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There are two commonly used circulation methods for THK Ball Screw: outer circulation and inner circulation. The ball that sometimes disengages from the screw during the cycle is called the outer loop; the ball that always keeps in contact with the screw is called the inner loop. Each closed loop of the ball is called a row, and the number of leads contained in each closed loop of the ball is called the number of turns. Next, we will specifically introduce the outer loop and inner loop of the THK Ball Screw. Here are some answers.

Here is the content list:

The outer loop of THK Ball Screw.

The inner loop of the THK Ball Screw.

The outer loop of THK Ball Screw.

The outer circulation means that the balls return to the THK Ball Screw through the spiral groove or intubation on the outer surface of the nut after the circulation process is over. The return method of the outer circulation THK Ball Screw pair according to the ball circulation mainly includes the end cap type, the intubation type, and the spiral groove type. Commonly used external circulation methods include end cap type, intubation type, and spiral groove type.

In the end cap type, a longitudinal hole is machined on the nut as a return passage for the balls. The cover plates at both ends of the nut have return ports for the balls, and the balls enter the return pipe to form a cycle. The intubation type uses the elbow as the return pipe. This structure has good manufacturability, but because the pipe protrudes from the nut body, the radial dimension is relatively large. The spiral groove type is to mill a spiral groove on the outer circle of the nut. The two ends of the groove are drilled with through holes and are tangent to the threaded raceway to form a return channel. This structure has a smaller radial size than the cannula structure, but it is more manufactured.

complex. The outer circulation structure and manufacturing process of the THK Ball Screw is simple and widely used. The disadvantage is that it is difficult to smooth the joints of the raceways, which affects the stability of the ball raceways.

The inner loop of the THK Ball Screw.

The inner circulation of the THK Ball Screw adopts a reverser to realize ball circulation. There are two types of inverters. The cylindrical part of the cylindrical convex key reverser is embedded in the nut, and the end is provided with a reverse groove. The reverse groove is positioned by the cylindrical outer surface and the round key on the upper end to ensure the alignment of the thread raceway direction. Oblate insert reverser, the reverser is a general round head flat key insert, the insert is embedded in the slot of the nut, and the end is opened with a reverse groove, which is positioned by the outer contour of the insert. Comparing the two inverters, the latter has a smaller size, which reduces the radial size of the nut and shortens the axial size. However, the outer contour of this kind of reverser and the dimensional accuracy of the slot on the nut is required to be high.

Our official website is https:// www.dks-linear.com/. If you want to buy THK Ball Screw or want to know more about our company, you can communicate with us on the website.

THK Linear Guide Model List:

THK HSR product line; Adopts the recognized international standard of all-steel ball four-direction load type, can be used in a variety of installation postures, main uses; Machining center, NC lathe, gantry milling, EDM shaft, stereo parking lot, etc.

HSR nominal model; Nominal model; HSR15, HSR20, HSR25, HSR30, HSR35, HSR45, HSR55, HSR65, HSR85HSR-A type; The screw mounting hole is processed in the flange part of the LM slider. The model is as follows: standard type; HSR15A, HSR20A, HSR25A, HSR30A, HSR35A, HSR45A, HSR55A, HSR65A, HSR85A, elongated type; HSR15LA, HSR20LA, HSR25LA, HSR30LA, HSR35LA, HSR45LA, HSR55LA, HSR65LA, HSR85LA,

Stainless steel type; HSR15AM, HSR20AM, HSR25AM, HSR30AM, HSR35AM, stainless steel elongated type; HSR15LAM, HSR20LAM, HSR25LAM, HSR30LAM, HSR35LAM, HSR-B type; In the flange of the LM slider, the through hole installation hole is processed, which can be used for the situation that the worktable can not process and assemble the bolt hole. The model is as follows, the standard type; HSR15B, HSR20B, HSR25B, HSR30B, HSR35B, HSR45B, HSR55B, HSR65B, HSR85B, elongated type; HSR15LB, HSR20LB, HSR25LB, HSR30LB, HSR35LB, HSR45LB, HSR55LB, HSR65LB, HSR85LB,

Stainless steel type; HSR15BM, HSR20BM, HSR25BM, HSR30BM, HSR35BM, 

stainless steel elongated type; HSR15LBM, HSR20LBM, HSR25LBM, HSR30LBM, HSR35LBM,

HSR-R type; HSR - R; LM slider width (W) is small, machining threaded machining holes, this model is most suitable for compact structure design, standard type; HSR15R, HSR20R, HSR25R, HSR30R, HSR35R, HSR45R, HSR55R, HSR65R, HSR85R, elongated type; HSR20LR, HSR25LR, HSR30LR, HSR35LR, HSR45LR, HSR55LR, HSR65LR, HSR85LR, stainless steel type; HSR8RM, HSR10RM, HSR12RM, HSR15RM, HSR20RM, HSR25RM, HSR30RM, HSR35RM, 

stainless steel elongated type; HSR20LRM, HSR25LRM, HSR30LRM, HSR35LRM, HSR-YR type; When using the two face each other when LM guide unit, the past model in processing desktop takes more time, and to meet the requirements of precision and clearance adjustment difficulties, but as a result of HSR - YR in LM on the side of the slider with a threaded hole, thus simplifies the structure, and significantly reduces the cycle time, improve the machining accuracy.

Its models are as follows; Standard type; HSR - YR; LM slider width (W) is small, machined threaded machining hole, this model is most suitable for compact structure design,

Standard type; HSR15YR, HSR20YR, HSR25YR, HSR30YR, HSR35YR, HSR45YR, HSR55YR, HSR65YR, HSR85YR,

Add long type; HSR20LYR, HSR25LYR, HSR30LYR, HSR35LYR, HSR45LYR, HSR55LYR, HSR65LYR, HSR85LYR,

Stainless steel type; HSR8YRM, HSR10YRM, HSR12YRM, HSR15YRM, HSR20YRM, HSR25YRM, HSR30YRM, HSR35YRM,

Stainless steel elongated type; HSR20LRM, HSR25LRM, HSR30LRM, HSR35LRM, 

stainless steel type; HSR15YRM, HSR20YRM, HSR25YRM, HSR30YRM, HSR35YRM, HSR-CA type; 

6 Bolt type, LM slider has 6 threaded holes, the model is as follows; Standard type; 

HSR20CA, HSR25CA, HSR30CA, HSR35CA, HSR45CA, HSR55CA, HSR65CA, HSR85CA, stainless steel type; HSR20CAM, HSR25CAM, HSR30CAM, HSR35CAM, HSR-CB type; 6 Bolt type, LM slider has 6 through hole mounting holes, which can be used for the situation that the worktable can not drill and assemble bolt holes, the models are as follows;

Standard type; HSR20CB, HSR25CB, HSR30CB, HSR35CB, HSR45CB, HSR55CB, HSR65CB, HSR85CB, stainless steel type; HSR20CBM, HSR25CBM, HSR30CBM, HSR35CBM, HSR-HA type; It has the same cross section shape as the HSR-CA type, lengthen the length (L) of the LM slider and increase the rated load capacity. The models are as follows;

Standard type; HSR20HA, HSR25HA, HSR30HA, HSR35HA, HSR45HA, HSR55HA, HSR65HA, HSR85HA, stainless steel type; HSR20HAM, HSR25HAM, HSR30HAM, HSR35HAM, HSR-HB type; It has the same cross section shape as HSR-CB type, lengthens the length (L) of LM slider and increases the rated load capacity. The models are as follows;

Standard type; HSR20HB, HSR25HB, HSR30HB, HSR35HB, HSR45HB, HSR55HB, HSR65HB, HSR85HB, 

stainless steel type; HSR20HBM, HSR25HBM, HSR30HBM, HSR35HBM, THK SHS product line;

The steel ball rolls along the LM track and the four rows of rolling surfaces on the LM slider after precision machining, and through the end cover plate assembled on the steel ball interval reholder and the LM slider, the steel ball column circulates in motion, maintains a lower friction coefficient, greatly reduces the noise during operation and prolongs the service life.

SHS basic model; SHS15, SHS20, SHS25, SHS30, SHS35, SHS45, SHS55, SHS65, SHS-C; The flange part of the LM slider has been processed with threaded holes, which can be installed in any direction from top to bottom. It can be used in the case that the platform cannot open through holes for installation. The models are as follows;

Standard; SHS15C, SHS20C, SHS25C, SHS30C, SHS35C, SHS45C, SHS55C, SHS65C, elongated type; SHS15LC, SHS20LC, SHS25LC, SHS30LC, SHS35LC, SHS45LC, SHS55LC, SHS65LC, SHS-V type; Reduce the width of the LM slider (W) to implement the threaded hole processing model, can be used in the platform width space of the smaller parts of the model is as follows;

Standard; SHS15V, SHS20V, SHS25V, SHS30V, SHS35V, SHS45V, SHS55V, SHS65LV, elongated; SHS15LLV, SHS20LLV, SHS25LLV, SHS30LLV, SHS35LLV, SHS45LLV, SHS55LLV, SHS65LLV,

SHS - YR; The width of the LM slider is reduced (W). The installation part implements the threaded hole processing and inherits the height size of the HSR-R type of the full steel ball LM rolling guide rail pair

Standard; SHS15R, SHS20R, SHS25R, SHS30R, SHS35R, SHS45R, SHS55R, 

elongated type; SHS15LLR, SHS20LLR, SHS25LLR, SHS30LLR, SHS35LLR, SHS45LLR, SHS55LLR, 

THK SSR product series; Small radial type, low installation height, small size, strong radial load capacity, most suitable for linear guide system, because of the use of steel ball retainer, eliminate the friction between the steel balls, and increase the storage space of grease Therefore,

it has low noise, excellent high-speed performance, long service life, long-term maintenance-free, and its models are as follows; SSR15XWY, SSR15XWMY, SSR20XW, SSR20XWM, SSR25XWY, SSR25XWMY, SSR30XW, SSR30XWM, SSR35XW

SSR15XVY, SSR15XVMY, SSR20XV, SSR20XVM, SSR25XVY, SSR25XVMYSSR15XTBY, SSR20XTB, SSR25XTBY

THK; SNR/SNS series due to the steel ball ball holder to maintain, the use of circular structure, so there is no friction between the steel ball, with a long service life, long-term maintenance free, excellent high-speed movement performance, and overweight load, high rigidity, high failure reduction and so on SNR25R, SNR25LR, SNR30LR, SNR30LR, SNR35R, SNR35LR, SNR45R, SNR45LR, SNR55R, SNR55LR, SNR65R, SNR65LR

SNS25R, SNS25LR, SNS30R, SNS30LR, SNS35R, SNS35LR, SNS45R, SNS45LR, SNS55R, SNS55LR, SNS65R, SNS65LR

SNR25C, SNR25LC, SNR30C, SNR30LC, SNR35C, SNR35LC, SNR45C, SNR45LC, SNR55C, SNR55LC, SNR65C, SNR65LC,

SNS25C, SNS25LC, SNS30C, SNS30LC, SNS35C, SNS35LC, SNS45C, SNS45LC, SNS55C, SNS55LC, SNS65C, SNS65LC,

THK; SRG/SRN series use roller interval retainers, low friction smooth movement, and ultra-high rigidity roller guideways to achieve long-term maintenance free.

SRG15A, SRG15LA, SRG20A, SRG20LA

SRG25C, SRG25LC, SRG30C, SRG30LC, SRG35C, SRG35LC, SRG45C, SRG45LC, SRG55C, SRG55LC, SRG25R, SRG25LR, SRG25LR, SRG30R, SRG30LR, SRG35R, SRG35LR, SRG45R, SRG45LR, SRG55R, SRG55LR, SRG15V, SRG20V, SRG20LV, SRG65LV,

SRN35C, SRN35LC, SRN45C, SRN45LC, SRN55C, SRN55LC, SRN65LC, SRN35R, SRN35LR, SRN45R, SRN45LR, SRN55R, SRN55LR, SRN65LRTHK;

RSR/RSR-W series because the steel ball has a steel ball retainer to maintain, the use of circular structure, so there is no friction between the steel ball, has a long service life, long-term maintenance free, excellent high-speed movement performance, and heavy load, high rigidity, 

high failure reduction RSR3M RSR5M RSR7M RSR9KM RSR12VM RSR20VMRSR3N RSR5N RSR7N RSR9N RSR12N RSR15N RSR20NRSR3WM RSR5WM RSR7WM RSR9WV RSR12WV RSR14WV RSR15WVRSR3WN RSR5WN RSR7WN RSR9WN RSR12WN RSR15WNRSR9VM RSR12VM RSR15VM

THK; HRW type can carry loads in four directions: radial direction, reverse radial direction and lateral direction.

HRW - CA; HRW17 CA HRW21CA HRW27CA HRW35CA HRW50CA HRW60CAHRW-CAM type; HRW17CAM HRW21CAM HRW27CAM HRW35CAM HRW50CAM HRW60CAMHRW-CM type; HRW17CR HRW21CR HRW27CR HRW35CR HRW50CR  HRW-CRM type; HRW17CRM HRW21CRM HRW27CRM HRW35CRM HRW-LRM type; HRW12LRM HRW14LRM

IKO Linear Motion Guides are used in high-precision or high-speed linear reciprocating motion applications, and can bear a certain torque, and can achieve high-precision linear motion under high load. With the development of science and technology, people have higher and higher requirements for the quality of IKO Linear Motion Guides, and they are used more and more frequently. Next, let us talk about more information about IKO Linear Motion Guides. Here are some answers.

Here is the content list:

• IKO Linear Motion Guides can be aligned automatically.

• The role of IKO Linear Motion Guide.

• The application field of IKO Linear Motion Guide.

IKO Linear Motion Guides can be aligned automatically.

IKO Linear Motion Guides and other free combinations, during installation, even if the mounting surface has somewhat deviated, it can be absorbed by the linear rail slider to produce the effect of automatic centering ability, to obtain high-precision and stable smooth motion. Due to strict control of the manufacturing precision, the size of the IKO Linear Motion Guide can be maintained within a certain level, and the slider has a retainer design to prevent the steel ball from falling off, so part of the series accuracy is interchangeable. Customers can order rails or sliders according to their needs, or store rails and sliders separately to reduce storage space.

The role of IKO Linear Motion Guide.

The function of the IKO Linear Motion Guide is to support and guide the moving parts, and to make a reciprocating linear motion in a given direction. According to its friction properties, IKO Linear Motion Guides can be divided into sliding friction guides, rolling friction guides, elastic friction guides, fluid friction guides, and other types. Linear bearings are mainly used in automated machineries, such as machine tools, bending machines, laser welding machines, etc. Of course, linear bearings and linear shafts are used together. For example, IKO Linear Motion Guides are mainly used in mechanical structures that require relatively high precision. It uses rolling steel balls instead of intermediate media between moving components and fixed components.

The application field of IKO Linear Motion Guide.

Our company's main business includes IKO Linear Motion Guides, ball screws, rotary splines, single-axis robots, linear bearings, screw support seats, couplings, and other precision parts for automated machinery and equipment. IKO Linear Motion Guides and other products are widely used in robotics, electronic equipment, vision equipment, semiconductor equipment, industrial robots, packaging machinery, medical machinery, woodworking machinery, food machinery, office equipment, machine tool testers, measuring instruments, and other related automated machinery fields.

Our official website is www.dks-linear.com. If you are interested in our IKO Linear Motion Guide products or have other needs, please feel free to contact us. Our products range from slide-guided linear guides, cylindrical roller linear guides to shaft-guided ball splines, etc. Their quality and excellent performance have been recognized by the majority of users and won high praise. Therefore, we are also confident that you will be satisfied with our high-quality and cost-effective products.