Parker ST系列永磁无刷伺服力矩电机

stk系列力矩电机

力矩电机的显著特点就是能够在较低转速时产生大的转矩。 力矩电机有相对多的级数，且可以提供空心轴和实心轴两种选择。减速机的缺少极大的改进了力矩电机在旋转应用领域的动态特性。st和stk两个系列的力矩电机被广泛应用于要求旋转的领域中，作为普通风冷的替换选项，强制风冷和水冷都已经成为可能。

stk系列永磁无刷伺服电机采用特殊直接驱动设计（无减速机），特别适合应用在对转矩和功率要求较高的场合，且要求非常低的速度和重量的情况下。

高度完美的电磁和热力学优化设计，使得电机的额定转矩、重量比达到14nm/kg(自然冷却)，31 nm/kg(水冷)。

主要参数：

额定转矩：14nm-2700nm(自然冷却), 6100 nm (水冷)

外壳尺寸：145、190、300、400、500、800

中孔直径：ø 56-630mm

多种绕组可提供多种转速：30rpm-1500rpm

with the stk range, parker offers a solution for direct driveapplications. examples include:
xx applications needing total integration of the motor within the servomechanism due to volume and/or weight considerations xx applications needing a large-diameter hollow shaft demanding a ring-type technology。

main characteristics

xx continuous torque from 14nm to 2 700nm with natural convection (according to size), and up to 6 100nm with
fluid cooling.
xx six external diameters from 145mm to 800mm.
xx internal diameters from 56mm to 630mm.
xx various windings available from 30rpm to 1 500rpm according to size.
parker’s stk range of permanent magnet brushless motors has been specially designed for direct drive (without a gearbox),particularly in applications needing very low volume and weight in relation to the torque and power requirements.
electromagnetic and thermal optimisation has permitted continuous torque-to-weight ratios up to 14nm/kg to be achieved with natural convection and up to 31nm/kg with fluid cooling.
the parker stk range of frameless motors addresses very demanding industrial applications, not only in terms of performance(dynamic performance, torque capability and precise rotation at low speed) but also in terms of cost. particular attention has therefore been paid in the design to the combination of technical and economic optimisation.
industrial users can sometimes be dissatisfied with direct drive servo systems because they are frequently based on torque motors with limited power and speed capability. with the stk range, parker set out to counter this objection by creating motors that could not only satisfy low-speed applications with their associated speed regulation, but could also address direct drive applications up to 30kw in natural convection at speeds up to 1 500rpm.
the various speed ratings are achieved by having a range of available windings. some of these are illustrated in the catalogue, but numerous winding variations are possible to allow the drive system to be optimised.

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