Product Description BIG BORE HORIZONTAL LATHE CD6250-CD6263 Major Uses Of Lathe: The machine is a lathe with big bore, besides having the functions of a universal lathe such as turning external and internal cylindrical surfaces and tapers, facing, as well as cutting metris, whitworth, module and diametral pitch threads. The machine is also suitable for turning disc-shaped, irregular workpieces etc. Compared with a universal lathe of the same specifications, the machine is more suitable for turning pipe conducts which outside diameter is under φ 83mm, because of its big spindle bore. Lathe bed of this machine is designed with a new structure, its surface of guideways is employed ultra-sonic quench, and so the machine has high rigidity of lathe bed, deep hardening of guideway's surface and good enduring precision. The working precision of the machine can read IT7, while its surface roughness can be up to Ra1.6μ M. It is suitable for use on single workpiece and small batches production in mechanical works or in repair shops of works.Specifications Unit CD6263 CD6250 Main specification of lathe Max swing over bed mm 630 500 Max length of workpiece mm 1000 1500 2000 1000 1500 2000 Max swing over carriage mm 410 280 Max diameter of bars through spindle bore mm 83 83 Range of thread cutting Metric threads 32kinds 0.9~40mm Whitworth threads 32kinds 40~1t. p. i Module threads 24kinds 0.45~10mm D. P. threads 30kinds 80~1 3/4mm Distance between centers mm 1000 1500 2000 Spindle Diameter of spindle bore mm 85 Taper in spindle bore 1 20 Range of forward spindle speeds 12kinds 21 -1300r/min Range of reverse spindle speeds 12kinds 21 -1300r/min Max travel Longitudinal 900 1400 1900 Rapid traverse mm/min 4000 cross mm 340 Top slide mm 150 Number and Range of feeds Longitudinal feeds 138kinds 0.04-2.23mm/r Cross feeds 138kinds 0.02-1mm/r Graduated values on carriage Longitudinal mmp. g 1 cross mmp. g 0.02 Top slide mmp. g 0.05 Swivel range of carriage ± 45° Size of tool shank 25× 25 Distance between tool bottom and spindle axis mm 28 Max distance between flank of tool carriage and spindle axis mm 260 Tailstock Taper of inner hole in center sleeve Morse No. 5 Max travel of center sleeve mm 180 Max cross travel mm ± 15 Motor Type of main motor Y132 M-4 Power kw 7.5 Synchronous speed r/min (50HZ): 1500 / (60HZ): 1800 Type of rapid feed motor AOS5632 Power kw 0.37 Type of cooling pump AYB-25/AB-25 Power kw 125/90 Flow capacity L/min 25 Main driving V belts Type Model B Length mm 2180 1981 Quantity 4 Machine overall dimensions(L× W× H) mm 3410× 1000× 1380 2910× 1000× 1380 2410× 1000× 1380 3610× 1140× 1710 2910× 1000× 1315 2410× 1000× 1315 Weight kg 2900 / 2600 / 2300 2600 / 2270 / 2000
