SPECIAL AUTOMATIC LATHE CTL 500 (ACM60)

The lathe is especially designed for the finish turning of commutator and (as an option) stack outside diameter of DC motor armatures. It is perfectly suitable for finish turning of alternator rotor slip rings as well. The workpiece is precisely supported in collet chucks both in the spindle and the tailstock quill. After being loaded by hand and the cover door closed, the workpiece is machined automatically.The unique rear toolholder design with automatic adjustment of the tool according to the actual commutator (slip ring) diameter and shoulder face position, ensure constant machining allowance irrespective of the deviations.

Apppoximate capacity: 60-120 pcs/hr.

 

No

Parameter

Value
A Cutting data and tools
1 Turning of commutator & slip ring
Spindle speed 3000 RPM
Feed (adjustable) 0.1 mm/rev
Toolholder SVHBL 2020 K16
(SANDVIK)
Insert VCGX 16 04 04-AL H10
(SANDVIK)
2 Turning of armature body
Spindle speed 1500 RPM
Feed (adjustable) 0.4 mm/rev
Toolholder PCLNR 2020 K12
(SANDVIK)
Insert CNMG 12 04 04-PM 4025
(SANDVIK)
B Technical data
1 General characteristics
Center height above bed 165 mm
Maximum distance between collet chucks 500 mm
Maximum diameter above cross slide 130 mm
2 Spindle-motor
Motor power 2.2 kW
Maximum motor speed 3600 RPM
Collet closing force (Belleville washer stack) 1250 daN
Collet opening force (Air-Hydraulic amplifier) 2500 daN
3 Tailstock
Quill actuator air cylinder
Quill travel 75 mm
Quill diameter Ø65 mm
Air cylinder diameter Ø63 mm
4 Longitudinal slide (Z-axis)
Drive system step motor
Toothed belt ratio 15 : 72
Lead of the screw 8 mm
Rapid travel 3 m/min
5 Cross slide (X-axis)
Drive system step motor
Maximum work travel 75 mm
Toothed belt ratio 20 : 30
Lead of the screw 2 mm
Rapid travel 1.8 m/min
6 Toolholders (front and rear)
Scale spacing value 0.05 mm
Tool cross section 20x20 mm
7 Rear self-adjustable toolholder
Clamping Belleville springs
Unclamping pneumatic cylinder
Adjusting range (both X and Z axes) 7 mm
8 Overall dimensions:
Length 1206 mm
Width 1340 mm
Height 1300 mm
9 Weight, kg 800 kg

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