Laser spells meet an emergency of solder board component to analyse application

The data that check place uses Bencishi is experimental data cold rolling armor plate, the ply of experimental data is 0.

8mm and 0.

Of 8mm wait thick board laser joining together. 2.

Experimental method 2.

1 laser spells solder to be opposite afore-mentioned 0.

8mm and 0.

Of 8mm wait for thick material to undertake laser spells solder, laser Cutting is used to prepare to the ministry side its in this research, its quality can satisfy the requirement of quality of ministry of the subtense when laser spells solder via examining. PRC CO2 laser is used to undertake to experimental data laser solders in this second experiment. Laser beam welding receives power to use 4000W, solder protective gas is enraged for helium, sample laser beam welding receives speed to be 4500mm/min, focusing focal length is 220mm. Laser spells the sample size of solder wool blank to be 1980 × 1960mm. 2.

2 fact rush and case of true proved recipe spells solder board to have test of figuration limit graph to substrate and laser, press GB/T 15825.

8 - 1995 standards undertake. Go all out laser blank of solder board wool to undertake punch in car plant at the same time, form car component finally, have the part after punch meet an emergency measures an analysis. In this research, use reseau meet an emergency to analyse a technology, the forehead in experimental board is same area prints a diameter the circle of 5 millimeter is tangent reseau, strong below normal production condition make car component, undertake metrical with garden of transparent film reseau, measure the position to be welding line edge. 3.

Result and discuss 3.

1 substrate and laser spell basis of graph of limit of solder board figuration experimental condition, reseau is printed on experimental data, with the tool microscope measures the accident axis of reseau of quantitative change form after figuration, scale gives figuration limit picture, see a picture 1. Experiment of figuration limit graph makes clear, when figuration, as a result of,laser spells solder board welding line relatively substrate hardness is tall, welding line is in figuration to deliver suffocate suffocate, break firm, craze more quickly, figuration limit compares substrate apparently low, advocate meet an emergency is the smallest place (planar meet an emergency) for 30 ％ , and substrate advocate the smallest part is meet an emergency 44 ％ . 3.

2 laser spell meet an emergency of solder board component to measure the component appearance feature that makes according to rushing, take 4 to be out of shape larger area undertakes meet an emergency is measured, measure the position to see the graph is shown 2 times. Measure a result to see the graph is shown 3 times. The result makes clear, this laser spells solder board spare parts to be out of shape means basically is planar meet an emergency, circumstance of the biggest deflection is every area: 1 is 4 3 2 14 ％ , 7 ％ , 11 ％ , 6 ％ . From the experiment board can see to the analysis of meet an emergency that makes car component, compare as a result of welding line area and whole stamping workpiece very small, change it seems that in same area meet an emergency accordingly not quite, from meet an emergency synthetic picture looks (graph 4) , experimental board should turn into greatly most 14 ％ . The result of meet an emergency that the spare parts that the figuration limit plan that spells substrate, laser solder board and laser spell solder board strike out is in in welding line is immigrant and same coordinate, see a picture 5, the result makes clear, laser spells welding line of solder board spare parts to manage the biggest risk advocate meet an emergency is 14 ％ , the meet an emergency of the smallest limit below method of this meet an emergency spells solder board to be 30 ％ , reason spells solder board the smallest abundant spends Δ Emin ＝ 16 ％ . Because this spells solder board in laser of welding line area,the figuration of component of completely contented car asks. 3.

3 conclusion (as a result of,1) laser spells solder board the sclerosis of welding line, bring about the fall of figuration function. (Graph of 2) figuration limit and laser spell meet an emergency of solder spare parts to measure an experiment to make clear, abundant spends the security of meet an emergency that laser welding line handles can satisfy car component to be opposite the requirement of strike out form. CNC Milling CNC Machining