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英文摘要：
The A272F series high speed drawing frame adapts below the 75mmtextile fiber purely spins with the fabric blending, in reels threadin the technological process, after is located the carding machineworking procedure, the carding machine textile fiber strip producesdifference of through the this machine 4 Roller different rotationalspeed extends the strength to combine with extends, can enhance thetextile fiber the strip long fragment uniformity, the textile fiberunbends, causes the different quality textile fiber the mix to hastenevenly, for obtains the good spun yarn creation essential condition.
3,100 models tailstock boxes are the Shaanxi Baoji Paochi to Chengtutextile machinery factory product, annual output 1,000, the tailstockbox are one of A272F series high speed drawing frame main gearshiftmechanisms, it is the supplies gives cotton and kapok 2; 3 Roller'sdecelerating device, requests to input three outputs, through pressesthe certain speed compared to the distribution gear and otherstructures the input axis drag roll after the tailstock box speedchange, transmits for each work main axle, causes it to obtain thecertain power, the rotational speed and the direction.
Because Roller's rotational speed directly relates the cotton sliverto receive extends the strength size, is affecting the productquality, therefore the tailstock box transmission precision request ishigher The production batch is big. Design 3,100 models in view ofthe production present situation and the request the front of a trainboxes.
中文摘要：A272F系列高速并條機適應(yīng)于75mm以下的纖維的純紡與混紡，在紡紗工藝過程中，位于梳棉工序之后，梳棉纖維條通過本機4根羅拉不同轉(zhuǎn)速之差產(chǎn)生的牽伸力并合與牽伸，能夠提高纖維的條長片段均勻度、纖維的伸直度，使不同品質(zhì)纖維的混合更趨均勻，為獲得良好的細紗創(chuàng)造必要的條件。
3100型號的車尾箱是陜西寶雞寶成紡織機械廠的產(chǎn)品，年產(chǎn)量1000臺，車尾箱是A272F系列高速并條機的主要變速機構(gòu)之一，它是供給給棉2;3羅拉的減速裝置,要求一個輸入三個輸出,通過按一定的速比排布的齒輪及其他結(jié)構(gòu)將輸入軸壓輥經(jīng)車尾箱的變速，傳遞給各工作主軸，使其獲得一定的動力、轉(zhuǎn)速和方向。
由于羅拉的轉(zhuǎn)速直接關(guān)系到棉條所受牽伸力的大小,影響著產(chǎn)品的質(zhì)量,因此車尾箱的傳動精度要求較高.生產(chǎn)批量大。針對生產(chǎn)現(xiàn)狀和要求設(shè)計3100型號的車頭箱。