
Z5胀紧套
型号Z5特性Z5型胀紧套与Z4型比较各锥环锥度相同,且内环中间有凸缘,便于拆卸。Z5型结合面较长,锥度较小,用于传递较大载荷和对中精度要求较高的场合。Z5型胀紧联结套的基本尺寸参数:(JB/T7934-1999)基本尺寸额定负荷胀套与轴结合面上的压力PfN/mm2胀套与轮毂结合面上的压力Pf′N/mm2螺钉的拧紧力矩MAN·m重量kgdDlLL1d1n轴向力F1KN转矩M1KN·mmm100145606577M121028814.41921321454.111015515.81751234.41201651234620.81921394.8130180687486M121543328.11931391456.51401901851936.32141577.015020039.02001507.41602102160648.52191677.8170225758195M141871260.621516223010.018023564.120315510.619025088941082079275.217813514.32002602495095.020315615.021027598104120M1618970102.018714235517.5220285990109.018314119.8240305241318158.022217621.42503151340167.521517022.0260325251370178.017223.0280355120126144M18241590222.518814948535.2300375251650248.018314637.4320405135142162M202140344.019215269051.3340425365.018114454.1360455158165187M222670480.017613993075.4380475508.016613379.0400495535.015812882.8420515303200673.018114786.5450555172180204M243700832.51751421200112.0480585323950948.0143119.0500605988.0168139123.0530640190200227M273043201145.01571301600151.05606701210.0148124160.06007103246101380.0147124170.0胀套联结独特的优点:(一)使用胀套使主机零件制造和安装简单。安装胀套的轴和孔的加工不像过盈配合那样要求高精度的制造公差。胀套安装时无须加热,冷却或加压设备,只需将螺栓按要求的力矩拧紧即可。且调整方便,可以将轮毂在轴上方便地调整到所需位置。胀套也可用来联结焊接性差的零件。(二)胀套的使用寿命长,强度高。胀套依靠摩擦传动,对被联结件没有键槽削弱,也无相对运动,工作中不会产生磨损。(三)胀套在超载时,将失去联结作用,可以保护设备不受损害。(四)胀套联结可以承受多重负荷,其结构可以做成多种样式。根据安装负荷大小,还可以多个胀套串联使用。(五)胀套拆卸方便,且具有良好的互换性。由于胀套能把较大配合间隙的轴毂结合起来,拆卸时将螺栓拧松,即可使被联结件容易拆。胀紧时,接触面紧密贴合不易锈蚀,也便于拆开。)