China Good quality CNC Ball Screw Sfs 1616 Sfs1620 with End Machining + Ball Screw Nut Sfs1620 wholesaler

Item Description

Ball Screw Series


Goods We Source:


HIWIN: HG, WE, RG, MGN, QH, QE, PG, CG Sequence
CPC: MR, ST Series
CSK: LMG, End-M, CS Series
PMI: HG, EG, MGN/MGW Collection
TBR: TM, TR Series
TBI, REXROTH, IKO, SBR, and so on

HGH20CA  HGW20CA    HGL25CA   EGH15CA  EGW15CA   CGH15HA     CGW15HA    MGN7C    MGW7C
HGH20HA  HGW20HA     HGL25HA    EGH20SA  EGW20SA   CGH20CA    CGW20CA   MGN7H    MGW7H
HGH35HA  HGW35HA    HGL45HA    EGH35SA   EGW35SA   CGH35CA    CGW35CA   MGN15H  MGW15H
SNR25R       SNR25C        SHW17CA   HSR20CA   GSR15T           SRS9WM       RSR15
SNR25LR    SNR25LC     SHW27CA   HSR20A      GSR15TUU        SRS12           RSR15ZM
SNR35R       SNR35C       SHW21CR   HSR25A      SRS9XM           RSR15WV     SRS5M
SNR35LR     SNR35LC    SHW12CR   HSR15CA    SRS15XM        RSR15ZM      SRS7M
SNR45R       SNR45C      HSR25CA   SRS12M      RSR12VM        SNR45LR       SNR45LC   
SNR55LR     SNR55LC   HSR55R      SRS9KM      HSR45A          SRS15M        HSR65HA                                    SSR20XV    SHS15C        HR1530UU     SRG55LC     HRW21CR     NR45R             SVR45C  
SR15W      SSR25XV      SHS25C    HR4085TUU   SRG45LR         HRW21CA    NR45LR
SHS35C     HR3575TUU  SRG20LV      HRW17CA     NR65R          SNS35R
MSA15A           MSA15E         MSA15S       MSB15T         MSB15TS        MSR25E       MSR25S
MSA20A           MSA20E        MSA20S         MSB15E            MSB15S           MSR25LE     MSR25LS
MSA20LA        MSA20LE      MSA20LS      MSB20TE         MSB20TS        MSR30E      MSR30S
MSA25A           MSA25E       MSA25S          MSB20E            MSB20S           MSR30LE     MSR30LS
MSA25LA        MSA25LE     MSA25LS       MSB25TE         MSB25TS        MSR35E        MSR35S
MSA30A        MSA30E        MSA30S          MSB25E         MSB25S           MSR35LE     MSR35LS
MSA30LA      MSA30LE     MSA30LS       MSB30TE         MSB30TS        MSR45E      MSR45S
MSA35A        MSA35E        MSA35S        MSB30E             MSB30S           MSR45LE      MSR45LS
MSA35LA      MSA35LE     MSA35LS     MSB35TE         MSB35TS      MSR55E         MSR55S
MSA45A          MSA45E        MSA45S         MSB35E            MSB35S        MSR55LE     MSR55LS
MSA45LA       MSA45LE     MSA45LS     MSB35LE         MSB35LS       MSR65LE      MSR65LS
MSC7M       MSD7M       SME15EA             SME15EB        SME15SA           SME15SB         SMR25E         SMR25S
MSC7LM      MSD7LM       SME15LEA         SME15LEB      SME15LSA        SME15LSB     SMR25LE       SMR25LS
MSC9M       MSD9M       SME20EA            SME20EB         SME20SA           SME20SB         SMR30E         SMR30S
MSC9LM     MSD9LM       SME20LEA         SME20LEB       SME20LSA        SME20LSB      SMR30LE      SMR30LS
MSC12M      MSD12M       SME25EA         SME25EB         SME25SA            SME25SB        SMR35E         SMR35S
MSC12LM   MSD12LM    SME25LEA         SME25LEB      SME25LSA         SME25LSB      SMR35LE     SMR35LS

Domestic Option


FLOWTECH Machinary & Engineering

HangZhou FlowTech Machinary & Engineering Co., Ltd. as the agent of the manufacturer mechanical CZPT rail. With the accrued information and specialist abilities over the years, will provide users with a range of brand names and designs to pick, experiencing the foreseeable future growth.
Firm's primary
Japan THK, ZheJiang CPC, CSK, PMI, HIWIN, TBI, Inquire, and domestic brand names of linear manual, rolling guide, miniature CZPT rail and other rail products, suitable for grinding device, lathe, drilling equipment, integrated device, wire slicing device, precision measuring instrument sector automation equipment, packaging machines, digital equipment, semiconductor equipment, semiconductor tools, and other fields.
Adhering to the "integrity-dependent" company philosophy, we will give entire play to the understanding and experience we have, to give the best quality service for the greater part of end users.

Payment & Supply



Why Pick Us? (Our Aggressive Gain)
· Factory outlet, large quality, low-cost and cheerful!
· Unique CZPT line, minimal transport value.
· DDP price tag for some international locations, involves all cost, delivery door to door!

Constantly with complete enthusiasm. sincere cooperation mindset and CZPT organization philosophy, we warmly welcome your inquiry!

Specifying a Ball Screw

When you need to have a higher-high quality ball screw, it is important to select one particular with the suitable proportions and specs. When you are seeking for the ideal merchandise, you need to consider attributes such as preloading, surface end, and interior return program. You can discover far more about these functions in this article. If you're uncertain which variety of ball screw to decide on, get in touch with a respected supplier for more guidance. To locate the very best item for your wants, click below!


When specifying a Brinelling ball screw, it is essential to know how significantly axial load it can securely bear. The static load capacity, 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 is not going to pose a problem. For a lot more info, make contact with a CZPT engineer. Brinelling ball screw support daily life calculation ought to be performed making use of the pursuing info:
Preload: The sum of load a ball screw can handle for the duration of a single revolution. Preload is the load utilized just before the ball screw starts off relocating, and the load is normally among 5 and 10 percent of the dynamic ability. Even so, a ball screw that is matter to vibration will experience greater preload, requiring more recurrent lubrication. The ensuing mechanical stress could trigger the ball screw to buckle, or trigger the nut to re-flow into the balls.
Vital ball pace: The highest speed at which the ball can shift via the ball nut is known as the crucial ball pace. In contrast, managing the ball screw at its vital shaft velocity can lead to excessive vibrations, major to premature failure of the conclude assist bearings and brinelling of the ball monitor. Hence, it is advisable to run a ball screw at a reduced speed than the vital ball speed to avoid brinelling and plastic deformation of the balls.
False brinelling: False brinelling is a form of Fretting. False brinelling occurs when the bearings are not rotating. The motion will outcome in depressions or dress in marks in the bearing raceway. This will cause sound, wear, and eventual exhaustion. If these conditions persist, a newer ball screw should be used to check the program. The machine ought to be operate for several hours and tested prior to replacing the bearing.


The process of preloading ball screws minimizes backlash by implementing strain to the threads in the opposite path of the screw's path of rotation. It prevents any motion of the screw relative to the nut. Numerous approaches are employed for preloading. A frequent one particular is to use oversized balls within the ball nut. A double nut technique could also be utilised. The two strategies are similarly effective. Irrespective of the strategy utilised, the conclude consequence is the very same - small backlash and elevated effectiveness.
In the standard strategy of preloading ball screws, the motors operate at the same time in opposite instructions, creating them to have a relative motion of approximately equivalent magnitudes. This decreases the frictional resistance of the system, ensuing in quick traverse. The program is ready to run with nominal backlash for the duration of one hundred ten inches of travel, decreasing the warmth designed by the push nuts and the issues connected with ball screw heating. Moreover, this approach can be utilised in a vast assortment of apps.
Yet another approach of preloading ball screws is identified as the ball-choose approach. This strategy contains the use of above-sized balls that force the balls into more contacts with the screw and nut than a typical ball screw. The advantage of this strategy is that it lowers backlash due to the fact the balls are not machined to substantial tolerances. The downside of this strategy is that the ball screw will cost a lot more to manufacture than a common ball screw and nut.
A conventional layout involves a mechanical system that uses a series of balls to rotate a shaft. The dilemma of backlash is exacerbated by the mass of the shaft. The mechanical program is a lot more sophisticated than necessary and usually calls for a good deal of energy. The present invention gets rid of these troubles by providing an improved strategy and apparatus for driving ball screws. This method provides a far more productive preload power that is dynamically adjustable whilst the system is working. The technique can also enhance friction and use.

Internal return program

There are two distinct sorts of ball screws. The initial kind is exterior and the 2nd is inside. The external type utilizes return tubes that protrude from the ball nut and prolong above and close to the outside of the screw. The inner variety uses a single tube that spans the ball monitor, although the much more widespread style utilizes several tubes spanning 1.5 to 3.5 ball tracks. The inside program entails a single return tube and several pickup fingers that information the balls into the tubes.
The external return tube design is an less difficult, significantly less pricey option. The exterior ball return method has limited room but can manage a broad variety of shaft diameters and leads. Nonetheless, its actual physical dimension can make it incompatible with numerous large-pace apps. Consequently, careful consideration must be offered to the mounting options. Interior ball return techniques are greatest suited for modest leads and ball dimensions. Those that require a high pace will most likely benefit from the exterior ball return method.
Inner ball screw technological innovation has also kept pace with the demands of linear drive programs. Ball screw engineering is now far more resilient than ever. Robust inside ball return methods flow into ball bearings through a solid pickup pin. These deflectors assist the balls return to the screw in the appropriate place. They are essential parts in pc-controlled movement manage programs and wire bonding. If you're fascinated in the most current advances in linear screw technologies, make contact with us today.
Ball screws are superior to guide screws in a lot of ways. Ball screws are more productive than guide screws, changing ninety% of rotational movement into linear movement. As a outcome, they are far more pricey than direct screws and acme screws. They also give a smoother motion above the complete journey range. Moreover, they require much less electrical power for the identical functionality. It really is no question that the ball screw is so well-known in a lot of diverse apps.

Floor complete

The surface area end of a ball screw is one particular of the key elements in identifying the efficiency of the program. A ball screw with a excellent floor complete has superior functionality in rolling resistance, backlash, and wear characteristics. Nevertheless, it is critical to enhance the surface area finish of a ball screw to accomplish precision motion, reduced use, and low noise. To accomplish this, particular wire brushes will be utilized to polish precision-ground shafts.
For a ball screw to complete well, it have to be difficult, have a sleek surface, and retain lubricant. The area finish of a ball screw must be smooth, free of cracks, and keep the lubricant well. Cracks and annealing are each undesirable for the duration of the producing method, so a top quality device need to be utilized for its area end. For the duration of the generation method, a CBN reducing insert with entire spherical or gothic arch profile can be utilised to obtain a high-high quality area finish.
An additional ending procedure utilized in the manufacture of ball screws is lapping. Lapping enhances surface area top quality and journey variation. It includes complicated relative actions of abrasive particulates with the workpiece. This gets rid of a slender layer of materials from the workpiece, improving its surface area good quality and dimensional accuracy. The lapping process can be carried out under lower-force situations. It also enhances the friction torque and lubrication.
In lapping experiments, friction torque has the largest impact on travel variation and surface area roughness. A friction torque of about a single N x m is optimum. In addition, rotational speed has only a minimum impact. The very best combination of these parameters is 1-1.5 N x m and thirty rpm. The bare minimum surface area end of a ball screw is about 800 mesh. The smallest variation in travel is observed at about fifty percent-way by means of the travel.


Suitable lubrication of ball screw assemblies is vital to preserve optimum functionality and daily life. Ball screw assemblies should be lubricated with grease, which is released immediately into the ball nut. The lubrication port can be located at different spots on the merchandise, which includes on the flange or in the external threads of the ball nut. Some ball nuts also characteristic a zerk fitting for easier lubrication.
The lubrication of ball screws is necessary in the case of operating circumstances more than 100oC. The minimal load for a ball screw is generally realized with a preload pressure. The lubricant is conveyed by means of the slim lubrication gap because of to the relative motion of the two surfaces. The improved viscosity of the lubricant allows separation of the get in touch with surfaces. To keep away from over-lubrication, it is essential to check out the lubricant level regularly.
The oil used in lubrication of ball screw assemblies can be either mineral or synthetic. The oil is composed of mineral or artificial oil, additives, and a thickening agent, such as lithium or bentonite. Other thickening agents consist of lithium, barium complexes, or aluminum. The lubricant quality NLGI is a extensively utilised classification for lubricating greases. It is not adequate to decide on a distinct kind of lubricant for a particular software, but it provides a qualitative evaluate.
In spite of being crucial to the performance of a ball screw, lubrication is also important to its lifespan. Different types of lubricant supply corrosion security. Just before utilizing a lubricant, make certain to completely thoroughly clean and dry the ball screw. If there is any buildup of filth, it may possibly injury the screw. To avert this from happening, you can use a solvent or lint-free of charge cloth. Lubrication of ball screw assemblies can significantly prolong the existence of the assembly.

China Good quality CNC Ball Screw Sfs 1616 Sfs1620 with End Machining + Ball Screw Nut Sfs1620     wholesaler China Good quality CNC Ball Screw Sfs 1616 Sfs1620 with End Machining + Ball Screw Nut Sfs1620     wholesaler

Recent Posts