门式剪切机的特点：
Features of portal shears:
1、 敞开式加料，提高剪切处理量，剪切预加料，提高生产效率
1. Open type feeding, increase the shear processing capacity, shear pre feeding, improve production efficiency
2、 平行装置，过行程设计，提高产品使用寿命
2. Parallel device, over travel design, improve product service life
3、 机、电、液一体化控制，PLC控制，操作方便，可靠性高
3. Machine, electricity and hydraulic integrated control, PLC control, convenient operation, high reliability
4、 液压驱动，工作平稳，剪切力度大，生产效率高
4. Hydraulic drive, stable operation, large shearing force, high production efficiency
5、 带预压缩装置，提高剪切效率
5. With precompression device to improve shear efficiency