Through Type Double Disc Grinding Machine M7675B
The through-type double disc grinding machine can be used for powerful grinding, is an ideal double disc grinding machine for grinding multi-specification products by a single machine, and is mainly used for grinding round or square and rectangular large-specification parts such as bearings, bicycle disc brakes, gear rings, notebook aluminum plates, compressor valve plates, robot gears, blades, air compressor valve plates, aluminum plates and the like. The outstanding characteristics of the through-type double disc grinding machine are strong rigidity, good stability, high precision, complete functions, low failure rate and easy maintenance. The advantage of the horizontal shaft through-type double disc grinding machine is that through the hydraulic pretightening force, it scientifically achieves the requirement of pretightening force that must be retained by the grinding head for the through-type grinding machine, while effectively eliminating the axial clearance of the ball screw, achieving fast forward and backward movement of the left and right grinding heads of the horizontal axis double disc grinding machine.
This machine has a variety of options to meet the needs of different customers.
Features and benefits:
1. The design of the through-type double disc grinding machine solves the influence of grinding heat on the deformation of the machine tool, ensures that the machine tool works continuously for a long time, and has relatively good accuracy stability.
2. The through-type double disc grinding machine is equipped with a hydraulic system, which successfully eliminates the ball screw clearance, prolongs the life of the ball screw, and keeps the grinding machine in optimal working condition at all times.
3. The double grinding heads of the through-type double disc grinding machine are continuously maintained through the pretightening force provided by the hydraulic pressure, the precision is stable. When encountering special situations such as grinding wheel breakage, safety avoidance can be achieved to protect the machine tool.It is safe and reliable.
4. The movement of the grinding head of the through-type double disc grinding machine adopts V-shaped steel-inlaid needle bearing guide rail to achieve grinding by overall movement; Instead of telescopic motion of the spindle to grind, it maximizes its rigidity.
5. The key joint surface of the horizontal shaft of the through -type double disc grinding machine is shoveled and scraped manually. The machine body layout is compact and the rigidity is strong. The spindle box has good sealing, long service life, simple operation and convenient maintenance.
6. In order to prevent the occurrence of sparks due to mutual grinding between iron and iron, when the grinding wheel reaches its limit of use, the machine tool will automatically stop working and give an audible and visual alarm prompt.
7. The through-type double disc grinding machine is equipped with safety interlocking configuration between the movement of lifting-lowering of the grinding wheel shield and the grinding wheel’s rotation; Correction and grinding interlocking safety configuration, achieving the high degree of automation and high safety factor.
Working accuracy of machine tool (different workpieces have different accuracy)：
Parallel difference | 0.003mm(6309/1) |
Flatness | 0.004mm(6309/1) |
Thickness difference | 0.01mm |
Surface roughness | Ra 0.32um |
Main technical parameters of M7675B machine tool:
Project | Unit | Parameter |
Workpiece diameter | mm | ￠30—￠260 |
Workpiece thickness | mm | 1.5-60 |
Grinding wheel diameter (outer diameter × thickness × inner diameter) | mm | 750×60×50 |
Spindle speed | r/min | 770 |
Feeding speed | m/min | 2-12 |
Corrector movement speed | m/min | 0.5-1.5 |
Moving stroke of grinding head | mm | 130 |
Grinding head motor | Kw | 22×2 |
Overall dimension (L × W × H) | mm | 3500×3000×1850 |
Weight | kɡ | 12000 |
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