-This machine tool can assume all kinds of turning works, it can turnings many kinds of the metric threads, the inch threads, the modutus pitches, the diametrical pitches which are in commen use, and it can bore, heaming, scraping oilcan. -This tool is used of high intensity of cast iron, the surface of guideway has been quenched with high frequency, then it has been elaborate milling. It has high precision and long life. -The gears of the headstock have been quenched with high frequency and elaborate milling, theyhave high precision and low noises.Model BJ1840 Capacity Max. swing dia. Over bed Ø 458mm Max. swing dia. Over toolpost Ø 288mm Max. turning dia. Over bed Ø 380mm Max. swing dia. In gap Ø 640mm Length in gap 155mm Max. workpiece length 1000mm Max. machining length 900mm Spindle Spindle bore diameter Ø 52 D/B series: Ø 77 Taper of spindle bore MT6 D/B series: BJ50: 1: 20 Type of spindle nose Spindle speed Feeds and threads Max. travel of upper toolpost 120mm Max. travel of lower toolpost 230mm Tool section 25x25mm X feed range 40kinds 0.015~0.45mm/r Z feed range 40kinds 0.03~0.90mm/r Metric threads 53kinds 0.4~14mm Inch threads 40kinds 2~56TPI Module threads 44kinds 0.4~7π mm Diametric pitch threads 32kinds 4~56 TPIπ Tailstock Diameter of quill Ø 55mm Max. travel of quill 120mm Taper of quill (morse) No. 4 Motor Main motor power 4KW Cooling pump motor power 0.09KW Others Machine length 2250mm Machine width 980mm Machine height 1210mm Machine weight 1750kgs
