023-07-03