Solution Description
GG Sequence Stepped Precision Ball Screw (C3/C5)
Precision course and axial clearance
Accuracy grade of GG series stepped precision ball screw are dependent on C3 and C5(JISB1192-3). According to accuracy quality, Axial engage in (Preload :C3) and .005mm or considerably less(C5).
Materials & Floor Hardness
GG sequence stepped precision ball screw of screw shaft screw substance S55C (induction hardening), nut content SCM415H (carburizing and hardening), the area hardness of the ball screw portion is HRC58 or greater.
Software:
one. Healthcare sector
two.Lithium battery sector
three.Solar photovoltaic market
four. Semiconductor Market
5. General industry equipment
6. Equipment instrument
7. Parking program
eight. High-velocity rail and aviation transportation equipment
nine. 3C business and many others
Shaft Conclude Shape
The shaft end shape of the GG collection stepped precision ball screw has been standardized.
Specialized Drawing
Specification Record
Manufacturing facility Detailed PROCESSING Photographs
Large High quality Management System
FAQ
1. Why decide on CZPT China?
In excess of the past seventeen many years, CZPT has usually insisted that "merchandise and solutions" start from Japanese market standards,taking ZheJiang standards as the bottom line, actively commit in the growth of new transmission parts and self-experiment and check. With the provider tenet of "exceeding buyer anticipations", create a "reliable" partnership.
two. What is your major goods ?
We are a major maker and distributor of linear movement elements in China. Particularly miniature measurement of Ball Screws and Linear Actuators and linear movement guideways. Our manufacturer "KGG" stands for " Know-how," " Fantastic Quality," and " Good worth" and our factory is located in the most superior city in China: ZheJiang with the very best gear and innovative technological innovation, entirely rigorous quality management method. Our purpose is to provide entire world leader course linear motion factors but with most affordable cost in the globe.
three. How to Personalized-made (OEM/ODM)?
If you have a item drawing or a sample, you should send to us, and we can custom-created the as your needed. We will also give our specialist advices of the merchandise to make the style to be much more recognized & optimize the functionality.
4. When can I get the quotation?
We normally quotation within 24 several hours following we get your inquiry. If you are very urgent to get the price tag,make sure you phone us or notify us in your e mail so that we will regard your inquiry precedence.
five. How can I get a sample to check the top quality?
After affirmation of our quoted price tag, you can spot the sample buy. The sample will be started following you indicator again our thorough technical file.
six. What is actually your payment terms?
Our payment terms is thirty% deposit,equilibrium 70% before cargo.
Specifying a Ball Screw
When you need a high-quality ball screw, it is crucial to pick one particular with the proper proportions and specifications. When you are searching for the ideal merchandise, you must consider attributes these kinds of as preloading, surface finish, and inner return program. You can find out much more about these functions in this write-up. If you happen to be uncertain which sort of ball screw to select, get in touch with a reliable provider for even more direction. To find the ideal product for your needs, simply click listed here!
Brinelling
When specifying a Brinelling ball screw, it is critical to know how much axial load it can securely 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 likely pose a difficulty. For more details, make contact with a CZPT engineer. Brinelling ball screw service life calculation should be done utilizing the pursuing info:
Preload: The sum of load a ball screw can take care of throughout a solitary revolution. Preload is the load applied prior to the ball screw begins moving, and the load is normally between 5 and 10 percent of the dynamic potential. However, a ball screw that is topic to vibration will experience greater preload, necessitating a lot more recurrent lubrication. The resulting mechanical anxiety could lead to the ball screw to buckle, or lead to the nut to re-circulate the balls.
Essential ball velocity: The greatest pace at which the ball can transfer via the ball nut is known as the critical ball speed. In distinction, working the ball screw at its critical shaft velocity can guide to abnormal vibrations, leading to premature failure of the end assistance bearings and brinelling of the ball keep track of. Thus, it is recommended to operate a ball screw at a reduced velocity than the vital ball velocity to prevent brinelling and plastic deformation of the balls.
False brinelling: Untrue brinelling is a form of Fretting. Untrue brinelling takes place when the bearings are not rotating. The movement will outcome in depressions or wear marks in the bearing raceway. This will cause sound, put on, and eventual exhaustion. If these conditions persist, a more recent ball screw ought to be utilised to examination the system. The device must be run for several hours and tested prior to changing the bearing.
Preloading
The process of preloading ball screws minimizes backlash by applying stress to the threads in the opposite path of the screw's path of rotation. It stops any movement of the screw relative to the nut. Different approaches are utilised for preloading. A common 1 is to use outsized balls within the ball nut. A double nut program may possibly also be used. Both methods are similarly effective. Regardless of the approach utilized, the stop end result is the identical - minimal backlash and improved performance.
In the typical approach of preloading ball screws, the motors operate at the same time in reverse directions, causing them to have a relative movement of around equal magnitudes. This lowers the frictional resistance of the technique, ensuing in speedy traverse. The system is able to operate with nominal backlash for the duration of a hundred and ten inches of vacation, minimizing the heat designed by the push nuts and the difficulties associated with ball screw heating. Furthermore, this method can be utilized in a vast selection of apps.
One more strategy of preloading ball screws is identified as the ball-choose technique. This strategy contains the use of above-sized balls that force the balls into a lot more contacts with the screw and nut than a normal ball screw. The benefit of this strategy is that it minimizes backlash due to the fact the balls are not machined to high tolerances. The downside of this strategy is that the ball screw will expense a lot more to manufacture than a common ball screw and nut.
A conventional design and style consists of a mechanical mechanism that utilizes a collection of balls to rotate a shaft. The difficulty of backlash is exacerbated by the mass of the shaft. The mechanical program is much more sophisticated than needed and usually calls for a whole lot of hard work. The present invention gets rid of these issues by providing an improved method and equipment for driving ball screws. This strategy supplies a more successful preload power that is dynamically adjustable while the mechanism is operating. The strategy can also boost friction and put on.
Internal return technique
There are two diverse types of ball screws. The first type is external and the 2nd is inside. The external kind utilizes return tubes that protrude from the ball nut and lengthen earlier mentioned and close to the outdoors of the screw. The interior kind makes use of a single tube that spans the ball monitor, even though the a lot more typical style uses a number of tubes spanning 1.5 to 3.5 ball tracks. The inside method entails a single return tube and many pickup fingers that information the balls into the tubes.
The exterior return tube layout is an less difficult, significantly less expensive selection. The exterior ball return system has restricted area but can take care of a broad assortment of shaft diameters and leads. Even so, its physical measurement tends to make it incompatible with a lot of substantial-velocity applications. Consequently, cautious thing to consider should be given to the mounting choices. Interior ball return methods are ideal suited for modest prospects and ball dimensions. These that need to have a high speed will very likely reward from the exterior ball return program.
Interior ball screw technological innovation has also retained tempo with the needs of linear travel programs. Ball screw technological innovation is now much more durable than ever. Robust internal ball return techniques circulate ball bearings through a sound pickup pin. These deflectors assist the balls return to the screw in the proper location. They are essential elements in personal computer-managed motion handle methods and wire bonding. If you might be fascinated in the latest improvements in linear screw technologies, get in touch with us nowadays.
Ball screws are excellent to guide screws in numerous approaches. Ball screws are much more effective than lead screws, converting 90% of rotational motion into linear motion. As a result, they are a lot more high-priced than lead screws and acme screws. They also provide a smoother motion above the entire travel variety. Furthermore, they demand less power for the exact same overall performance. It is no surprise that the ball screw is so well-known in several different programs.
Floor end
The floor finish of a ball screw is one of the important aspects in identifying the performance of the system. A ball screw with a good floor end has outstanding functionality in rolling resistance, backlash, and use characteristics. Even so, it is vital to improve the surface area finish of a ball screw to accomplish precision movement, reduced use, and minimal sound. To achieve this, special wire brushes will be utilized to polish precision-ground shafts.
For a ball screw to execute nicely, it must be difficult, have a clean floor, and retain lubricant. The surface area end of a ball screw need to be easy, free of cracks, and keep the lubricant effectively. Cracks and annealing are both undesirable throughout the manufacturing process, so a good quality device need to be employed for its floor complete. During the production process, a CBN slicing insert with full round or gothic arch profile can be used to achieve a substantial-high quality area finish.
Another ending operation employed in the manufacture of ball screws is lapping. Lapping improves surface area top quality and journey variation. It requires sophisticated relative movements of abrasive particulates with the workpiece. This eliminates a slender layer of content from the workpiece, enhancing its floor high quality and dimensional accuracy. The lapping process can be carried out beneath low-force situations. It also improves the friction torque and lubrication.
In lapping experiments, friction torque has the greatest impact on travel variation and area roughness. A friction torque of about one N x m is ideal. In addition, rotational speed has only a nominal influence. The best blend of these parameters is 1-1.5 N x m and 30 rpm. The minimal surface area finish of a ball screw is about 800 mesh. The smallest variation in vacation is observed at all around 50 %-way by way of the journey.
Lubrication
Correct lubrication of ball screw assemblies is crucial to preserve the best possible overall performance and lifestyle. Ball screw assemblies ought to be lubricated with grease, which is introduced right into the ball nut. The lubrication port can be found at various places on the merchandise, such as on the flange or in the external threads of the ball nut. Some ball nuts also attribute a zerk fitting for simpler lubrication.
The lubrication of ball screws is needed in the scenario of running circumstances more than 100oC. The minimum load for a ball screw is usually recognized with a preload pressure. The lubricant is conveyed by way of the narrow lubrication hole owing to the relative movement of the two surfaces. The enhanced viscosity of the lubricant allows separation of the contact surfaces. To keep away from over-lubrication, it is essential to verify the lubricant level frequently.
The oil employed in lubrication of ball screw assemblies can be both mineral or synthetic. The oil is composed of mineral or synthetic oil, additives, and a thickening agent, these kinds of as lithium or bentonite. Other thickening brokers incorporate lithium, barium complexes, or aluminum. The lubricant quality NLGI is a broadly used classification for lubricating greases. It is not adequate to decide on a specific variety of lubricant for a distinct software, but it provides a qualitative evaluate.
In spite of becoming essential to the overall performance of a ball screw, lubrication is also vital to its lifespan. Distinct varieties of lubricant provide corrosion security. Before using a lubricant, make confident to thoroughly thoroughly clean and dry the ball screw. If there is any buildup of dirt, it could harm the screw. To stop this from taking place, you can use a solvent or lint-free cloth. Lubrication of ball screw assemblies can drastically lengthen the existence of the assembly.
