China best Big Lead Ball Screw for CNC Machine near me supplier

Product Description


Solution Description

SFI series Domestic Chinese ball screw shaft with nut information
High precision low noise ERSK ball screw

Ball screw is produced of screw, nut and ball. The operate is to change the rotary movement into liner motion, which is a further extension and growth of ball screw. The importance of this improvement is to go into a rolling bearing from sliding action With small friction, ball screws are widely used in numerous industrial equipment and precision instruments.

Items overview

Higher Dependability

TBI Motion or ERSK ball screw has really stringent quality management specifications covering every single generation procedure. With proper lubrication and use,problems-free operation for an prolonged period of time of time is possible.

Clean Procedure

The substantial performance of ball screws is vastly exceptional to typical screws. The torque needed is much less than 30%. Linear movement can be effortlessly transformed from rotary movement.

Higher Rigidity and Preload

When axial perform is minimized in standard screw-nut assemblies, the actuating torque gets to be abnormal and the procedure is not sleek. The axial play in TBI Movement or ERSK precision ball screws might be diminished to zero by preloading and a light-weight sleek operation is nevertheless attainable. herefore, both reduced torque and large rigidity can be attained simultaneously.TBI Motion or ERSK ball screws have gothic CZPT groove profiles which allow these problems to be achieved.

Circulation Approach

Ball return tube strategy.(V,E,S,Y type)Ball defelector method.(I,U,M,K type)

High Sturdiness

Rigidly chosen components, intensive warmth dealing with and processing methods, backed by a long time of encounter,have resulted in the most tough ball screws made.

Ball screw size are the very same as ZheJiang TBI ball screw shafts and nuts, they can be interchanged into each other

Detailed Pictures

We are CZPT to machinize the finish sides of ball screw shafts in accordance to your requirements

There are a lot of parts what can be matched into the ball screw, Make sure you
select what you require:

ERSK Ball Screw and it truly is areas
((( ball screw shaft, ball screw Nut, Nut housing, Coupling, End support unit )))

There are numerous various sequence of ball screw shaft with nut, like SFU series, SFS series, SFI series, SFY collection, DFU sequence, SFUL series, SFK collection.Each sequence has its very own traits, Let's look at the distinction in visual appeal and qualities.

Ball screw Attribute
one. Cold rolled ball screw
2. Gcr15 content
three. High-velocity operation
four. C5 C7 C10 precision
five. No gap and preloading
6. Quality as good as TBI model is substantial precision, lengthy existence use.
seven. Pay more interest to prior to-sale, in-sale, after -sales support.
eight. Manufacturer with large inventory & short supply

Cold Rolled Ball Screw Application:

one. Engraving machines 2. Large speed CNC equipment
four. Automobile-equipment. 3. Semi-Conductor equipment
5. Device instruments 6. Industrial Machinery
seven. Printing machine 8. Paper-processing device
9. Textiles machine ten. Digital equipment
11. Transportation equipment 12. Robot etc.

Rolled ball screws can not only be utilized in above general equipment, but also in several innovative industries. Rolled ball screw with a motor assembles electrical-mechanical actuator, which is far more eco-helpful than hydraulic pump program. These days it is utilized to electrical cars, photo voltaic power plants, railway devices and a lot of medical and CZPT equipments.

Set up Instructions

The way to assemble the ball screw nut in the ball screw shaft

Relevant items


Our provider

Above Provider and Our principle:

Good quality first, reliability is the key, the price adopted

Our Positive aspects

Packaging & Delivery

Packaging and shipping and delivery

PP bag for each and every linear shaft, Standard exported carton exterior for small buy shipping by international specific,this sort of as DHL, TNT, UPS,Picket box outside for massive amount or quite
extended linear shaft by sea, by air

Business Profile

Firm Info

HangZhou Wangong Precision Equipment Co., Ltd's ERSK brand is the foremost brand name of rolled ball screw and linear CZPT in China. We style and create our possess rolling equipment, and we can generate all varieties of screws and nuts or linear CZPT on customer's requests.
We generate chilly rolled ball screw in massive stock, Specification contain: 1204, 1604, 1605, 1610, 2004, 2005, 2571, 2505, 2510, 3205, 3210, 4005, 4571, 4571, 5005, 5571, 6310, and so on. (Having all kinds of models) the max size 6000mm, we recommend buyer acknowledge 3000mm, it really is effortless packing, straightforward and secure for transportation.

Related Items:
Ball screw finish help
Nut bracket
All individuals relative merchandise have big inventory.

Frequently Requested Inquiries
one. What's your primary products?
Chilly rolled ball screws, ball screw help units, Linear CZPT rails, Linear movement ball slide bearing, Cylinder rails, Linear shaft, Couplings, and so on.

2. How can I get a sample to verify your good quality?
After value affirmation, sample order is available to check out our quality.

three. When can I get the quotation?
We usually quote within 24 hours soon after we get your inquiry. If you are extremely urgent to get the value, you should call us or notify us in your electronic mail so that we will regard your inquiry precedence.

4. Can you do ball screw finish equipment processing?
Indeed. We have a skilled team having wealthy experience in stop machine processing, you should provide us the drawing with the tolerance and we will help you to make the ball screws based on the drawing.

five. How long is the lead time for mass generation?
Honestly, it is dependent on the order amount and the period you spot the order. The lead time of MOQ is about 7 to fifteen days. Normally talking, we suggest that you commence inquiry 2 months just before the date you would like to get the goods at your nation.

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Ball Screws - Dimensions, Purposes, and Benefits

Ball screws are well-liked, light-weight, precision mechanical factors. They are typically employed in equipment, gears, and knurled objects. These screw-like components can be effortlessly managed and lubricated employing oil. This write-up discusses their proportions, programs, and advantages. The following sections provide additional info to aid you pick the proper ball screw for your demands. We will examine some of the important characteristics of ball screws and what tends to make them so valuable.


A essential problem with nut-to-ball screw backlash is the ability of the nut to transfer freely on the threads of the ball screw. To fix this problem, a patented remedy was designed. The patent, 4,557,156, describes an modern strategy for preloading ball screws and nuts. By implementing a preloading nut, the threads of the ball screw are prevented from shifting back and forth with the nut.
A mechanical style that includes axial enjoy entails a lot of mass, inertia, and complexity. These qualities lead to put on and rust difficulties. Preloading ball screws making use of a dynamic method reduces mechanical complexity by permitting preload to be adjusted whilst the mechanism is managing. This also lowers the number of mechanical parts and simplifies manufacturing. Thus, the preloading approach of the present creation is beneficial.
The servo motors utilised in the system keep track of the output torque and change the electricity to a single motor in a dynamic way, thus producing a torque differential in between the balls. This torque differential in switch generates a preload force between the ball nuts. The servo motors' output torque is managed in this way, and the machine's backlash clearance can be exactly managed. That's why, the device can execute a number of tasks with elevated precision.
Many prior artwork approaches for preloading ball screws are explained 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 alongside. The stylized broken line signifies the basic situation of the axis of the ball roller screw 26. The corresponding ball screws are utilized in a number of programs. This strategy could be used to manufacture custom-sized screws.


Ball screws are mechanical components that roll balls through a groove. Inappropriate lubrication can lessen the daily life of these screw factors. Poor lubrication can guide to shaft damage, malfunction, and decreased performance. This report discusses the significance of proper lubrication and how to do it. You can learn how to correctly lubricate ball screws in the following paragraphs. Below are some tips to make sure long-time period overall performance and basic safety of ball screws.
The initial point you ought to do is determine the type of lubricant you'll be utilizing. Oils are favored due to the fact they have a tendency to continue to be inside the ball nut, and grease can build up in it. Oils also are inclined to have better anti-corrosion homes than grease. However, grease is far more probably to be clogged with particles than oils. So, before you decide on the lubricant which is right for your screw, make confident you wash it off.
The oil employed in ball screw lubrication need to be applied at a managed charge. It can prevent metallic-on-metallic get in touch with and cleanse out contaminants as it passes through the ball nut. Nevertheless, oil as a lubricant is costly and can contaminate the method if it mixes with the slicing fluid. Grease, on the other hand, is economical, demands much less purposes, and does not contaminate process fluids.
If you use a synthetic oil for lubrication, make confident to decide on a viscosity that is proper for the working temperature. Oil viscosity can increase the temperature of the ball screw assembly, and excessive oil can decrease its daily life. A correct quantity of oil will minimize the temperature of the ball screw assembly, even though as well little will enhance friction and use. Use the subsequent suggestions to establish the right volume of oil for your screw.


Dimensions of ball screws are a quite critical element to think about when figuring out the greatest variety for your software. Technological acceptance problems for ball screws specify the allowed deviations for the duration of acceptance checks. The tolerance class can also adjust, depending on the needs of a particular application. The subsequent table lists the most essential tolerance values for the entire selection of screw lengths. This desk is a useful manual when searching for a particular screw. The table underneath lists the dimensions of widespread ball screws.
The axial load used to a ball screw is .5 x Fpr / 2Fpr. The bare minimum screw diameter is acknowledged as the root diameter. The axial load causes 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 value of the ball screw has an effect on the dynamic load capability. A preload of 10 % is regarded satisfactory, whilst a value higher than this may compromise the screw's toughness. In general, a higher preload value will outcome in a reduce dynamic load capability and greater wear. Nonetheless, the preload value need to be calculated with the related screw parameters. This is since a higher preload benefit reduces the screw's sturdiness.
To ensure that your screw meets the specified parameters, the dynamic load ability need to be calculated. This is the sum of force a ball screw will face up to below a specified load. This calculation also contains energy checks. If you are using a ball screw for purposes that need to have extra energy, it may demand a security element. For case in point, if the screw is employed for double-axial mounting, then the outer ball nut should be inserted into the nut, causing a secondary load.


The existing invention supplies a easy, however hugely effective way to mount a ball screw. Its absence of insert slots or via holes makes it less difficult to assemble and offers a much more uniform nut. The absence of mechanical characteristics also lowers warmth therapy concerns, and the nut's hardness can be uniformly hardened. As a end result, the screw's all round performance is improved. Here are some examples of apps for ball screws.
Preloading is the process of applying pressure to a ball screw. This will increase the rigidity of the screw assembly and eradicates backlash, which is missing motion caused by clearance between the nut and ball. Backlash disrupts repeatability and precision. Spacer preloading includes inserting pressure between two ball nuts and transmitting it via the grooves. This approach is excellent when preloading is needed in big quantities. In addition to increasing rigidity, preloading can boost accuracy.
Ball screws call for watchful care in their working surfaces to prevent contamination. Rubber or leather-based bellows can be utilised to defend their surfaces, even though optimistic air strain can be used to the screw. Preloading eradicates backlash, a widespread problem amongst screw assemblies. In addition to the many programs for ball screws, they are also critical to laptop-managed motion-control techniques and wire bonding. And there are numerous a lot more examples. So what are the rewards of using these products?
The spring preloading program employs a spring in amongst two ball nuts, making use of 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 mechanism is more compact than the double nut system, but the lengthening of the lead decreases the ball screw's load ability. Its compact style makes it perfect for tiny clearance assemblies.


In addition to performing servicing duties yourself, the producer of ball screws should provide reverse engineering services that will allow them to determine certain troubles. The procedure of reverse engineering makes it possible for ball screw makers to create new ball screws and areas. In the function that a ball screw is over and above repair, a manufacturer can typically conserve a important quantity of funds by restoring it instead of changing it. In addition to restoring a ball screw, the manufacturer need to also supply totally free analysis providers for the ingredient. Reconditioning and substitution include the use of new components, while reloading and substitute replace the screw.
Carrying out program servicing checks on ball screw assemblies is important for keeping best efficiency and extending their service existence. Overtime, too much dress in can lead to a selection of troubles, such as backlash, vibration, and ball bearing sounds. In addition, the enhanced friction boosts the essential torque for turning a screw, creating system failure and considerable downtime. To make certain that a ball screw is entirely functional, it must be checked for use and maintain the suitable lubrication program.
Discoloration or pitting on a ball screw implies that it is in need of repair. The very same is true if there are chatter marks in the ball groove. Frequently, a ball screw demands a new lubrication seal or wipers. In addition, it may possibly be missing or more than-wearing, which could result in long term failure. Lastly, extreme electrical power attract could be a indicator of incorrect lubrication or poor set up.
Appropriate servicing is important for any equipment resource. When performed correctly, device tools can last decades with continuous use. Correct treatment and upkeep is important to make certain long daily life and best performance. In addition to strengthening equipment device uptime, correct maintenance has an effect on the precision and repeatability of the end solution. As a result, top quality device instrument makers focus on the performance and longevity of ball screws. They produce innovative styles and lubricants to optimize the lifespan of their merchandise.

China best Big Lead Ball Screw for CNC Machine     near me supplier China best Big Lead Ball Screw for CNC Machine     near me supplier

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