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LATHES, ENGINE (Also See Lathes, Engine, Gap or Tracer & Copying)

63" x 200" D-F #CF61160M, Series CF-M, 3-Bed Ways, 12 ton cap.

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D-F Series CF-M 3-Bed Ways Conventional Lathes Model CF61160M.
Basic information: Max. Workpiece load 12 ton, width of bed is 970mm, three guideways in Z axis
Introduce:
The machine tool produced by our Corporation belongs to the multi-function series general machine tool whose load capacity is 12 tons. With the features of high accuracy, high reliability, high rigidity, precise manufacturing, elegant appearance as well as convenient maintenance, the machine tool could accomplish many tasks, such as rough or finish machining of metal and non-metal workpieces, turning of end faces, encircles, and inner holes, as well as turning of metric, BSP and module threads. The machine can also achieve short taper turning with the motor-driven upper tool rest individually. It has been the first choice for many machining and manufacturing industries such as paper making machinery, glue roller manufacturing, maintenance and repair, railway, moulds, large valves and metallurgy roller, etc.
Main Technical Parameters
Item      Unit      CF61125M      CF61140M      CF61160M      CF61180M
Swing diameter over bed      mm      1250      1400      1600      1800
Swing diameter over toolpost      mm      880      1050      1250      1450
Max. Weight of workpieces      ton      12
Max. Length of workpieces      mm      3000 to 10000(Tailstock sleeve extend out 250mm)
Width of machine bed      mm      970
Spindle speed      r/min       4.25-192 total 12 steps
Section of tool shank      mm      45×45
Spindle diameter      mm      200 front
Taper hole of spindle             1:20
Diameter of spindle hole      mm      100
Stroke of top toolpost      mm      300
Longitudinal rapid travel speed      mm/min      3800
Cross rapid moving speed      mm/min      1900
Feed species of toolpost             48
Feed range of toolpost      mm/r      longitudinal 0.057~12.726 cross 0.027~ 6.096
Diameter of tailstock sleeve      mm      Φ200
Taper hole of tailstock center             Morse No.6
Stroke of tailstock sleeve      mm      250
Species number of threads      mm       Metric 46 Range 1-224
      tooth/inch      BSP 46 Range 28~1
      mm       Module 37 Range 0.25~56
Main motor parameters             22kw 380V 50HZ 970rpm
Total power of the machine      KW      24.85
Steady rest      Standard       mm      Φ200-550      φ500-850
      Optional             φ500-850      φ200-550
                                          

Machine Bed:
The machine bed, 970mm in width and 710mm in height, adopts ∧ flat guideways of excellent craftiness. With the box shape canting pull rope structure of high rigidity, it is also designed for a casting structure and appropriate rope arrangement internally. The guideways adopt the middle frequency quenching-grinding process which makes them a quality of fine hardness. Wear resistant materials applied on the friction pairs of guideways endow the machine tool with excellent characteristics of wear resistance and accuracy consistency.
Headstock
The front diameter of spindle is 200mm. The triple supporting structure has formed the spindle a feature of high rigidity, high strength as well as high accuracy. Bearings with high accuracy of KOYO (Japan), NSK or a certain famous brand domestically would be selected for spindle use. Double row cylindrical roller bearings with high machining accuracy will be used for front and back bearing journals, the inner circle of which is a tapered hole whose taper is 1:12. Besides matching design with the tapered journal of spindle, the inner circle may adjust the clearance of the bearings under the condition of axial movement, thus effectively improving the accuracy.
Tailstock
Active centers are equipped internally in the tailstock sleeve whose diameter is 200mm, which endows it with the feature of high rigidity and rotating accuracy. The tailstock is divided into upper body and lower. Spindle is equipped in the upper while motor-driven and backward preventing security mechanisms are equipped in the lower
Saddle & Tool Rest
Every series has the function of automatic feeding mechanically. Double-layer compound rests are equipped in the machine tools whose swing diameter is above 1400mm, which easily realize the longitudinal or cross feeding operations.
Feed Box & Slide Box
These are the same as the ones equipped in CF series. With the characteristics of simple and reliable structure as well as convenient maintenance and repair, the type of products belong to the most reliable and mature ones of our Corporation. The electromagnetic clutch driving and the cross handle switches adopted greatly improve the easiness of operation.
Machine tool accuracy:
GB/T4020-1997 standards will be performed for accuracy checking of horizontal lathe.

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