Gearing Arrangement: Worm
Output Torque: 50~2300Nm
Input Speed: 750~3000rpm
Output Speed: 0.64-350rmp
Color: Customer Requirement
Material: Cast Iron
Heat treatment: Gear Grinding
Packaging Details: Wooden box
Port: ZheJiang , HangZhou

Product Application
The NMRV worm gearbox is new generation of products by our factory on the basis of perfecting WJ series products with compromise of advanced technology both at home and abroad.It’s apprearance adopts advanced square box structure.It’s outer body is made of high quality aluminium alloy die casting into forming.It’s small in volume,light weight,high in radiating efficiency,large in output torque,smooth in running and low noise.It’s suitbale for all positions.China nmrv 075 gearbox NMRV90 Worm gear speed reducer
The worm gear speed reducer is widely used in electronic lock, intelligent vehicle, robot, automatic window curtain, mini crane hoist, etc.

Product Feature
Reduction Ratio: 20:1; Output Shaft Diameter: 1 inch; Input Shaft Diameter: 5/8 inchOutput Shaft Length: 3-5/8 inch; Input Shaft Length: 1-7/8 inch; Material: Cast AluminumMax. Rated Horsepower: 1.14HP; 881 plastic sprocket wheel sprocket chain wheel for food conveyor machine Mounting Flange: 56C; Max. Rated RPM: 1750 RPMThis high quality speed reducer has an all aluminum heat sinking designed housing with epoxy coating.

Product Parameters

Product Shows

production process
Why Choose Us
PRE SALES SERVICES:
In order to allow each customer to better understand the product performance and requirements, we will provide detailed and thoughtful service. 1: the company regularly sends company profiles to each potential customer including the company’s product information, the company’s various strengths, and the detailed production information. China nmrv 075 gearbox NMRV90 Worm gear speed reducerTwo: according to the different needs of users, we have developed and manufactured products of different types, and salesmen will recommend the appropriate products for you in detail, so as to help you choose the right equipment.
AFTER SALE SERVICE:
The company will timely deliver the goods according to the terms of the contract, and the customer service staff will communicate with customers timely and effectively, so as to solve all kinds of products that do not understand in the process of customer product use. Follow the customer’s feedback after receiving the equipment. We receive the quality of any product, and the technicians will guide the problem. All products have a guarantee of three. Do a good job of maintenance and service.

OUR COMPANY
HangZhou speed reducer machine Co., Ltd.( It was called the east speed reducer machinary factory),was established in 1997 in the town of china speed reducer machine , in order to meet customer requirements and our own development needs, we set up another company in 2017 in ZheJiang , Chain Sprocket Roller Chain Sprockets 04C 06B 08B 10A 12A 16A 9 26 27 teeth named HangZhou speed reducer machine Co., Ltd. The new company was covering 20 acres, for our customers to provide more excellent service overseas. We specializing in the production of reducer and rotary airlock valve, now employs 59 people (including engineering and technical personnel 15 people, 8 quality control personnel), have a certain design, the capacity of the production of precision.Our company eastablishied the quality assurance system from design,develop,produce,install and service,Carrying out “the quality first,the prestige is supreme”,our products have been exported to England, Building Material ShopsMachinery Repair Shops Mini 6 Volt Crane Worm Gearbox Korea,Saudi Arabia and have gained a good reputation among our customers
China nmrv 075 gearbox NMRV90 Worm gear speed reducer

packing and shipping
1. DHL, UPS, FedEx, TNT, EMS for samples, door-to-door delivery.
2. By Air or by Sea for batch goods; Or as you wish.
3. Delivery Time: 3-7 days for samples; 3-25 days for batch goods.
4. Inside packing: poly bag or blister bag 5. Outer packing: carton box
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.21 years of production experience.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
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: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance , Coupling manufacturers Hot Selling LM(ML) plum CZPT type elastic shaft coupling flexible shaft coupling high quality balance before shippment. If you have another question, pls feel free to contact us as below:

What is a worm gear reducer gearbox?

The worm gear reducer gearbox is used to change the output speed of the mechanical device. It consists of worm and helical gears mounted on the input side of the equipment. In some cases, this gear reduction system can be multi-stage, enabling extremely low output speeds. It has the advantages of low energy consumption and low vibration.
Hollow shaft worm gear reducer gearbox

Worm gear reducer gearbox is an effective device to reduce the speed of mechanical equipment. The use of hard steel or non-ferrous metals for the worm increases its efficiency. Worms made of hard steel generate more heat than worms made of mild steel. Different thermal expansion results in gaps between mating surfaces. Despite its many benefits, worm gear reducer gearboxes are prone to oil leakage, which can be a problem for a number of reasons.
Hollow shaft worm gear reducer gearboxes are available in different gear ratios and are compatible with many motor types. Some are available in dual-axis and single-axis configurations and can be mounted horizontally or vertically. They are also available in intermediate ratios, as well as four- and five-speed transmission types. They can also be connected with additional output shafts.
Another type of worm gear reducer gearbox is the multi-stage variety. This gear reducer gearbox has multiple stages, enabling it to reduce speed with extremely low output speeds. In addition to the large transmission ratio, the multi-stage gear reducer gearbox has low noise, low vibration and low energy consumption.
Worm gear reducer gearboxes offer space-saving solutions as well as increased torque. Agknx Gearbox offers worm gear reducer gearboxes that solve common deceleration problems. The company has also expanded its product range into the bathroom market. Compared with the standard gearbox, the worm gear reducer gearbox has the characteristics of lower price and better torque output.
Agknx worm gear

The Agknx type worm gear reducer gearbox has multi-tooth line contact and is widely used in heavy machinery. These gears are characterized by a high load-carrying capacity, but they are highly sensitive to misalignment and manufacturing errors. However, by employing point contact, these gears can be made more reliable and can withstand higher loads.
Another major advantage of the Agknx worm gear is its high load capacity. The tooth profile design of the gears has a high relative slip ratio, which improves efficiency and load capacity. In addition, the large angle between the sliding direction and the contact line provides a low coefficient of friction. The Agknx worm gear also features premium carburized steel and phosphor bronze castings for exceptional durability. In addition, the tooth profile is very precise, the operation is quiet, and the speed fluctuation is small.
Agknx worm gear reducer gearboxes are designed to operate for up to ten hours per day with an even load. The design of this worm gear reducer gearbox stems from Sumitomo Heavy Industries’ extensive experience in gear reducer gearboxes. The smooth surface texture and precise tooth profile of the gears ensure that the gears can withstand high loads without damaging the lubricant film. In addition, Agknx worm shafts are specially designed to have the right stiffness.
Agknx worm gear reducer gearboxes are designed to maximize load capacity while minimizing energy consumption. Its fully meshed teeth reduce surface pressure on the worm gear teeth and increase load capacity.
Double throat worm gear

There are a few things to consider when choosing a dual-throat worm gear. First, the diameter of the root circle must match the circle pitch of the larger gear. This measurement is usually done by measuring the distance between adjacent teeth. Alternatively, the worm’s normal module can be used. It is the value entered in the worm module dialog. In addition, the axial pitch of the worm should be equal to the pitch diameter of the circular pitch.
Double-throat worm gears are an excellent choice for heavy and heavy-duty applications. The design of this worm gear is ideal for heavy-duty applications as it provides a tighter connection between the worm and the gear. It is also more compact than other types of gear and is comparable to a fine-pitch lead screw.
The efficiency of a double-throat worm gear depends on the material of the gear and worm. Typically, gears are made of case-hardened steel, while worm gears are made of bronze or cast iron. In some cases, a combination of cast iron and bronze can be used.
The deflection of the worm shaft is also affected by the tooth parameters. Tooth height, pressure angle, and size factors all affect the deflection of the worm shaft. In addition, the number of worm threads is another important parameter that affects the deflection of the worm shaft.
Double-throat worm gears are commonly used in industrial applications where high drive reduction is required. The worm has a concave and internal tooth structure that can be adjusted to achieve various ratios. Worm gears and worm gear assemblies must be properly mounted on their shafts to prevent back drive.
Brass worm gear

The basic working principle of the brass worm gear reducer gearbox is the same as that of the traditional worm gear reducer gearbox. Its axial pitch must be equal to the circumferential pitch of the larger gear. The single-thread design advances one tooth per revolution, while the double-thread design advances two teeth. The threads on the worm are either left-handed or right-handed. The lead of a worm is the distance a point on the thread of the worm moves in one revolution. The lead angle is the angle tangent to the pitch of the cylinder and the axis of the worm.
Double-thread worm gear reducer gearboxes are best for heavy loads. It provides the tightest connection between the worm and the gear. Assembly of the worm gear requires precise mounting. The keyway installation method involves drilling a square cut in the gear hole. This prevents the worm from rotating on the shaft and helps transmit torque. Then use the set screw to secure the gear to the hub.
The large fuel tank helps keep the worm gear clean and reduces heat. It also provides lubrication for extended life. Worm gear reducer gearboxes with oil reservoirs provide a lubricated environment and low-friction surfaces. Additionally, it offers multi-position installation flexibility. Additionally, its housing is cross-milled for precise alignment. It also features internal baffles for leak-free ventilation.
I260 series worm gear reducer gearboxes are one-piece iron casings with solid or hollow output shafts and tapered roller bearings. This gear reducer gearbox is designed for low to medium-horsepower applications. This gear reducer gearbox is a cost-effective option with low initial cost, the high gear ratio, and high torque in a compact package. Also, it is more shock resistant than other gear reducer gearboxes.
Brass worm gear

Brass worm gear reducer gearbox is a reduction gear. This type of gear can provide a lot of reduction in a small package. This type of gear reducer gearbox also has the ability to generate high torque. However, it is important to understand that this gear reducer gearbox has thermal limitations, which reduce its efficiency. The choice of lubricant for this gear reducer gearbox is very flexible. However, being a yellow metal, it is important to remember that the lubricant must be non-reactive.
Worm gears are used in many consumer and industrial applications and have high reduction ratios. These gears are produced in various configurations and sizes. Worm gears are similar to spur gears but have non-parallel shafts. Worm gears are also suitable for applications requiring low output speed but high torque.
Worm gears have some distinct advantages over other gears. First, unlike standard gears, the worm rotates in a worm-like motion. This mechanism prevents reverse movement. This is because the lead angle of the worm gear is small. Additionally, the worms self-lock, helping to prevent reversal. However, this mechanism is not entirely reliable. Worm gears can be found in elevators, fishing reels, sprockets, and automotive power steering.
Another advantage of worm gears is that they are easy to manufacture. The rationale behind this design is to have two mutually perpendicular axes. Then, two or more threads are added to the worm gear. The common tangent between these two shafts intersects the pitch line of the worm gear shaft. This is the basis of transfer speed.

editor by Cx 2023-07-11