Super Turning Centers
The JOHNFORD ST series SUPER TURNING centers are exclusively designed to not only meet today's needs, but also future requirements. These turning centers give you the very finest in turning technology. Rugged construction assures optimum rigidity and stability for years of reliable, trouble free operation. furthermore, these machines offer the turning accuracy and efficiency that are for beyond ordinary.
ITEM \ MODEL | ST-40AH | ST-60AH | ST-70AH | ST-40BH | ST-60BH | ST-70BH | ST-40CH | ST-60CH | ST-70CH | |
Swing over bed (mm) | 920 (36.2") | |||||||||
Swing over cross slide (mm) | 700 (27.6") | |||||||||
Chuck size (mm) | 304 (12") (Std.) 381 (15") (Opt.) |
381 (15") (Std.) 450 (17.7") (Opt.) |
510 (20.1") (Std.) 610 (24") (Opt.) |
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Bar capacity (mm) | 91 (3.6") (Std.) 102 (4") (Opt.) |
116 (4.6") | 139 (5.5) | |||||||
Spindle nose | A2-8 / A2-11(Opt.) | A2-11 | A2-15 | |||||||
Spindle bore (mm) | 115 (4.5") | 132.5 (5.2") | 152 (6") | |||||||
Spindle speed, step (s) | Auto Hi-Lo | Auto 4 speeds | ||||||||
Spindle speed range (rpm) | 3000 for 12"(91) chuck 2800 for 12"(102) chuck 2500 for 15"(102) chuck |
2000 | 1500 (Std.) 1400 (Opt.) |
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Spindle motor (kW) (30 min / con.) |
22 / 26 | 22 / 26 (Std.) 30 / 37 (Opt.) |
30 / 37 (Std.) 37 / 45 (Opt.) |
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Spindle bearing diameter (mm) | 160 (6.3") | 180 (7") | 200 (7.9") | |||||||
No. of tools | 12 | |||||||||
Cross travel (X-axis) (mm) | 370 (14.6") | |||||||||
Y-axis travel (Opt.) (mm) | ±75 (3") | |||||||||
Longitudinal travel (Z-axis) (mm) | 800/1200/1600 (31.5"/47.2"/63") |
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Rapid traverse (m / min) | X: 15 Y: 10 Z: 18 | |||||||||
Tailstock travel (mm) | 500/900/1300 (19.7"/35.4"/51.2") |
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Tailstock quill travel (mm) | 125 (4.9") | |||||||||
Tailstock quill diameter (mm) | Ø125 (4.9") | |||||||||
Tailstock spindle taper (kW) | MT#5 | |||||||||
Servo motor (X-axis) (kW) | 7 | |||||||||
Servo motor (Y-axis) (Opt.) (kW) | 3 | |||||||||
Servo motor (Z-axis) (kW) | 7 | |||||||||
Bed inclination | 60° | |||||||||
Weight (kg)(lb) | 11000 (24200) |
12100 (26620) |
13200 (29040) |
11200 (24640) |
12200 (26840) |
13300 (29260) |
11250 (24750) |
13250 (29150) |
13350 (29370) |
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Machine dimensions (mm) | W x H | 2270 x 2765 (89.4" x 108.9") 2290 x 2765 (90.2" x 108.9") (for ST-70) |
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L | 5132 / 5532 / 5932 (202" / 217.8" / 233.5") |
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STANDARD ACCESSORIES | OPTIONAL ACCESSORIES |
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