... weld detection, auto re-weld4. Linear Bearing Rail, better cage precision5. Work with stainless steel, mild steel and galvanized ... compensation, ensures enough space for inserting rings9. Auto cage removal/unlocking10. Cage pulled by step motor, ring space precision is ... perpendicular to the axes, thus the linearity of the cage can be ensuredStroke-adjustable cylinders increase welding speed, pre ...