Solution Description
Item description
Ball screw assembly is consisted of ball screw nut and rod. The operate is transfer the rotary movement into linear movement or transfer the linear movement into rotary motion.Ball screw is widely used for all types of industrial equipments and precision instrument.Considering that 1964, the business designed the China's initial ball screw, it has on the major place in China in the study and manufacture of ball screw.
Specifications
Ball sort:ø8 - ø200High transmission fee
Transmission reversibility
long service life,good synchronicity
Max potential is 376 tons.
Max. single to 10m,joint to 19m
It's extensively used in all types of industrial equipments,precision NC machine tool
Company profile
HangZhou YIGONG has a total functionality CZPT of rolling useful parts, higher-speed ball screw pair 60m/min working sounds 70dB, high-velocity rolling linear CZPT pair 60m/min managing sound 68dB, for precision horizontal machining middle batch matching ball screw pair, rolling CZPT pair, to achieve every single axis quick shifting pace 40m/min, positioning accuracy .002mm, recurring positioning precision .001mm. Our equipments import from Japan and Germany and so on.
FAQ
Why decide on AZI China?
With a lot more than sixty many years of production encounter, good quality assurance,factory directly cost.
How can I get a sample to examine the high quality?
We quotation in accordance to your drawing, the value is ideal, signal the sample checklist.
What is your major products ?
Our Principal goods are consist of ball screw,linear guidebook,arc linear guide,ball spline and ball screw linear CZPT rail module.
Ball Screws - Proportions, Purposes, and Rewards
Ball screws are well-liked, light-weight, precision mechanical parts. They are generally utilized in machinery, gears, and knurled objects. These screw-like areas can be easily preserved and lubricated making use of oil. This write-up discusses their proportions, applications, and advantages. The subsequent sections give extra details to support you choose the correct ball screw for your wants. We will examine some of the essential characteristics of ball screws and what tends to make them so helpful.
Preloading
A crucial dilemma with nut-to-ball screw backlash is the capacity of the nut to move freely on the threads of the ball screw. To resolve this issue, a patented answer was developed. The patent, 4,557,156, describes an revolutionary technique for preloading ball screws and nuts. By applying a preloading nut, the threads of the ball screw are prevented from shifting back and forth with the nut.
A mechanical layout that entails axial perform includes a great deal of mass, inertia, and complexity. These characteristics lead to dress in and rust problems. Preloading ball screws making use of a dynamic system minimizes mechanical complexity by enabling preload to be adjusted even though the mechanism is running. This also reduces the number of mechanical elements and simplifies production. Hence, the preloading approach of the current invention is beneficial.
The servo motors utilized in the system keep track of the output torque and adjust the electrical power to a single motor in a dynamic way, thus producing a torque differential amongst the balls. This torque differential in turn results in a preload force in between the ball nuts. The servo motors' output torque is managed in this method, and the machine's backlash clearance can be exactly controlled. Consequently, the machine can carry out several tasks with improved precision.
Several prior art techniques for preloading ball screws are described in detail in FIG. 3. The helical thread grooves of the ball screw 26 and the nut 24 determine a pathway for roller balls to vacation along. The stylized damaged line implies the general position of the axis of the ball roller screw 26. The corresponding ball screws are used in a quantity of applications. This approach might be used to manufacture customized-sized screws.
Lubrication
Ball screws are mechanical elements that roll balls via a groove. Poor lubrication can reduce the existence of these screw elements. Poor lubrication can guide to shaft injury, malfunction, and lowered overall performance. This write-up discusses the significance of correct lubrication and how to do it. You can find out how to effectively lubricate ball screws in the following paragraphs. Here are some suggestions to guarantee long-phrase overall performance and safety of ball screws.
The 1st thing you need to do is decide the type of lubricant you'll be employing. Oils are chosen because they are inclined to remain within the ball nut, and grease can create up in it. Oils also have a tendency to have far better anti-corrosion qualities than grease. Even so, grease is more most likely to be clogged with particles than oils. So, before you pick the lubricant which is proper for your screw, make confident you clean it off.
The oil used in ball screw lubrication have to be applied at a managed rate. It can avoid metal-on-metal contact and clear out contaminants as it passes by means of the ball nut. Nevertheless, oil as a lubricant is pricey and can contaminate the approach if it mixes with the slicing fluid. Grease, on the other hand, is economical, demands fewer apps, and does not contaminate procedure fluids.
If you use a synthetic oil for lubrication, make sure to select a viscosity that is proper for the operating temperature. Oil viscosity can increase the temperature of the ball screw assembly, and extreme oil can lessen its life. A appropriate amount of oil will reduce the temperature of the ball screw assembly, even though way too minor will improve friction and put on. Use the following guidelines to figure out the right quantity of oil for your screw.
Proportions
Proportions of ball screws are a quite essential factor to contemplate when determining the greatest type for your software. Complex acceptance circumstances for ball screws specify the permitted deviations during acceptance assessments. The tolerance class can also change, based on the needs of a distinct software. The following table lists the most important tolerance values for the entire selection of screw lengths. This table is a beneficial manual when seeking for a particular screw. The table beneath lists the proportions of widespread ball screws.
The axial load used to a ball screw is .5 x Fpr / 2Fpr. The minimal screw diameter is identified as the root diameter. The axial load leads to the screw shaft to deform in a specific way (DL1 and DL2). The elastic deflection induced by the load on a ball screw is called its rigidity. This rigidity is crucial for calculating sizing parameters for a ball screw.
The preload price of the ball screw impacts the dynamic load ability. A preload of 10 per cent is considered ample, whilst a benefit better than this may compromise the screw's toughness. In common, a substantial preload benefit will end result in a decrease dynamic load ability and better use. However, the preload benefit should be calculated with the appropriate screw parameters. This is because a large preload price lowers the screw's longevity.
To guarantee that your screw fulfills the specified parameters, the dynamic load capability have to be calculated. This is the sum of drive a ball screw will endure below a specified load. This calculation also involves energy checks. If you are making use of a ball screw for apps that need extra power, it could need a protection aspect. For instance, if the screw is utilised for double-axial mounting, then the outer ball nut must be inserted into the nut, creating a secondary load.
Purposes
The current invention gives a easy, nevertheless highly effective way to mount a ball screw. Its absence of insert slots or by way of holes helps make it less complicated to assemble and offers a far more uniform nut. The absence of mechanical attributes also reduces warmth remedy issues, and the nut's hardness can be uniformly hardened. As a consequence, the screw's all round overall performance is improved. Listed here are some illustrations of applications for ball screws.
Preloading is the process of implementing power to a ball screw. This boosts the rigidity of the screw assembly and removes backlash, which is dropped motion induced by clearance between the nut and ball. Backlash disrupts repeatability and precision. Spacer preloading includes inserting force between two ball nuts and transmitting it via the grooves. This strategy is excellent when preloading is needed in massive quantities. In addition to increasing rigidity, preloading can improve precision.
Ball screws demand cautious treatment in their doing work surfaces to stop contamination. Rubber or leather bellows can be utilised to shield their surfaces, even though good air strain can be used to the screw. Preloading eradicates backlash, a typical problem amongst screw assemblies. In addition to the many programs for ball screws, they are also vital to pc-controlled movement-manage systems and wire bonding. And there are many more illustrations. So what are the rewards of making use of these products?
The spring preloading program uses a spring in amongst two ball nuts, applying tensional forces to the ball nuts. This spring results in grooves in the nut's center, which facilitates recirculation of the balls. The spring preloading system is more compact than the double nut mechanism, but the lengthening of the direct decreases the ball screw's load capacity. Its compact design and style helps make it best for modest clearance assemblies.
Upkeep
In addition to performing routine maintenance duties oneself, the company of ball screws need to offer you reverse engineering solutions that will permit them to discover specific difficulties. The procedure of reverse engineering enables ball screw producers to build new ball screws and elements. In the function that a ball screw is past mend, a maker can usually save a considerable quantity of cash by fixing it rather of replacing it. In addition to restoring a ball screw, the company should also offer you free of charge analysis companies for the ingredient. Reconditioning and alternative entail the use of new elements, while reloading and substitution substitute the screw.
Performing routine upkeep checks on ball screw assemblies is crucial for sustaining ideal efficiency and extending their service life. Time beyond regulation, excessive put on can direct to a selection of difficulties, such as backlash, vibration, and ball bearing sound. In addition, the improved friction boosts the needed torque for turning a screw, creating program failure and important downtime. To make sure that a ball screw is fully useful, it must be checked for wear and maintain the proper lubrication method.
Discoloration or pitting on a ball screw suggests that it is in need to have of fix. The exact same is correct if there are chatter marks in the ball groove. Frequently, a ball screw requirements a new lubrication seal or wipers. Moreover, it may possibly be lacking or more than-donning, which could consequence in long term failure. Last but not least, abnormal electrical power draw could be a indicator of improper lubrication or incorrect installation.
Proper routine maintenance is important for any machine resource. When performed appropriately, machine instruments can last a long time with ongoing use. Proper treatment and maintenance is vital to ensure prolonged lifestyle and optimum efficiency. In addition to enhancing device device uptime, correct upkeep affects the accuracy and repeatability of the stop product. For that reason, top quality device resource producers focus on the functionality and durability of ball screws. They create progressive designs and lubricants to optimize the lifespan of their goods.
