Disc couplings are common coupling design that can transfer the torque forces emitted from a driving source to another bolt tangentially which is planned to be driven on a bolt circle system. Torque forces are transmitted in between the bolts via a series of stainless steel discs with thin materials, which are assembled in a pack of the disc couplings. The design of the pack is set to be a unity. Once if the materials between the bolts are damaged, misalign would occur.
The disc couplings are excellent motion control designs that are done to make torque force transmission. Disc couplings connect two shafts together as the basis and the design could accommodate shaft misalignment. The nature of the disc couplings is to be flexible yet strong enough to withstand torque loads. Ordinary disc couplings can deal with the speed up to about 10000 RPM steadily in a stable pace.
Regarding mechanical design, there are basically two kinds of disc couplings. The first one is the single disc, and the second one is the double disc. To compare these two types of the disc couplings, the first type of disc couplings are made of two hubs and one single flat disc spring in the material of stainless steel. For the second type of the disc couplings, the device is made of two hubs as well, yet the device contains an additional center spacer that puts in between the two disc springs. The materials of the center spaces and the hubs may be the same, but in some occasions, the materials may be insulating ACETAL. The similarities shared by the single and double type disc couplings are many, while there are also some other differences that are definitely make them basically distinct from each other significantly.
Because of the design of complex bending on the single disc couplings, this type of disc couplings would not have parallel misalignment. On the other hand, the design of double disc styles permits the discs to bend in opposite directions in order to manage parallel offset well. For the single disc couplings, the discs are fastened unto the hubs, and to the double disc versions the discs are fastened to the center spacer with tight fitting pins. This fastening mechanism would prevent any play or some backlash effects happen in between the disc and the hubs. Since the discs could be bent easily, the disc couplings are with some of the lowest bearing loading values available in a motion control coupling working principal.
Disc couplings and gear couplings are coupling devices, while the two are slightly different in some ways even though they both shared many similarities as couplings. Gear couplings are mechanical parts that can connect two different axes into one in order to make them rotate together during the transmission process. Under ideal circumstances, the connected two axes would not go detached, yet a certain level of torque limitations would come, which lead to speed differences of the rotation. A good power transmission through gear couplings would enhance the working condition and reduce the maintenance costs and frequencies. These two coupling designs and devices are developed for different purposes and the applications in the industrial sectors are with different order requests.
According to industrial insiders, the applications of couplings are not complementary but sometimes they can be integrated into one facility and serve different functionalities. Couplings are very smart designs that help the force alignment be the same and synchronized so that the driving power can be perfectly transmitted to the driven parts in a controlled operational mechanism. A variation of the disc couplings is the Thompson coupling, which is also known as the name as Thompson constant velocity joint. There are two cardan joints within each other inside the device in order to eliminate the intermediate shaft from happening. Variations of the disc couplings are many, and many of the manufacturers know how to help users to do the modifications in order to cope with the processing demands.
Suppliers in Taiwan of the machine tool accessories are coupled with the whole metal working supply chains that can deal with the entire processing line. From upstream to the lower stream, Taiwan’s suppliers integrate the whole things as well as the technology, making the machine tool accessories’ market booming in the world industry.
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