China 7.5kw9.0kw Frequency converter VFD Variator for industrial 380V vfd double worm gear reducer

Model Number: A500-4T7R5GB/011PB
Warranty: 18 months, 18 Months
Type: speed driver
Certification: CE/ISO9001
Size: 248*138*170mm
Customized: Yes
Control Mode: vector control
Rated Power: 7.5kw
Nominal Voltage: 380v
power phase number: 3
Product name: Variable Frequency Drive
Color: Black
Power: 7.5kw
WEIGHT: 3.75kg
Output Current: 17.0/20.0A
Input voltage: 380V
CONTROL MODEL: vector control
Application: Industrial Equipment Ect
OEM: Support
Packaging Details: Carton Packaging

Products Description A500 seriesSynchronous motor open loop vector control driver. Can be used to drive synchronous motor, widely used in air compressor, cable, textile and hoist and other industriesOptimized vector control universal frequency converter, G/P in one. Can be used to drive asynchronous motor and torque motor,widely used in CNC machine tools, cable, paper making, lifting, lifting, fan water pump, petrochemical, air compressor, textilemachinery, plastic machinery, woodworking machinery, ceramic machinery, stone machinery and other industries

DescriptionFrequency Inverter
Power Range0.4kw ~ 630kw
Voltage220v ~ 380v (Range -20% ~ 20%)
Phase No.1 ~ 3
Performance and features High stabilization accuracy and wide adjustment rangeSteady speed accuracy: ±0.5% (SVC)Speed ​​range: 1:200 (SVC) Torque response: ≤ Hot sale low noise oil free portable air compressor 50L 40ms (SVC) Heavy load overload capacity: 110% rated stable operation, 150% rated load 1min, 180% rated load Excellent overcurrent suppression performanceSudden load, sudden load measured current waveformTypical application machine tools, mixers, ball mills, centrifuges, conveyor belt lights and other load mutation occasions High starting torque functionSpeed ​​torque test at full loadMotor output rated torque 102.4Nm at full load CZPT control speed fluctuation measured 0.2% SVCcontrol steady speed accuracy measured 0.4% Fast current limiting technologyMinimize the probability of inverter reporting overcurrent Instantaneous stop and non-stop functionIn the case of instantaneous power failure, the inverter will not stop. In the case of instantaneous power failure or suddenvoltage reduction, the inverter reduces the output speed, and compensates the voltage reduction through the load feedback energy,so as to maintain the inverter short time operation Industry-leading speed tracking performanceThe 0.3S realization belt is the direction speed tracking start. Typical applications Fans, punches and other occasions thatrequire speed tracking Applications Pump Fan Compressor Injection molding machine Digital controlled machine tool Textile machine Products details Naming rules and Nameplate A500 series specification
ModelInput voltageOutputcurrent (A)Matched motor(kw)Matched motor(kw)
A500-3SR4G1 phase: 220VRange:-15%~20%2.30.4173*96*140
A500-4TR75GB3 phase: 380VRange: -20%~20%2.10.75173*96*140
Why Us? Over 10 years experience,focus on VFD research and development, sales and service Obtained ISO, CE certificates Provide 24Hrs online service and 3-5 days fast ship We are an original manufacturer of OEM& Vietnam Famous Brand God-Star 27hp 4WD Mini Agricultural Tractor Good Quality Small Agricultural Tractor ODM VFD, and with a guarantee of up to 18 months We provide complete user manual, spare parts, video installation instructions Company Information ZheJiang SOURZE ELECTRIC CO.,LTD IS A SUBSIDIARY OF HangZhou SWEET TECHNOLOGY CO., LTD AND HAS REGISTERED ITS OWN TRADEMARK”SOURZE DRIVES”.SWEET TECHNOLOGY BASED ON THE POWER ELECTRONICS TECHNOLOGY AND MOTOR DRIVE CONTROL TECHNOLOGY WITH COMPLETELY INDEPENDENTINTELLECTUAL PROPERTY RIGHT, FOCUSES ON THE RESEARCH AND DEVELOPMENT, MANUFACTURING, SALES AND SERVICE OF LOW AND MEDIUM VOLTAGEINVERTER, INTEGRATED AND SPECIAL AIRCRAFT, SERVO DRIVE, ELECTRIC VEHICLE MOTOR CONTROLLER, INVERTER AND OTHER POWER ELECTRONICSPRODUCTS. OUR LOW AND MEDIUM VOLTAGE FREQUENCY CONVERTERS, SERVO DRIVES ARE WIDELY USED IN WOODWORKING MACHINERY, LIFTING, STONE, HVAC, CZPT 185 180 cfm used power driven air-compressor 40hp 180cfm industrial rotary screw air compressor air compressor for sale MACHINE TOOLS, METAL PRODUCTS, WIRE AND CABLE, PLASTIC, PRINTING AND PACKAGING, TEXTILE CHEMICAL FIBER, BUILDING MATERIALS,METALLURGY, COAL, MUNICIPAL, AUTOMOBILE, RAIL TRANSIT AND OTHER INDUSTRIES. Certificates Production Line Raw material PCB board testing Software loading Welding Painting Assembly Aging test Performance testing Packing Sweet Family Packaging & Shipping FAQ Q1: What’s the function of your VFD?A1: Our VFD control the speed and frequency of motors, which is widely used in industrial control, automation system and pump system.Q2: What’s the quality of your VFD?A2: our VFD has CE certificate. For each piece we have 4 times testing before delivery. All testing strictly follow ISO 9001 standard. Q3: What’s the lead time?A3: 3-5 days, it depends on quantity. Q4: How to choose suitable VFD for my machine? A4: Please send us your machine details, we will provide you most suitable model type. Q5: Do you support OEM service? A5: Yes, nylon wire rope wheel roller PA6 POM PTFE plastic bearing pulley sheave guide pulley we support OEM and ODM. For some items we have MOQ. For more questions, feel free to send us inquiry. Q6: What’s your quality guarantee period? A6: 18 mnonths. Q7: Do you accept OEM business? A7: Sure.


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.


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.


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.


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.


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.

China 7.5kw9.0kw Frequency converter VFD Variator for industrial 380V vfd     double worm gear reducer	China 7.5kw9.0kw Frequency converter VFD Variator for industrial 380V vfd     double worm gear reducer
editor by Cx 2023-07-11