China Transmission Heavy Duty Industry Mining Crane Drive Speed Gear Reducer Helical Gearbox for Metal Working Mills electric motor helical gearbox

Solution Description

Transmission Large Obligation Market Mining Crane Generate Pace Gear Reducer Helical Gearbox for Metallic Doing work Mills

Characteristics:
1. Substantial effectiveness and conserving power.
2. Wide speed ranges and substantial torque.
3. Multi-structure, different assembling strategies.
4. High loading help, secure transmitting, and lower noise stage.
five. Superb sealing, a extensive selection of industrial applications.
six. It adopts various cooling and lubricating modes.

Item photo:

Specification:

ANG HB Industrial Gearbox
Variety Helical parallel shaft sort, Bevel-helical correct-angle kind
Model H1/B1~H26/B26
Input energy 3 ~ 5000 KW
Input pace 750rpm ~ 1500rpm
Reduction ratio one/1.twenty five ~ 1/450
Output torque  3 ~ 900kN.m
Set up type Foot / CZPT shaft / Hollow shaft / Output flange…
Performance One-stage 98%, 2-phase ninety six%, 3-phase 94%, 4-phase 92%
Precision of equipment Correct grinding, class six
Style position A / B / C / D / E / F / G / H / I
Components Again stop / Cooling fan / Cooling coil / Oil pump / Compensation tank …

Common Application 

♦ Coal mining
♦ Electrical power Plant Equipment 
♦ Metallurgical Industry 
♦ Metal Forming Machinery 
♦ Petrochemical Industry 
♦ Mining Machine 
♦ Hoisting Machinery 
♦ Cement and Building Industry 
♦ Environmental Protection Industry 
♦ Cable Industry 
♦ Chemical industry
♦ Meals Machinery 

Models
 
Horizontal:
Parallel shaft gear device box 
H1SH1, H1SH3, H1SH5, H1SH7, H1SH9, H1SH11, H1SH13, H1SH15, H1SH17, H1SH19
H2SH, H2HH, H2DH, H2KH, H2FH, H3SH, H3HH, H3DH, H3HM, H3DM, H4SH, H4HH, H4DH, H4HM, H4DM
 
Bevel helical right angle gear unit
B2SH, B2HH, B2DH, B2HM, B2DM, B3SH, B3HH, B3DH, B3HM, B3DM, B4SH, B4HH, B4DH, B4HM, B4DM
 
Vertical:
Parallel shaft gear unit box 
H2SV, H2HV, H2DV, H3SV, H3DV, H4SV, H4HV, H4DV, H4KV, H4FV 
 
Bevel helical correct angle gear unit
B2SV, B2HV, B2DV, B3SV, B3HV, B3DV, B4SV, B4HV, B4DV, B4KV, B4FV

FAQ
Q: Can you make the gearbox with customization?
A: Sure, we can customize for each your ask for, like flange, shaft, configuration, content, and so forth.

Q: Do you offer samples?
A: Of course. A sample is obtainable for testing.

Q: What is your MOQ?
A: It is 10pcs for the starting of our business.

Q: What is actually your lead time?
A: Standard goods need to have 5-30days, a bit for a longer time for custom-made items.

Q: Do you supply technical assistance?
A: Of course. Our organization has a design and development staff, and we can offer technological assistance if you
need to have.

Q: How to ship to us?
A: It is available by air, by sea, or by teach.

Q: How to pay out the cash?
A: T/T and L/C are preferred, with various currencies, which includes USD, EUR, RMB, etc.

Q: How can I know if the item is suited for me?
A: >1ST validate drawing and specification >2nd take a look at sample >3rd begin mass creation.

Q: Can I appear to your organization to go to?
A: Sure, you are welcome to check out us at any time.

Q: How shall we contact you?
A: You can send out an inquiry directly, and we will react inside of 24 several hours.

 


/ Piece
|
1 Piece

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type

###

Samples:
US$ 500/Piece
1 Piece(Min.Order)

|

Order Sample

###

Customization:
Available

|


###

ANG HB Industrial Gearbox
Type Helical parallel shaft type, Bevel-helical right-angle type
Model H1/B1~H26/B26
Input power 3 ~ 5000 KW;
Input speed 750rpm ~ 1500rpm
Reduction ratio 1/1.25 ~ 1/450
Output torque  3 ~ 900kN.m
Install type Foot / Solid shaft / Hollow shaft / Output flange…
Efficiency Single-stage 98%, 2-stage 96%, 3-stage 94%, 4-stage 92%
Precision of gear Accurate grinding, class 6
Design position A / B / C / D / E / F / G / H / I
Accessories Back stop / Cooling fan / Cooling coil / Oil pump / Compensation tank …

/ Piece
|
1 Piece

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type

###

Samples:
US$ 500/Piece
1 Piece(Min.Order)

|

Order Sample

###

Customization:
Available

|


###

ANG HB Industrial Gearbox
Type Helical parallel shaft type, Bevel-helical right-angle type
Model H1/B1~H26/B26
Input power 3 ~ 5000 KW;
Input speed 750rpm ~ 1500rpm
Reduction ratio 1/1.25 ~ 1/450
Output torque  3 ~ 900kN.m
Install type Foot / Solid shaft / Hollow shaft / Output flange…
Efficiency Single-stage 98%, 2-stage 96%, 3-stage 94%, 4-stage 92%
Precision of gear Accurate grinding, class 6
Design position A / B / C / D / E / F / G / H / I
Accessories Back stop / Cooling fan / Cooling coil / Oil pump / Compensation tank …

How to Design a Helical Gearbox

Basically, a gear is a rotating circular machine part that has teeth cut into it to transmit torque or speed. Gears operate on a similar principle to levers. However, gears are usually asymmetrical in nature, and they have meshing teeth that work together to transmit torque or speed.helical gearbox

Helix angle

Whether you’re looking for a right angle gearbox or a helical gearbox, the angle of the teeth is an important consideration. It affects contact ratios, radial force and the torque capacity of the gear.
A helical gearbox uses the same basic elements as a spur gear, except it has teeth that are closer together. It is also more suited for high-load applications. It is also quieter than conventional gears. The main differences between a helical gearbox and a spur gear are its pitch and the helix angle.
The pitch of a helical gear is measured in the plane perpendicular to the direction of the teeth. It may also be called circular pitch. The pitch of a helical gear may be greater or less than circular pitch.
The normal pitch of a helical gear is also measured in the plane perpendicular to its direction of rotation. It is often called the reference value.
Unlike the spur gear, a helical gear does not have a unique optimum pressure angle. A helical gear’s contact ratio will decrease as the pressure angle increases. This is due to the fact that the length of the contact line decreases.
The pitch of a helical planetary gearbox can be calculated by dividing the total helix angle of the pinion and gear by the sum of their normal pressure angles. The helix angle is usually between 15 and 30 degrees.

Center distance

During the design of a helical gearbox, the center distance between the gears is a crucial input parameter. The center distance should be accurately calculated and modified based on the actual usage conditions. Undersized center distances cause a gear to mesh at a point other than the pitch point, which can lead to increased noise, premature wear and amplitude modulated vibrations.
The best way to calculate a helical gear’s center distance is to calculate the helix angle. This is often referred to as the fundamental rule of gearing. The helix angle is a mathematical expression that defines the relationship between the transverse and normal planes of the gear tooth. The pitch circle diameter increases with helix angle.
The number of teeth in a gear is also a relevant input parameter. There are a number of considerations to consider for determining the helix angle, such as the tooth depth, the pitch diameter, the number of teeth, and the radii of the index circle. The tooth depth is a useful way to calculate bottom clearance.
During the design of a helical mesh, the radial and axial thrust forces are produced. The angular backlash of a gear may vary depending on the type of gear, the pitch diameter and the transmission ratio. The total length of contact lines varies more gradually with the helix angle.
The number of cross sections in a helical mesh is also important. The radial module form is more economic to manufacture. The helical gearbox can be produced by using the same tooth cutting tools as spur gears.

Backlash

Having a smooth rotation of meshing gears is important. However, backlash is an issue that needs to be addressed. There are several ways of controlling backlash. The amount of backlash required depends on the application, size, and accuracy of the gears.
There are two basic ways of reducing backlash. The first is to decrease the distance between the gear centers. The second is to use spring loaded gears. The latter works better in low torque unidirectional drives.
The difference between the distances is called the transverse contact ratio. The longer the distance, the more rotational motion is required. The angular backlash is the opposite of the radial backlash.
The backlash may also be measured in terms of the angular distance between two gears. This measurement can be converted into an angular value at the operating pitch circle. A worm gear is another example.
Using the correct backlash calculator can determine the correct amount of backlash for your helical gearbox. The amount of backlash depends on the accuracy of the individual gears and the type of gearbox.
The gearbox also has components like pulleys, bearings, and wheels. There are several ways of reducing backlash, including the use of bolts and shims to decrease the center distance between gears. In heavy duty applications, a rigid bolted assembly is common.
To calculate the backlash of a geartrain, one must know the gear ratio of each gear in the train and how much it is mated to the reference shaft. This information is especially helpful for cumulative backlash.helical gearbox

Durability

Optimal design, materials, manufacturing, and maintenance procedures affect the lifecycle of a gear. This includes production, repair and replacement costs. The optimum maintenance schedule must also account for lifecycle costs.
The life of a gear can be extended by proper tooth tip relief. This will reduce wear, improve meshing, and increase the longevity of your gear.
The helical gearbox is a specialized type of gearbox, which transforms power from one right angle axis to another. Typical applications include automotive transmissions. It is a popular choice in applications with high speed, high load, or non-parallel shafts. It is quieter and smoother than spur gears. The modular production method used in helical gearboxes provides the best possible standard for component integrity and performance.
One of the most important components of a helical gearbox is the thrust bearings. These support the thrust forces created by the gears and can absorb some of them. A helical gearbox is best suited for high load applications that require a smooth gearing motion.
A good helical gearbox is one that is manufactured with bearings that can handle axial loading. A helical gearbox with a central gulley is often needed for tool clearance. The helix angle also has a bearing on its durability.
The helix angle is also the source of the largest thrust force produced by a helical gear. This large thrust force is produced by a series of special angle cut teeth. This may be one of the reasons why helical gears have been used in high speed applications.

Noise

Generally speaking, helical gears are considered to be a relative quieter gear than spur gears. It is estimated that a helical gear set with axial contact ratio of 2 is about 19 dB quieter than a spur gear set with the same contact ratio.
The term “whine” is often used to describe the tonal character of gear noise. This is a function of the dynamic forces that act on the gear mesh. The dynamic forces are related to rotational speed.
There are two main types of gear noise: the gear-specific noise and peripheral component noise. Both of these types can be caused by high-speed gears transmitting the power of an engine.
The gear-specific noise may be related to the number of teeth in contact. A low contact ratio can slow down the rotational speed of the driven gear. However, a high contact ratio will not reduce the transmission error. This is why it is important to prioritize your design intent before attempting any noise reduction measures.
The tonal character of gear noise can be determined by collecting and analyzing data over a period of time. This may include a series of tests at loads within the desired load range. This measurement can serve as a starting point for a gearbox’s root cause analysis.
The gear-specific noise has a number of mechanisms. These include the aforementioned transmission error signal and the gear-specific whine.helical gearbox

Applications

Various industries like plastics, printing, cement and other heavy industrial settings use helical gearboxes. Their advantages include low power consumption, quieter operation and high load application. However, there are some limitations. For example, heat generated by sliding contact is a hindrance to efficiency. It should also be noted that gear weight affects the performance of the gear.
There are two ways to mesh helical gears. The first method is to place the shafts oriented at a certain angle of helix, in a mesh. The second method is to place the shafts oriented in a different angle of helix. The difference in angle is referred to as the helix angle.
The helical gearbox is the most widely used gearbox. It is compact in size and works at a high efficiency. It is useful for driving conveyors, coolers and machines. It is also used in automation control systems.
Helical gears are often chosen over spur gears for non-parallel shafts. They are also used in gearboxes for automotive applications and in elevators. They also reduce vibrations.
The gears are made of special teeth that are angled to an axis. They are also cut at an angle. This allows for perpendicular meshing. They can be divided into two basic categories: crossed axis gears and single helical gears. Single helical gears can be right-handed or left-handed. Crossed axis gears are usually used to connect parallel shafts.
China Transmission Heavy Duty Industry Mining Crane Drive Speed Gear Reducer Helical Gearbox for Metal Working Mills     electric motor helical gearboxChina Transmission Heavy Duty Industry Mining Crane Drive Speed Gear Reducer Helical Gearbox for Metal Working Mills     electric motor helical gearbox
editor by CX 2023-04-04

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