双螺杆真空泵直线型转子研究*

doi:10.13385/j.cnki.vacuum.2025.04.06

真空 ›› 2025, Vol. 62 ›› Issue (4): 34-38.doi: 10.13385/j.cnki.vacuum.2025.04.06

双螺杆真空泵直线型转子研究^*

王建国¹, 陈成权², 陈灵丹¹, 李金建², 张宝夫^1,2

1.马德宝真空设备集团有限公司, 浙江台州 318000;
2.台州职业技术学院, 浙江台州 318000

收稿日期:2025-04-02 出版日期:2025-07-25 发布日期:2025-07-24
通讯作者: 张宝夫,教授级高工。
作者简介:王建国（1981-）,男,浙江台州人,硕士,工程师。
基金资助:
*台州市工业计划项目（23gya12）

Research of the Linear Profile Rotor of Double Screw Vacuum Pump

WANG Jianguo¹, CHEN Chengquan², CHEN Lingdan¹, LI Jinjian², ZHANG Baofu^1,2

1. Madebao Vacuum Equipment Group Co., Ltd., Taizhou 318000, China;
2. Taizhou Vocational & Technical College, Taizhou 318000, China;

Received:2025-04-02 Online:2025-07-25 Published:2025-07-24

摘要/Abstract

摘要： 提出了一种螺杆真空泵直线型转子型线设计方法,给出了型线方程和针对 LG70 型螺杆真空泵转子型线的主要结构参数;对新型螺杆真空泵进行加工分析,优化了加工方式;基于该转子型线进行了实际产品生产,并与原摆线型转子螺杆泵的抽速等性能指标进行了对比。结果表明：新设计的直线型转子型线具有容积效率高、加工方便、定位准确的特点,与摆线型转子螺杆泵相比抽气效率和加工效率均得到了提高。

关键词: 螺杆真空泵, 转子型线, 直线型转子, 装配间隙

Abstract: A kind of linear profile rotor screw vacuum pump was proposed , and the main structural parameters of the rotor profile of the LG70 screw vacuum pump were given. The new screw pump processing method was analyzed and improved. Based on the rotor profile, the actual product production was carried out, and the pumping speed and other performance indexes were compared with the original cycloidal rotor screw pump. The results show that the new design is characterized by high volume efficiency, convenient processing and accurate positioning, and the efficiency of production and pumping of the linear rotor screw pump are improved compared with the cycloidal rotor screw pump.

Key words: screw vacuum pump, rotor profile, linear profile rotor, assembly clearance

中图分类号: TB752⁺.26

王建国, 陈成权, 陈灵丹, 李金建, 张宝夫. 双螺杆真空泵直线型转子研究^*[J]. 真空, 2025, 62(4): 34-38.

WANG Jianguo, CHEN Chengquan, CHEN Lingdan, LI Jinjian, ZHANG Baofu. Research of the Linear Profile Rotor of Double Screw Vacuum Pump[J]. VACUUM, 2025, 62(4): 34-38.

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双螺杆真空泵直线型转子研究^*

Research of the Linear Profile Rotor of Double Screw Vacuum Pump

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