Item Unit CK6142 CKJ6142 CKP6142 CK6152 CKJ6152 CKP6152 Swing over bed mm 420 520 Swing over carriage mm 210 320 Maximum length of workpiece mm 500/750/1000/1500/2000/3000 500/750/1000/1500/2000/3000 Maximum turning length mm 310/580/830/1330/1830/2830 310/580/830/1330/1830/2830 Span of guideway mm 400 400 Spindle nose A26 A28 Chuck(Manual) mm §¶ 200(standard configuration) §¶ 250(standard configuration) Chuck(Hydraulic) mm §¶ 200(8") §¶ 250(10") Chuck(Pneumatic) mm §¶ 200 §¶ 250 Spindle bore mm 58 80 Taper hole of spindle 1:20/63 1:20/80 Spindle speed and range CK6142 auto 4 gear steps,stepless speed change in the step 27.5-2200r/min CK6152 auto 4 gear steps,stepless speed change in the step 25-2000r/min CKJ6142 12 gear speed, 35-1600r/min CKJ6152 12 gear speed, 35-1600r/min CKP6142 4 gear steps,stepless speed change in the step 14-1600r/min CKP6152 4 gear steps,stepless speed change in the step 14-1600r/min Center height from bed mm 225 270 Min.feed increment of X-/Z-axis mm 0.001/0.001 0.001/0.001 Rapid speeds of X-/Z-axis mm/min 4000/6000 4000/6000 Max.travel of x-axis mm 300 300 Tool-post working position Vertical 4-position electrical turre Vertical 4-position electrical turre Indexing time s 2.4(V4) 2.2(V6) 1.6(H6) 2.4(V4) 2.2(V6) 1.6(H6) Indexing repeatility "mm 0.008 0.008 Section of tool shank mm ¡õ25 ¡õ25 Diameter of tailstock quill mm 85 85 Travel of tailstock quill mm 150 150 Taper hole of tailstock quill Morse 5 Morse 5 Workpiece accuracy IT6-IT7 IT6-IT7 Surface roughness Ra1.6 Ra1.6 Acceptance conditions JB/T8324.1-96 JB/T8324.2-96 JB/T8324.1-96 JB/T8324.2-96 Main motor power kw 7.5 7.5 Machine mass kg 2600 2900 3200 3600 4000 5200 2600 2900 3200 3600 4000 5200 Length mm 2630 2740 2990 3560 4040 5040 2630 2740 2990 3560 4040 5040 Width mm 1500 1500 Height mm 1810 1810