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數(shù)控切割機(jī)傳動(dòng)滑軸故障排除及維護(hù)!

來源:http://www.maxsenz.com/  發(fā)布時(shí)間:2021-09-03 瀏覽次數(shù):0

數(shù)控自動(dòng)化機(jī)床的應(yīng)用分支中的數(shù)控切割機(jī)能滿足國(guó)內(nèi)大量生產(chǎn)型企業(yè)的下料加工,在機(jī)床工作原理方面,數(shù)控切割機(jī)仍然沿用市面上主要的三軸傳動(dòng)設(shè)計(jì),通過平面坐標(biāo)定位以達(dá)到精切割下料的目的。

The NC cutting function in the application branch of NC automatic machine tool meets the blanking processing of a large number of domestic production-oriented enterprises. In terms of the working principle of the machine tool, the NC cutting machine still follows the main three-axis transmission design in the market, and achieves the purpose of fine cutting and blanking through plane coordinate positioning.
數(shù)控切割機(jī)的機(jī)械部分維護(hù)工作中,主軸與滑動(dòng)軸作為傳動(dòng)部分主要組成部分,其維護(hù)處理相對(duì)較多。兩軸的損耗及故障多集中在日常維護(hù)工作不到位導(dǎo)致,另外對(duì)于數(shù)控切割機(jī)的使用環(huán)境這里也需要有一定的要求,對(duì)于廠房?jī)?nèi)金屬粉塵或殘?jiān)^多也可能導(dǎo)致部件損傷。這里就一些簡(jiǎn)單的故障處理方法整理說明如下:
In the maintenance of the mechanical part of NC cutting machine, the main shaft and sliding shaft are the main components of the transmission part, and there are relatively many maintenance treatments. The loss and faults of the two shafts are mostly caused by the inadequate daily maintenance. In addition, there are certain requirements for the use environment of the NC cutting machine. More metal dust or residues in the plant may also lead to component damage. Here are some simple troubleshooting methods:
1、滑動(dòng)軸承表面被研傷后,維護(hù)方案應(yīng)是刮石匠方法維護(hù)。一般來說,滑動(dòng)軸承都留有可供調(diào)整和修理的余量,可以滿足數(shù)控切割機(jī)的一個(gè)修理周期。如果研傷十分嚴(yán)重,修理余量不能滿足,就需要考慮更換了。兩半瓦式滑動(dòng)軸承研傷后,可以減薄墊片重新組裝后,刮研軸瓦內(nèi)孔要求精度,維護(hù)后繼續(xù)使用。
1. After the sliding bearing surface is abraded, the maintenance scheme shall be maintained by the stone scraper method. Generally speaking, the sliding bearing has a margin for adjustment and repair, which can meet a repair cycle of NC cutting machine. If the grinding damage is very serious and the repair allowance cannot be met, replacement needs to be considered. After the two half pad sliding bearing is abraded, it can be thinned. After reassembly, scrape and grind the inner hole of the bearing bush to the required accuracy, and continue to use after maintenance.
2、當(dāng)軸頸有研傷后,可采用磨小軸頸、更換滑動(dòng)軸承的方法。但軸頸修磨不宜太大,比如機(jī)床主軸,修磨量不宜超過軸頸表面淬火,或者滲碳、氮化、氰化的厚度、修磨后軸頸表面硬度不得低于原設(shè)計(jì)硬度的下限;對(duì)于傳動(dòng)軸來說,軸頸不應(yīng)小于裝配時(shí)在裝配方向前端軸頸或凸臺(tái)的尺寸。
2. When the journal is abraded, the method of grinding the journal and replacing the sliding bearing can be used. However, the journal grinding should not be too large. For example, for the machine tool spindle, the grinding amount should not exceed the journal surface quenching, or the thickness of carburizing, nitriding and cyanidation, and the surface hardness of the journal after grinding shall not be lower than the lower limit of the original design hardness; For the drive shaft, the journal shall not be less than the size of the front journal or boss in the assembly direction at the time of assembly.
如果用焊補(bǔ)的方法來維護(hù)數(shù)控切割機(jī)軸頸,那么要考慮焊補(bǔ)加熱過程對(duì)軸的幾何精度、機(jī)械強(qiáng)度及表面硬度的影響。軸頸維護(hù)后,一般都需要按軸頸重新配做滑動(dòng)軸承(或稱軸套)。
If the welding repair method is used to maintain the Journal of NC cutting machine, the influence of welding repair heating process on the geometric accuracy, mechanical strength and surface hardness of the shaft should be considered. After journal maintenance, sliding bearings (or shaft sleeves) generally need to be reconfigured according to journal.

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