本文選題：準(zhǔn)雙曲線齒輪 + 齒面形成原理��； 參考：《吉林大學(xué)》2011年碩士論文

【摘要】：隨著我國經(jīng)濟(jì)建設(shè)的高速發(fā)展,準(zhǔn)雙曲線齒輪在生產(chǎn)建設(shè)中的應(yīng)用越來越廣泛。主要用于傳遞交錯軸之間的運(yùn)動和動力,因?yàn)闇?zhǔn)雙曲線齒輪相對于其他形式的錐齒輪,小輪的軸線要偏置一個距離,使得準(zhǔn)雙曲線齒輪能夠做到重合度大、傳動效率高,傳動平穩(wěn),嚙合平順,滿足汽車行業(yè)對于齒輪布置的要求。但是由于準(zhǔn)雙曲線齒輪其齒面形成的復(fù)雜性,導(dǎo)致齒輪設(shè)計和制造都不是十分容易的事情。因此對于準(zhǔn)雙曲線齒輪在設(shè)計加工制造方面的問題,長久以來困擾著齒輪研究方面的專家和學(xué)者。 本文完全拋棄了傳統(tǒng)的理論思路,針對直紋面準(zhǔn)雙曲線齒輪,提出了一種全新的齒面形成、嚙合傳動以及設(shè)計加工的理論和方法。首先摒棄現(xiàn)有復(fù)雜繁瑣的齒面形成原理,新型直紋面準(zhǔn)雙曲線齒輪的大輪齒面是兩個與齒輪軸線既不垂直又不平行的平面構(gòu)成,齒輪的齒槽截面形狀為V型,若干個V型槽繞大輪軸線陣列就可得到大輪輪齒。因而對于大輪采用成型法走刀一次即可加工齒面;小輪齒面是由大輪相應(yīng)齒面按照齒輪恒定傳動比共軛展成的直紋曲面,因此對于小輪齒面加工采用兩個內(nèi)聯(lián)系回轉(zhuǎn)運(yùn)動(即大小輪的定比傳動)包絡(luò)形成齒面。對大小輪雙側(cè)面的加工方法進(jìn)行探討、闡述、論證,推導(dǎo)加工過程機(jī)床調(diào)整參數(shù)和刀具運(yùn)動軌跡坐標(biāo)方程式。論文當(dāng)中以新型的直紋面準(zhǔn)雙曲線齒輪為例,利用CATIA、ADAMS三維設(shè)計仿真軟件進(jìn)行了齒輪傳動和加工的仿真模擬。通過對該種準(zhǔn)雙曲線齒輪的加工仿真,進(jìn)而對提出的新型傳動原理和齒面形成原理進(jìn)行可行性的論證。最后根據(jù)新的加工理論,在現(xiàn)有機(jī)床的基礎(chǔ)上,進(jìn)行直紋面準(zhǔn)雙曲線齒輪加工原理相配套的機(jī)床初步設(shè)計。加工過程中采用片銑刀沿走刀方向線并配合相應(yīng)的兩軸聯(lián)動即可一次加工出所需齒面。通過本文的研究和討論,使得所設(shè)計的齒輪傳動平穩(wěn)、嚙合正確,只需要通過簡單刀具和簡單的加工過程就可實(shí)現(xiàn)切制符合設(shè)計要求的直紋面準(zhǔn)雙曲線齒輪。 本文基于新型直紋面準(zhǔn)雙曲線齒輪齒面形成原理和加工方法,對于解決準(zhǔn)雙曲線齒輪設(shè)計加工制造中的問題,有了創(chuàng)新性的突破,推動了對于直紋面準(zhǔn)雙曲線齒輪的研究,對提高現(xiàn)在準(zhǔn)雙曲線齒輪加工水平具有重要意義。
[Abstract]:With the rapid development of economic construction in China, quasi-hyperbolic gears are more and more widely used in production and construction. It is mainly used to transfer motion and power between staggered shafts, because quasi hyperbolic gears are offset by a distance from other bevel gears, so that quasi hyperbolic gears can achieve high coincidence and high transmission efficiency. Smooth transmission, smooth meshing, to meet the automotive industry for gear layout requirements. However, due to the complexity of the tooth surface formation of the quasi-hyperbolic gear, it is not easy to design and manufacture the gear. Therefore, the design, processing and manufacture of quasi-hyperbolic gears have long puzzled the experts and scholars in gear research. In this paper, a new theory and method of tooth surface formation, meshing transmission and design and processing are put forward for straight surface quasi hyperbolic gear. First of all, the complicated and complicated forming principle of tooth surface is abandoned. The large gear tooth surface of a new type of straight-line quasi-hyperbolic gear is composed of two planes which are neither vertical nor parallel to the gear axis, and the profile of the tooth groove section of the gear is V-shaped. A number of V-shaped grooves are arranged around the axis of large wheels and large wheel teeth can be obtained. Therefore, the tooth surface of the small wheel can be machined at one time by using the shaping method for the large wheel, and the tooth surface of the small wheel is a straight surface formed by the conjugation of the corresponding tooth surface of the large wheel according to the constant transmission ratio of the gear. Therefore, the tooth surface is formed by the envelope of two internal contact rotary motion (that is, the constant ratio drive of the large and small wheel) for the machining of the tooth surface of the small wheel. In this paper, the machining methods of the two sides of the large and small wheels are discussed, expounded and demonstrated, and the adjustment parameters and the coordinate equations of the tool movement track during the machining process are deduced. In this paper, a new type of straight surface quasi-hyperbolic gear is taken as an example, and the gear transmission and machining are simulated by using the three-dimensional design simulation software of CATIAA and Adams. Through the machining simulation of this kind of quasi-hyperbolic gear, the feasibility of the new transmission principle and tooth surface forming principle is proved. Finally, according to the new machining theory and on the basis of the existing machine tools, the primary design of the machine tool matching the machining principle of the straight surface quasi hyperbolic gear is carried out. In the process of machining, the needed tooth surface can be machined once by using the milling cutter along the direction of the cutter and with the corresponding two axis linkage. Through the research and discussion in this paper, the designed gear transmission is stable and meshing is correct, and the straight surface quasi-hyperbolic gear can be cut by simple cutting tool and simple machining process. Based on the forming principle and machining method of the tooth surface of a new type of straight surface quasi-hyperbolic gear, this paper has made an innovative breakthrough in solving the problems in the design and manufacture of the quasi-hyperbolic gear, which has promoted the research of the straight surface quasi-hyperbolic gear. It is of great significance to improve the machining level of quasi hyperbolic gear.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH132.415

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