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1. CN108543898 - Ultrasonic auxiliary precision forging method and device

Office
China
Application Number 201810441692.1
Application Date 10.05.2018
Publication Number 108543898
Publication Date 18.09.2018
Publication Kind A
IPC
B21J 5/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
5Methods for forging, hammering, or pressing; Special equipment or accessories therefor
02Die forging; Trimming by making use of special dies
B21J 13/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
13Details of machines for forging, pressing, or hammering
02Dies or mountings therefor
B21J 13/00
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
13Details of machines for forging, pressing, or hammering
CPC
B21J 5/025
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
5Methods for forging, hammering, or pressing
02Die forging; Trimming by making use of special dies ; ; Punching during forging
025Closed die forging
B21J 13/00
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
13Details of machines for forging, pressing, or hammering
B21J 13/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
13Details of machines for forging, pressing, or hammering
02Dies or mountings therefor
Applicants JIANGSU UNIVERSITY
江苏大学
Inventors JIANG YINFANG
姜银方
SHA DELI
沙德利
ZHU MENGCHENG
朱梦成
JIANG WENFAN
姜文帆
Title
(EN) Ultrasonic auxiliary precision forging method and device
(ZH) 超声辅助精锻方法与装置
Abstract
(EN) The invention discloses an ultrasonic auxiliary precision forging method and device, and relates to the field of forging. The ultrasonic auxiliary precision forging method and device comprise an upperconcave die, a lower concave die, an upper punch head, a lower punch head, an upper ultrasonic vibration mechanism and a lower ultrasonic vibration mechanism;and an ultrasonic vibration device penetrates through a punch cushion sleeve and a through groove in the middle of a template and is fixedly connected to the punch heads, an variable amplitude rod transmits the amplified ultrasonic vibrationto the punch heads, and the punch heads transmits the vibration to a blank. According to the ultrasonic auxiliary precision forging method and device, the frequency, the amplitude, the vibration modeof the ultrasonic vibration and the shape and the size of the punch heads are changed to suit for precision forging of different products; the method and device have the advantages that the plastic deformation capability of the metal is greatly improved, the metal filling property is improved, the friction force between the blank and the die is reduced, the grain structure is refined, the roughness of the forming surface is reduced, the demolding capability of the forge piece is improved, the applicability is wide, the material utilization rate and the product percent of pass are improved.
(ZH) 本发明公开了超声辅助精锻方法与装置,涉及锻造领域,包括上凹模、下凹模、上冲头、下冲头、上超声振动机构和下超声振动机构;将超声振动装置穿过冲垫套、模板中间的通槽与冲头固定连接,变幅杆将放大后的超声振动传递给冲头,冲头再将振动传递给坯料,通过改变超声振动的频率、振幅、振动模式和冲头的形状、尺寸来适用于不同产品的精锻,该方法和装置大幅提高了金属的塑性变形能力,提高金属填充性,减小了坯料与模具之间的摩擦力,细化晶粒组织,降低成形表面的粗糙度,提高了锻件的脱模能力,适用性广,提高了材料利用率和产品合格率。
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