double helical gearbox

Merchandise Description

Company  Profiles

     
-We are a leading gear motor maker
ZHangZhoug Xihu (West Lake) Dis.hai Reducer is a leading producer of gear motor and gearbox.
Since 1991, we have specialised in producing a wide variety of gear motor and equipment box which includes:
 

 

  • helical equipment motor
  • helical bevel equipment motor
  • parallel shaft helical equipment motor
  • helical worm equipment motor
  • hoist travel
  • weighty-duty helical gearbox
  • heavy-responsibility helical bevel gearbox
  • equipment motor for vehicle parking program
  • sprial bevel gearbox

Merchandise Description
 

P sequence equipment motor is composed with two-stage or three-phase gears. Enter shaft and output shaft is parallel.

Mounting place: footed mounting, flange mounting, shaft mounting and many others.

Specialized data:

output pace:    10 ~ 752 rpm

rated output torque:ten ~ 20000 Nm

motor energy:  0.twelve ~ 200 KW

Merchandise Present

Product Specification

 

Product functions
1. P series parallel shaft helical gear motor are the best remedy when set up area is restricted below the identical permitted torque.
2. Tiny vibration and reduced noise, with substantial transmission efficiency.
3. The several diverse measurements and designs ensure that the gearmotors can be utilised in a extensive variety of applications even beneath the most unfavorable problems,normally utilised in conveyor and components processing programs.
General Technical information
Housing content HT250 large-strength solid iron
Housing hardness HBS190-240
Pinion content 20CrMnTiH
Gear materials 20CrMnTiH
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~forty
Input/output shaft materials 40CrMnTiH
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~7 Quality
Lubricating oil GB L-CKC220
Heat treatment tempering, cementiting, quenching, and so forth.
Efficiency 94%~96% (depends on the transmission stage) 
Noise (MAX) 60~68dB
Temp. rise  (MAX) 40°C 
Temp. increase (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Brand of bearings China Top model C&U,LYC,TMB or other brand names requested, SKF…..
Brand of oil seal CTY— ZheJiang or other brands requested
P —- collection parallel shaft helical equipment motor
P-collection one levels
Model Output Shaft Dia. Centre Top Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kw) (Nm) (RPM)
P37 25k6 112h13 110/one hundred sixty .twelve~3 three.88~one hundred thirty 240 10~374
P47 30k6 128.1h13 one hundred thirty/200 .twelve~three nine.15~622 435 two.2~157
P57 35k6 136h13 180/250 .12~5.five 5.21~two hundred 605 6.5~276
P67 40k6 159.5h13 180/250 .eighteen~5.five four.fourteen~225 830 5.7~360
P77 50k6 200h13 230/300 .twenty five~eleven 4.28~280 1720 3.1~336
P87 60m6 246.7h13 250/350 .37~22 four.thirteen~1300 3060 one.1~356
P97 70m6 285h13 350/450 1.1~thirty four.52~253 4400 three.6~131
P107 90m6 332.4h13 350/450 one.1~45 six.29~253 8990 2.7~236
P127 110m6 382.6h13 450/550 4.~ninety 4.84~176 13800 four.2~316
P157 120m6 447h13 550/660 5.5~two hundred 12.5~207 25710 three.3~a hundred twenty five
 
P sequence double stages 
Model Output Shaft Dia. Centre Peak Output Flange Dia. Electrical power Ratio Permitted Torque Output Speed 
Sound (mm)  (mm) (mm) (kw) (Nm) (RPM)
P37D17 25k6 112h13 a hundred and ten/160 .12~.eighteen 129~322 190 4~10
P47D17 30k6 128.1h13 one hundred thirty/200 .twelve~.eighteen 178~622 400 two.2~7.4
P57D37 35k6 136h13 a hundred and eighty/250 .twelve~.37 134~967 615 1.4~ten
P67D37 40k6 159.5h13 a hundred and eighty/250 .12~.55 one hundred seventy five~1429 900 .9~eight
P77D37 50k6 200h13 230/300 .twelve~.75 280~2613 1690 .fifty one~4.nine
P87D57 60m6 246.7h13 250/350 .12~1.five 249~4954 3070 .28~5.seven
P97D57 70m6 285h13 350/450 .12~2.two 363~7348 4390 .19~3.9
P107D77 90m6 332.4h13 350/450 .12~4. 255~14767 9630 .09~5.six
P127D77 110m6 382.6h13 450/550 .12~5.five 376~22323 13500 .06-3.8
P127D87 110m6 382.6h13 450/550 five.5~11 166~418 13500 three.4~8.seven
P157D97 120m6 447h13 550/660 .fifty five~eleven 197~6295 19710 .22~7.3
Remarks: please refer to our catalogue or inquire for revenue man when your technical needs is    particular.

Deal

Plastic bag + wood carton

Certificate

FAQ

Q: Can you print other hues?
Sure. Personalized coloration can be printed on the gear motor according to your requirements.
Q: Is that factory cost?
Of course. We guarantee you all prices are primarily based on factory.
Q:  What is the daily life span? what is the promise
The lifespan of equipment motor can get to 5-20 years dependent on distinct operating circumstances .The promise time is 1 12 months right after shipping.
Q: What paperwork are offered?
A entire selection files such as structural drawings, packing list, installation manual and relative certificates can be provided. Moreover, customs declaration is supplied. We give a single-quit support for you. 
Q: Is it able to tailored?
yes, we could re-design and style and produce the equipment motor as your demands if the amount is large.

US $500-1,500
/ Set
|
1 Set

(Min. Order)

###

Application: Motor, Machinery, Transmission Equipment/ Crane
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Shunting
Gear Shape: Bevel
Step: Three-Step

###

Customization:

###

Product features
1. P series parallel shaft helical gear motor are the perfect solution when installation space is limited under the same permitted torque.
2. Little vibration and low noise, with high transmission efficiency.
3. The many different sizes and designs ensure that the gearmotors can be used in a wide variety of applications even under the most unfavorable conditions,typically used in conveyor and materials processing applications.
General Technical data
Housing material HT250 high-strength cast iron
Housing hardness HBS190-240
Pinion material 20CrMnTiH
Gear material 20CrMnTiH
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input/output shaft material 40CrMnTiH
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~7 Grade
Lubricating oil GB L-CKC220
Heat treatment tempering, cementiting, quenching, 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 C&U,LYC,TMB or other brands requested, SKF…..
Brand of oil seal CTY— Taiwan or other brands requested
P —- series parallel shaft helical gear motor
P-series single stages
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kw) (Nm) (RPM)
P37 25k6 112h13 110/160 0.12~3 3.88~130 240 10~374
P47 30k6 128.1h13 130/200 0.12~3 9.15~622 435 2.2~157
P57 35k6 136h13 180/250 0.12~5.5 5.21~200 605 6.5~276
P67 40k6 159.5h13 180/250 0.18~5.5 4.14~225 830 5.7~360
P77 50k6 200h13 230/300 0.25~11 4.28~280 1720 3.1~336
P87 60m6 246.7h13 250/350 0.37~22 4.13~1300 3060 1.1~356
P97 70m6 285h13 350/450 1.1~30 4.52~253 4400 3.6~131
P107 90m6 332.4h13 350/450 1.1~45 6.29~253 8990 2.7~236
P127 110m6 382.6h13 450/550 4.0~90 4.84~176 13800 4.2~316
P157 120m6 447h13 550/660 5.5~200 12.5~207 20250 3.3~125
 
P series double stages 
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kw) (Nm) (RPM)
P37D17 25k6 112h13 110/160 0.12~0.18 129~322 190 4~10
P47D17 30k6 128.1h13 130/200 0.12~0.18 178~622 400 2.2~7.4
P57D37 35k6 136h13 180/250 0.12~0.37 134~967 615 1.4~10
P67D37 40k6 159.5h13 180/250 0.12~0.55 175~1429 900 0.9~8
P77D37 50k6 200h13 230/300 0.12~0.75 280~2613 1690 0.51~4.9
P87D57 60m6 246.7h13 250/350 0.12~1.5 249~4954 3070 0.28~5.7
P97D57 70m6 285h13 350/450 0.12~2.2 363~7348 4390 0.19~3.9
P107D77 90m6 332.4h13 350/450 0.12~4.0 255~14767 9630 0.09~5.6
P127D77 110m6 382.6h13 450/550 0.12~5.5 376~22323 13500 0.06-3.8
P127D87 110m6 382.6h13 450/550 5.5~11 166~418 13500 3.4~8.7
P157D97 120m6 447h13 550/660 0.55~11 197~6295 19710 0.22~7.3
Remarks: please refer to our catalogue or ask for sales man when your technical requirements is    special.
US $500-1,500
/ Set
|
1 Set

(Min. Order)

###

Application: Motor, Machinery, Transmission Equipment/ Crane
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Shunting
Gear Shape: Bevel
Step: Three-Step

###

Customization:

###

Product features
1. P series parallel shaft helical gear motor are the perfect solution when installation space is limited under the same permitted torque.
2. Little vibration and low noise, with high transmission efficiency.
3. The many different sizes and designs ensure that the gearmotors can be used in a wide variety of applications even under the most unfavorable conditions,typically used in conveyor and materials processing applications.
General Technical data
Housing material HT250 high-strength cast iron
Housing hardness HBS190-240
Pinion material 20CrMnTiH
Gear material 20CrMnTiH
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input/output shaft material 40CrMnTiH
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~7 Grade
Lubricating oil GB L-CKC220
Heat treatment tempering, cementiting, quenching, 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 C&U,LYC,TMB or other brands requested, SKF…..
Brand of oil seal CTY— Taiwan or other brands requested
P —- series parallel shaft helical gear motor
P-series single stages
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kw) (Nm) (RPM)
P37 25k6 112h13 110/160 0.12~3 3.88~130 240 10~374
P47 30k6 128.1h13 130/200 0.12~3 9.15~622 435 2.2~157
P57 35k6 136h13 180/250 0.12~5.5 5.21~200 605 6.5~276
P67 40k6 159.5h13 180/250 0.18~5.5 4.14~225 830 5.7~360
P77 50k6 200h13 230/300 0.25~11 4.28~280 1720 3.1~336
P87 60m6 246.7h13 250/350 0.37~22 4.13~1300 3060 1.1~356
P97 70m6 285h13 350/450 1.1~30 4.52~253 4400 3.6~131
P107 90m6 332.4h13 350/450 1.1~45 6.29~253 8990 2.7~236
P127 110m6 382.6h13 450/550 4.0~90 4.84~176 13800 4.2~316
P157 120m6 447h13 550/660 5.5~200 12.5~207 20250 3.3~125
 
P series double stages 
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kw) (Nm) (RPM)
P37D17 25k6 112h13 110/160 0.12~0.18 129~322 190 4~10
P47D17 30k6 128.1h13 130/200 0.12~0.18 178~622 400 2.2~7.4
P57D37 35k6 136h13 180/250 0.12~0.37 134~967 615 1.4~10
P67D37 40k6 159.5h13 180/250 0.12~0.55 175~1429 900 0.9~8
P77D37 50k6 200h13 230/300 0.12~0.75 280~2613 1690 0.51~4.9
P87D57 60m6 246.7h13 250/350 0.12~1.5 249~4954 3070 0.28~5.7
P97D57 70m6 285h13 350/450 0.12~2.2 363~7348 4390 0.19~3.9
P107D77 90m6 332.4h13 350/450 0.12~4.0 255~14767 9630 0.09~5.6
P127D77 110m6 382.6h13 450/550 0.12~5.5 376~22323 13500 0.06-3.8
P127D87 110m6 382.6h13 450/550 5.5~11 166~418 13500 3.4~8.7
P157D97 120m6 447h13 550/660 0.55~11 197~6295 19710 0.22~7.3
Remarks: please refer to our catalogue or ask for sales man when your technical requirements is    special.

How to Choose a Helical Gearbox

Choosing the best helical gearbox is dependent on the type of application you want to use the gear for. You will need to consider the contact ratios and the total of profile shifts required.helical gearbox

Spur gears are more efficient than helical gears

Compared to helical gears, spur gears have straight teeth that are parallel to the axis of the gear. Because they are more efficient, spur gears are often used in low speed applications. However, helical gears are better for low-noise and high-speed applications. Despite their advantages, spur gears are also used in some devices.
Spur gears are not as resilient as other gears. They are less efficient at transmitting power over long distances, and they generate too much noise at high speeds. They also impose a radial load on bearings. They also produce significant vibration that can limit the maximum speed of operation.
Helical gears are better at transferring loads. They are used in a number of applications, including car transmissions, elevators, and conveyors. Helical gears also generate large amounts of thrust. They are also quieter than spur gears.
Unlike spur gears, helical gears use bearings to support their thrust load. They also have more teeth, so they can handle more load than spur gears. They can also be used in non-parallel shafts.
Helical gears are generally used in high-speed mechanical systems. They also have less wear on individual teeth and are quieter running than spur gears.
Helical gears are a refinement of spur gears. They are also used in the printing industry, elevators, and gearboxes for automobiles. They are often used in conjunction with a worm gear to distribute load. They have a higher speed capacity, but they are not as efficient as spur gears. They are used in some high-speed mechanical systems because they generate less noise and vibration.
Spur gears are commonly used in low-speed applications, like rack and pinion setups. Their design makes them more efficient at transmitting power, but they are less resilient than helical gears.
Design space is limited based on a required center distance, target gear ratio, and sum of profile shifts
Using statistically derived parameters, the authors performed a multi-objective optimization of the profile shift of two external cylindrical gears. The main objective of this study was to maximize efficiency and minimize the amount of power lost in the optimized space.
To do this, the authors used a multi-objective optimization algorithm that included all aspects of the optimal profile shift. The algorithm evaluates objective function over a series of generations to determine the best solution.
The multi-objective optimization algorithm was based on a verified optimization algorithm. This algorithm combines analytical pressure loads estimation with an effective method for calculating the deformations of the gear case. Using the aforementioned formulae, the authors were able to identify a feasible solution. The numerical calculations also showed that the corresponding specific sliding coefficients were perfectly balanced.
To identify the most efficient method for determining the profile shift, the authors selected the most efficient method based on the objectives of efficiency and mass. The efficiency objective was considered to be the largest given the small size of the resulting optimization space. This objective is useful in reducing wear failures.
helical gearbox
The largest thermal treatment of a cylindrical gear is case hardening. The ISO/TR 4467:1982 standard provides a practical guide for gears. The largest radii of the pinion and wheel are rb1 and rb2. The ratio of tooth width to base circle diameter of the pinion is normally set to less than 1.
Sliding velocity increases as the distance from the pitch point increases in the line of action
Deflections of the involute profile of a helical gear occur due to the load on the teeth. However, the optimum pressure angle for the gear is not known.
The correct pressure angle for a helical gear cannot be calculated without a surface model. Assuming the pressure is uniform over the profile, a pressure angle of 20deg would be a good bet. However, this would require a mathematical model that can be derived from the Archard wear equation.
In general, the pressure angle will be influenced by the diameter, as well as the gear mesh geometry. It is important to know the actual angle of a helical gear since this will affect the curvature of the profile, the normal force, and the radial force.
The best way to measure the pressure angle is to consider the theoretical pitch diameter. If the pitch diameter is small, then the actual angle will be smaller. This will cause a gap between the flanks. However, it can also cause the gear to deform, leading to unexpected working behavior.
One interesting tangent is the pitch plane, an imaginary plane tangent to the pitch surfaces. The pitch plane is the plane perpendicular to the axial plane of the gear cross section. It is usually used as a reference point to calculate the transverse pressure angle.
The working pressure angle is the angle of the pressure line of the gear mesh. This angle is the same as the reference pressure angle, but the length of the contact line is reduced.
The best way to calculate the working pressure angle is to use the pressure line of the gear mesh. This will give a more accurate value. The actual angle of the pressure line is also related to the transmission ratio. This ratio is usually given as the nominal ratio of angular velocities. The actual velocities will fluctuate about this ratio.

Undercut of a helical gear tooth root

Having an undercut at the pinion root can affect the distribution of load along the line of contact of helical gears. This can result in higher than nominal loads on some teeth and amplitude modulated noise.
The tooth root is affected by a number of factors, including the shape of the tooth cutting tool. The cutting tool must be designed to avoid an undercut without reducing the number of teeth. This is achieved by a process called profile shifting.
Profile shift occurs when the cutting tool changes depth, thereby preventing an undercut. It is often used in the manufacturing process to achieve a greater overlap ratio. The higher the overlap ratio, the less variation there is between the contact lines. This reduces the dynamic tooth loads and reduces noise.
The profile shift is most often associated with the cutting tool tip. This is the point where the involute profile exits the gear, before the tip begins to taper. The involute profile can be defined for every transverse section of the gear face width. The boundary point is a point of tangency between the involute and root profiles.
The involute of a circle is a common way to define a gear-tooth profile. The involute is the path traced by the point on the line when rolling on a circle. It is a useful feature for cylindrical involute gears.
The helix angle is also important to the helical gear. It allows for greater contact capacity and increases the bending capacity of the gear. It must be included in specifications for helical teeth. The angle must be measurable and include the (+-) sign.
The bending strength of a tooth depends on the shape of the root. A large undercut reduces the strength of the tooth.helical gearbox

Contact ratios

Whether a helical gearbox is dynamic or steady-state, the contact ratio is a key factor. The total contact ratio defines the average number of teeth in contact in the plane of action. It is calculated by multiplying the transverse contact ratio with the overlap ratio. The overlap ratio is always non-zero.
The total contact ratio must be 1.0 or greater for a constant speed rotation on the driven side. Gears with a low total contact ratio are known to slow down rotation of the driven gear. The total contact ratio is influenced by the length of the contact line. A high contact ratio is a good choice for dynamic loading.
A low contact ratio results in a greater amount of profile shift and a larger amount of noise. If the contact ratio is too high, it may cause excessive EAP sliding velocity and cause scuffing. In addition, an uneven load share results in amplitude modulated vibrations.
A helical gear is a pair of slim spur gears. The gears are layered in a plane that runs parallel to the face width of the gear teeth. Each gear tooth makes contact with the flank of the next gear tooth. The helical gear tooth flank is a 3-dimensional surface that is a tangent to the base circles of the gears.
The tooth shape of the helical gear tooth is also a key factor in the contact ratio. The tooth form is designed to be in relation to the work piece, tooling, dedendum coefficients, tooth forces, and tooth bending stiffness. A gear tooth form must also relate to tooth surface kinematics and microgeometry modifications.
The active profile is a region of the involute profile between the start and end points. A tooth profile that satisfies the basic law of gear-tooth action is often called a conjugate profile.
 double helical gearbox double helical gearbox
editor by czh 2023-03-23

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