Small-sized SL Series (Ø330 ~ 350mm max. turning diameter)
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| ITEM / MODEL | SL-20 | SL-30 | SL-35 |
| Swing over bed (mm) | Ø400(Ø15.7") | Ø400(Ø15.7") | Ø400(Ø15.7") |
| Swing over cross slide (mm) | Ø330(Ø13") | Ø330(Ø13") | Ø350(Ø13.8") |
| Chuck size (inch) | 6 | 8 | 8 |
| Bar capacity (mm) | Ø42(Ø1.7") | Ø51(Ø2") | Ø51(Ø2") |
| Spindle nose | A2-5 | A2-6 | A2-6 |
| Spindle bore (mm) | Ø55(Ø2.2") | Ø65(Ø2.6") | Ø65(Ø2.6") |
| Spindle transmission | One step | One step | One step |
| Spindle speed (rpm) | 6000 | 4500 | 4500 |
| Spindle motor (kW) | 5.5 / 7.5 | 11 / 15 | 11 / 15 |
| Spindle bearing diameter (mm) | Ø90(Ø3.5") | Ø100(Ø3.9") | Ø100(Ø3.9") |
| No. of tools | 12 | 12 | 12 |
| Cross travel (X-axis)(mm) | 180(7.1") | 180(7.1") | 190(7.5") |
| Y-axis travel (mm) | - | - | ±40(1.6") |
| Longitudinal travel (Z-axis) (mm) (for Y-axis) | 600 (23.6") | 600 (23.6") | 400(300) <15.7 "(11.8")> |
| Rapid traverse (X/Y/Z) (m / min) | 24 / - / 24 | 24 / - / 24 | 24 / 10 / 24 |
| Tailstock travel (mm) (for Y-axis) | 500 (19.7") | 500 (19.7") | 320(12.6") |
| Tailstock quill travel (mm) | 60(2.4") | 60(2.4") | 60(2.4") |
| Tailstock quill diameter (mm) | Ø60(Ø2.4") | Ø60(Ø2.4") | Ø60(Ø2.4") |
| Tailstock spindle taper - Fixed | MT#4 | MT#4 | MT#4 |
| Tailstock spindle taper - Rotary | MT#3 (Opt.) | MT#3 (Opt.) | MT#3 (Opt.) |
| Servo motor (X-axis) (kW) | 1.6 | 1.6 | 1.6 |
| Servo motor (Y-axis) (kW) | - | - | 1.6 |
| Servo motor (Z-axis) (kW) | 1.6 | 1.6 | 1.6 |
| Power turret moter (Y-axis) (kW) | - | - | 3.7 / 5.5 |
| Bed Inclination / Saddle Inclination (*) | 30° (*) | 30° (*) | 45° |
| Weight (kg) | 3800(8360 lb) | 4000(8800 lb) | 4200(9240 lb) |
| Machine dimensions (mm) - WxH | 1851 x 1862(72.9"x73.3") | 1851 x 1862(72.9"x73.3") | 1552 x 1710(61.1"x67.3") |
| Machine dimensions (mm) - L | 3525(138.8") | 3525(138.8") | 3680(144.9") |
All the specifications above are subject to change without prior notice.
Standard Accessories
- External coolant supply system 4 bar
- Full enclosure for machining area w/ interlocks system
- Through hole 3-jaw chuck w/ 1 set of hard & soft jaws
- Programmable hydraulic tailstock (for SL-35/50/65/70/80/100/120 series)
- Hydraulic tailstock quill (for SL-20/30/40/40L series)
- Sub-spindle in replacement of tailstock (for SL-2S series)
- Chain type chip conveyor w/ trolley
- Foundation bolts and levelling pads
- Complete set of machine manuals
- Toolbox for basic maintenance
- 12-position direct-mount non-driven turret w/ 1 set of turning tool holders
- Automatic centralized lubrication system for guideways & ball screws w/ alarms
- LED working lights
- 3-color signal tower
- Heavy box ways on all axes
- Fanuc 0i-TF PLUS controller w/ 10.4” LCD & Manual Guide i
- Foot pedals for chuck clamping & releasing
- Foundation bolts and levelling pads
Optional Accessories
- Siemens SINUMERIK 828D controller
- Fanuc 31i-MB PLUS or Siemens SINUMERIK ONE controller
- 2-speed belt-type gearbox (for SL-20/30/35/40/40L series)
- C-axis (C.S axis with angle encoder but without gearbox / C.F axis with gearbox)
- Angle encoder for CF-axis
- C+Y axis
- Live tool turret BMT or VDI system
- Auto tool touch probe Renishaw HPMA
- Semi-auto tool touch probe Renishaw HPPA
- Fully manual tool touch probe Renishaw HPRA
- Workpiece measuring device Renishaw OLP40 or RLP40
- Programmable hydraulic tailstock (for SL-20/30/40/40L series)
- Rotary quill
- Bar feeder interface (or bar feeder system)
- Parts catcher
- Conveyor belt for partm
- JOHNFORD-made manual steady rests
- Hydraulic steady rests
- High pressure coolant supply system through turret 20 bar or above w/ cartridge type filtration system
- Chuck air blast
