China manufacturer China Supplier Hdm Series Manual Override Worm Gear Box with Great quality

Product Description

Description

 

HDM De-clutchable wormgear offers simple and reliable manual positioning of the valves, dampers and other quarter-turn devices when overriding existing pneumatic, electric or hydraulic quarter-turn actuators. All unit are suitable for both indoor and outdoor installation. The modular design is to provide the most efficient and effective solution to a full range of manual overriding requirements.

Main Product features
 

To engage manual operation, first pull out the lock handle and then rotate the clutch lever in anti-clockwise direction until engagement takes place. To return to automatic mode, first pull out the lock handle and then rotate the clutch lever in clockwise.

Remark:The bottom center of the HDM-4 is either F10/F14 or F10/F12

 

 

New Manual Override Countershaft Valve Connection Actuator Connection
b1 N b2 M D1 4-M1 D2 4-M2 E D3 4-Φ1 D4 4-Φ2
HDM-1 14 22 14 16 Φ50 4-M6 Φ70 4-M8 70*70 Φ50 4-Φ6.5 Φ70 4-Φ8.5
HDM-2 17 22 17 18 Φ70 4-M8 Φ102 4-M10 95*95 Φ70 4-Φ8.5 Φ102 4-Φ10.5
HDM-3 22 28 22 22 Φ102 4-M10 Φ125 4-M12 114*114 Φ102 4-Φ10.5 Φ125 4-Φ12.5
HDM-4 27 32 27 30 Φ102 4-M10 Φ125 4-M12 129*129 Φ125 4-Φ12.5 Φ140 4-Φ16.5
HDM-5 36 45 36 38 Φ140 4-M16 / / 156*156 Φ140 4-Φ17 Φ165 4-Φ21
HDM-6 46 50 46 48 Φ165 4-M20 / / 160*160 Φ165 4-Φ22 / /

New Manual Override A B ΦC F T Y H S K Ratio Rated Input Rated Onput
HDM-1 90 55 Φ88 115 44 145 120 53 10 26:1 Nm 250Nm
HDM-2 125 64 Φ110 135 62.5 178 133 56.5 13 28:1 Nm 450Nm
HDM-3 140 71 Φ129 166 70 212 180 68.7 12.5 38:1 Nm 700Nm
HDM-4 188.5 93 Φ174 202 94 280 195 84 15 54:1 Nm 1200Nm
HDM-5 222 110 Φ205 245 110 315 225 92 15 80:1 Nm 2000Nm
HDM-6 252 120 Φ275 280 125 320 252 102 15 78:1 Nm 3000Nm

1. Question:What is your main products?

   Answer:Our main products are Pneumatic Actuators, Electric Actuators, Actuated Valves And Valve actuators Accessories..
 

2. Question:Are you a trader or manufacturer ?

   Answer: We are the pneumatic actuators and electric actuators manufacturer , we have ability to do the customization products with experienced team, And we have own factory and production line.
 

3. Question:How do your make the quality guarantee for actuators?

   Answer:We have our own quality control system for incoming and outgoing of the materials, every product will be under controlled and tested before delivery to our customer , and we also provide 18 months guarantee ,beside we provide technical supporting .

4.  Question:When can I receive the Price of valve actuators ?

   Answer:We will give the Quotation Within 24 hours after we get your inquiry .Or Your can call or message us if it’s quite urgently.
 

5. Question:How to order our pneumatic actuators and electric actuators ?

   Answer:Please send us your inquiry by Email, , etc. we need to know the following informations before giving the formal Quotation.
1) Product information in details, Quantity, Other requirements
2) Delivery time required
 

6. Question:How can I get a sample to check your quality?

   Answer:Contact with our sales expert to arrange the sample delivery. Please send us the details of the sample before placing the order.
 

7. Question:Shall we pay the sample cost and transportation cost ?

   Answer:We will provide the sample by free of charge. Your will bear the freight cost.
 

8. Question:How long to prepare the sample ?

   Answer:Most of our products are under regular production and some of them we keep in stocks.
 

9. Question:How to delivery the sample to our place?

   Answer:Your can provide your forwarders contacts if any, or we will arrange it for you.
 

10. Question:What about the delivery date if we place the formal order ?

   Answer:Usually it takes 15~20days on the production .We know that on-time delivery is very crucial to our customers to meet dead-lines.
We monitor and expedite our supply chain to ensure that we delivery our products to our customers on-time all the time.

Application: Motor
Function: Change Drive Direction, Speed Changing
Layout: Coaxial
Hardness: Soft Tooth Surface
Installation: Torque Arm Type
Step: Double-Step
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Types of Gearboxes

There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.

planetary gearbox

The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to one another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into three main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of two gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?

helical gearbox

The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the two types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.
gearbox

helical gear reducer

A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.
gearbox

Continuously variable transmission

A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.

China manufacturer China Supplier Hdm Series Manual Override Worm Gear Box   with Great quality China manufacturer China Supplier Hdm Series Manual Override Worm Gear Box   with Great quality
editor by CX 2023-06-02