Product Description

Product Description

Forklift Gear Pump CZPT AZPF AZPG Series Hydraulic Gear Pump AZPF-12-019/571/571/571 AZ-P-G-22-032/036/045/056/063

Feature:

– Displacements 4 cc – 28 cc
– Nominal pressure 280 bar
– Slide bearings for heavy duty applications
– Drive shafts to SAE or ISO
– Ports: threaded or flange
– Wide range of configurations
– Tandem and multi-pump configurations

Brand	POOCCA/OEM/ODM
Series	Group 2
Pressure	280 Bar
Material	Cast Iron+Aluminum
Stock	In Stock

Order codes:

571515012 571957124 571525375 571625061 571565138 571625093 571625026 571665199 571665132 571765337 571565098 571525074 571565080 571565385 571566307 571325026 571725031 571665133 571768059 571767061 571525072 571565081 571515357 571566308 571765571 571725231 571665134 571565124 571766 571769 571566309 571725065 571655 571515017 571425332 571565393 571565084 571565388 571566310 571957106 571725161 571715 571825571 571525380 571565085 571565389 571566312 571565050 571725434 571625095 571725476 571769571 571525381 571565086 571765131 571950305 571525076 571655011 571768571 571625062 571725360 571525384 571565087 571615318 571425059 571625035 571655012 571665141 571825037 571725441 571525385 571565088 571865015 571825323 5717251 571665142 571769318 571765408 571525386 571957127 571565394 571566317 571565062 571655014 571767307 571715571 571525071 571525315 571565090 571725491 571425571 571625039 571725091 571665144 571725043 571525377 571865311 571565091 571767016 5717121 571625041 571825019 571625106 571765363 571525073 571525389 571565092 571645 571625042 571655017 571625317 571665375 57111 571725342 571901510 571425338 571625063 571655018 571665147 571666 571715313 571565094 571525093 571615 571655019 571765072 571625109 571625033 571525343 571865016 571767312 571615571 571765037 5716553 571725199 571765038 571725408 571565096 571425051 57171321 571525345 571767335 571725176 571725216 571566303 571767338 571767 571901515 571765026 571655302 571665151 571110329 571769 571768 571615017 571525335 571625067 571665152 571515314 571525081 571625043 571565099 57171301 571615018 571625050 571655304 571665153 571565328 571525083 571545 571725486 571725438 571525356 571655305 571665121 571565419 571525084 571545 571715026 571768051 571625052 571515353 571665155 571515317 571525085 571545 571525329 571615571 571865571 571665019 571665166 571515318 571525086 571545 571625571 571765338 571525045 571565033 571765380 571515320 571525087 571565061 571565104 571565412 571625112 571625055 571665571 571665168 571515321 571525601 5715453 571515333 571655301 571615 571665131 571767082 571525090 571765109 571565113 571565414 571615571 571625080 571665571 5717254 571725436 571725206 571715317 571765342 571615571 571765331 571665330 571765571 571725150 571515360 571901504 571565115 571565417 571665195 571625060 571725217 571665173 571665571 5715654 571768 571665191 571725111 571665571 571665175 571515328 571565367 57171 571525571 571725187 571565133 571525060 571665176

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Review

57171313 Aluminum 4cc to 28cc Gear Pump Made in China

Our Advantages

1.Quick response within 12 hours 
2.Accept small order(MOQ:1pcs) 
3.Poocca make large inventory of all pumps parts,we can assembly pumps the moment you place the order with most competitive price. 
4.Excellent after-sales service 
5.Strict quality control system.100% factory testing and inspection personnel in accordance with international standards for the high-frequency sampling,to ensure the quality of products manufactured

Company Profile

Packaging & Shipping

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Standard Exporting Package:Carton/Wooden Case.

FAQ

Q:1.What’s your main application? –Construction machinery 
–Industrial vehicle 
–Environmental sanitation equipment 
–New Energy
–Industrial Application. 

Q:2.What is the MOQ? 
–MOQ:1pcs.

Q:3.Can I Mark My Own Brand On The Pump? 
–Yes. Full order Can mark your brand and code. 

Q:4.How long is your delivery time? 
–Generally it is 2-3 days if the goods are in stock. or it is 7-15 days .if the goods are not in stock, it is according to
quantity. 

Q:5.What payment method is accepted? 
–T/T,L/C,Western union,Trade assurance,VISA

Q:6.How to Place your order ? 
1).Tell us Model number ,quantity and other special requirements. 
2).Proforma Invoice will be made and send for your approval. 
3).Productions will be arranged upon receipt of your approval and payment or deposit. 
4).Goods will be delivered as stated on the proforma invoice. 

Q:7.What kind of inspection you can provide? 
POOCCA has multiple tests from material purchasing to finished products by different departments, like QA, QC, sales
representative, to guarantee all pumps are in perfect condition before shipment. We also accept the inspection by the third party you appointed.

57171313 Aluminum 4cc to 28cc Gear Pump Made in China

Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.

Threads

The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.

Lead

In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.

Pitch

The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.

Size

The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.

Shape

Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.

Lubrication

In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.