摇臂钻床孔距架(下称孔距架)适用于Z35等主柱、主轴箱分开锁紧装置的摇臂钻床,加工已知座标横线上孔距比较精确的孔,可控制人为的孔距误差,提高孔距的准确度,消除摇臂钻床本身无横向尺寸的缺点,提高了工作效率和工作质量。 Radial drilling machine Pitch frame (hereinafter referred to as the hole distance frame) for Z35 and other main column, the spindle box separate locking device rocker drilling machine, known coordinates horizontal line hole spacing more accurate controllable Hole pitch error, improve the accuracy of hole pitch, eliminate the shortcoming of radial arm drilling machine itself without lateral dimension, improve work efficiency and work quality.