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首页> 外文期刊>Metallurgia >Improved method of heat treating camshafts and crankshafts
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Improved method of heat treating camshafts and crankshafts

机译：凸轮轴和曲轴热处理的改进方法

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摘要

Welduction's SCPL~R (semicircle, phase-locked) process is used for selective heating of small diameters of irregular surfaces adjacent or confined within larger diameters, which normally would require a clam shell or probe type inductor. It is appropriate for induction hardening and tempering crankshafts and camshafts made from medium carbon steel. It improves on current technology with its simple design and multiple applications. Current processes and machinery utilise the 'Figure 8' or side-approaching inductor coil for heat treating crankshafts and camshafts. With the Figure 8 process, only 25 percent to 30 percent of the feature face is heated at a time. This requires the part to be rotated with complex hydraulically counter-balanced heat stations. As a result, the part has to be heated for a long period of time. Tight air gaps between the part being processed and the inductor coil produce arcing as the coil unintentionally touches the part. Arcing can lead to frequent and costly coil repairs. Welduction claims its SCPL process eliminates these costly inefficiencies by encompassing the whole part, full coverage single shot. SCPL induction technology can also save time and money.
机译：Welduction的SCPL〜R（半圆，锁相）工艺用于选择性加热小直径的不规则表面，该不规则表面邻近或限制在大直径内，这通常需要蛤壳或探针型感应器。适用于中碳钢制成的曲轴和凸轮轴的感应淬火和回火。它以其简单的设计和多种应用对现有技术进行了改进。当前的工艺和机械都使用“图8”或侧面接近感应线圈对曲轴和凸轮轴进行热处理。通过图8的过程，一次仅加热25％到30％的特征面。这要求零件通过复杂的液压平衡热站进行旋转。结果，零件必须长时间加热。由于线圈意外接触到零件，被加工零件与感应线圈之间的气隙会产生电弧。电弧会导致频繁且昂贵的线圈维修。 Welduction声称其SCPL流程通过涵盖整个部分，全覆盖的单发镜头，消除了这些代价高昂的效率低下的情况。 SCPL感应技术还可以节省时间和金钱。

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