詳細介紹 承載能力大。蝸桿為環(huán)面蝸桿,與蝸輪同時有3-6齒合。采用合金鋼和鑄錫青銅,齒面經(jīng)硬化處理、精確磨削成型,硬度高,精度高。傳動效率高。蝸輪副齒面接觸面積大,齒面潤滑角大齒合中醫(yī)形成動壓油膜,摩擦系數(shù)降至限度PWU型PW形平面二次包絡環(huán)面蝸桿減速器(GB/T 16449----1996) 其蝸桿齒面是以一個平面為母面,通過相對圓周運動,包絡出環(huán)面蝸桿的齒面,再以蝸桿的齒面為母線,通過相對運動包絡出蝸桿的齒面,稱為平面二次包絡環(huán)面蝸桿副。包括PWU、PWO、PWS型三種型式,適用于冶金、礦山、起重、運輸、石油、化工、建筑等行業(yè)機械設備的減速運動。工作條件:兩軸交角為90°;蝸桿轉(zhuǎn)速不超過1500r/min;工作環(huán)境溫度為0~40°C,當環(huán)境溫度低于0°C或高于40°C時,啟動前潤滑油要相應加熱或冷卻;蝸桿軸可正、反向運轉(zhuǎn)。(一)型號與標記1、型號(1)PWU型—蝸桿在蝸輪之下平面二次包絡環(huán)面蝸桿減速器;(2)PWO型—蝸桿在蝸輪之上平面二次包絡環(huán)面蝸桿減速器;(3)PWS型—蝸桿在蝸輪之側(cè)平面二次包絡環(huán)面蝸桿減速器。(二)型式及主要尺寸1、PWU型減速器(1)整體式PWU型減速器主要尺寸見圖6.1和表6.1。(2)部分式PWU型減速器主要尺寸見圖6.21和表6.2。2、PWO型減速器(1)整體式PWO型減速器主要尺寸見圖6.3和表6.3。(2)部分式PWO型減速器主要尺寸見圖6.4和表6.4。PWO型3、PWS型減速器PWS型減速器主要尺寸見圖6.5和表6.5。表6.1PWU型減速器主要尺寸(整體式)aH1BB1CC1DHLL1L2L3L4L5d1b1t1l1d2b2t2l2h801002501901128014315160160125180100902582842451448.58230100112300236130100163552002001602121251183210355855165982351251253552801601251845023623619025015014038104158651869105381401404003151801402050026526521228016016042124582702074.510540 aH1BB1CC1DHLL1L2L3L4L5d1b1t1l1d2b2t2l2h16016045035520016021560300300236315190180481451.5828022851304218018050040022518022630335335265355212200561660829025951304520020056045025020024710355355300400236224601864105100281061655022522563050028022526800400400315450265250651869105110281161655325025067053030025028850450450355500280280702074.5105125321321655628028080060035528030950475475400560315315852290130140361482006031531590067037531532106056056045063035535590259513015036158200673553551000750425355351250670670500710400400100281061651704017924075aH1BB1CC1DHLL1L2L3L4d1b1t1l1d2b2t2l2h4003559008004003553512506006004506303751102811616518045190240554504001000900450400391400670670500710425125321321652004521028060500450112010005004504216007507505608004751303213720022050231280655605001250112056050045180085085063090053015036158200250562623307263056014001250630560482000950950710100060017040179240280632923808071063016001400710630522240106010608001250670190452002803207033438088 PWS型 H1BB1CC1DHLL1L2L3L4L5d1b1t1l1d2b2t2l2h801252501901128014300160160125180100902582842451448.582301001603002361301001637520020016021212511832103558551659823512518035528016012518425236236190250150140381041586518691053814020040031518014020475265265212280160116042124582702074.51054016021545535520016021530300300236315190180481451.5828022851304218025050040022518022600335335265355212200561660829025951304520028056045025020024670355355300400236224601864105100281061655022531563050028022526750400400315450265250651869105110281161655325035567053030025028850450450355500280280702074.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 PWU型 aH1BB1CC1C2DHLL1L2L3d1b1t1l1d2b2t2l2h80951003158026580142001601181181702582842451448.58230100125125355100315100162362001401402123210355855165982351251401404001183551181828023617017025038104158651869105381401601604501324001322030026519019028042124582702074.51054016018018050015045015021335300212212315481451.58280228513042180200200560170500160223753352362363555616608290259513045aH1BB1CC1C2DHLL1L2L3d1b1t1l1d2b2t2l2h20022422463019056017024425355265265400601864105100281061654822525025071021263019026475400300300425651869105110281161655025028028080024571020028530450355355475702074.5105125321321655228031531590026580022430600500375375530852290130140361482005531535535510003009002503267056042542556090259513015036158200583554004001120335100026535750600450450670100281061651704017924062400450450125037511203153585067050050071011028116165180451902406545050050014004251250355399507505605608001253213216520045210280705005605601600475140040042106080060060090013032137200220502312807556063063018005301600450451180900670670100015036158200250562623307863071071020006001800500481320100075075011001704017924028063292380827108008002240670200056052150011208508501250190452002803207033438088(三)基本參數(shù)1、中心距PW型蝸桿減速器中心距a見表6.6。表6.6中心距a系列80 100 125 160 200 250 315 400 500 630第二系列140 180 225 280 355 450 560 710注:優(yōu)先選用系列2、公稱傳動比PW型蝸桿減速器公稱比iN見表6.7。表6.7 工程傳動比iN系列10 12.5 16 20 25 31.5 40 50 63第二系列14 18 22.4 28 35.5 45 56