China F48 Series Helical Gear Box crossed helical gearbox

Solution Description

 

Product Description

Item Description

-F Series Parallel Shaft Helical gearbox

 

Item Characteristics

1. Modular design, compact structure. Added-trim parallel shaft helical gearmotors are the ideal resolution when area is limited     
two. F collection parallel shaft helical gearmotors are usually utilized in conveyors and components processing applications      
three. Multi-stage (2 or 3 levels) equipment units for lower output speed     
4. Hollow output shaft with keyed link, shrink disk, splined hollow shaft, or torque arm
five. Can be merged with other sorts of gearboxes (Such as R Sequence, UDL Sequence)    
6. Optional mounting alternatives (foot-mounted, flange-mounted, shaft-mounted)    

 

 

 

Product Parameters

 

Types Output Shaft Dia. Enter Shaft Dia. Power(kW) Ratio Max. Torque(Nm)
Sound Shaft Hollow Shaft
F38 25mm 30mm 16mm .eighteen~3. 3.eighty one~128.fifty one two hundred
F48 30mm 35mm 16mm .eighteen~3. five.06~189.39 four hundred
F58 35mm 40mm 19mm .eighteen~5.five 5.eighteen~199.70 600
F68 40mm 40mm 19mm .18~5.5 four.21~228.ninety nine 820
F78 50mm 50mm 24mm .37~eleven four.thirty~281.71 1500
F88 60mm 60mm 28mm .seventy five~22 four.20~271.92 3000
F98 70mm 70mm 38mm one.1~thirty 4.sixty eight~276.64 4300
F108 90mm 90mm 42mm two.2~45 6.twenty~255.25 7840
F128 110mm 100mm 55mm seven.5~ninety four.63~172.33 12000
F158 120mm 120mm 70mm eleven~two hundred twelve.07~270.eighteen 18000

 

Materials Data Sheet

Housing materials

Grey Solid iron

Housing hardness

HBS163~255

Equipment substance

20CrMnTi alloy steel

Surface hardness of gears

HRC58°~62 °

Equipment core hardness

HRC33~48

Enter / Output shaft content

40Cr alloy metal

Input / Output shaft hardness

HRC32~36

Machining precision of gears

exact grinding, 6~5 Quality

Lubricating oil

GB L-CKC220-460, Shell Omala220-460

Warmth treatment

tempering, cementiting, quenching, normalizing, and so forth.

Effectiveness

94%~ninety six% (relies upon on the transmission stage)

Sound (MAX)

60~68dB

Temp. increase (MAX)

40°C

Temp. rise (Oil)(MAX)

50°C

Vibration

≤20µm

Backlash

≤20Arcmin

Brand of bearings

China best brand bearing, HRB/LYC/ZWZ/C&U. Or other brand names asked for, SKF, FAG, INA, NSK.

Brand of oil seal

NAK — ZheJiang or other manufacturers requested

 

Comprehensive Photographs

Our process of production

 

 

Our product line

 

Company Profile

Business Profile

Bode was launched in 2007, which is located in HangZhou town, ZHangZhoug province. As 1 expert maker and exporter, we have far more than seventeen years’ knowledge in R & D of worm reducer, equipment reducer, gearbox , AC motor and relative spare components. We have factory with innovative generation and check tools, the powerful advancement of crew and producing capacity supply our consumers with large top quality items. Our goods extensively served to different industries of Metallurgy, Chemical substances, lifting, mining, Petroleum, textile, drugs, wooden etc. Main marketplaces: China, Africa, Australia, Vietnam, Turkey, Japan, Korea, Philippines… Welcome to ask us any queries, great offer you often for you for long phrase organization.

FAQ

Q1: Are you trading firm or company?
A: We are manufacturing unit.

Q2: What sorts of gearbox can you produce for us?
A: Primary products of our business: R, S, K, F sequence helical-tooth reducer, RV sequence worm gear reducer,H Series Parallel Shaft Helical Reduction Gear Box

Q3: Can you make as per personalized drawing?
A: Sure, we offer you custom-made support for consumers.

Q4: Can we get 1 computer of each item for good quality screening?
A: Yes, we are happy to take demo purchase for high quality testing.

Q5: What data shall we give before putting a obtain get?
A:  a) Kind of the gearbox, ratio, enter and output variety, input flange, mounting placement, and motor informationetc.
     b) Housing coloration.
     c) Purchase quantity.
     d) Other specific requirements.

Q6: How extended is your delivery time?
A: Generally it is 5-10 days if the products are in inventory. or it is fifteen-20 days if the products are not in inventory.

Q7: What is your terms of payment ?
A: thirty% Progress payment by T/T following signing the contract.70% just before shipping and delivery

Pricey clients,  If you are intrigued in our item, welcome to get in touch with with us.
Our crew will do our greatest to meet your need 🙂 

 

US $50
/ Piece
|
1 Piece

(Min. Order)

###

Application: Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step

###

Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Models Output Shaft Dia. Input Shaft Dia. Power(kW) Ratio Max. Torque(Nm)
Solid Shaft Hollow Shaft
F38 25mm 30mm 16mm 0.18~3.0 3.81~128.51 200
F48 30mm 35mm 16mm 0.18~3.0 5.06~189.39 400
F58 35mm 40mm 19mm 0.18~5.5 5.18~199.70 600
F68 40mm 40mm 19mm 0.18~5.5 4.21~228.99 820
F78 50mm 50mm 24mm 0.37~11 4.30~281.71 1500
F88 60mm 60mm 28mm 0.75~22 4.20~271.92 3000
F98 70mm 70mm 38mm 1.1~30 4.68~276.64 4300
F108 90mm 90mm 42mm 2.2~45 6.20~255.25 7840
F128 110mm 100mm 55mm 7.5~90 4.63~172.33 12000
F158 120mm 120mm 70mm 11~200 12.07~270.18 18000

###

Housing material
Grey Cast iron
Housing hardness
HBS163~255
Gear material
20CrMnTi alloy steel
Surface hardness of gears
HRC58°~62 °
Gear core hardness
HRC33~48
Input / Output shaft material
40Cr alloy steel
Input / Output shaft hardness
HRC32~36
Machining precision of gears
accurate grinding, 6~5 Grade
Lubricating oil
GB L-CKC220-460, Shell Omala220-460
Heat treatment
tempering, cementiting, quenching, normalizing, etc.
Efficiency
94%~96% (depends on the transmission stage)
Noise (MAX)
60~68dB
Temp. rise (MAX)
40°C
Temp. rise (Oil)(MAX)
50°C
Vibration
≤20µm
Backlash
≤20Arcmin
Brand of bearings
China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, SKF, FAG, INA, NSK.
Brand of oil seal
NAK — Taiwan or other brands requested
US $50
/ Piece
|
1 Piece

(Min. Order)

###

Application: Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step

###

Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Models Output Shaft Dia. Input Shaft Dia. Power(kW) Ratio Max. Torque(Nm)
Solid Shaft Hollow Shaft
F38 25mm 30mm 16mm 0.18~3.0 3.81~128.51 200
F48 30mm 35mm 16mm 0.18~3.0 5.06~189.39 400
F58 35mm 40mm 19mm 0.18~5.5 5.18~199.70 600
F68 40mm 40mm 19mm 0.18~5.5 4.21~228.99 820
F78 50mm 50mm 24mm 0.37~11 4.30~281.71 1500
F88 60mm 60mm 28mm 0.75~22 4.20~271.92 3000
F98 70mm 70mm 38mm 1.1~30 4.68~276.64 4300
F108 90mm 90mm 42mm 2.2~45 6.20~255.25 7840
F128 110mm 100mm 55mm 7.5~90 4.63~172.33 12000
F158 120mm 120mm 70mm 11~200 12.07~270.18 18000

###

Housing material
Grey Cast iron
Housing hardness
HBS163~255
Gear material
20CrMnTi alloy steel
Surface hardness of gears
HRC58°~62 °
Gear core hardness
HRC33~48
Input / Output shaft material
40Cr alloy steel
Input / Output shaft hardness
HRC32~36
Machining precision of gears
accurate grinding, 6~5 Grade
Lubricating oil
GB L-CKC220-460, Shell Omala220-460
Heat treatment
tempering, cementiting, quenching, normalizing, etc.
Efficiency
94%~96% (depends on the transmission stage)
Noise (MAX)
60~68dB
Temp. rise (MAX)
40°C
Temp. rise (Oil)(MAX)
50°C
Vibration
≤20µm
Backlash
≤20Arcmin
Brand of bearings
China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, SKF, FAG, INA, NSK.
Brand of oil seal
NAK — Taiwan or other brands requested

Helical Gearbox

Using a helical gearbox can greatly improve the accuracy of a machine and reduce the effects of vibration and shaft axis impact. A gearbox is a circular machine part that has teeth that mesh with other teeth. The teeth are cut or inserted and are designed to transmit speed and torque.helical gearbox

Sliding

Among the many types of gearboxes, the helical gearbox is the most commonly used gearbox. This is because the helical gearbox has a sliding contact. The contact between two gear teeth begins at the beginning of one tooth and progresses to line contact as the gear rotates.
Helical gears are cylindrical gears with teeth cut at an angle to the axis. This angle enables helical gears to capture the velocity reversal at the pitch line due to the sliding friction. This leads to a much smoother motion and less wear. Moreover, the helical gearbox is more durable and quieter than other gearboxes.
Helical gears are divided into two categories. The first group comprises of crossed-axis helical gears, commonly used in automobile engine distributor/oil pump shafts. The second group comprises of zero-helix-angle gears, which do not produce axial forces. However, they do create heat, which causes loss of efficiency.
The helical gearbox configuration is often confounded, which results in higher working costs. In addition, the helical gearbox configuration does not have the same torque/$ ratio as zero-helix angle planetary gears.
When designing gears, it is important to consider the effects of gear sliding. Sliding can lead to friction, which can cause loss of power transmission. It also leads to uneven load distribution, which decreases the loadability of the helical planetary gearbox.
In addition, the mesh stiffness of helical gears is commonly ignored by researchers. An analytical model for the mesh stiffness of helical gears has been proposed.

Axial thrust forces

Several options are available for axial thrust forces in helical gearboxes. The most obvious is to use a double helical gear to offset the force component. Another option is to use a thrust bearing with a lower load carrying capacity. This becomes a sacrificial component.
In order to transmit a force, it must be distributed along the contact line. This force is the sum of tangential, radial and axial force components. All these components must be transferred from the source to the output. This is a complex process that involves the use of gears.
The axial force component must be transferred through the gears. The resultant force is then divided into orthogonal components and divided into the thrust directions. The radial force component is from the contact point to the driven gear center.
The axial force component is also determined by the size of the gear’s pitch diameter. A larger pitch diameter results in a greater bearing moment. Similarly, a larger gear ratio will produce a higher torque transmission.
It should be noted that the axial force component is only a small part of the total force. The normal force is distributed along the contact line.
The double helical gear is also not a perfect duplicate of the herringbone gear. It has two equal halves. It is used interchangeably with the herringbone gear. It also has the same helix angle.helical gearbox

Reduced impact on the shaft axis

Increasing the helix angle of a gear pair will reduce resonance effects on the shaft axis of a helical gearbox. However, this will not reduce the overall vibration in the gearbox. In fact, it will increase the vibration. This can lead to serious fatigue faults in the drive train.
This is because the helix angle has an effect on the contact line between two teeth. As the helix angle increases, the length of the contact line decreases. In addition, it has an effect on the normal force and curvature radii of the teeth. The pressure angle also affects the curvature radii.
Helical gears have several advantages over spur gears. These advantages include: lower vibration, NVH (noise, vibration and harshness) characteristics, and smooth operation under heavy loads. They also have better torque capability. However, they produce higher friction. They also require unique approaches to control their thrust forces.
The first step in reducing resonance effects is to regulate the meshing frequency of the helical gear stage. This can be done by varying the shift factors in the gear. If the shift factors are too large, then the gear will experience resonance effects. The helix angle is also affected by the gear’s shift factors. It is therefore important to control the gear’s geometry in order to reduce the resonance effects.
Next, the effects of the web structure and rim thickness on the root stress of the gear are examined. These are measured by strain gage. The results indicate that the maximum root stress is obtained when the worst meshing position is reached.

Quieter operation

Compared to spur gears, helical gears are much quieter in operation. This is due to their larger teeth. Aside from this, they have a higher load-carrying capacity. They also run smoother and have a higher speed capability. Helical gears are also a good substitute for spur gears.
The most significant parameter relating to noise reduction is the gear contact ratio. It ranges from below 1 to more than 10 and is determined by the number of teeth intersecting a parallel shaft line at the pith circle. It is also a good indicator of the level of noise reduction that helical gears provide.
In addition, helical gears have a lower impulse flexure than spur gears. This is because the contact point slides along the helical surface of each tooth. This also adds internal damping to the gear system.
While helical gears are less noisy than spur gears, they do have a high level of wear and tear. This can affect the performance of the gear. However, it is possible to improve the smoothness of the tooth surface by grinding. In addition, running the gears in oil can also help improve the smoothness of the tooth surface.
There are many industries that use helical gears. For example, the automotive industry uses them in their transmissions. They also are used in the agricultural industry. They are often used in heavy trucks.
Helical gears are also known to generate less heat and are quieter than other gears. They can also deliver parallel power transfers between parallel or non-parallel shafts.

Improved accuracy

Increasing the accuracy of a helical gearbox is the key to its operation and reliability. The accuracy of the gearbox is dependent on several features. Among the most important are the profile and lead. Moreover, the power requirements of a gear drive should be taken into consideration.
The profile is the most sensitive feature of a helical gear. If the profile is not symmetric, the gear will run with a noisy spur gear. In addition, the profile is also the most sensitive to lead.
A helical gearbox plays a key role in the power transmission of industrial applications. However, the heavy duty operating conditions make it susceptible to a variety of faults.
A helical gearbox’s performance depends on the accuracy of the individual gears. This is accomplished by minimizing the backlash. A common way to reduce backlash is to approach all target positions from a common direction. This approach also reduces transmission noise.
The accuracy of a helical gearbox can be improved by using a flexible electronic gearbox. This can reduce the degree of twist. Moreover, it can increase the accuracy of gear machining.
A helical gearbox with an electronic gearbox can increase the accuracy of twist compensation. It can also improve the linkage between B-axis, C-axis, and Z-axis. Moreover, the electronic gearbox will ensure the linkage relationship between Y-axis, Z-axis, and C-axis.
The accuracy of a helical Gearbox can be improved by calculating the position error of the gear train. Pitch deviation and helix angle deviation are two types of position error.helical gearbox

Reduced vibration

Using helical gearboxes can reduce vibration and noise. These gears are used in a variety of applications, including automotive transmissions. Moreover, these gears are quiet enough to operate in noise-sensitive applications.
Using CZPT software, three different gearbox housing designs are compared. The external dimensions and mass of each design are kept constant, but different quantities of longitudinal and transverse stiffeners are employed. The resulting models are then compared to experimental results. In addition, the free vibration response of these models is analyzed. The results are shown in Fig. 5.
In terms of noise reduction, the cellular model produces the lowest sound pressure level. However, the cross model produces the higher sound level. The cellular model also produces better peak to peak results.
The input-stage gear pair is the power source of the output-stage gear pair. The output-stage gear pair’s vibration is also studied. This includes a phase diagram and a frequency-domain diagram. The influence of the driving torque and the pinion’s velocity on the vibration is studied in a numerical manner. The time evolution of the normal force and the lubricant stiffness is also studied.
The input-stage pinion modification reduces the input-stage gear pair’s vibration. This reduction is achieved by adding dual bearing support to the input shaft.
China F48 Series Helical Gear Box     crossed helical gearboxChina F48 Series Helical Gear Box     crossed helical gearbox
editor by czh 2023-01-02

Double Helical Gear

As one of the leading double helical gear manufacturers, suppliers, and exporters of mechanical products, We offer double helical gear and many other products.

Please get in touch with us for details.

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