Stock Code

300283

Direct

Direct

About Us

Company Profile Corporate Culture Honor Hisitory Our Vision

Products

Electrical Contact Materials Metal-matrix Engineered Composite Materials Cemented Carbide Materials Copper Foil for Lithium Ion Battery Lead Frame Intelligent Equipment

Application

Industrial Electrical Product Smart Home Smart Transportation Intelligent Manufacturing Electronic Communication Energy Management

R&D

Enterprise Institute Innovation Laboratory Services

News

News Video Center

Investor Relations

Stock Information Periodical Announcement Announcement

Sustainability

Green Development Social Contributions

Jobs & Careers

Policy of Treating Professionals Career Development Employee Recruitment

Contact Us

Contact Information Business Cooperation

Wenzhou Hongfeng organized a report meeting to s...

On November 15th, Wenzhou Hongfeng organized a report me...

To build a safety “firewall”, Wenzhou Hongfen...

On the afternoon of November 23, Wenzhou Hongfeng and D...

Wenzhou Hongfeng won the honorary title of “Na...

Recently, the China National Intellectual Property Adm...

stake官网

什么是火焰焊？？？？？？

Release time：2014.01.07

Publisher：Hongfeng

使用可燃气体和助燃气体混淆点燃后爆发的高温火焰（热源）来熔化工件的待焊部位（如：坡口），，，，，并通过向熔池内填加填充质料（如：焊丝），，，，，使被熔化的金属形成一共有熔池，，，，，随着热源一直地向前移动，，，，，脱离热源的部位最先冷却，，，，，熔池随之凝固，，，，，最后形成一条焊缝

Previous：什么是电阻焊？？？？？？ Next：什么是接触器？？？？？？