聯(lián)軸器在軸上的裝配是聯(lián)軸器安裝的關(guān)鍵之一。聯(lián)軸器與軸的配合大多為過(guò)盈配合，聯(lián)接分為有鍵聯(lián)接和無(wú)鍵聯(lián)接，聯(lián)軸器的軸孔又分為圓柱形軸孔與錐形軸孔兩種形式。裝配方法有靜力壓入法、動(dòng)力壓入法、溫差裝配法及液壓裝配法等。下面導(dǎo)軌絲杠廠(chǎng)家為您詳細(xì)分析一番：

The assembly of the coupling on the shaft is one of the key factors in the installation of the coupling. The fit between the coupling and the shaft is mostly an interference fit, which is divided into keyed and keyless connections. The shaft hole of the coupling is further divided into two forms: cylindrical shaft hole and conical shaft hole. The assembly methods include static press in, dynamic press in, temperature difference assembly and hydraulic assembly. The manufacturer of the guide rail screw will provide you with a detailed analysis:

靜力壓入法

Static indentation method

這種方法是根據(jù)裝配時(shí)所需壓入力的大小不同、采用夾鉗、千斤頂、手動(dòng)或機(jī)動(dòng)的壓力機(jī)進(jìn)行，靜力壓入法一般用于錐形軸孔。由于靜力壓入法受到壓力機(jī)械的限制，在過(guò)盈較大時(shí)，施加很大的力比較困難。同時(shí)，在壓入過(guò)程中會(huì)切去聯(lián)軸器與軸之間配合面上不平的微小的凸峰，使配合面受到損壞。因此，這種方法一般應(yīng)用不多。

This method is based on the different levels of pressing force required during assembly, using clamps, jacks, manual or motorized presses. The static pressing method is generally used for tapered shaft holes. Due to the limitations of pressure machinery in the static pressing method, it is difficult to apply a large force when the interference is large. At the same time, during the pressing process, uneven small protrusions on the mating surface between the coupling and shaft will be cut off, causing damage to the mating surface. Therefore, this method is generally not widely used.

動(dòng)力壓入法

Dynamic indentation method

這種方法是指采用沖擊工具或機(jī)械來(lái)完成裝配過(guò)程，一般用于聯(lián)軸器與軸之間的配合是過(guò)渡配合或過(guò)盈不大的場(chǎng)合。裝配現(xiàn)場(chǎng)通常用手錘敲打的方法，方法是在輪轂的端面上墊放木塊或其他軟材料作緩沖件，依靠手錘的沖擊力，把聯(lián)軸器敲入。這種方法對(duì)用鑄鐵、淬火的鋼、鑄造合金等脆性材料制造的聯(lián)軸器有局部損傷的危險(xiǎn)，不宜采用。這種方法同樣會(huì)損傷配合表面，故經(jīng)常用于低速和小型聯(lián)軸器的裝配。

This method refers to the use of impact tools or machinery to complete the assembly process, and is generally used in situations where the fit between the coupling and shaft is a transitional fit or where there is little interference. At the assembly site, a hammer is usually used to strike the coupling. The method is to place wooden blocks or other soft materials as buffer components on the end face of the wheel hub, and rely on the impact force of the hammer to drive the coupling in. This method poses a risk of local damage to couplings made of brittle materials such as cast iron, quenched steel, and cast alloys, and is not suitable for use. This method also damages the mating surface, so it is often used for assembly of low-speed and small couplings.

溫差裝配法

Temperature difference assembly method

用加熱的方法使聯(lián)軸器受熱膨脹或用冷卻的方法使軸端受冷收縮，從而能方便地把輪聯(lián)軸器裝到軸上。這種方法和靜力壓入法以及動(dòng)力壓入法相比有很多的優(yōu)點(diǎn)，對(duì)于用脆性材料制造的輪轂，采用溫差裝配法是十分合適的。

By heating the coupling to expand or cooling the shaft end to contract, it is convenient to install the wheel coupling onto the shaft. This method has many advantages compared to the static pressing method and the dynamic pressing method. For wheels made of brittle materials, the temperature difference assembly method is very suitable.

溫差裝配法大多采用加熱的方法，冷卻的方法用的比較少。加熱的方法有多種，有的將輪轂放入高閃點(diǎn)的油中進(jìn)行油浴加熱或焊槍烘烤，也有的用烤爐來(lái)加熱，裝配現(xiàn)場(chǎng)多采用油浴加熱和焊槍烘烤。

The temperature difference assembly method mostly uses heating method, while the cooling method is relatively rare. There are various heating methods, some of which place the wheel hub in high flash point oil for oil bath heating or welding gun baking, while others use an oven for heating. The assembly site often uses oil bath heating and welding gun baking.

裝配后的檢查

Inspection after assembly

聯(lián)軸器在軸上裝配完后，應(yīng)仔細(xì)檢查聯(lián)軸器與軸的垂直度和同軸度。一般是在聯(lián)軸器的端面和外圓設(shè)置兩塊百分表，盤(pán)車(chē)使軸轉(zhuǎn)動(dòng)時(shí)，觀(guān)察聯(lián)軸器的全跳動(dòng)（包括端面跳動(dòng)和徑向跳動(dòng)）的數(shù)值，判定聯(lián)軸器與軸的垂直度和同軸度的情況。

After the coupling is assembled on the shaft, the verticality and coaxiality between the coupling and the shaft should be carefully checked. Generally, two dial indicators are set on the end face and outer circle of the coupling. When turning the shaft to rotate, observe the value of the total runout of the coupling (including end face runout and radial runout), and determine the verticality and coaxiality between the coupling and the shaft.

不同轉(zhuǎn)速、不同型式的聯(lián)軸器對(duì)全跳動(dòng)的要求值不同，聯(lián)軸器在軸上裝配完后，必須使聯(lián)軸器全跳動(dòng)的偏差值在設(shè)計(jì)要求的公差范圍內(nèi)，這是聯(lián)軸器裝配的主要質(zhì)量要求之一。

Couplings with different rotational speeds and types have different requirements for full runout. After the coupling is assembled on the shaft, the deviation value of the coupling's full runout must be within the tolerance range required by the design, which is one of the main quality requirements for coupling assembly.

高速旋轉(zhuǎn)機(jī)械對(duì)于聯(lián)軸器與軸的同軸度要求高，用單鍵聯(lián)接不能得到高的同軸度，用雙鍵聯(lián)接或花鍵聯(lián)接能使兩者的同軸度得到改善。還有什么事項(xiàng)就來(lái)我們網(wǎng)站http://www.2b4g.com咨詢(xún)！

High speed rotating machinery requires high coaxiality between couplings and shafts. Single key connection cannot achieve high coaxiality, but double key or spline connection can improve the coaxiality of both. If there are any other matters, please come to our website http://www.2b4g.com consulting service