China Helical Transmission Parts Eurodrive Gearboxes difference between helical and worm gearbox

Item Description

Starshine Generate NCJ Sequence Helical Geared Motor

Characteristics:

  1. Higher performance and vitality conserving: minimal strength, reduced noise, little vibration, reduced temperature increase, broad output pace, and high effectiveness: 92%-96%.
  2. With wide variable assortment of  voltage and frequency motor from 20HZ to 60HZ, and voltage from 320V to 420V.
  3. Modular layout with strong interchangeability.
  4. Iron or aluminum casting home, good rigidity, substantial power and exceptional heat-decline.
  5. Sophisticated design and style: gear pair processed by carburizing and quenching warmth therapy, and exclusive lower sound equipment tooth style to guarantee the services lifestyle.
  6. Free of charge routine maintenance: special lubrication to ensure standard working for twenty,000 hours without oil alternative
  7.  Easy replacement: can replace cycloid gearbox and improve item

Technical parameters

Sort Previous Type Output Torque Output Shaft Dia.
SNR02 NCJ02 130N.m  φ22
SNR03 NCJ03 250N.m  φ28
SNR04 NCJ04 500N.m  φ32
SNR05 NCJ05 750N.m  φ40
SNRW03Y NCJT03Y2 250N.m  φ35
SNRL04Y NCJF04Y2 450N.m  φ35

About CZPT Drive 

ZheJiang CZPT Co.,Ltd(Starshine) have a powerful complex force with more than 350 workers at existing, which includes in excess of 30 engineering specialists, thirty quality inspectors, masking an region of 80000 sq. meters and varieties of innovative processing equipment and testing equipments. We have a good basis for the sector application improvement and provider of substantial-conclude pace reducers & variators possessing to the provincial engineering technology study heart,the lab of gear speed reducers, and the base of present day R&D.

Our products are widely utilised in ceramic industry, glass industry, woodworking machinery , substantial voltage change, meals & beverage, packaging & printing, Storage & logistics, hoisting & transportation facilities…etc , and CZPT technically offer the specialist product & service for the medium and large-end customers, and our gearboxes are very best-offering in domestic, and even in overseas , such as in Europe, North The us, South The usa, Center East, South Asia, Southeast Asia, Africa…etc.

 In the future , CZPT will keep the creed of “serving consumer, diligence & simplicity, self-criticism, innovation, honesty, teamwork”, and the notion of “top quality generates benefit” to focus on the customers’ needs and give them the aggressive transmission resolution and develop value for them constantly, and make a substantial-finish products production market and generate a favored model of replacing import merchandise and upgrading constantly for the finish end users.

Team 

High quality Control 
High quality:Insist on Advancement,Strive for CZPT With the development of tools producing indurstry,client never satirsfy with the present high quality of our products,on the opposite,wcreate the price of quality.
Top quality coverage:to increase the general level in the area of electrical power transmission  
Top quality Look at:Ongoing Advancement , pursuit of excellence
Top quality Philosophy:High quality generates value

3. Incoming Good quality Control
To establish the AQL acceptable stage of incoming material manage, to give the content for the whole inspection, sampling, immunity. On the acceptance of experienced products to warehousing, substandard goods to get return, check, rework, rework inspection liable for tracking bad, to check the provider to take corrective actions to avoid recurrence.

four. Approach Good quality Management
The production site of the 1st evaluation, inspection and final inspection, sampling in accordance to the demands of some tasks, judging the quality modify craze found irregular phenomenon of production, and supervise the production department to improve, remove the irregular phenomenon or point out

5. FQC(Final QC)
Right after the producing office will complete the solution, stand in the customer’s place on the completed item good quality verification, in order to guarantee the quality of customer expectations and wants.

6. OQC(Outgoing QC)
Soon after the solution sample inspection to figure out the experienced, allowing storage, but when the concluded merchandise from the warehouse prior to the formal shipping of the products, there is a check out, this is known as the cargo inspection.Examine content:In the warehouse storage and transfer position to verify, even though confirming the shipping of the item is a item inspection to figure out the competent goods.

Packing

Delivery 

 

To Be Negotiated 1 Piece
(Min. Order)

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Application: Motor, Machinery, Agricultural Machinery, Dumbwaiter, Sugar Mills, and Kinds of Equipments
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Lower Rotation Speed
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step

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Customization:

###

Type Old Type Output Torque Output Shaft Dia.
SNR02 NCJ02 130N.m  φ22
SNR03 NCJ03 250N.m  φ28
SNR04 NCJ04 500N.m  φ32
SNR05 NCJ05 750N.m  φ40
SNRW03Y NCJT03Y2 250N.m  φ35
SNRL04Y NCJF04Y2 450N.m  φ35
To Be Negotiated 1 Piece
(Min. Order)

###

Application: Motor, Machinery, Agricultural Machinery, Dumbwaiter, Sugar Mills, and Kinds of Equipments
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Lower Rotation Speed
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step

###

Customization:

###

Type Old Type Output Torque Output Shaft Dia.
SNR02 NCJ02 130N.m  φ22
SNR03 NCJ03 250N.m  φ28
SNR04 NCJ04 500N.m  φ32
SNR05 NCJ05 750N.m  φ40
SNRW03Y NCJT03Y2 250N.m  φ35
SNRL04Y NCJF04Y2 450N.m  φ35

NVH Characteristics of Helical Gearbox

Typically, a helical gearbox is used in the transmission of torque, speed, or both. Its primary function is to rotate a circular machine part while simultaneously meshing with other toothed parts. It operates on the same principle as a lever.helical gearbox

Typical applications

Typical applications of helical gearboxes include conveyors, blowers, and elevators. They are also used in the construction of plastics and rubber. Their basic benefits include reduced vibration, lower noise levels, and high load carrying capacity. They are also known to be more durable and quiet than spur gears.
There are several factors that should be taken into consideration when choosing the right gear set for a particular application. These include power requirements, torque requirements, and the environment in which it will operate. Also, bearings and lubricants will need to be considered.
Helical gears are used for heavy load applications, as they provide a high load-carrying capacity. They also are less expensive than spur gears. However, their efficiency is lower than spur gears. This is due to the fact that helical gears have larger teeth. They also have a lower dynamic load than spur gears. This reduces wear and tear on the gears.
Helical gears are also used in high-speed applications. They can also be used with non-parallel shafts. They are typically chosen over spur gears for non-parallel applications. However, helical gears are prone to misalignment due to axial thrust. This can be corrected by adjusting the bearing position.
Helical gears can also be used as power transmitting gears. They are commonly used in transmissions in the automotive industry. They are also used in a wide range of other industrial applications. These include blowers, feeders, coolers, and conveyors. They can also be used in the food and oil industries.
The most common types of helical gearboxes are single and double helical gearboxes. Single helical gears have one helical section that is parallel to the axis. Those with a circular arc curved tooth are also available.

NVH characteristics

NVH characteristics of helical gearbox are a major consideration in the development of new driveline products. NVH can be quantified using wavelet analysis, order analysis and statistical energy analysis. These techniques are typically used in the frequency domain, but can also be used in the real time domain.
The most basic NVH method uses a modal analysis to quantify the transmission noise. Simplified models use sinusoidal stiffness variations, but can also be used to study special effects.
One of the most important aspects of NVH is the integrity of the signal chain. The signal chain is affected by the gear meshing impact and the main transmission housing excitation. The first step in quantifying NVH is to establish a signal chain. This can be done by comparing the signals that are recorded on an analog to digital converter or hard disk. Then, using fast Fourier transforms, signals are converted from the time domain into the frequency domain.
For NVH analysis, it is important to obtain a representative prototype of the production vehicle. This is necessary early in the design phase, as changes to the final product often require substantial design modifications.
For helical gearboxes, the main benefit of reverse module configuration is that the radial type gearbox is more economical to produce. The radial type gearbox uses the same tooth-cutting tools as a spur gear, but can be produced more economically.
The basic characteristics of helical gears are that they have more surface contact and are more powerful in their carrying capacity. Because of this, the helical gearbox is typically used for high-load applications. However, helical gearboxes tend to produce lower efficiencies than spur types.
Thermal deformation of bearings can also change NVH characteristics of a helical gear transmission system. In this study, the effects of bearing temperature rise on the nonlinear dynamic characteristics of a helical gear system are investigated.helical gearbox

Helix

Compared to conventional gears, helical gears have more surface contact and produce less noise. These gears are a great choice for home and light industrial applications, especially where high-efficiency is required.
Helical gears produce axial thrust force through a special lubricant. They are used in different industries, such as automotive, oil, food, plastic, and textile. They are also used in blowers, feeders, and geared motors.
In helical gears, there is a special tooth at an angle to the axis of rotation. This tooth retains contact while the gear rotates into full engagement. Typically, the angle between the helix and the axis of rotation is 15 to 30 degrees. This angle is important for determining the number of teeth.
Compared to a straight cut gear, a helical gear has a higher power to weight ratio. This means that the helical gear can accommodate a higher load.
Helical gears are typically paired, with each gear containing a v-shaped tooth. The v-shaped tooth is designed to allow for a greater contact ratio, while maintaining an acceptable minimum amount of bottom clearance. However, the tooth tip may fracture if it is too thin.
A mathematical definition of the helix angle is important for the design of a helical gear. The helix angle is defined in the section on geometry of helical gear teeth.
The angle between the helix and the axial axis of rotation is used to calculate the axial contact ratio of a gear. This ratio is defined as the sum of the total number of contact lines, or teeth. If the overlap ratio of a gear pair is zero, then the axial contact ratio is also zero.
A helical gearbox can be a highly efficient transmission system, but may suffer from transmission error. This is the result of the axial thrust force, which is dissipated when it enters contact with an opposing tooth. To minimize the amount of power loss in a helical gear box, several approaches have been developed.

Transverse and normal planes of the teeth

Generally, helical gear teeth have two planes: the transverse and normal planes. The normal plane is perpendicular to the pitch plane. The transverse plane is perpendicular to the axial plane.
When a tooth is in contact, the load is normal to the surface at the contact point. This is known as the pressure angle. This angle is a function of the tooth’s radial position on the shaft axis. The angle can also be used to describe the shape of a tooth.
In helical gears, the normal pressure angle is the angle of the load line into the plane normal to the tooth axis. It is important to know the pressure angle when calculating the forces in a helical gear pair. This angle is usually between 15 and 30 degrees.
The helical gearbox is the most widely used gearbox. It consists of a set of helical gears connected by parallel shafts. It is also used in blowers, textile, sugar, and marine applications. It has a higher contact level and less vibration than conventional gears.
Helical gears can be used in feeders, blowers, and rubber and plastic applications. They are quieter than conventional gears, which is especially important in the food industry. They also transfer larger loads. They are also durable and can be used in blowers.
Helical gears have a slanted tooth trace. They are less noisy than conventional gears, which makes them ideal for marine applications. They also transmit rotation smoothly. They have an effective axial thrust force and transmit less vibration. They are used in many industrial applications, including the oil industry and the food industry.
Helical gears on non-parallel shafts have two major circles: the pitch circle and the root diameter. These circles can be different, so different tooth shapes can be used in the radial module system.helical gearbox

Impact of external thrust on helical gears

Considering that gearboxes are often a key component of power transmissions, the impact of external thrust on gearboxes has been investigated. This paper presents a theoretical model, accompanied by experimental measurements. In particular, this paper focuses on the effects of the thrust collar on the transfer path.
The thrust collar has been successfully proven to reduce the axial thrust between helical gears. It also reduces the acoustic impact of the gearbox by attenuating the radiated sound power. This has been accomplished by incorporating a sound damping mechanism that includes Rayleigh damping. The oil film that surrounds the thrust collar is another damping element.
In addition to reducing gearbox vibration, the oil film damping may attenuate coupled degrees of freedom. To test this, a theoretical model of a gearbox equipped with a thrust collar was developed. This model was then used in a gearbox dynamics simulation model to analyze the effects of the thrust collar on the transferpath.
The first partial model shows how the oil film and the radiated sound power could alter the acoustic performance of a gearbox. In particular, the sound pressure levels of exciting frequencies are compared at the top cover of the gearbox in the vertical direction. This was done using an accelerometer.
The second partial model is a simulation of airborne sound from the gearbox housing. This is done using the compound of the motor excitation and the meshing excitation. This is done by measuring the frequency of radiated sound at four different combinations of torque and speed.
In addition, the helical gear has been sliced into an arbitrary number of cross sections. Each gear is then mounted on a shaft, which rotates with a different timing. The helical gear is compared to a corresponding spur gear for comparison. The spur gear has a higher root stress, but its relative contact stress isn’t nearly as big as that of the helical gear.
China Helical Transmission Parts Eurodrive Gearboxes     difference between helical and worm gearboxChina Helical Transmission Parts Eurodrive Gearboxes     difference between helical and worm gearbox
editor by czh 2023-01-27

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