Machine detail
Main Specification
| Model of lathe | unit | J46-400LU | J52-400LU | J76-400LU | |
| Machining capacity | Max. swing diameter over lathe | mm | Ø400 | Ø400 | Ø400 |
| Maximum turning diameter | mm | Ø200 | Ø250 | Ø300 | |
| Max. turning length | mm | 380 | 380 | 380 | |
| Main Spindle | Spindle Hydraulic Chuck | in | 6" | 8" | 10" |
| Spindle center height from ground | mm | 1080 | 1080 | 1080 | |
| Spindle nose | - | A2-5 | A2-6 | A2-8 | |
| Spindle bore diameter | mm | Ø56 | Ø66 | Ø86 | |
| Maximum bar material diameter | mm | Ø45 | Ø51 | Ø72 | |
| Maximum spindle speed | r/min | 4500 | 4000 | 2000 | |
| Spindle motor power/torque | Kw / N.m | 11 kW / 72 Nm Optional: 15 kW / 95.5 Nm | 15 kW /95.5 Nm Optional: 15 kW / 143 Nm | 15 kW / 143 Nm Optional: 15 kW / 192 Nm | |
| Servo Turret | Turret Model | - | 80-12T or 8T | 80-12T or 8T | 80-12T or 8T |
| Feedingaxis | Maximum fast travel speed | m/min | 24 | 24 | 24 |
| X/Z/Y-axis motor power/torque | Kw / N.m | YASKAWAI 1.3KW/ 8.34N.m or SYNTEC 1.8KW/ 11.5N.m | YASKAWAI 1.3KW/ 8.34N.m or SYNTEC 1.8KW/ 11.5N.m | YASKAWAI 1.3KW/ 8.34N.m or SYNTEC 1.8KW/ 11.5N.m | |
| X/Z-Axis C3-Grade Ball Screws | - | 32/32 | 32/32 | 32/32 | |
| X/Z-Axis Roller Linear Guides | - | 35/35 | 35/35 | 35/35 | |
| X-axis maximum travel | mm | 230 | 230 | 230 | |
| Z-axis maximum travel | mm | 400 | 400 | 400 | |
| Tailstock | Tailstock travel | mm | 400 | 400 | 400 |
| Thimble taper | MK | Morse Taper #5 | Morse Taper #5 | Morse Taper #5 | |
| Equipment specifications | Machine net weight | kg | 3500 | 3600 | 3700 |
| Total machine power | KW | 11 | 14.5 | 18.5 | |
| Machine L x W x H | mm | 2300x1600x1700 | 2300x1600x1700 | 2300x1600x1700 | |
Optional items
| Configuration item | J46-400LU,J52-400LU,J76-400LU | |
| Spindle | Mechanical spindle | ● |
| Electric spindle | ○ | |
| Control system | SYNTEC CNC system | ● |
| FANUC | ○ | |
| Feed axis | Yaskawa | ● |
| SYNTEC | ○ | |
| Clamping | Back-pull chuck | ● |
| Push-up chuck | ○ | |
| Chuck | ○ | |
| Auxiliary equipment | Feeding device | ○ |
| Chip conveyor | ○ | |
| Automated robot | ○ | |
| Oil mist separator | ○ | |
Standard ● Optional ○
Machine tool accuracy
| Main inspection items | Detection method | Factory Standards |
| X-axis repeated positioning | Checking the X-Axis Re-position accuracy Note: Perform a preliminary run approximately 50 times to offset errors from cooling and warming up, then test the Re-position accuracy | ±0.003 |
| Z axis repeated positioning | Checking the Z-Axis Fixed-Point Re-position accuracy Note: Perform a preliminary run approximately 50 times to offset errors from cooling and warming up, then test the Re-position accuracy | ±0.003 |
| Y axis repeated positioning | Checking the Y-Axis Fixed-Point Re-position accuracy Note: Perform a preliminary run approximately 50 times to offset errors from cooling and warming up, then test the Re-position accuracy | ±0.004 |
| If the customer wants to test the ISO or VDI accuracy of the X/Z/Y axis, it must be determined when writing the contract. The customer must also test this item during the initial acceptance at the Jingfusi factory. | ||
Main configuration
| Name | Brand |
| NC System | Taiwan SYNTEC 22TA system,10.4-inch screen. |
| X/Z-axis Servo | Japan YASKAWAI or Taiwan SYNTEC |
| X/Z Screws | Taiwan-made PMI or HIWIN C3-grade ground ball screw, equipped with a double nut. One end features a blind-hole thread. |
| X/Z Linear Guides | Taiwan-made PMI or HIWIN P-Class Ball Linear Guide. Features an extended carriage to increase load capacity and enhance rigidity. |
| Spindle | Taiwan-made POSA spindle (or custom-made Jingfusi tail-mounted direct-drive electric spindle for an additional 3,000 yuan).The Model 76 machine typically utilizes an original A2-8 spindle from Kenturn (Taiwan); the POSA A2-8 spindle for the Model 76 is generally not kept in stock. |
| Spindle Motor | Taiwan SYNTEC or Beijing CTB |
| Servo Turret | Taiwan-manufactured 12-station 80 MYKUN servo turret, or a customized 12-station 80 Jingfusi servo turret. |
| Lubrication System | Japanese HERG lubricating oil pump (joint venture). |
| Electrical Components | German-made Schneider electrics. |
| Hydraulic Station | Customized hydraulic station. User-provided 46# genuine Great Wall anti-wear hydraulic oil. |
| Cast Iron One-Piece Bed | In-house development. |
| Includes New Features | SYNTEC System G183 (Face Drilling Cycle) V01 |
List of Technical Documentation
| No. | Contents | Specification | Unit | Remark |
| 1 | Machine Tool Operation, Maintenance, and Repair Manual | Includes M code, G code, circuit diagram | 1 Set | |
| 2 | SYNTEC User Manual | USB flash drive | 1 PCS | Packed in accessory box |
| 3 | Dota Manual | - | 1 copy | Packed in accessory box |
| 4 | Servo Drive Manual | - | 1 copy | Packed in accessory box |
Optional high-rigidity programmable tailstock: +¥12,000.
| Tailstock | Tailstock travel | mm | 450 |
| Thimble taper | MK | Morse Taper #5 | |
| Distance between centers and chuck | mm | Maximum distance: 490; minimum distance: 90. | |
| Linear guides | mm | 45 | |
| Latest positioning method | - | Hydraulic Actuation + Displacement Sensor = M-Code Programming |
For optional servo tool turrets, tool-changing motors, FANUC systems, and other accessories, please request the "Optional Accessories List."
Contact Us
+86 13928187729
+86 13928187729
manager@southlathe.com/ js_john@vip.163.com
No.3 Huafu Road, Bianjiaojuweihui, Ronggui town Shunde Foshan City, Guangdong Pronvice China.