Great gear sealed case (8) cycloid confidential seal or without defects, whether the gap is normal (9) sealing bead without loose (10) enclosures for visible skin deformation assume that your lift stroke of 500mm. So go the time needed to complete the process: fast when landing speed: 500mm ÷ (1450 mm ÷ 60s) = 20.7s (seconds) Slow lifting speed: 500mm ÷ (362 mm ÷ 60s) = 83s (seconds). Screw jack screw jack platform | Endurance International Quality | FX screw jack provided by the Texas Haokun Machinery Co. Screw jack | Endurance International Quality | FX screw jacks Texas Haokun Machinery Co., Ltd. (www.sdnljsj.com) (www.sdnljsj.com) this year introduced a new upgrade, the above picture is for reference only, please call this page or Tel picture on to obtain the latest information, contact: Liu Zhenhua.