OPTIturn TH 4620

OptiTurn TH 4620 - New Precision Center Lathe, unique in precision and operation
- New digital position display DPA 21
- Hardened and ground slideways
- Spindle Camlock DIN ISO 702-2 Nr. 6
- Coolant system with separate coolant tank, level indicator and oil separator Easy and complete emptying and cleaning in accordance with DIN
- Guaranteed concentricity precision of the spindle nose better than 0.015 mm
- Right-handed rotation at the lathe slide switchable via indexing spindle
- Mechanical longitudinal feed switch off the lathe slide with four adjustable cams
- leading spindle
- Foot-operated emergency stop device
- Electrical components with Siemens
- Scale of the threading gauge
- Central lubrication at the lathe slide
DRO DPA 21 - Speed ​​display
- Significant reduction in production times
- Higher working accuracy
- Error rate is reduced
- Glass scales
Equipment Details:
Main spindle - Hardened and ground
- In oil bath
- In 2 adjustable precision taper roller bearings mounted
- Gears smoothly, hardened and ground

Quick feed gear - Enclosed assembly
- Gears and shafts are hardened and ground
- In oil bath running on precision bearings

DRO - DPA 21

Carriage - worked Precise
- Handwheels with adjustable precision scaling of 0.04 / 0.02 mm
- All guides adjustable by gibs
- Shafts and wheels run in oil
- Adjustment range upper slide ± 90 °

Spannschutz - large dimensions
- Integrated LED lamp

Energy chain - wiring through energy chain

Tailstock - for taper turning ± 15 mm adjustable
- Tailstock spindle sleeve and handwheel with adjustable precision scaling 0.025mm

Electrical connection: 400 V / 3 Ph ~ 50 Hz
Total connected load: 5.8 kW
Capacity of the coolant pump: 100 W
Drive motor spindle: 5,5 KW
Spindle taper: MK 6
Spindle taper: Camlock DIN ISO 702-2 Nr. 6
Spindle bore, bar capacity: 58 mm
Quadruple tool holder Seat height: max. 25 x 25 mm
Center height: 230 mm
Distance between centers: 2,000 mm
Swing over machine bed: 465 mm
Swing over cross slide: 270 mm
Turning Ø in the bed gap: 690 mm
Turning length in the bed gap: 240 mm
Bed width: 300 mm
Spindle speed: 25 - 2000 rpm 1
Number of steps: 12 steps
Traverse top slide: 125 mm
Traverse cross slide: 285 mm
Longitudinal feed in the range: 0.031 to 1.7 mm / rev 42 feeds
Cross feed in the range: 0.014 to 0.784 mm / rev 42 feeds
Pitch - Metric in the range 0.1 - 14 mm / rev 41 pitches
Pitch - inch in the range: 112-2 Gg / 1 41 pitches
Diametral pitch in the range: 4 - 112 50 Gewindegaenge
Module threads in the range: 0,1 - 7 34 module thread
Tailstock: MK 4
Tailstock quill diameter: 60 mm
Tailstock sleeve: 130 mm
Dimensions (L x W x H): 3.250 mm x 1.245 x 1.568 mm
Net weight: 1945 kg

Reducing bush MT 6 / MK 4
- Steady center MT 4
- Steady rest passage Ø max . 160 mm
- Follow rest passage Ø max . 100 mm
- Quick-action tool holder SWH 5 - B
- Tool holder 25 x 120 type D for square tool
- Threading gauge
- Coolant system
- Machine lamp
- Change gear kit
- Operating tools
Note : The machine will not forget delivered without oil Chucks