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VMG-8
basic information
Machine main features:
1.VMG-8 bed and other key components are used dense bake castings. Casting material grade is FC-30. Casting structure using one-piece molding technology, box structure, its advantages: high stability, small deformation, can effectively inhibit vibration, greatly extend the service life of machine tools. Coupled with the unique structure of the corresponding precision components, cutting performance. In strict accordance with the ISO static precision test standards for the production of strict control of each process excellence. The factory machine in line with national JB / T8771.2-1998 standards
Note: bimetal castings casting process control its application
Casting process control of dense metal casting (Meehanite Metal Casting); bimetallic casting is subject to a series of stringent casting process control, such as the carbon graphite (GC) and carbon content (CC) content of the iron material control; metallurgy quality Ie Cleanness and Under Cooling degree control; Wedge Value control after inoculation with CA-SI; 5 elements, alloying elements and nitrogen (N) content Control, etc., after re-casting extremely easy to Di wave expected to wave iron base and graphite distribution, improve the mechanical properties. In addition, in order to prevent deformation after processing, the castings are completely annealed to eliminate internal stress.
Secret drying GC40 type (GC275) of the application
Baking type GC40 most suitable for casting thickness of 10-15mm homogeneous castings. Such material structure of dense, good strength, low coefficient of friction, and with self-lubricating, so the surface hardness after quenching HRC48-52, used in the metal surface friction caused by thermal shock on the workpiece.
1. The head, fuselage, saddle, base, workbench, use advanced cast iron FC-30 material, and the stress relief treatment, mechanical precision and stability, good rigidity.
2. Spindle head design, the use of box-type body, the internal ribs to be strengthened, the spindle rigid, stable, suitable for precision machining.
3. X / Y / Z axes are linear roller slide, with high rigidity, low noise, low friction characteristics, can do fast displacement and get the best round precision.
4. All three axes adopt precision ball screw preloaded by C3 double nuts, with pre-tensioned design of both ends support seat, it can eliminate transmission backlash and compensate the error caused by temperature rise in advance, so as to ensure the positioning accuracy.
5. The Division of the machine produced by Renishaw laser measurement test, three-axis travel for the machine part of the 100% full inspection, internal control inspection standard VDI 3441 3 σ round trip six round trip test, to eliminate the greatest extent Deviations of the machine itself to ensure the positioning accuracy of the machine.
6. Circular measurement test, the use of circularity tester / Renishaw, correct roundness and machine geometry accuracy, to test to ensure the accuracy of the machine tool movement.
7. Three roller rail integrated rail, heavy base with large span column design, greatly increasing the contact area of the column and the base to enhance the design of the head support; bearing rigid parts with a lightweight design of moving parts will enable the machine When used, the amount of distortion produced is minimized, processing is faster, gravitational acceleration is higher.
8. Spindle cooling cycle, increase the high-speed heat treatment to eliminate, so that prolong the spindle life, effectively overcome the high-speed precision machining surface of the three D-shaped position error. Span design with large precision ball bearings precision grade, high-speed high-precision design, the spindle Pine knife with a unique and stable gas pressure to promote dual role to ensure the rigid life of the spindle.
9. Direct-driven spindle 12000rpm, greatly enhance the cutting speed. Minimum noise, minimum vibration, cutting surface optimization.
10 unique tool changer, the original German-style cam Taiwan, the agency uses special materials, precision machining, coupled with a unique heat treatment, the tool change fast, reliable and accurate (no impact on the spindle) and smooth and noise-free.
11. Large-capacity magazine organization, can store 24 knives, and the latest cam-style tool change system, the magazine management using random memory, making the tool exchange quickly, safe and reliable.
12. Electrical box using heat exchangers, can better control the temperature and humidity inside the box, make electrical work stable.
13.Z-axis without counterweight design, increase the Z-axis motor, suitable for high-speed fast moving, effectively reducing the processing vibration.
14. VMG-8 has a full cover cutting shield, effectively blocking splashes, leakage ensure that the user factory environmental requirements in line with ISO9000 standards.
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