Merchandise Description
GG Sequence Stepped Precision Ball Screw (C3/C5)
Precision class and axial clearance
Precision quality of GG collection stepped precision ball screw are based mostly on C3 and C5(JISB1192-3). According to precision grade, Axial engage in (Preload :C3) and .005mm or significantly less(C5).
Substance & Floor Hardness
GG sequence stepped precision ball screw of screw shaft screw substance S55C (induction hardening), nut substance SCM415H (carburizing and hardening), the area hardness of the ball screw element is HRC58 or increased.
Software:
1. Health care industry
two.Lithium battery sector
3.Solar photovoltaic sector
four. Semiconductor Business
5. Basic market equipment
six. Machine device
seven. Parking method
8. High-velocity rail and aviation transportation products
9. 3C sector and so forth
Shaft Stop Shape
The shaft conclude shape of the GG series stepped precision ball screw has been standardized.
Technical Drawing
Specification Record
Manufacturing facility Comprehensive PROCESSING Pictures
Higher High quality Control System
FAQ
1. Why pick CZPT China?
Over the earlier seventeen a long time, CZPT has usually insisted that "items and services" commence from Japanese market requirements,getting ZheJiang standards as the bottom line, actively invest in the advancement of new transmission factors and self-experiment and test. With the services tenet of "exceeding client expectations", set up a "dependable" partnership.
2. What is your primary items ?
We are a major producer and distributor of linear movement parts in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our model "KGG" stands for " Know-how," " Great Top quality," and " Good price" and our factory is found in the most advanced city in China: ZheJiang with the very best tools and advanced technologies, entirely rigorous good quality control method. Our purpose is to source planet chief course linear movement factors but with most reasonable price tag in the entire world.
three. How to Customized-produced (OEM/ODM)?
If you have a product drawing or a sample, make sure you send to us, and we can custom made-made the as your needed. We will also give our specialist advices of the goods to make the layout to be much more understood & maximize the performance.
4. When can I get the quotation?
We typically estimate within 24 several hours following we get your inquiry. If you are extremely urgent to get the value,you should phone us or notify us in your electronic mail so that we will regard your inquiry precedence.
five. How can I get a sample to verify the high quality?
Right after affirmation of our quoted price, you can place the sample buy. The sample will be began right after you sign back again our detailed technological file.
six. What's your payment terms?
Our payment phrases is 30% deposit,stability 70% just before shipment.
Specifying a Ball Screw
When you need a large-good quality ball screw, it is crucial to select a single with the appropriate proportions and requirements. When you are looking for the greatest item, you must consider features such as preloading, area complete, and interior return system. You can learn far more about these attributes in this report. If you're doubtful which variety of ball screw to decide on, contact a respected supplier for even more advice. To locate the best item for your requirements, click listed here!
Brinelling
When specifying a Brinelling ball screw, it is critical to know how a lot axial load it can safely bear. The static load potential, which is offered in the catalogue, applies only to pure axial loading, and any radial load that is smaller than 5% of the axial load will not pose a issue. For far more data, contact a CZPT engineer. Brinelling ball screw provider daily life calculation must be done using the adhering to knowledge:
Preload: The sum of load a ball screw can manage during a single revolution. Preload is the load utilized prior to the ball screw commences relocating, and the load is normally among five and 10 percent of the dynamic ability. Nonetheless, a ball screw that is subject matter to vibration will encounter greater preload, necessitating much more regular lubrication. The resulting mechanical pressure could lead to the ball screw to buckle, or trigger the nut to re-circulate the balls.
Essential ball velocity: The highest speed at which the ball can move via the ball nut is named the crucial ball pace. In distinction, managing the ball screw at its vital shaft velocity can guide to abnormal vibrations, foremost to untimely failure of the end support bearings and brinelling of the ball track. Therefore, it is recommended to run a ball screw at a decrease speed than the critical ball pace to avert brinelling and plastic deformation of the balls.
Fake brinelling: Fake brinelling is a kind of Fretting. Untrue brinelling occurs when the bearings are not rotating. The movement will end result in depressions or put on marks in the bearing raceway. This will trigger noise, dress in, and eventual tiredness. If these circumstances persist, a more recent ball screw ought to be utilized to take a look at the method. The machine ought to be operate for several hrs and examined just before replacing the bearing.
Preloading
The procedure of preloading ball screws minimizes backlash by applying force to the threads in the opposite route of the screw's course of rotation. It prevents any motion of the screw relative to the nut. Different approaches are used for preloading. A typical one particular is to use oversized balls inside the ball nut. A double nut method could also be utilized. Equally approaches are similarly efficient. No matter of the method used, the end consequence is the exact same - minimum backlash and increased efficiency.
In the conventional method of preloading ball screws, the motors function concurrently in opposite instructions, leading to them to have a relative motion of about equal magnitudes. This reduces the frictional resistance of the technique, resulting in quick traverse. The program is in a position to run with nominal backlash throughout one hundred ten inches of vacation, lowering the heat developed by the travel nuts and the difficulties associated with ball screw heating. Moreover, this strategy can be utilised in a vast selection of apps.
Another approach of preloading ball screws is acknowledged as the ball-choose technique. This method includes the use of above-sized balls that drive the balls into far more contacts with the screw and nut than a standard ball screw. The edge of this approach is that it minimizes backlash simply because the balls are not machined to large tolerances. The drawback of this method is that the ball screw will price far more to manufacture than a normal ball screw and nut.
A typical layout involves a mechanical mechanism that utilizes a sequence of balls to rotate a shaft. The dilemma of backlash is exacerbated by the mass of the shaft. The mechanical technique is much more sophisticated than essential and typically needs a lot of work. The current creation removes these troubles by delivering an improved technique and apparatus for driving ball screws. This technique supplies a more effective preload power that is dynamically adjustable although the system is functioning. The method can also increase friction and put on.
Inner return technique
There are two distinct types of ball screws. The first variety is exterior and the 2nd is internal. The external variety uses return tubes that protrude from the ball nut and increase over and all around the outside of the screw. The inner sort employs a one tube that spans the ball keep track of, although the a lot more widespread design and style employs numerous tubes spanning 1.5 to 3.5 ball tracks. The internal technique involves a one return tube and many pickup fingers that guidebook the balls into the tubes.
The external return tube design and style is an simpler, considerably less costly option. The external ball return program has limited place but can take care of a wide selection of shaft diameters and qualified prospects. Nevertheless, its physical size can make it incompatible with many higher-velocity programs. Therefore, cautious consideration need to be offered to the mounting possibilities. Internal ball return systems are ideal suited for tiny leads and ball measurements. These that need a higher speed will most likely reward from the external ball return technique.
Inner ball screw technology has also kept speed with the needs of linear generate systems. Ball screw engineering is now more sturdy than ever. Sturdy interior ball return programs circulate ball bearings via a sound pickup pin. These deflectors assist the balls return to the screw in the correct place. They are essential components in computer-controlled motion manage programs and wire bonding. If you happen to be intrigued in the newest developments in linear screw technological innovation, contact us right now.
Ball screws are excellent to guide screws in numerous ways. Ball screws are more effective than lead screws, converting ninety% of rotational motion into linear movement. As a end result, they are a lot more expensive than guide screws and acme screws. They also provide a smoother motion over the total journey assortment. In addition, they demand less electricity for the exact same functionality. It's no question that the ball screw is so common in several distinct purposes.
Surface area finish
The surface complete of a ball screw is one of the key variables in identifying the efficiency of the program. A ball screw with a excellent surface area end has exceptional performance in rolling resistance, backlash, and wear attributes. Nonetheless, it is critical to increase the area end of a ball screw to achieve precision motion, low wear, and minimal sound. To accomplish this, particular wire brushes will be used to polish precision-floor shafts.
For a ball screw to execute well, it should be hard, have a easy area, and retain lubricant. The area end of a ball screw need to be sleek, totally free of cracks, and retain the lubricant nicely. Cracks and annealing are equally unwanted throughout the producing method, so a high quality machine should be employed for its surface area end. During the generation method, a CBN cutting insert with complete spherical or gothic arch profile can be used to attain a higher-good quality surface area complete.
An additional ending operation utilised in the manufacture of ball screws is lapping. Lapping improves surface good quality and journey variation. It requires complicated relative actions of abrasive particulates with the workpiece. This eliminates a slender layer of substance from the workpiece, bettering its area high quality and dimensional accuracy. The lapping approach can be carried out beneath minimal-force circumstances. It also enhances the friction torque and lubrication.
In lapping experiments, friction torque has the greatest influence on vacation variation and surface roughness. A friction torque of about one N x m is ideal. In addition, rotational velocity has only a nominal effect. The best mix of these parameters is 1-1.5 N x m and 30 rpm. The minimal area finish of a ball screw is all around 800 mesh. The smallest variation in travel is noticed at around half-way by way of the vacation.
Lubrication
Suitable lubrication of ball screw assemblies is vital to maintain optimum functionality and lifestyle. Ball screw assemblies should be lubricated with grease, which is released right into the ball nut. The lubrication port can be located at different spots on the solution, like on the flange or in the exterior threads of the ball nut. Some ball nuts also attribute a zerk fitting for simpler lubrication.
The lubrication of ball screws is necessary in the scenario of working conditions above 100oC. The least load for a ball screw is usually recognized with a preload drive. The lubricant is conveyed through the slender lubrication hole because of to the relative movement of the two surfaces. The enhanced viscosity of the lubricant allows separation of the get in touch with surfaces. To stay away from more than-lubrication, it is essential to check out the lubricant amount routinely.
The oil utilised in lubrication of ball screw assemblies can be possibly mineral or synthetic. The oil is composed of mineral or artificial oil, additives, and a thickening agent, this kind of as lithium or bentonite. Other thickening brokers contain lithium, barium complexes, or aluminum. The lubricant quality NLGI is a widely utilised classification for lubricating greases. It is not enough to decide on a certain variety of lubricant for a specific application, but it supplies a qualitative measure.
Despite currently being important to the functionality of a ball screw, lubrication is also essential to its lifespan. Different types of lubricant offer corrosion protection. Before employing a lubricant, make positive to extensively cleanse and dry the ball screw. If there is any buildup of dirt, it could injury the screw. To stop this from happening, you can use a solvent or lint-cost-free fabric. Lubrication of ball screw assemblies can drastically prolong the existence of the assembly.
