Noise worm gear running resolved

To reduce noise vertical gear reducer runtime, scholars have been discussed and studied this issue, after long experiments scholars and research, summed up the result of changes in gear tooth contact stiffness but rather gear dynamic load, vibration and noise of the main factor. By studying the results with a modification of the method to dynamic load and speed fluctuation is minimized, in order to achieve the purpose of noise reduction. Proved in practice is a more effective method. However, this method requires modification of equipment needed on the process, which the majority of medium and small factories, it is often impossible to implement.

Worm reducer Features

1. PC gear reducer made of high strength low-carbon alloy steel hardened by carburizing from the tooth surface hardness of HRC58-62, gear grinding process are used, high accuracy, good contact.
2. Transmission efficiency: three more than 90%.
3. smooth operation, low noise.
4. Small size, light weight, long life, high load carrying capacity.
5. Easy dismantling, easy to install.
Reason reducer helical gears used in the manufacture of: Disadvantages spur primarily that they will produce vibration. Whether it is due to the design, manufacture or deformation, etc., at the same time along the entire tooth surface may occur some changes involute shape. This will lead to a regular, once per tooth incentives, it is often very strong. The resulting vibration caused by both large load on the gear, and cause noise. Another negative point is that the contact time, and sometimes additional strength by two pairs of meshing obtained and can not be used, because the stress is circulating in the situation of a single tooth meshing defined.

Knowledge worm worm reducer Detailed scope and application

Worm reducer gearbox Detailed knowledge: worm gear is a compact structure, transmission ratio, and under certain conditions, mechanical drive with self-locking function is one of the most commonly used gear, wherein the hollow shaft type worm gear reducer not only has the above features, and ease of installation, reasonable structure, more and more widely used. Hollow RV Worm Gear Reducer in the input side installation of a helical gear reducer, the availability of multi-stage gear constitute a very low output speed, and it is a combination of helical gear stage worm gear stage, than pure single-stage worm reducer has a higher efficiency. And vibration, low noise, low power consumption.

During operation of the gear reducer Wear adjustment mode

combined worm reducer during operation, because the friction living movement causes a change in size, shape and quality between related parts, resulting in wear and tear, increases associated with the gap between the parts. When the gap after more than a reasonable range, only by adjusting the gap between the relative motion to ensure the accuracy of the parts.
Gear reducer spindle rotation accuracy, the premise of the spindle itself, meet the requirements of processing errors, in general, it is largely determined by the bearings. Precision spindle rotation adjustment key is to tune the bearing clearance. Maintain a reasonable amount of clearance bearing on the performance and life of the spindle bearing member is of great significance. For the rolling bearing, a larger gap in the case of work, not only will load is concentrated in the rolling elements in the direction of the force on the top, and in the bearing outer ring raceway contact at serious stress concentration shorten bearing life, but also the spindle axis drift phenomenon, easy to cause vibration spindle member. Thus, the gear reducer must adjust the rolling bearing preload, the internal bearing produce a certain amount of interference, resulting in a certain amount of elastic deformation of the rolling elements and the outer ring raceway contact points, in order to improve the rigidity of the bearing.

Why housing gear reducer will spill

Many kinds of development cycloidal reducers is because different areas of application, according to points, then there is components: housing, shaft, screws, bearings, fans, gears and other components. During use because some portion may cause leakage phenomenon, to introduce simple and practical method:
We all know that gear box gear with metal welded together, is not likely to achieve the perfect requirements. Because the combination of surface gear box there is a gap between the seal is not enough, there may have loose screws at the slip phenomenon, it will lead to the oil spill is one of the most common problems gear box up and down some places. That we have taken is to use sealant to the oil spill at the painted, it will produce an adhesive force can effectively prevent oil spills can also play a sealing effect oh.

How to solve the RV worm reducer fever and oil spills?

helical bevel worm gearmotor in order to improve efficiency, the use of non-ferrous metals generally do worm, the worm is using hard steel, as it is sliding friction drive, during operation, it will have a higher heat, so that the various parts and seals reducer the difference between the thermal expansion, thereby creating a gap with the surface, while the oil thinning due to temperature rise, likely to cause leaks. There are four main reasons, first, the material mix is ​​reasonable, the second is the quality of the engagement surface friction surface, and the third is the lubricant of choice, add the amount is correct, Fourth, assembly quality and the environment.

Worm gear and planetary cycloid advantages and disadvantages of the machine:

1, high-speed ratio and high efficiency single-stage transmission, can achieve reduction ratio 1:87, efficiency above 90%, if the use of multi-stage gear reduction ratio larger.
2, compact structure, small size, thanks to the planetary transmission principle, the input shaft of the output shaft in the same axis line to obtain the smallest possible size models.
3, smooth operation and low noise variable ratio gearbox engagement number, large overlap coefficient and mechanical balance mechanism has the vibration and noise restricted to a minimum.
4, the use of reliable, long life due to the use of carbon chromium steel main parts materials, the quenching treatment (HRC58 ~ 62) to obtain a high strength, and the partial driving touch adopts rolling friction, so long durable life.

How to solve the RV worm reducer fever and oil spills

vertical gear reducer in order to improve efficiency, the use of non-ferrous metals generally do worm, the worm is using hard steel, as it is sliding friction drive, during operation, it will have a higher heat, so that the various parts and seals reducer the difference between the thermal expansion, thereby creating a gap with the surface, while the oil thinning due to temperature rise, likely to cause leaks. There are four main reasons, first, the material mix is ​​reasonable, the second is the quality of the engagement surface friction surface, and the third is the lubricant of choice, add the amount is correct, Fourth, assembly quality and the environment.
Workaround: to ensure the quality of assembly. In order to ensure the quality of assembly, when the plant later and made a number of special tools to remove and install reducer worm, worm, bearings, gears and other components, try to avoid using a hammer and other tools to directly tap; when changing gears, worm, as far as possible selection of original parts and be replaced in pairs; assembly output shaft, pay attention to tolerances, D≤50mm, using H7 / k6, D> 50mm, using H7 / m6, while the use of anti-adhesive or red lead oil, protect the hollow axis, to prevent wear rust, with the area to prevent dirt and difficult to disassemble for maintenance.

RV worm reducer What a performance advantage

RV worm reducer unique new style of "square box" form factor, box appearance, high quality aluminum die casting, the performance has the following advantages:
1, the mechanical structure is compact, lightweight form factor, compact and efficient;
2, good heat exchange performance, fast heat dissipation;
3, easy to install, flexible and nimble, superior performance, easy maintenance and overhaul;
4, smooth running, low noise, durable;
5, applicability, safety and reliability large.
Cycloidal Speed Reducer Gearbox has been widely used in various industries of machinery and equipment production technology deceleration devices, is a modern industrial equipment to achieve high torque, high ratio of low noise, high stability mechanical gear transmission control device a good choice.

RV worm gear lubricant use

1, for the first time or replacing the running 150-400 hours after the worm gear oil change, after the oil change intervals of less than or equal to 4000 hours;
2, regularly check the weight and quality of oil, enough to retain lubricant, timely replacement of oil mixed with impurities or deterioration;
3, subject to the requirements of Table fuel injection, Do not mix different grades of oil, and different grades of the same viscosity oil allows the mix;
4, reducer working environment temperature -40 ° C ~ + 40 ° C, when the ambient temperature is below 0 ° C, before starting lubrication must be heated to above 0 ° C or using lubricating low freezing point.

Superiority worm reducer

cycloidal reducers has a wealth of classification. Different reducer, its role is not the same, and the advantages and disadvantages of different, but the way in the drive gear, the worm gear has its unique advantages.
Worm reducer is a compact structure, transmission ratio, and under certain conditions, mechanical transmission with self-locking function is one of the most commonly used gear, wherein the hollow shaft worm gear reducer not only with the above characteristics and easy installation, reasonable structure, more and more widely used.
Hollow shaft worm gear reducer worm reducer in the input install a helical gear reducer, consisting of multi-stage gear, get very low output speed, is a combination of helical gears and worm grade level than pure single-stage worm gear has a higher efficiency. And vibration, low noise, low power consumption.
Can not be ignored was that the worm transmission mode has self-locking function is useful in mechanical applications, such as winches, transportation equipment. But at the same time, because of the friction worm drive mode, resulting in a relatively much lower gear Worm transmission efficiency.
Note: Not all of the worm gear have good self-locking function of self-locking worm gear to reach a certain ratio can be achieved.

Worm reducer indispensable maintenance work

AC Motor Worm Gearbox 10 essential maintenance work:
1, the worm reducer suitable for continuous duty 24 hours and allows forward and reverse operation.
2, single-stage worm gear and the output shaft of the steering input shaft turn in the opposite, two-stage worm gear and the output shaft of the steering input shaft steering the same.
3, the worm gear without self-locking effect.
4, the worm gear output shaft can not withstand the steering shaft.
5, overload may occur in the use of the occasion, overload protection device should be installed.
6, foot type horizontal mounted worm reducer cycloid confidential installed in no vibration, very strong level, based on the installation must be carried out using the occasion of the tilt, tilt worm gear axis shall not exceed plus or minus 15 degrees.
7, flange mounted vertical cycloid worm gear in the installation, the output shaft vertically downwards.
8, such as the need to use other special type of installation other than foot and flange mounted horizontal vertical installed, must take appropriate measures to ensure lubrication and seal worm reducer adequate lubrication and to prevent oil spills. Please contact our technical department.
9, using grease lubricated worm reducer cycloid free installation angle.
10, when the worm gear is installed, can be used to adjust the pad, the pad height direction of not more than three, must change into after the worm gear calibration flat pad.

Worm gear assembly precision installation

helical bevel worm gearmotor modernization as essential transmission equipment, are used in various industries being. To protect the worm gear assembly precision when we do not have to install the boot does not break the seal fillers may be surface rust by opening the lid to check the oil or fat depends on kerosene and diesel invasion washing gear.
Long-term storage because the body must be open to improper care cleaning rust can be cleaned with 0.5 sodium hydroxide solution and then rinse dry. Carefully remove the body binding surface sealants reassembled again before recoating 609 or 587 sealant and reasonable adjustment to restore the original assembly precision.
Between the worm gear and the motor or hosting, coupling elastic coupling can also be used gear couplings or other non-rigid coupling. Worm reducer should be installed to adjust the shim must stand firmly smooth solid selection of cutting steel mat. And concentricity deviations of coupling used shall not exceed the allowable value of the coupling. Check the box for each adhesion surface bolts are loose re-tighten if loose. The main features of worm reducer is a reverse self-locking feature, you can have a greater reduction ratio, the input shaft and the output shaft axis is not the same, nor in the same plane.
In the transmission mode worm gear, the worm gear with the other gear that are not characteristic that the worm can be easily rotated the worm, but the worm can not rotate the worm, it is because the structure and worm gear are caused by friction to achieve. Self-locking worm drive mode function worm reducer having useful in mechanical applications, such as winches, transportation equipment and so on. Transmission worm gear belonging to the worm gear, the worm gear screw drive and is equivalent to, precisely because of this transmission mode, when the inter-worm gear reaches a certain ratio, when the worm lead angle is less than engaging teeth When the equivalent friction angle, with self-locking mechanism, can achieve a reverse self-locking, which can only be driven by the worm gear, the worm can not be driven by the worm.

Processing worm reducer appear off-axis

combined worm reducer appear off-axis, we should use the following method: 1, the brake wheel and hydraulic coupling balancing poor. Typically coupling only static balance test, without balancing test, there is a certain deviation balancing coupling in high-speed operation, it will produce additional dynamic load on the shaft, increasing the shaft deformation and stress, after a long run , will produce fatigue.
2, deviation worm reducer and motor concentricity too large. Reducer and motor are connected by coupling, coaxial three requirements are very strict, but in actual production, maintenance personnel are often only concerned gear lubrication and leakage and other issues, coupled with the detection difficulties and other reasons, the question of concentricity often overlooked. Elastomer coupling compensation capability is limited, a large degree between the coaxial gear and the motor will produce a vertical shaft to an additional alternating load axis, after a long run, it will speed up the rate of fatigue.
3, coupling types and installation improper selection. Belt conveyor drive with outer drive constant filling fluid coupling, fastened when installing outer gear input shaft, flexible coupling and motor connections, coupling all weight bearing by the input gear and the motor shaft basic does not bear the weight.