Besides, centering andtack welding by laser beam should be avoided as centering point andtack-welding point can influence weld quality largely.
但焊缝质量受激光对中点和点焊点的影响很大,应尽量避免采用激光对中及点焊。
2
The effects of propdrtion of soft and hard monomer, the content of functional monomer and emulsifier on the viscosity, ball tackand hold tack, peeling strength of adhesives were discussed.