考虑到泵运行时的种种因素,通常主动螺杆和从动螺杆仍有可能想接触发生摩擦。主动螺杆是与两根从动螺杆相啮合,主动螺杆转一周其螺旋型面的磨损量就比从动螺杆螺旋面的磨损量大一倍,因此若两者采用相同的材质,在相同的加工精度和相同的硬度情况下,主动螺杆的寿命会短于从动螺杆。因此通常采取主动螺杆的材料优于从动螺杆,或在相同材质时主动螺杆热处理后的硬度高于从动螺杆。当泵应用在输送燃油等润滑性较差的介质或使用在重要的场合时,通常要求对螺杆的螺旋面进行渗氮等热处理。
HSG系列三螺杆泵型号,以下为部分常用螺杆泵型号:
HSG120×4-42 HSG120×4-42T HSG120*4-42 HSG120*4-42T
HSG210×2-36 HSG210×2-36T HSG210*2-36 HSG210*2-36T
HSG210×3-36 HSG210×3-36T HSG210*3-36 HSG210*3-36T
HSG210×4-36 HSG210×4-36T HSG210*4-36 HSG210*4-36T
HSG280×2-46 HSG280×2-46T HSG280*2-46 HSG280*2-46T
HSG440×2-46 HSG440×2-46T HSG440*2-46 HSG440*2-46T
HSG440×4-46 HSG440×4-46T HSG440*4-46 HSG440*4-46T
HSG940×2-42 HSG940×2-42T HSG940*2-42 HSG940*2-42T
HSG940×4-42 HSG940×4-42T HSG940*4-42 HSG940*4-42T
HSG1300×2-46 HSG1300×2-46T HSG1300*2-46 HSG1300*2-46T
HSG1700×2-46 HSG1700×2-46T HSG1700*2-46 HSG1700*2-46T
HSG1700×4-46 HSG1700×4-46T HSG1700*4-46 HSG1700*4-46T
HSG120×4 HSG120*4
HSG210×2 HSG210*2
HSG210×3 HSG210*3
HSG210×4 HSG210*4
HSG280×2 HSG280*2
HSG440×2 HSG440*2
HSG440×4 HSG440*4
HSG940×2 HSG940*2
HSG940×4 HSG940*4
HSG1300×2 HSG1300*2
HSG1700×2 HSG1700*2
HSG1700×4 HSG1700*4
HSG80×3-36 HSG80×3-42 HSG80×3-46 HSG80×3-54
HSG120×4-46 HSG120×4-54 HSG120×6-42 HSG120×6-46
HSG120×6-54 HSG210×2-40 HSG210×2-46 HSG210×2-54
HSG210×4-40 HSG210×4-46 HSG210×4-54 HSG280×2-43
HSG280×2-54 HSG440×2-40 HSG440×2-42 HSG440×2-54
HSG440×4-40 HSG440×4-42 HSG440×4-54 HSG660×2-40
HSG660×2-42 HSG660×2-46 HSG660×2-51 HSG660×2-54
HSG660×4-40 HSG660×4-42 HSG660×4-46 HSG660×4-51
HSG660×4-54 HSG940×2-46 HSG940×2-50 HSG940×2-54
HSG940×4-46 HSG940×4-50 HSG940×4-54 HSG1300×2-38
HSG1300×2-42 HSG1300×2-54 HSG1700×2-42