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　　Product description of the pre-press: 1. The main frame is welded with high-quality national standard steel plates, with reasonable structure design, good strength and high bearing pressure. 2. Adopt top-mounted high-quality oil cylinder, and the main parts adopt advanced hydraulic parts to ensure a long service life. 3. Fully automatic hydraulic control system is adopted, with accurate pressure control, short pressurization period and high working efficiency. 4. Applicable to the production of technical wood. Number of plungers 2 Pillar plug cylinder diameter ￠ 320 (alloy material, anti-scratch) plunger cylinder stroke 800mm plunger cylinder origin Wuxi hydraulic system semi-automatic control hydraulic system pressure resistance 25MPa main motor 7.5KW pressure motor 5.5KW main oil pump 100 : 100 duplex vane oil pump pressurized oil pump 10mI / rev plunger oil pump pre-press machine open 1700㎜ main frame size 3600 × 1370 × 4150mm