1 , Main structural features of the machine tool:
1. The 45 ° inclined bed and the base are integrally cast and formed, and the high-strength cast iron is cast. Through finite element analysis, the stiffeners, high-strength cast iron materials, resin sand molding, and full secondary aging and natural aging are optimized to make the basic parts of the machine tool highly rigid and ensure the stability of the machine tool for long-term use; With automatic forced lubrication, the friction resistance of feeding movement is greatly reduced, and the accuracy and service life of the machine tool are improved.
2. Both X and Z axes adopt high precision, high load capacity and high reliability linear rolling guide rails. The Z axis adopts a 6-slider design to greatly increase the rigidity, cooperate with automatic forced lubrication, reduce the friction resistance of the feeding movement, and improve the accuracy and life of the machine tool; The feed speed and positioning accuracy of the machine tool are higher.
3. The main shaft adopts the combination of the first three and the second two of the large diameter precision angular contact ball bearings, or the combination of the large diameter precision angular contact thrust ball bearings and double row cylindrical roller bearings. The transmission ratio of the main shaft servo motor is 1 :3 to drive the main shaft, which has excellent stiffness and large torque at low speeds.
4. The X - and Z-axis ball screws adopt the structure of pre tensioned inner circulating nuts. The ball bearing for the lead screw with a contact angle of 60 ° is selected as the lead screw support bearing, which can withstand higher axial loads and ensure the rigidity and accuracy of the feed transmission device.
5. The electrical unit cabinet of the machine tool is well sealed and equipped with electrical cabinet air conditioner to ensure the normal operation of the CNC system under the high temperature and humidity environment of the machine tool.
6. The side chain plate chip conveyor is adopted. The chip conveyor can operate under programmable control. The chip conveyor is installed from the front of the machine tool for easy adjustment.
In addition, the chip conveyor can be equipped with an oil-water separation mechanism, which can separate the lubricating oil in the cutting fluid, reduce the generation of oil mist, enhance the cooling effect of the coolant on the tool, and extend the service life of the tool.
(1) The machine tool is equipped with a water gun to clean iron filings.
(2) The chip conveyor shall be arranged reasonably without interference with the machine tool cushion.
7. Hydraulic system
The hydraulic system adopts Taiwan hydraulic components; The oil tank is fixed on the back of the machine body, and all valve groups and corresponding pressure gauges are installed on the left and right front covers of the machine tool to facilitate the observation and adjustment of the pressure of each working circuit.
8. The machine tool pays attention to the design of the edge process, and the protection is reliable. There is no iron filings or coolant splashes and leaks outside the machine tool during the powerful cutting and the powerful high-pressure injection of coolant.
9. The clamping and loosening of hydraulic chuck can be controlled by foot, which is convenient and fast.
10. The appearance of the machine tool is novel, and the panel operation is convenient. Considering its high power, high precision, high performance and other characteristics, this series of machine tools is undoubtedly the most powerful product of the same type.
11.The main shaft adopts large diameter precision angular contact thrust ball bearing and double row cylindrical roller bearing, and the powerful main shaft servo motor drive ratio is 1 :3, which has excellent stiffness and high torque at low speed.
2.Main technical parameters
| PROJECT |
UNIT |
TCK850 |
| THE SCOPE OF WORK |
| Maximum swing diameter on the bed |
mm |
850 |
| Maximum swing diameter of carriage |
mm |
600 |
| Turning length |
mm |
1000/ 1500/2000/3000 |
| MECHANICAL SPINDLE |
| Spindle speed |
rpm |
2500/1800 |
| Main motor power |
kw |
15-18.5KW |
| Maximum output torque |
NM |
708 |
| Spindle nose specifification |
/ |
A2-8/ 11 |
| Spindle diameter |
mm |
88/105/132 |
| Spindle through hole diameter |
mm |
75/92/115 |
| Chuck size |
inch |
12/15/18/21 |
| Turret |
| Type |
|
BMT65- 12T |
| Specifification of external tool holder |
mm |
25*25 |
| Maximum boring bar diameter |
mm |
50 |
| Time for 30°rotate and Locking |
s |
0.15-0.2 |
| Positioning accuracy |
'' |
±2 |
| Driven tool speed of rotation |
rpm |
6000 |
| Driven tool power |
KW |
5.5-7.5 |
| TAILSTOCK |
| Tailstock type |
/ |
Hydraulic programmable |
| Tailstock sleeve diameter |
mm |
Φ150 |
| Tailstock sleeve travel |
mm |
200 |
| Taper of taper hole of tailstock sleeve |
/ |
MT5 Internal rotation |
| FEED AXIS |
| X axis travel |
mm |
350+20 |
| Z axis travel |
mm |
1000/ 1500/2000/3000 |
| Fast moving speed X/Z |
M/min |
16/20 |
| Servo motor torque X/Z |
KW |
3/3 |
| Positioning accuracy X/Z |
|
0.008/0.011 |
| Repeat positioning accuracy X/Z |
|
0.004/0.005 |
| Total electrical capacity |
KVA |
30/35 |
| Processing length Machine weight kg Machine size mm |
| 1000mm |
7300/8000 |
4500X2300X2550mm |
| 1500mm |
8800/9800 |
6200X2300X2550mm |
| 2000mm |
10300/ 11500 |
6500X2300X2550mm |
| 3000mm |
12500/ 14300 |
7500X2300X2550mm |
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