China OEM Hollow-Shaft Harmonic Drive Gearbox for NEMA 17 Servo Motor with Great quality

Product Description

Solution Description:

one.Flexspline is a hollow flanging common cylinder construction.

two.There is a huge-diameter hollow shaft hole in the center of the cam of the wave generator. The inside style of the reducer has a support bearing.

three.It has a completely sealed framework and is easy to put in. It is quite ideal for the occasions in which the wire needs to be threaded from the heart of the reducer.


The 1st:Large precision,higher torque

The second:focused complex personnel can be on-the-go to offer layout solutions

The 3rd:Manufacturing unit direct product sales fine workmanship tough quality assurance

The fourth:Solution top quality problems have a a single-yr warranty time, can be returned for substitute or restore

Firm profile:


HangZhou CZPT Technologies Co., Ltd. recognized in 2014, is dedicated to the R & D plant of high-precision transmission factors. At current, the once-a-year creation capability can attain 45000 sets of harmonic reducers. We firmly think in top quality first. All hyperlinks from raw materials to completed products are strictly supervised and controlled, which supplies a reliable basis for solution quality. Our goods are marketed all more than the nation and abroad.

The harmonic reducer and other high-precision transmission elements have been independently designed by the company. Our organization spends 20% of its product sales every single calendar year on the investigation and growth of new technologies in the business. There are 5 folks in R & D.

Our advantage is as beneath:

1.7 several years of advertising knowledge

2. 5-person R & D staff to offer you with technological help

three. It is offered at residence and overseas and exported to Turkey and Eire

four. The product quality is assured with a one particular-calendar year warranty

five. Products can be customized

Toughness manufacturing facility:

Our plant has an complete campus The quantity of workshops is about 300 Whether or not it’s from the production of raw resources and the procurement of uncooked resources to the inspection of finished items, we’re undertaking it ourselves. There is a comprehensive generation system

HST-III Parameter:

HSG Parameter:


Application scenario:

Q: What must I give when I select gearbox/velocity reducer?
A: The ideal way is to provide the motor drawing with parameter. Our engineer will verify and advise the most appropriate gearbox model for your refer.
Or you can also give under specification as well:
1) Variety, model and torque.
2) Ratio or output velocity
3) Functioning issue and connection strategy
four) Quality and installed equipment title
five) Enter manner and enter pace
six) Motor brand model or flange and motor shaft size

The Components of a Gearbox

There are many areas of a Gearbox, and this post will assist you understand its functions and components. Discover about its upkeep and suitable care, and you’ll be on your way to fixing your vehicle. The complexity of a Gearbox also tends to make it straightforward to make errors. Discover about its features and elements so that you will be capable to make the very best choices attainable. Read through on to understand a lot more. Then, get your auto completely ready for wintertime!


Gearboxes are totally built-in mechanical parts that consist of a series of gears. They also have shafts, bearings, and a flange to mount a motor. The phrases gearhead and gearbox are not often utilised interchangeably in the movement sector, but they are usually synonymous. Gearheads are open up gearing assemblies that are put in in a device body. Some newer styles, this sort of as battery-driven cellular models, need tighter integration.
The electricity losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a purpose of the coefficient of friction and pace. The no-load losses are the most significant, because they signify the greatest proportion of the overall reduction. This is since they enhance with velocity.
Temperature measurement is one more important preventive maintenance practice. The warmth created by the gearbox can damage components. High-temperature oil degrades rapidly at large temperatures, which is why the sump oil temperature must be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. Nevertheless, if the sump oil temperature is a lot more than 200degF, it can lead to seal damage, equipment and bearing wear, and untimely failure of the gearbox.
Regardless of its size, the gearbox is a essential portion of a car’s drivetrain. Regardless of whether the auto is a athletics car, a luxurious automobile, or a farm tractor, the gearbox is an crucial component of the car. There are two primary varieties of gearbox: standard and precision. Every single has its personal benefits and down sides. The most critical thing to consider when picking a gearbox is the torque output.
The major shaft and the clutch shaft are the two key factors of a gearbox. The main shaft runs at engine speed and the countershaft could be at a reduce pace. In addition to the principal shaft, the clutch shaft has a bearing. The equipment ratio decides the quantity of torque that can be transferred among the countershaft and the main shaft. The travel shaft also has an additional identify: the propeller shaft.
The gears, shafts, and hub/shaft link are designed according to endurance design standards. Depending on the application, each ingredient need to be capable to stand up to the typical stresses that the method will knowledge. Oftentimes, the least velocity variety is 10 to twenty m/s. Nonetheless, this selection can vary among different transmissions. Typically, the gears and shafts in a gearbox must have an endurance restrict that is much less than that restrict.
The bearings in a gearbox are considered wear components. While they need to be changed when they dress in down, they can be stored in support a lot for a longer time than their supposed L10 lifestyle. Utilizing predictive routine maintenance, companies can figure out when to replace the bearing prior to it damages the gears and other parts. For a gearbox to perform appropriately, it have to have all the parts detailed previously mentioned. And the clutch, which enables the transmission of torque, is deemed the most important part.


A gearbox is a totally built-in mechanical component that consists of mating gears. It is enclosed in a housing that residences the shafts, bearings, and flange for motor mounting. The goal of a gearbox is to increase torque and modify the velocity of an engine by connecting the two rotating shafts collectively. A gearbox is normally created up of numerous gears that are linked with each other making use of couplings, belts, chains, or hollow shaft connections. When power and torque are held continuous, speed and torque are inversely proportional. The pace of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The equipment ratios in a gearbox are the variety of actions a motor can take to change torque into horsepower. The sum of torque necessary at the wheels depends on the operating situations. A vehicle demands much more torque than its peak torque when it is relocating from a standstill. Consequently, the 1st gear ratio is employed to improve torque and transfer the car forward. To go up a gradient, far more torque is essential. To keep momentum, the intermediate gear ratio is employed.
As metallic-to-metallic contact is a widespread lead to of gearbox failure, it is vital to monitor the problem of these components carefully. The main focus of the proactive collection of exams is irregular wear and contamination, even though the preventative tests focus on oil situation and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are utilized more for detecting irregular additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.


Daily servicing is a critical aspect of the life cycle of a gearbox. Throughout upkeep, you must inspect all gearbox connection areas. Any free or destroyed connection part need to be tightened instantly. Oil can be tested making use of an infrared thermometer and particle counters, spectrometric examination, or ferrography. You must check out for too much wear and tear, cracks, and oil leaks. If any of these factors fall short, you should substitute them as soon as achievable.
Correct examination of failure patterns is a necessary portion of any preventative maintenance software. This investigation will help determine the root lead to of gearbox failures, as nicely as prepare for long term preventative maintenance. By appropriately organizing preventative servicing, you can steer clear of the cost and inconvenience of fixing or replacing a gearbox prematurely. You can even outsource gearbox servicing to a firm whose authorities are knowledgeable in this field. The outcomes of the evaluation will support you create a a lot more successful preventative upkeep system.
It is essential to check out the condition of the gearbox oil periodically. The oil need to be changed in accordance to its temperature and the hrs of operation. The temperature is a substantial determinant of the frequency of oil alterations. Increased temperatures require far more recurrent changes, and the amount of safety from dampness and water decreases by seventy five%. At elevated temperatures, the oil’s molecular construction breaks down a lot more quickly, inhibiting the development of a protecting film.
Fortunately, the equipment sector has created innovative systems and services that can aid plant operators reduce their downtime and make sure best efficiency from their industrial gears. Listed here are ten methods to make certain that your gearbox proceeds to provide its objective. When you are making ready for servicing, usually hold in head the adhering to suggestions:
Typical vibration investigation is a important part of gearbox upkeep. Elevated vibration indicators impending issues. Visually examine the interior gears for indications of spiraling and pitting. You can use engineers’ blue to check out the make contact with sample of equipment tooth. If there is a misalignment, bearings or housings are worn and want replacement. Also make confident the breathers continue being clear. In dirty programs, this is more tough to do.
Appropriate lubrication is an additional important aspect in the lifestyle of gearboxes. Suitable lubrication prevents failure. The oil have to be cost-free of foreign components and have the suitable amount of flow. Proper lubricant variety is dependent on the sort of equipment, reduction ratio, and enter energy. In addition to oil degree, the lubricant must be controlled for the dimension and shape of gears. If not, the lubricant must be modified.
Lack of suitable lubrication reduces the toughness of other gears. Inappropriate maintenance reduces the existence of the transmission. No matter whether the transmission is overloaded or undersized, extreme vibration can harm the equipment. If it is not correctly lubricated, it can be ruined beyond repair. Then, the need for replacement gears may possibly come up. Even so, it is not a time to squander a whole lot of income and time on repairs.

China OEM Hollow-Shaft Harmonic Drive Gearbox for NEMA 17 Servo Motor     with Great qualityChina OEM Hollow-Shaft Harmonic Drive Gearbox for NEMA 17 Servo Motor     with Great quality