Item Description
Tmd12s Linear Rail Full Closed Ball Screw for Laser Cutting
Tiayou TMH Series
TMD12 linear module, 2 guides and 1 slider, with high precision, multi-phase repeat positioning, compact structure, sturdy flexibility.
Maximum stroke: 1050mm
Repeat accuracy: +-.01mm
Greatest speed: 1600mm/s
Easy upkeep
Extended stoke with no lowering velocity
Large rigidity mainframe and include: 1 pieceestruded aluminum composition for optimal rigidity and fat ratio.
Selection of application:Â
It can be used in combination with solitary or several axes. It is simple to match the essential workpieces in different industries and it becomes a straightforward and practical mechanical arm. It is primarily employed in dustfree workshops or unique fields these kinds of as electronics and health-related tools, this sort of as film, Depreciation, IC printing, CCD on-line inspection, exact positioning detection of soldering automation products, laser furthermore(laser reducing/laser marking/laser engraving/laser drilling,etc.) precision assembly, precision machine resources, semiconductor generation equipment, location detection, electronic manufacturing products , and 3D printing equipment and other fields.
Our Support
1. Our products use large-top quality supplies and adopt experienced processing methods.
2. The goods of every series are quite abundant. If you never see them on the web page, you should contact buyer services.
three. Our goods offers 2 several years warranty.Â
4. We can acknowledge personalized processing only if you supply drawings.
five. Our quotation is ex-factory unit price tag. Freight needs to be borne by you. Make sure you check with the freight.
6. Beneath typical circumstances, the products will be shipped in 20 times.
7. Our firm always listens to your tips, if your opinions are favorable.
Our  Company & team
Tiayo is a China-based company specializing in the R&D, manufacturing, advertising, project consultancy of linear module in the automation business, which was proven considering that 2007. We are situated in HangZhou city, with handy transportation obtain.  Our product series consist of but not restricted to ball screw pushed linear module,
belt pushed linear module, linear motor, XY stage, XYZ stage and so on. All of them comply with intercontinental
good quality requirements and are significantly appreciated in a selection of diverse markets through the globe.Â
Our Factory
Top quality handle from materials source and we settle for OEM support. if you want to customise product, get in touch with us freely and send me your requirement. We will customize for you.
Our Exhibition
Tiayo aims to be linear transmission,pneumatic parts & vacuum factors company,meanwile we are a linear module manufacturer. We hope to give a entire resolution for automation industry to make effective foreseeable future.Â
FAQ:
one. Why choose us?
a: With qualifications more than ten several years
b.Rigorous Inspection ,and the ideal good quality price with reasonable price bearings supplied .
c.OEM services supplied.
d. Shipping goods from our manufacturing unit warehouse , shipping and delivery time is short .
e. Soon after sale support at any time .
two. Need to I fret about the top quality?
We  import ISO9001 high quality administration procedures,with 3D tests equipments to make certain accuracy.We also cooperate with Japanese organization developing up a rigid quality manage program.All our modules were a hundred% inspected ahead of leaving manufacturing unit.
three. How do I pay out?
My good friend, there are a lot of ways. T/T(we choose this a single), Western Union, L/C, choose your preferred one particular.
4. How's soon after-sale support?
If, unfortunatly, you received faulty items, dont fret, speak to me freely. Imagine us, it will be a content ending.We have a  perfect  after-sale technique.
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Specifying a Ball Screw
When you want a large-top quality ball screw, it is essential to pick a single with the suitable dimensions and specs. When you are seeking for the best item, you need to contemplate functions such as preloading, surface area end, and interior return method. You can learn more about these characteristics in this article. If you are unsure which type of ball screw to pick, speak to a reliable provider for even more assistance. To uncover the best item for your demands, click on listed here!
Brinelling
When specifying a Brinelling ball screw, it is vital to know how significantly axial load it can safely bear. The static load ability, 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 won't pose a issue. For far more data, make contact with a CZPT engineer. Brinelling ball screw services lifestyle calculation must be carried out making use of the subsequent data:
Preload: The volume of load a ball screw can handle during a solitary revolution. Preload is the load utilized prior to the ball screw starts transferring, and the load is normally amongst five and ten percent of the dynamic ability. Nevertheless, a ball screw that is matter to vibration will knowledge greater preload, requiring a lot more frequent lubrication. The resulting mechanical anxiety might result in the ball screw to buckle, or cause the nut to re-circulate the balls.
Vital ball velocity: The highest speed at which the ball can transfer by means of the ball nut is referred to as the essential ball pace. In contrast, managing the ball screw at its critical shaft velocity can direct to abnormal vibrations, foremost to premature failure of the stop assist bearings and brinelling of the ball keep track of. Therefore, it is recommended to run a ball screw at a reduce pace than the essential ball velocity to avoid brinelling and plastic deformation of the balls.
Fake brinelling: False brinelling is a type of Fretting. Fake brinelling happens when the bearings are not rotating. The motion will consequence in depressions or wear marks in the bearing raceway. This will lead to sounds, wear, and eventual fatigue. If these circumstances persist, a newer ball screw need to be utilized to check the technique. The equipment must be operate for numerous hrs and analyzed ahead of changing the bearing.
Preloading
The procedure of preloading ball screws minimizes backlash by making use of strain to the threads in the opposite course of the screw's course of rotation. It helps prevent any movement of the screw relative to the nut. A variety of techniques are utilized for preloading. A common 1 is to use oversized balls inside of the ball nut. A double nut method could also be utilized. Both strategies are equally efficient. Irrespective of the approach utilised, the conclude outcome is the identical - small backlash and enhanced efficiency.
In the standard strategy of preloading ball screws, the motors run simultaneously in reverse instructions, causing them to have a relative motion of roughly equal magnitudes. This reduces the frictional resistance of the system, resulting in speedy traverse. The technique is in a position to operate with minimum backlash for the duration of 110 inches of journey, decreasing the warmth designed by the drive nuts and the troubles linked with ball screw heating. Additionally, this strategy can be utilized in a vast selection of purposes.
An additional method of preloading ball screws is acknowledged as the ball-select technique. This approach contains the use of more than-sized balls that drive the balls into far more contacts with the screw and nut than a normal ball screw. The advantage of this method is that it minimizes backlash simply because the balls are not machined to high tolerances. The disadvantage of this approach is that the ball screw will cost more to manufacture than a common ball screw and nut.
A standard design and style consists of a mechanical mechanism that utilizes a collection of balls to rotate a shaft. The issue of backlash is exacerbated by the mass of the shaft. The mechanical program is a lot more intricate than required and often calls for a lot of energy. The existing creation eradicates these issues by delivering an enhanced approach and equipment for driving ball screws. This technique provides a far more efficient preload pressure that is dynamically adjustable even though the system is operating. The method can also boost friction and put on.
Inside return program
There are two distinct varieties of ball screws. The very first sort is external and the second is inner. The exterior kind makes use of return tubes that protrude from the ball nut and extend earlier mentioned and all around the exterior of the screw. The inside type makes use of a solitary tube that spans the ball track, even though the much more typical design and style utilizes several tubes spanning 1.5 to 3.5 ball tracks. The inside system includes a one return tube and many pickup fingers that guide the balls into the tubes.
The external return tube design and style is an less difficult, less high-priced selection. The exterior ball return system has constrained room but can deal with a vast selection of shaft diameters and qualified prospects. Even so, its actual physical measurement makes it incompatible with numerous substantial-pace programs. As a result, careful thought need to be provided to the mounting alternatives. Internal ball return programs are greatest suited for modest sales opportunities and ball dimensions. People that need a higher speed will probably reward from the exterior ball return program.
Interior ball screw technology has also held rate with the requires of linear generate methods. Ball screw technology is now much more tough than at any time. Strong internal ball return methods circulate ball bearings through a solid pickup pin. These deflectors help the balls return to the screw in the right place. They are vital factors in personal computer-controlled motion handle programs and wire bonding. If you are interested in the latest developments in linear screw technology, make contact with us nowadays.
Ball screws are outstanding to lead screws in several techniques. Ball screws are a lot more efficient than direct screws, converting 90% of rotational movement into linear movement. As a result, they are much more expensive than lead screws and acme screws. They also supply a smoother motion in excess of the total journey selection. In addition, they call for much less electrical power for the identical overall performance. It truly is no ponder that the ball screw is so popular in numerous distinct programs.
Surface end
The floor complete of a ball screw is 1 of the important factors in identifying the performance of the program. A ball screw with a good surface end has excellent overall performance in rolling resistance, backlash, and use traits. Nevertheless, it is essential to increase the floor complete of a ball screw to obtain precision motion, low dress in, and minimal noise. To accomplish this, special wire brushes will be employed to polish precision-floor shafts.
For a ball screw to complete properly, it must be tough, have a clean surface, and keep lubricant. The floor end of a ball screw should be smooth, free of charge of cracks, and keep the lubricant properly. Cracks and annealing are each undesirable during the production method, so a top quality equipment ought to be utilised for its surface finish. In the course of the production approach, a CBN cutting insert with full spherical or gothic arch profile can be utilized to accomplish a high-good quality surface end.
One more finishing operation utilised in the manufacture of ball screws is lapping. Lapping enhances surface good quality and vacation variation. It entails complicated relative actions of abrasive particulates with the workpiece. This eliminates a skinny layer of material from the workpiece, enhancing its floor high quality and dimensional accuracy. The lapping procedure can be carried out beneath low-stress problems. It also enhances the friction torque and lubrication.
In lapping experiments, friction torque has the biggest affect on travel variation and floor roughness. A friction torque of about 1 N x m is the best possible. In addition, rotational velocity has only a nominal influence. The greatest mixture of these parameters is 1-1.5 N x m and thirty rpm. The minimal area complete of a ball screw is around 800 mesh. The smallest variation in travel is noticed at all around fifty percent-way via the travel.
Lubrication
Suitable lubrication of ball screw assemblies is vital to maintain optimum performance and existence. Ball screw assemblies ought to be lubricated with grease, which is introduced straight into the ball nut. The lubrication port can be situated at various places on the merchandise, like on the flange or in the exterior threads of the ball nut. Some ball nuts also characteristic a zerk fitting for easier lubrication.
The lubrication of ball screws is required in the situation of running conditions above 100oC. The least load for a ball screw is normally realized with a preload force. The lubricant is conveyed via the slim lubrication gap thanks to the relative movement of the two surfaces. The elevated viscosity of the lubricant allows separation of the get in touch with surfaces. To avoid more than-lubrication, it is critical to check the lubricant amount frequently.
The oil utilized 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, this kind of as lithium or bentonite. Other thickening brokers incorporate lithium, barium complexes, or aluminum. The lubricant quality NLGI is a extensively used classification for lubricating greases. It is not ample to select a specific type of lubricant for a particular application, but it offers a qualitative measure.
Despite being vital to the performance of a ball screw, lubrication is also crucial to its lifespan. Various kinds of lubricant offer corrosion protection. Just before using a lubricant, make certain to extensively clean and dry the ball screw. If there is any buildup of grime, it could hurt the screw. To avoid this from transpiring, you can use a solvent or lint-totally free fabric. Lubrication of ball screw assemblies can tremendously extend the lifestyle of the assembly.
