
HMS-550MY
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-550MY Medium Turn-Mill Machine
The HMS-550MY is a medium Y-axis turn-mill machine for shafts and discs. It offers Φ580 mm swing over bed, 510 mm machining length, a BMT55-12T Y-axis live turret and a tailstock.
Key features
1. Combined machining: BMT55-12T live turret with ±50 mm Y-axis travel and 2.3 kW live-tool motor for turning, milling, drilling and tapping.
2. Capacity: Φ580 mm swing over bed, Φ420 mm machining diameter, Φ370 mm over the toolholder, 510 mm length and Φ52 mm bar capacity.
3. Spindle: A2-6 nose, Φ65 mm bore, up to 4,000 rpm, 11 kW motor and 72 N·m maximum torque.
4. Tailstock: Morse No. 5, Φ80 mm quill, 80 mm quill travel and 460 mm tailstock travel.
5. Motion: 45 mm ball-type guideways, X/Z travel 260/600 mm and 24 m/min rapid traverse. Net weight is 4,300 kg.
At a glance
- Φ580 mm swing, 510 mm machining length and Φ52 mm bar capacity.
- A2-6 spindle with Φ65 mm bore, 11 kW/72 N·m and 4,000 rpm maximum speed.
- BMT55-12T live turret with ±50 mm Y travel and 460 mm tailstock travel.
- 4,300 kg net weight for medium multi-operation parts.
Frequently asked questions
Specifications and capacity
Q: What are its maximum machining dimensions?
A: Φ580 mm swing over bed, Φ420 mm machining diameter, Φ370 mm over the toolholder and 510 mm maximum length.
Q: What bar size can it accept?
A: Maximum bar capacity is Φ52 mm; spindle bore is Φ65 mm with an 8-inch hydraulic collet.
Q: What is the spindle output?
A: Up to 4,000 rpm, with an 11 kW motor, 72 N·m maximum torque and A2-6 nose.
Machine selection
Q: HMS-550MY or HMS-550M?
A: The 550MY adds ±50 mm Y travel for eccentric and keyway features; the 550M has no Y axis.
Q: HMS-550MY or HMS-750MY?
A: The 550MY offers 510 mm machining length and 600 mm Z travel; the 750MY offers 710 mm and 800 mm respectively. Choose according to part length.
Production and service
Q: Can it machine long shafts?
A: Yes. Its Morse No. 5 tailstock has a Φ80 mm quill, 80 mm quill travel and 460 mm tailstock travel.
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, Y-axis live-turret positioning and tailstock support help maintain stable machining.
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 | 550MY | ||
| Machining Capacity | Maximum swing over bed | mm | Ф580 | |
| Maximum machining diameter | mm | Ф420 | ||
| Maximum machining diameter over toolholder | mm | Ф370 | ||
| Maximum machining length | mm | 510 | ||
| Maximum bar capacity | mm | Ф52 | ||
| 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 | ||
| Axis Feed | Axis Travel | X axis | mm | 260 |
| Z axis | mm | 600 | ||
| Y axis | mm | ±50 | ||
| Rapid traverse | X axis | m | 24 | |
| Z axis | m | 24 | ||
| Y axis | m | 10 | ||
| 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 | ||
| Tailstock | Box guideways (standard) | / | Driven by Z axis | |
| Maximum tailstock travel | mm | 460 | ||
| Tailstock quill taper | mm | Morse taper No. 5 | ||
| Tailstock quill diameter | mm | Ф80 | ||
| Tailstock quill travel | mm | 80 | ||
| Motor | Spindle motor power / torque | Kw/N.M | SYNTEC 11/72.0 N·m | |
| Turret live-tool motor power | 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 | 2790 (3956 with right-side chip conveyor) |
| Width | mm | 2018 | ||
| Height | mm | 1920 | ||
| Machine weight (approx.) | Kg | 4300 | ||
| Note: Specifications are subject to change without prior notice. | ||||