我厂在铆接煤车拉板时,是用直径25公厘的铁棍在1/4吨的蒸汽锤上铆合起来。这样改进后,不但工作效率有了显着提高,而且还节省了制造铆钉的时间。铆接前先把两个铆合件用电焊方法焊上几点,再钻出铆钉孔,然后放在汽锤上铆接。铆接时,先在铆钉孔下面放上垫铁,再将已加热好的铁棍 I plant riveting coal car pull plate, is the diameter of 25 mm iron stick in 1/4 tons of steam hammer riveted together. This improvement, not only has significantly improved work efficiency, but also saves the manufacturing of riveting time. Before riveting the two riveting parts welding method using a few welding points, and then drilled rivet holes, and then on the hammer riveting. Riveting, the first hole in the rivet put horn, and then have been heated iron bar