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苏联公差符号及公制螺丝孔径表(1)

2022-07-08 19页 doc 327KB 35阅读

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苏联公差符号及公制螺丝孔径表(1)一、基轴制孔及轴的过及动座配合上下尺寸表二、内孔切削径(基本曙丝)三、内切削螺丝肖的孔径(细牙螺丝)四、加工方法及其经济精度一、基孔制孔及轴的过渡及动座配合上下尺寸差表1级精度 (表1)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)孔A1...
苏联公差符号及公制螺丝孔径表(1)
一、基轴制孔及轴的过及动座配合上下尺寸二、内孔切削径(基本曙丝)三、内切削螺丝肖的孔径(细牙螺丝)四、加工方法及其经济精度一、基孔制孔及轴的过渡及动座配合上下尺寸差表1级精度 (表1)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)孔A1下上060809011013015018021024027030035轴重迫合座Γ1上下106138169201124132816331938234526523058356540迫合座T1上下84105126157178209241028123314361640184520轻迫合座H1上下516182102122142163193224254284325推合座Ⅱ上下—22324353637485961071181391510滑合座C1上下—0405060809011013015018020022025紧转合座д1上-下-38495116147169201023122714321636184020452级精度 (表2)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)孔A下上010013016019023027030035040045050060轴重迫合座Γ上下1061682010241230153518402045235225603070358040迫合座T上下104135166197238279301035124013451550156020轻迫合座H上下7191122142172203233263404354404455推合座Ⅱ上下—334455667788101012121414161618182020滑合座C上下—0608010012014017020023027030035040紧转合座д上-下-36485106128141017122015231827223026353040转合座X上-下-818110221327163320402550306040755090601057012590140轻转合座Π上-下-1225173523453055407050856010580125100155120180140210170245松转合座Ⅲ上-下-1835254535604575609575115951451201751502101802502102902503402a级精度 (表3)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)孔A2a下上014018022027033039046054063073084095轴重迫合座Γ2a上下15620825103012361542175020582367277831903610240迫合座T2a上下84167216257298349411148135515641774208523轻迫合座H2a上下101131161191232272322383433514584675推合座Ⅱ2a上下—72931051261381510181220152218242327273131滑合座C2a上下—090120150180210250300350400470540623.3a级精度 (表4)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)孔A3下上020025030035045050060070080090010001203级精度轴滑合座C3上下—02002503003504505006007008009001000120转合座X3上—下—7321144155520702585321004012050140601607519590225102255松转合座Ⅲ3上—下—17502565358545105601307516095195120230150285180330210380250440孔A3a下上0400480580700840100012001400160018502150250轴滑合座C3a上下—04004805807008401000120014001600185021502504.5级精度 (表5)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)4级精度孔A4下上0600800100012001400170020002300260030003400380轴滑合座C4上下—0600800100012001400170020002300260030003400380转合座X4上—下—30904012050150601807021080250100300120350130400150450170500190570轻转合座Π4上—下—6012080160100200120240140280170340200400230460260530300600340680380760松转合座Ⅲ4上—下—120180160240200300240360280420340500400600360700530800600900680100076011005级精度孔A5上下012001600200024002800340040004600530060006800760轴滑合座C1上下—012001600200024002800340040004600530060006800760转合座д1上-下-6918080240100300120360140420170500200600230700260800300900340100038011007、8、9级精度 (表6)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)7级精度孔A7上下0250030003600430052006200740087001000011500135001550轴B7上下-02500300036004300520062007400870010000115001350015508孔A8下上0400048005800700084001000012000140001600019000220002500轴B8下上—04000480058007000840010000120001400016000190002200025009孔A9下上060007500900011000130001600019000220002500029000330003800轴B9上下—09012015018021025030035040047054062二、基轴制孔及轴的过渡及动座配合上下尺寸差表1级精度 (表1)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)轴A1下上—0405060809011013015018020022025孔重迫合座Γ1下—上—10413516620824102812331438174520522358276530迫合座T1下—上—821021231541742052452863273684094510轻迫合座H1下—上516181101122142162193223253284325推合座Ⅱ下—上2435465768798109121014111613181520滑合座C1下上060809011013015018021024027030035紧转合座д1下上3104125146177209251029123414391643184820552级精度 (表2)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)轴B上下—0608010012014017020023027030035040孔重迫合座Γ下—上—13216320424530635740845105212601570188020迫合座T下—上100130160190230270300350400450500600轻迫合座H下—上—73941241451762072382693010351140124515推合座Ⅱ下—上—3749511613716818102012231427163018352040滑合座C下上010013016019023027030035040045050060紧转合座д下上3134175216258301035124215501860227026803090转合座X下上822102713331640205025603070409050105601207014090160轻转合座Π下上1230174023503060408050956011580140100170120200140230170270松转合座Ⅲ下上18332550356545806010575125951551201901502301802702103102503652a级精度 (表3)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)轴B2a下上—09012015018021025030035040047054062孔重迫合座Γ2a下—上—1512022533033634235045846747859061027迫合座T2a下—上21125229434541548655864974108510轻迫合座H2a下—上16619823102712321438164320512258266728推合座Ⅱ2a下—上77991012121513201524182820342241244927573164滑合座C2a下上0140180220270330390460540630730840953.3a级精度 (表4)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)轴B3上下—020025030035045050060070080090010001203级精度孔滑合座C3下上02002503003504505006007008009001000120转合座X3下上7321144155520702585321004012050140601607519590225102255松转合座Ⅲ3下上175025653585451056013075160951951202301502851803302103802504403a轴B3a上下—0400480580700840100012001400160018502150250孔滑合座C3a下上04004805807008401000120014001600185021502504.5级精度 (表5)配合座别符号尺寸差名义尺寸mm自1到3大于3到6大于6到8大于10到18大于18到30大于30到50大于50到80大于80到120大于120到180大于180到260大于260到360大于360到500单位u(1u=1/1000mm)4级精度轴B4上下—0600800100012001400170020002300260030003400380孔滑合座C4下上0600800100012001400170020002300260030003400380转合座X4下上30904012050150601807021080250100300120350130400150450170500190570轻转合座Π4下上6012080160100200120240140280170340200400230460260530300600340680380760松转合座Ⅲ4下上120180160240200300240360280420340500400600360700530800600900680100076011005级精度轴B5上下—012001600200024002800340040004600530060006800760孔滑合座C1下上012001600200024002800340040004600530060006800760转合座д1下上691808024010030012036014042017050020060023070026080030090034010003801100内牙切削基本底孔按OCT94。32及193按螺纹直径减螺距是多少就是底孔大小表如下。1)0.25螺距就是螺纹直径减0。25加上公差牙距螺杆直径减去值公差0.250.250.30.30.350.350.40.40.450.450.50.50.60.60.70.70.80.9——11.11.251.41.51.70.222.30.32.52.90.3533.43.540.54.55.30.755.95.56.567.1莫氏圆锥的各部份尺寸S圆锥标记DD1dL1L2a圆锥度莫氏O9.0459.2126.45349.8533.22°58"54"112.06512.2409.39653.5573.52°51"26"217.78017.98014.58364.0684.02°51"41"323.82524.05125.05119.78480.0854.52°52"32"431.26731.54225.93322.933102.71085.32°58"31"544.39944.73137.573129.91366.33°00"53"663.34863.76053.905181.11897.92°59"12"光洁度的表示等级一下三角形为粗糙,粗糙度可用100(1),50(2),25,20,16(3)。表示二个三角形为半光滑,粗糙度可用12。5,10,8(4),6。3,5,4(5),3。2,2。5,3(6)三个三角形为光滑,粗糙度可用1。6,1。25,1(7),0。8,0。63,0。5(8),0。4,0。32,0。25,(9)四个三角形为极光滑粗糙度可用0.2,0.16,0.125(10),0。1,0。08,0。063(11),0。05,0。04,0。032,(12),0。025,0。02,0。016,0。012,0。006(13)车粗车光洁度是1,2,3,4(10)精车光洁度4(10),5,6,细车光洁度6(2。5),7,8(0。63),金钢石车8,9,10粗光洁度是1,2,3,4(1。25),精光洁度4,5,6(2。5),细光洁度6,7,铰粗铰光洁度4(1。0),5,6(2。5),精铰光洁度6(2。5),7,8,二次精铰8(0。63),9,10,手铰6,7,8,9,10,11拉粗拉光洁度是6,7,8精拉光洁度8(0。63),9,细拉光洁度9(3。2),10,磨粗磨光洁度是4,5,6精磨光洁度6(2。0),7,8,9(0。032),,细磨光洁度9,10,11,12(0。05)。铣粗铣光洁度是3(20),4,5(6。3)精铣光洁度5,6,细铣光洁度6(2。5),7,8(0。8)。滚轴滚压粗滚光洁度是6(2。0),7,8(0。5)精滚光洁度8(0。63),9,10抛光粗抛光光洁度是6(2。50),7,8(0。63)精抛光光洁度8(0。63),9,10,细抛光光洁度10(0。16),11,12(0。04)镗磨粗镗磨光洁度是7,8,9(0。32)精镗磨光洁度89,10,11(0。1)细镗磨光洁度10(0。125),11,12
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