
HMS-750MYS
A turn-mill machine combines turning and milling in one CNC machine, completing multiple operations in a single setup and reducing transfers between machines.
HMS-750MYS Twin-Spindle Turn-Mill Machine
The HMS-750MYS combines main and subspindles with a Y-axis live turret for front- and back-side machining of complex parts. It offers Φ580 mm swing over bed and a BMT55-12T live turret.
Key features
1. Twin motor spindles each run up to 4,000 rpm; the subspindle receives the part for back-side machining.
2. BMT55-12T live turret with ±50 mm Y-axis travel and 2.3 kW live-tool motor supports turning, milling, drilling and tapping.
3. Capacity: Φ580 mm swing over bed, Φ410 mm machining diameter, Φ370 mm over the toolholder and 635 mm length. Main/subspindle bar capacities are Φ52/Φ46 mm.
4. Distance between the two spindles is 45–690 mm, supporting work transfer.
5. 45 mm ball-type guideways, main-spindle motor 15 kW/98 N·m, subspindle motor torque 57 N·m and net weight 5,000 kg.
At a glance
- Twin spindles up to 4,000 rpm; 635 mm machining length.
- BMT55-12T live turret with ±50 mm Y-axis travel.
- Main spindle 15 kW/98 N·m; subspindle 57 N·m; maximum spindle separation 690 mm.
- 5,000 kg net weight for front- and back-side machining.
Frequently asked questions
Specifications and capacity
Q: What distinguishes this configuration?
A: Twin spindles and a Y-axis live turret allow the subspindle to receive the part for back-side machining, while the Y axis supports eccentric and keyway features.
Q: What are its maximum dimensions?
A: Φ580 mm swing over bed, Φ410 mm machining diameter, Φ370 mm over the toolholder and 635 mm maximum length.
Q: What are the spindle outputs?
A: Both reach 4,000 rpm. The main motor is 15 kW/98 N·m and subspindle motor torque is 57 N·m; spindle noses are A2-6/A2-5.
Machine selection
Q: Twin or single spindle?
A: A twin-spindle model supports front- and back-side operations; a single-spindle machine with tailstock may suit long shafts.
Q: HMS-750MYS or HMS-750MY?
A: The MYS has a subspindle for back-side work. The MY uses a single spindle with tailstock for long shafts.
Production and service
Q: Can a chip conveyor or bar feeder be added?
A: Yes. Both are available as automation options.
Q: How is accuracy supported?
A: 45 mm ball-type guideways, SYNTEC servo drives and spindle transfer positioning help reduce re-clamping errors.
Q: What service and training are included?
A: The machine is offered with warranty, on-site installation and commissioning, and operation and maintenance training. Specific warranty terms are subject to the contract.
| Machining Capacity | Unit | 750MYS | ||
| Machining Capacity | Maximum swing over bed | mm | Ф580 | |
| Maximum machining diameter | mm | Ф410 | ||
| Maximum machining diameter over toolholder | mm | Ф370 | ||
| Maximum machining length | mm | 635 | ||
| Maximum main-spindle bar capacity | mm | Ф52 | ||
| Maximum subspindle bar capacity | mm | Ф46 | ||
| Machining dimensions vary with the turret selected. | ||||
| Spindle | Spindle nose | ASA | A2-6 | |
| Spindle bore diameter | mm | Ф65 | ||
| Maximum spindle speed | rpm | 4000 | ||
| Hydraulic cylinder / collet | lnch | 8 | ||
| Subspindle | Spindle nose | ASA | A2-5 | |
| Spindle bore diameter | mm | Ф 56 | ||
| Maximum spindle speed | rpm | 4000 | ||
| Hydraulic cylinder / chuck | lnch | 6 | ||
| Axis Feed | Axis Travel | X axis | mm | 260 |
| Z axis | mm | 800 | ||
| Y axis | mm | ±50 | ||
| Z2 axis | mm | 645 | ||
| Distance between chuck faces: maximum 690 mm, minimum 45 mm | ||||
| Rapid traverse | X axis | Min/m | 24 | |
| Z axis | Min/m | 24 | ||
| Y axis | Min/m | 10 | ||
| Z2 axis | Min/m | 24 | ||
| Guideway type | / | 45 mm linear guideways (ball type) | ||
| Turret | Number of tool positions | pcs | BMT55-12T with Y axis | |
| External toolholder size | mm | 25x25 | ||
| Internal toolholder size | mm | Ф40 | ||
| Motor | Main-spindle motor rated power / torque | Kw/N.M | SYNTEC 15/98.0 N·m | |
| Subspindle rated power / torque | Kw/N.M | Hanruike 57 N·m | ||
| Live-tool motor rated power / torque | Kw/N.M | SYNTEC 2.3/11.0 N·m | ||
| Servo motor | X axis | Kw/N.M | SYNTEC 2.4/11.5 N·m | |
| Z axis | Kw/N.M | SYNTEC 2.4/11.5 N·m | ||
| Y axis | Kw/N.M | SYNTEC 2.4/11.5 N·m | ||
| Machine Dimensions | Machine footprint | Length | mm | 3070 (4236 with right-side chip conveyor) |
| Width | mm | 1836 | ||
| Height | mm | 2107 | ||
| Machine weight (approx.) | Kg | 5000 | ||
| Note: Specifications are subject to change without prior notice. | ||||