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PW系列平面二次包络环面蜗杆12bet

2014-04-21字体:
PW系列平面二次包络环面蜗杆12bet

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PW型平面二次包络环面蜗杆12bet简介(GB/T16449-1996)PW型平面二次包络环面蜗杆减速器(GB/T16449—1996)其蜗齿面是以一个平面为母面,通过相对圆周运动,包络出环面蜗杆的齿面,再以蜗杆的齿面为母线,通过相对运动包络出蜗轮的齿面,称为平面二次包络环面蜗杆副。包括PWU、PWO、PWS型三种型式,适用于冶金、矿山、起重、运输、石油、化工、建筑等行业机械设备的减速传动。工作条件:两轴交角为90°;蜗杆转速不超过1500r/min;工作环境温度为0~40℃,当环境温度低于0℃或高于40℃时,启动前润滑油要相应加热或冷却;蜗杆轴可正、反向运转。PW型平面二次包络环面蜗杆12bet型号与标记(GB/T16449-1996)1.型号(1)PWU型—蜗杆在蜗轮之下平面二次包络环面蜗杆减速器;(2)PWO型—蜗杆在蜗轮之上平面二次包络环面蜗杆减速器(3)PWS型—蜗杆在蜗轮之侧平面二次包络环面蜗杆减速器。2.标记整体式PWU80、PWU100、PWU125、PWU140、PWU160、PWU180、PWU200、PWU225、PWU250、PWU280、PWU315、PWU355、型平面二次包络环面蜗杆12bet主要尺寸(GB/T16449-1996)

PWU型减速器主要尺寸(整体式)        /mm
aH1BB1CC1DHLL1L2L3L4L5d­1b­1t1l1d2b2t2l2h
801002501901128014315160160125180100902582842451448.58230
10011230023613010016355200200160212125118321035585516598235
125125355280160125184502362361902501501403810415865186910538
1401404003151801402050026526521228016016042124582702074.510540
16016045035520016021560300300236315190180481451.58280228513042
180180500400225180226303353352653552122005616608290259513045
200200560450250200247103553553004002362246018641051002810616550
225225630500280225268004004003154502652506518691051102811616553
25025067053030025028850450450355500280280702074.51051253213216556
280280800600355280309504754754005603153158522901301403614820060
3153159006703753153210605605604506303553559025951301503615820067
3553551000750425355351250670670500710400400100281061651704017924075
剖分式PWU400、PWU450、PWU500、PWU560、PWU630、PWU710、型平面二次包络环面蜗杆12bet主要尺寸(GB/T16449-1996)PWU型减速器主要尺寸(剖分式)           /mm
aH1BB1CC1DHLL1L2L3L4d­1b­1t1l1d2b2t2l2h
400355900800400355351250600600450630375110281161651804519024055
4504001000900450400391400670670500710425125321321652004521028060
50045011201000500450421600750750560800475130321372002205023128065
56050012501120560500451800850850630900530150361582002505626233072
630560140012506305604820009509507101000600170401792402806329238080
71063016001400710630522240106010608001250670190452002803207033438088
整体式PWO80、PWO100、PWO125、PWO140、PWO160、PWO180、PWO200、PWO225、PWO250、PWO280、PWO315、PWO355、型平面二次包络环面蜗杆12bet主要尺寸(GB/T16449-1996)PWO型减速器主要尺寸(整体式)              /mm
aH1BB1CC1DHLL1L2L3L4L5d­1b­1t1l1d2b2t2l2h
801252501901128014300160160125180100902582842451448.58230
10016030023613010016375200200160212125118321035585516598235
125180355280160125184252362361902501501403810415865186910538
1402004003151801402047526526521228016016042124582702074.510540
16021545035520016021530300300236315190180481451.5
82
80228513042
180250500400225180226003353352653552122005616608290259513045
200280560450250200246703553553004002362246018641051002810616550
225315630500280225267504004003154502652506518691051102811616553
25035567053030025028850450450355500280280702074.51051253213216557
280400800600355280309004754754005603153158522901301403614820060
3154509006703753153210005605604506303553559025951301503615820067
3555001000750425355351180670670500710400400100281061651704017924075
剖分式PWO400、PWO450、PWO500、PWO560、PWO630、PWO710、型平面二次包络环面蜗杆12bet主要尺寸(GB/T16449-1996)PWO型减速器主要尺寸(剖分式)            /mm
aH1BB1CC1DHLL1L2L3L4d­1b­1t1l1d2b2t2l2h
400500900800400355351250600600450630375110281161651804519024055
4505601000900450400391400670670500710425125321321652004521028060
50063011201000500450421600750750560800475130321372002205023128065
56071012501120560500451800850850630900530150361582002505626233072
630800140012506305604820009509507101000600170401792402806329238080
71090016001400710630522240106010608001250670190452002803207033438088
PWS80、PWS100、PWS125、PWS140、PWS160、PWS180、PWS200、PWS225、PWS250、PWS280、PWS315、PWS355、PWS400、PWS450、PWS500、PWS560、PWS630、型平面二次包络环面蜗杆12bet主要尺寸(GB/T16449-1996)PWS型减速器主要尺寸             /mm
aH1BB1CC1C2DHLL1L2L3d­1b­1t1l1d2b2t2l2h
80951003158026580142001601181181702582842451448.58230
10012512535510031510016236200140140212321035585516598235
125140140400118355118182802361701702503810415865186910538
1401601604501324001322030026519019028042124582702074.510540
16018018050015045015021335300212212315481451.58280228513042
180200200560170500160223753352362363555616608290259513045
200224224630190560170244253552652654006018641051002810616548
225250250710212630190264754003003004256518691051102811616550
25028028080024571020028530450355355475702074.51051253213216552
280315315900265800224306005003753755308522901301403614820055
3153553551000300900250326705604254255609025951301503615820058
3554004001120335100026535750600450450670100281061651704017924062
4004504501250375112031535850670500500710110281161651804519024065
4505005001400425125035539950750560560800125321321652004521028070
50056056016004751400400421060800600600900130321372002205023128075
560630630180053016004504511809006706701000150361582002505626233078
6307107102000600180050048132010007507501100170401792402806329238082
7108008002240670200056052150011208508501250190452002803207033438088
PW型平面二次包络环面蜗杆12bet基本参数(GB/T16449-1996)1.中心距PW型蜗杆减速器中心距a见表1。表1     中心距a                      /mm
第一系列80    100    125    160    200    250    315    400    500    630
第二系列                       140    180    225    280    355    450    560    710
注:优先选用第一系列。2.公称传动比PW型蜗杆减速器公称传动比iN见表2。表2    公称传动比iN
第一系列10      12.5      16      20      25      31.5      40      50      63
第二系列            14      18      22.4      28      35.5      45      56
 PW型蜗杆12bet体育轴轴端许用径向力F(GB/T16449-1996)PW型蜗杆减速器体育轴轴端许用径向力F。许用径向力F1
中心距/mm80100125140160180200225250280315355400450500560630710
许用径向力/N2250350050006500900011000140001700021700270003100035000400004300046000490005200056000
PW型蜗杆12bet的传动效率η(GB/T16449-1996)
公称传 动比iN输入转 速1/ rmin-1中心距/mm
80100125140160180200225250280~710
传动效率η/%
10150090919192929393949495
100090919192929393949495
7508989.59091919292939394
5008787.58889899090919192
12.51500899090919192.592.593.593.594.5
1000899090919192.592.593.593.594.5
7508888.589909091.591.5929293
5008686.58788888989909091
14150088.589.589.591919292939391
100088.589.589.591919292939394
750878888.589.589.5919191.591.592.5
500858686.587.587.58888898990
16150088898990909191929293
100088898990909191929293
75086.5878889899090919192
5008484.58586868787888889
18150087.5888889.589.59090919192
100087888889899090919192
75085.58687888889.589.5909091
5008383.58485858686878788
20150086.58787888889.589.5909091
10008686.587888889.589.5909091
75084.585868787898989.589.590
5008282.58384848585868687
22.4150085.58686878788.588.5898990
1000858686878788.588.5898990
75083.584.584.585.585.587.587.5888889
50080.5818182828383848485.5
2515008586868787888888.588.589
10008485868787888888.588.589
, 750,, 8383.58485858686878788
5007979.580818181.581.5838485
28150082.58383.584848585858687.5
10008282.58384848585868687.5
7508181.58283838484858586
5007777.577.578787979808081.5
31.515008080.58182828383848485
10008080.58182828383848485
7507777.57879798080818182
5007373.57474.574.575.575.5767677.5
35.5150078.57979.580808181828283.5
100078.57979.580808181828283.5
7507777.57879798080818182
5007373.57474.574.575.575.5767677.5
4015007676.57778787979808081
10007676.57778787979808081
7507575.57677777878797980
5007171.57273737474757576
45150074.5757677777878797980
100074.5757677777878797980
75073.57474.57575767676.576.577
50069.57070.571.571.572.572.5737374.5
50150073747475757676777778
100073747475757676777778
7507272.57374747575767677
5006868.56970707171727273
56150071.572.572.573.573.574.574.5757677
100071.572.572.573.573.574.574.5757677
75070.57171.572.572.573.573.574.574.575.5
5006767.56868.568.569.569.5717171.5
63150070717172727373747475
100070717172727373747475
7506969.57071717272737374
5006565.56667676868696970
PW型平面二次包络环面蜗杆12bet的选用(GB/T16449-1996)1.选用系数(1)选用系数KA见表1。表1    选用系数KA
原动机载荷性质 (工作机特性)每日工作时间/h
≤0.5>0.5~1>1~2>2~10>10
KA
电动机,汽轮机燃气轮机 (启动转矩小,偶尔作用)均匀0.60.70.911.2
轻度冲击0.80.91.01.21.3
中等冲击0.91.01.21.31.5
强烈冲击1.11.21.31.51.75
汽轮机,燃气轮机,液动机 或电动机(启动转矩大,经 常作用)均匀0.70.811.11.3
轻度冲击0.911.11.31.4
中等冲击11.11.31.41.6
强烈冲击1.11.31.41.61.9
多缸内燃机均匀0.80.91.11.31.4
轻度冲击1.01.11.31.41.5
中等冲击1.11.31.41.51.8
强烈冲击1.31.41.51.82
单缸内燃机均匀0.91.11.31.41.6
轻度冲击1.11.31.41.61.8
中等冲击1.31.41.61.82
强烈冲击1.41.61.822.3或更大
注:工作机工作情况举例如下。均匀载荷:发电机、均匀装料的带式或板式输送机,螺旋输送机,轻型卷扬机,包装机械,机床进给装置,通风机,轻型离心机,离心泵,稀液料和密度均匀物料搅拌机和混合机,按最大剪切力矩设计的冲压机。轻度冲击:不均匀装料的带式或板式输送机,机床主传动装置,重型卷扬机,起重机旋转机构,工矿通风机,重型离心机,离心泵,粘性液料及密度不均匀物料搅拌机和混合机,多缸柱塞泵,给料泵,挤压机,压延机,回转窑,锌、铝带材、线材、型材轧机。中等冲击:橡胶挤压机,经常起动的塑料混合机,轻型球磨机,木材加工机械,钢坯初轧机,单缸活塞泵。强烈冲击:铲斗链传动,筛传动装置,单斗挖土机,重型球磨机,橡胶混炼机,冶金机械,重型给料泵,旋转式钻探设备,压砖机,除鳞机,冷轧机,压块机。(2)启动频率系数见表2。表2    启动频率系数K1
每小时启动次数≤10>10~60>60~400
启动频率系数K111.11.2
(3)小时负荷率系数K2见表3。表3    小时负荷率系数K2
小时负荷率Jc/%10080604020
小时负荷率系数K210.950.880.770.6
注:1.Jc=1h内负荷作用时间(min)/60×100%。        2.Jc<20%时按Jc=20%计。(4)冷却方式系数K4见表4。表4    冷却方式系数K4
冷却方式减速器中心距a/mm蜗杆转速n1/r·min-1
15001000750500
冷却方式系数K4
自然冷却 (无风扇)801111
100~2251.371.591.591.33
250~7101.511.851.891.78
风扇冷却80~7101

2.选用条件选用减速器应知:原动机、工作机类型及载荷性质,每日平均运转时间,启动频率和环境温度。PW型平面二次包络环面蜗杆12bet的润滑(GB/T16449-1996)润滑    (1)减速器一般采用油池润滑,当蜗杆计算圆滑动速度vs>10m/s时,采用强制润滑。    (2)减速器用润滑油粘度指数(Ⅵ)应大于100。    (3)减速器采用合成蜗轮蜗杆油。    (4)减速器润滑油油品按下表规定。允许采用润滑性能相当或更高的油品。润滑油油品


输入转速/r·min-1
中心距/mm
80   100   125   160   200   250   315   400   500   630
                  140   180   225   280   355   450   560   710
1500
1000
750
500
                                                  320蜗轮蜗杆油①
460蜗轮蜗杆油
680蜗轮蜗杆油
 


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