Product Description
Weighty Obligation Flender Helical Parallel Shaft gearbox for conveyor belt in China
Characteristic:
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Realized parallel shaft,right-angle shaft modes and horizontal,vertical mounting modes. Using considerably less ingredient areas.
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Applying superior grinding approach which improved the stability and the effectiveness of transmit power with reduced sound.
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Enter manner: motor related flange, shaft enter
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Output manner:strong shaft with flat crucial,hollow shaft with flat crucial,hollow shaft with shrink disk,hollow shaft with spline link, strong shaft with spline link, solid shaft with flange.
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Mounting method:vertical, horizontal, swing base-mounted, torque-arm-mounted.
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Ratio assortment:1.23~450. It can be greater when combining with K&R sequence reducer.
H & B SERIES
Transmission phase B2 (ratio from 5~eighteen) B3 (ratio from 12.5~ninety) B4 (ratio from eighty~four hundred) Transmission stage H1 (ratio from 1.25~5.6) H2 (ratio from 6.3~28) H3 (ratio from 22.4~112) H4 (ratio from 100~450) Housing content HT250 high-toughness forged iron Housing hardness HBS190-240 Equipment material 20CrMnTi alloy steel Surface area hardness of gears HRC58°~62 ° Equipment core hardness HRC33~40 Input / Output shaft material 42CrMo alloy metal Input / Output shaft hardness HRC25~30 Machining precision of gears accurate grinding, 6~5 Grade Lubricating oil GB L-CKC220-460, Shell Omala220-460 Heat treatment method tempering, cementiting, quenching, etc. Efficiency ninety two%~98% (relies upon on the transmission stage) Sounds (MAX) 60~68dB Temp. rise (MAX) 40ºC Temp. increase (Oil)(MAX) 50ºC Vibration ≤20µm Backlash ≤20Arcmin Brand of bearings China Prime brand HRB,LYC,ZWZ or other brands requested, NSK….. Brand name of oil seal NAK— ZheJiang or other brand names requested
Specialized parameters
| Ratio | 3.forty one-289.74 |
| Enter electricity | .12-160KW |
| Output torque | sixty one-23200N.m |
| Output speed | five-415rpm |
| Mounting type | Foot mounted, flange mounted, foot and flange mounted, single-stage foot mounted, one phase flange mounted, Flange-mounted with extended bearing hub |
| Enter Approach | Flange input(AM), shaft input(Advert), inline AC motor enter, or AQA servo motor |
| Brake Release | HF-handbook release(lock in the brake release placement), HR-manual launch(autom-atic braking position) |
| Thermistor | TF(Thermistor safety PTC thermisto) TH(Thermistor protection Bimetal swotch) |
| Mounting Placement | AB |
| Kind | H |
| Output shaft dis. | 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 90mm, 110mm, 120mm |
| Housing material | HT200 high-toughness forged iron from R37,forty seven,57,sixty seven,seventy seven,87 |
| Housing material | HT250 Large toughness solid iron from R97 107,137,147,157,167,187 |
| Warmth treatment technology | carbonitriding and hardening treatment |
| Efficiency | ninety two%-ninety seven% |
| Lubricant | VG220 |
| Defense Class | IP55, F class |
Good quality Control
Quality:Insist on Enhancement,Try for CZPT With the development of equipment producing indurstry,buyer in no way satirsfy with the existing good quality of our merchandise,on the contrary,wcreate the benefit of quality.
Quality coverage:to boost the general degree in the field of power transmission
Good quality Look at:Constant Improvement , pursuit of excellence
Good quality Philosophy:Top quality creates price
3. Incoming Good quality Handle
To set up the AQL satisfactory amount of incoming substance control, to give the material for the total inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection accountable for monitoring poor, to monitor the supplier to consider corrective actions to avert recurrence.
4. Method Quality Handle
The production site of the very first examination, inspection and closing inspection, sampling in accordance to the demands of some assignments, judging the quality adjust development discovered irregular phenomenon of production, and supervise the production department to improve, get rid of the irregular phenomenon or point out
five. FQC(Last QC)
Right after the producing department will complete the product, stand in the customer’s position on the finished product top quality verification, in buy to ensure the good quality of buyer expectations and needs.
6. OQC(Outgoing QC)
After the item sample inspection to decide the certified, enabling storage, but when the finished merchandise from the warehouse before the formal supply of the items, there is a verify, this is referred to as the shipment inspection.Examine material:In the warehouse storage and transfer position to confirm, whilst confirming the delivery of the solution is a item inspection to figure out the competent
Certifications
packaging
FAQ
one. How to select a gearbox which fulfills our need?
You can refer to our catalogue to choose the gearbox or we can support to pick when you provide
the complex details of necessary output torque, output speed and motor parameter and many others.
two. What data shall we give just before placing a buy buy?
a) Kind of the gearbox, ratio, enter and output type, input flange, mounting position, and motor informationetc.
b) Housing coloration.
c) Acquire amount.
d) Other special needs.
three. What industries are your gearboxes becoming utilised?
Our gearboxes are extensively employed in the areas of textile, foodstuff processing, beverage, chemical business,
escalator,computerized storage tools, metallurgy, tabacco, environmental defense, logistics and and so on.
four. Doyou sell motors?
We have stable motor suppliers who have been coperating with us for a lengthy-time. They can provide motors
with large quality.
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US $59-2,999 / Piece | |
1 Piece (Min. Order) |
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
###
| Customization: |
Available
|
|---|
###
| Transmission stage | B2 (ratio from 5~18) |
| B3 (ratio from 12.5~90) | |
| B4 (ratio from 80~400) |
###
| Transmission stage | H1 (ratio from 1.25~5.6) |
| H2 (ratio from 6.3~28) | |
| H3 (ratio from 22.4~112) | |
| H4 (ratio from 100~450) | |
| Housing material | HT250 high-strength cast iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | tempering, cementiting, quenching, etc. |
| Efficiency | 92%~98% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40ºC |
| Temp. rise (Oil)(MAX) | 50ºC |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China Top brand HRB,LYC,ZWZ or other brands requested, NSK….. |
| Brand of oil seal | NAK— Taiwan or other brands requested |
###
| Ratio | 3.41-289.74 |
| Input power | 0.12-160KW |
| Output torque | 61-23200N.m |
| Output speed | 5-415rpm |
| Mounting type | Foot mounted, flange mounted, foot and flange mounted, single-stage foot mounted, single stage flange mounted, Flange-mounted with extended bearing hub |
| Input Method | Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor |
| Brake Release | HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position) |
| Thermistor | TF(Thermistor protection PTC thermisto) TH(Thermistor protection Bimetal swotch) |
| Mounting Position | AB |
| Type | H |
| Output shaft dis. | 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 90mm, 110mm, 120mm |
| Housing material | HT200 high-strength cast iron from R37,47,57,67,77,87 |
| Housing material | HT250 High strength cast iron from R97 107,137,147,157,167,187 |
| Heat treatment technology | carbonitriding and hardening treatment |
| Efficiency | 92%-97% |
| Lubricant | VG220 |
| Protection Class | IP55, F class |
|
US $59-2,999 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
###
| Customization: |
Available
|
|---|
###
| Transmission stage | B2 (ratio from 5~18) |
| B3 (ratio from 12.5~90) | |
| B4 (ratio from 80~400) |
###
| Transmission stage | H1 (ratio from 1.25~5.6) |
| H2 (ratio from 6.3~28) | |
| H3 (ratio from 22.4~112) | |
| H4 (ratio from 100~450) | |
| Housing material | HT250 high-strength cast iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | tempering, cementiting, quenching, etc. |
| Efficiency | 92%~98% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40ºC |
| Temp. rise (Oil)(MAX) | 50ºC |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China Top brand HRB,LYC,ZWZ or other brands requested, NSK….. |
| Brand of oil seal | NAK— Taiwan or other brands requested |
###
| Ratio | 3.41-289.74 |
| Input power | 0.12-160KW |
| Output torque | 61-23200N.m |
| Output speed | 5-415rpm |
| Mounting type | Foot mounted, flange mounted, foot and flange mounted, single-stage foot mounted, single stage flange mounted, Flange-mounted with extended bearing hub |
| Input Method | Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor |
| Brake Release | HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position) |
| Thermistor | TF(Thermistor protection PTC thermisto) TH(Thermistor protection Bimetal swotch) |
| Mounting Position | AB |
| Type | H |
| Output shaft dis. | 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 90mm, 110mm, 120mm |
| Housing material | HT200 high-strength cast iron from R37,47,57,67,77,87 |
| Housing material | HT250 High strength cast iron from R97 107,137,147,157,167,187 |
| Heat treatment technology | carbonitriding and hardening treatment |
| Efficiency | 92%-97% |
| Lubricant | VG220 |
| Protection Class | IP55, F class |
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.
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.
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.
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.
editor by czh 2022-12-21