China BD-7.5EMP Variable Frequency Air Compressor Screw Air Compressor Super sound-off Energy Saving Air-compressors threaded bearing shaft

Applicable Industries: Hotels, Manufacturing Plant, Food & Beverage Factory, Farms, Retail, Energy & Mining, Advertising Company
Showroom Location: Viet Nam, Peru, Saudi Arabia, Pakistan, Mexico, South Africa, Uzbekistan, Malaysia
Condition: New
Type: Screw
Configuration: Stationary
Power Source: AC POWER
Lubrication Style: Lubricated
Mute: Yes
Model Number: BD-7.5EPM
Voltage: 380V/220V/440V/, 220V/380V/410V
Dimension(L*W*H): 1250*800*1000mm
Warranty: 1 Year
Working Pressure: 8 bar, 12 bar, 10 bar, 15 bar, 12.5 bar
Machinery Test Report: Provided
Video outgoing-inspection: Provided
Marketing Type: Hot Product 2019
Warranty of core components: 1.5 years
Core Components: Engine, Motor, Bearing, Air End
Gas Type: Air
Logo: BALDOR
Cooling method: Air Cooling
Motor power: 7.5kw
Working pressure: 8bar/10bar/12.5bar
Drive method: One-shaft drive method
Noise: 65dB
Capacity: 2.6m3/min
Certification: CE/ISO9001
After Warranty Service: Online support
Packaging Details: export wooden cases

Intelligent PM VSD Screw Air CompressorEPM SeriesWith lots of technology patents.Remote control system provided.With latest air end and one-shaft structure make it more compact,stable and effective.High-efficiency PM motor saves about 6-7% more energy comparedwith 3 phase asynchronous motor.Due to the intelligent VSD technology,this air compressor saves42% more energy than a fixed speed one. Digital Management System0ur digital management “B&DCloud”” custom plastic cover drive shaft tractor parts small metal part , which contains powerful functions and built-in perfect algorithm,is equipped in all models of EPM series torealize real-time digital management and humanized operation of compressors.VSD + Electric CabinetVSD+ compressors are more energy-saving. The electronic components are cooled well, so the service lifetime are longer.And the inverter isinstalled separately from other electronic control parts, so it is with good heat dissipation.Permanent Magnet Variable Frequency MotorAutomatic control of power consumption,Energy-saving control can significantly reduce operating costs.Twin Screw HostHigh-quality screw host, high efficiency, low speedLow noise, low energy consumption, low maintenance cost.High Efficiency Oil SeparatorUpright oil separation tank design, low oil content loading/unloadingReduce the loss of compressed air during the cycle.Efficient cooling systemHigh heat dissipation efficiency to ensure continuous operation in high temperature and high humidity environment.Reliable Air FilterIt can filter the tiny CZPT particles in the air to ensure the normal operation and service lifetime of the equipment.

ModelFAD(m³/min)Pressure(Mpa)BD-7.5EPMBD-11EPMBD-15EPMBD-22EPMBD-30EPMBD-37EPMBD-45EPMBD-55EPM
0.7/0.6-0.80.54~1.350.72~1.81.04~2.61.52·3.82.08~5.22.72~6.83.36~8.44.4~11.0
1/0.85-10.41~1.030.54~1.340.83~2.071.28~3.211.78~4.452.28~5.692.9~7.243.56~8.9
1.25/1.1-1.250.33~0.830.41~1.030.7~1.761.12~2.791.57~3.392.03`5.072.48~6.213.14~7.86
Ambient Temperature -5-+40℃
Cooling ModeAir-CoolingAir-or Water-Cooling
DischargeTemperature≤10℃Environment Temp+ 10℃<40℃
LubricantLiter4916203055
NoisedB(A)62±265±268±2
Driven modePermanent Magnet Synchronous
Electricity ( v/ph/Hz)220V/380V/415V/440V/460V/480V/3ph/50Hz/60Hz
PowerKW7.511152230374555
Starting modeVSD Starter
DimensionmmLength9001571125014501600
Width6007108009001150
Height8201571112012501370
Weightkg190286300430580585780950
Air Outlet Pipe Diameter inchZG1/2″ZG1″ZG1/4″ZG1 1/2″ZG2″
ModelFAD(m³/min)Pressure(Mpa)BD-75EPMBD-90EPMBD-110EPMBD-132EPMBD-160EPMBD-185EPMBD-220EPMBD-250EPM
0.7/0.6-0.85.44~13.66.72~1.688.6~21.59.6~2411.88~29.713.44~33.616.16~40.418.4~46
1/0.85-14.8~125.63~14.077.12~17.798..48~21.2110.14~25.3411.59~28.9713.32~33.3115.64~39.1
1.25/1.1-1.254.14~10.345.05~12.626.12~15.316.95~17.388.48~21.219.93~24.8311.79~29.4813.66~34.14
Ambient Temperature-5-+40℃
Cooling ModeAir-or Water-CoolingAir-or Water-Cooling
DischargeTemperature≤10℃Environment Temp+ 10℃<40℃
LubricantLiter659901612030144
NoisedB(A)68±275± WaveTopSign 997 Powerful DC Motor Input Voltage DC12-36V High Speed Motor Silent Ball Bearing Motor 278±2
Driven modePermanent Magnet Synchronous
Electricity ( v/ph/Hz)220V/380V/415V/440V/460V/480V/3ph/50Hz/60Hz
PowerKW7.511152230374555
Starting modeVSD Starter
DimensionmmLength9001571125014501600
Width6007108009001150
Height8201571112012501370
Weightkg190286300430580585780950
Air Outlet Pipe Diameter inchZG2″ZG1″DN80ZG1/4″ DN100ZG1 1/2″DN125
1. Who are we?We are based in ZheJiang , China, start from 2571,sell to Southeast Asia(30.00%),North America(28.00%),South Asia(20.00%),South America(10.00%),Africa(4.00%),Mid East(3.00%),Domestic Market(3.00%),Eastern Europe(00.00%),Southern Europe(00.00%). There are total about 201-300 people in our office.2. How can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.What can you buy from us?Screw Air Compressor,Scroll Air Compressor,Air Treatment Equipment4. Why should you buy from us not from other suppliers?20 years R&D experienceLeader in PM air compressorOn-time delivery and after-sale serviceWorldwide sales network5. What services can we provide?Accepted Delivery Terms: FOB,CFR,CIF,EXW;Accepted Payment Currency:USD;Accepted Payment Type: T/T, NEMA23 CZPT Stepper Motor kit Diameter=8 428Oz-in 3.0N.m Closed loop stepper motor L/C;Language Spoken:English,Chinese

Screws and Screw Shafts

A screw is a mechanical device that holds objects together. Screws are usually forged or machined. They are also used in screw jacks and press-fitted vises. Their self-locking properties make them a popular choice in many different industries. Here are some of the benefits of screws and how they work. Also read about their self-locking properties. The following information will help you choose the right screw for your application.

Machined screw shaft

A machined screw shaft can be made of various materials, depending on the application. Screw shafts can be made from stainless steel, brass, bronze, titanium, or iron. Most manufacturers use high-precision CNC machines or lathes to manufacture these products. These products come in many sizes and shapes, and they have varying applications. Different materials are used for different sizes and shapes. Here are some examples of what you can use these screws for:
Screws are widely used in many applications. One of the most common uses is in holding objects together. This type of fastener is used in screw jacks, vises, and screw presses. The thread pitch of a screw can vary. Generally, a smaller pitch results in greater mechanical advantage. Hence, a machined screw shaft should be sized appropriately. This ensures that your product will last for a long time.
A machined screw shaft should be compatible with various threading systems. In general, the ASME system is used for threaded parts. The threaded hole occupies most of the shaft. The thread of the bolt occupy either part of the shaft, or the entire one. There are also alternatives to bolts, including riveting, rolling pins, and pinned shafts. These alternatives are not widely used today, but they are useful for certain niche applications.
If you are using a ball screw, you can choose to anneal the screw shaft. To anneal the screw shaft, use a water-soaked rag as a heat barrier. You can choose from two different options, depending on your application. One option is to cover the screw shaft with a dust-proof enclosure. Alternatively, you can install a protective heat barrier over the screw shaft. You can also choose to cover the screw shaft with a dust-proof machine.
If you need a smaller size, you can choose a smaller screw. It may be smaller than a quarter of an inch, but it may still be compatible with another part. The smaller ones, however, will often have a corresponding mating part. These parts are typically denominated by their ANSI numerical size designation, which does not indicate threads-per-inch. There is an industry standard for screw sizes that is a little easier to understand.
screwshaft

Ball screw nut

When choosing a Ball screw nut for a screw shaft, it is important to consider the critical speed of the machine. This value excites the natural frequency of a screw and determines how fast it can be turned. In other words, it varies with the screw diameter and unsupported length. It also depends on the screw shaft’s diameter and end fixity. Depending on the application, the nut can be run at a maximum speed of about 80% of its theoretical critical speed.
The inner return of a ball nut is a cross-over deflector that forces the balls to climb over the crest of the screw. In one revolution of the screw, a ball will cross over the nut crest to return to the screw. Similarly, the outer circuit is a circular shape. Both flanges have one contact point on the ball shaft, and the nut is connected to the screw shaft by a screw.
The accuracy of ball screws depends on several factors, including the manufacturing precision of the ball grooves, the compactness of the assembly, and the set-up precision of the nut. Depending on the application, the lead accuracy of a ball screw nut may vary significantly. To improve lead accuracy, preloading, and lubrication are important. Ewellix ball screw assembly specialists can help you determine the best option for your application.
A ball screw nut should be preloaded prior to installation in order to achieve the expected service life. The smallest amount of preload required can reduce a ball screw’s calculated life by as much as 90 percent. Using a lubricant of a standard grade is recommended. Some lubricants contain additives. Using grease or oil in place of oil can prolong the life of the screw.
A ball screw nut is a type of threaded nut that is used in a number of different applications. It works similar to a ball bearing in that it contains hardened steel balls that move along a series of inclined races. When choosing a ball screw nut, engineers should consider the following factors: speed, life span, mounting, and lubrication. In addition, there are other considerations, such as the environment in which the screw is used.
screwshaft

Self-locking property of screw shaft

A self-locking screw is one that is capable of rotating without the use of a lock washer or bolt. This property is dependent on a number of factors, but one of them is the pitch angle of the thread. A screw with a small pitch angle is less likely to self-lock, while a large pitch angle is more likely to spontaneously rotate. The limiting angle of a self-locking thread can be calculated by calculating the torque Mkdw at which the screw is first released.
The pitch angle of the screw’s threads and its coefficient of friction determine the self-locking function of the screw. Other factors that affect its self-locking function include environmental conditions, high or low temperature, and vibration. Self-locking screws are often used in single-line applications and are limited by the size of their pitch. Therefore, the self-locking property of the screw shaft depends on the specific application.
The self-locking feature of a screw is an important factor. If a screw is not in a state of motion, it can be a dangerous or unusable machine. The self-locking property of a screw is critical in many applications, from corkscrews to threaded pipe joints. Screws are also used as power linkages, although their use is rarely necessary for high-power operations. In the archimedes’ screw, for example, the blades of the screw rotate around an axis. A screw conveyor uses a rotating helical chamber to move materials. A micrometer uses a precision-calibrated screw to measure length.
Self-locking screws are commonly used in lead screw technology. Their pitch and coefficient of friction are important factors in determining the self-locking property of screws. This property is advantageous in many applications because it eliminates the need for a costly brake. Its self-locking property means that the screw will be secure without requiring a special kind of force or torque. There are many other factors that contribute to the self-locking property of a screw, but this is the most common factor.
Screws with right-hand threads have threads that angle up to the right. The opposite is true for left-hand screws. While turning a screw counter-clockwise will loosen it, a right-handed person will use a right-handed thumb-up to turn it. Similarly, a left-handed person will use their thumb to turn a screw counter-clockwise. And vice versa.
screwshaft

Materials used to manufacture screw shaft

Many materials are commonly used to manufacture screw shafts. The most common are steel, stainless steel, brass, bronze, and titanium. These materials have advantages and disadvantages that make them good candidates for screw production. Some screw types are also made of copper to fight corrosion and ensure durability over time. Other materials include nylon, Teflon, and aluminum. Brass screws are lightweight and have aesthetic appeal. The choice of material for a screw shaft depends on the use it will be made for.
Shafts are typically produced using three steps. Screws are manufactured from large coils, wire, or round bar stock. After these are produced, the blanks are cut to the appropriate length and cold headed. This cold working process pressudes features into the screw head. More complicated screw shapes may require two heading processes to achieve the desired shape. The process is very precise and accurate, so it is an ideal choice for screw manufacturing.
The type of material used to manufacture a screw shaft is crucial for the function it will serve. The type of material chosen will depend on where the screw is being used. If the screw is for an indoor project, you can opt for a cheaper, low-tech screw. But if the screw is for an outdoor project, you’ll need to use a specific type of screw. This is because outdoor screws will be exposed to humidity and temperature changes. Some screws may even be coated with a protective coating to protect them from the elements.
Screws can also be self-threading and self-tapping. The self-threading or self-tapping screw creates a complementary helix within the material. Other screws are made with a thread which cuts into the material it fastens. Other types of screws create a helical groove on softer material to provide compression. The most common uses of a screw include holding two components together.
There are many types of bolts available. Some are more expensive than others, but they are generally more resistant to corrosion. They can also be made from stainless steel or aluminum. But they require high-strength materials. If you’re wondering what screws are, consider this article. There are tons of options available for screw shaft manufacturing. You’ll be surprised how versatile they can be! The choice is yours, and you can be confident that you’ll find the screw shaft that will best fit your application.

China BD-7.5EMP Variable Frequency Air Compressor Screw Air Compressor Super sound-off Energy Saving Air-compressors     threaded bearing shaftChina BD-7.5EMP Variable Frequency Air Compressor Screw Air Compressor Super sound-off Energy Saving Air-compressors     threaded bearing shaft
editor by czh 2023-03-17