Four peaks 840 roof-pressure equipment maintenance and maintenance do not understand the structure and performance of the machine and operating procedures shall not start the machine. Closed prohibited exceed the minimum height of work, that work on the sliding surface to the bottom surface of the upper and lower required minimum distance 290 mm height after mold is coupled with the upper and lower plate thickness soled plus tiles are not allowed more than 290 mm, manufacture of molds this requirement should be designed to avoid machine accidents. Often observe, and both sides of the body sliding box oil level. Equipment should always wipe to keep clean, and not have dirt water. Technical parameters Model :30 -280-840 length × width × height 5500mm × 1300mm × 1400mm Weight: 2.2 ton molding axis: Diameter 68mm 45 # quenched molding wheel: material 45 # forged chrome plated Transmission: chain wheels, chain motor: 3KW forming rows: 13 rows of automatic computer and Cutting System: Pump Motor: 3KW four cutting mold: Gr12 Forming speed :8-10m / min suppress thickness :0.2-0 .8 mm repression Width: 1000m