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Roller chain coupling

Features of roller chain coupling

Roller chain couplings use a common chain, and at the same time engage with two parallel sprockets with the same number of teeth Shafts, single-row roller chain couplings, toothed chain couplings, nylon chain couplings, etc.The performance of the double-row roller chain coupling is better than that of other structural types, and it is widely used at home and abroad.Applied disciplines: mechanical engineering (first-level discipline); mechanical parts (second-level discipline); coupling (third-level discipline) ●Roller chain coupling has a simple structure (composed of four parts), easy to assemble and disassemble, and when disassembling There is no need to move the two shafts that are connected, compact size, light weight, certain compensation ability, low requirements for installation accuracy, reliable work, long life, low cost, etc. The roller chain coupling should be well lubricated And work under the condition of protective cover.This type of roller chain coupling has 13 specifications. They are suitable for shaft hole diameter d=16-190mm, shaft hole length L=42-352mm, nominal torque T=40-25000m, and allowable speed [n] When the cover is not installed=200-1400r.min, when the cover is installed=900-4500r.min.

Environmental performance

The GL roller chain coupling has the hardness of steel, and the roller chain coupling has excellent corrosion resistance and environmental performance. The GL type roller chain coupling ultra-precision machining machine tool can achieve the required accuracy, but due to the special structure of the roller chain coupling, guide rail, and spindle due to ultra-precision machining, this type of machine tool is not only expensive, but also has a deviation in stroke. The shortcomings of small size, low cutting efficiency, and long clamping time make it difficult to meet the needs of mass production of larger workpieces.The integral rolling lining has no joints (the thickness of the ETFE lining is 2~5mm), which can withstand various concentrations of acids, alkalis, salts, strong hydrogenating agents, organic compounds and all other strong corrosive chemical media (corrosion resistance and PTFE the same).The roller chain coupling is an ideal product to solve the difficult corrosion problems of high-temperature dilute sulfuric acid, hydrofluoric acid, hydrochloric acid and various organic acids. It is resistant to positive and negative and vacuum, alternately changing between cold and heat, and the lining is not affected. It can be solved The delamination problem of PTFE-lined sheet equipment is defined as a feature of high-precision processing. In addition to the tolerance range, it also considers the size and batch size of the parts.Maintain a tolerance of 5μm when processing large quantities of parts, and maintain a tolerance of 2μm when machining two matching parts, or use a small diameter end mill to process on a machine tool with a positioning accuracy of 0.3μm, etc., all belong to high-precision machining category.In other words, the part size and the batch size of the workpiece determine the difficulty of achieving certain specific tolerances.

Maintenance method

怎样维护好GL型滚子链联轴器呢?滚子链联轴器上链轮齿数一般取12~22范围内偶数齿,若取较少的链轮齿数,则链轮上的作用力增加;若取较多的链轮数,则德国凌斯联轴器补偿能力降低,半联轴器上链轮的分度圆直径dp=(12~13.5) 或dp=(2~3.2)d;罩壳外径DK=(1.15~1.2)dp;半联轴器外径D=(O.7~0.8)dp;半联轴器长度L=(1.9~2.8)d,大转矩时,取小的系数。

The advantage of GL roller chain coupling transmission is that it can transmit motion and power when the center distance between the two shafts is far away.It can work under low speed, heavy load and high temperature conditions and dusty conditions.It can ensure the accurate transmission ratio, the transmission power is large, and the force acting on the shaft is small.High transmission efficiency.The disadvantage is that after the hinge of the chain is worn out, the pitch becomes larger and the joint is disjointed.Installation and maintenance requirements are high.The advantages of gear transmission are: it can ensure the instantaneous transmission ratio is constant, the stability is high, and the transmission movement is accurate and reliable.The range of transmitted power and speed is large.The structure is compact, the work is reliable, and a larger transmission ratio can be achieved.High transmission efficiency and long service life.The disadvantages are: high manufacturing and installation requirements.