目的　研究变温低压（真空） 渗碳技术的可行性和相关工艺． 方法　在自制的装置上进行工艺试验， 并对试验结果进行测试分析． 结果　试验结果证明： 变温低压渗碳不仅是可行的， 而且显示出快速和节能的优点． 结论　这种技术可以在许多方面得到应用 Objective To study the feasibility and related technology of variable temperature and low pressure (vacuum) carburizing technology. Methods Process test was carried out on self-made device, and the test results were tested and analyzed. The results of the test results show that: variable temperature low pressure carburizing is not only feasible, but also shows the advantages of fast and energy saving. Conclusion This technique can be applied in many ways