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Technical description of equipment
| Project Description | Parameter Parameter | |||
| Processing Capacity | Control the number of axes Axis | 6 | shaft | |
| Type of machined workpiece Gear Type | Internal gear straight/helical teeth, small taper bevel gear and other tooth parts | |||
| Machining Accuracy | Mass production grade 7 (GB/T10095-2008) | |||
| Workpiece Workpiece | Max machined inside diameter Max.dia | 260mm | ||
| Min machining Module min.module | The 0.5 mm | |||
| Max machining Module max.module | 5mm | |||
| Maximum scraping length Max.Length | 120mm | |||
| Minimum number of machining teeth Min. Teeth Number | 17 | |||
| Cutter Tool | Maximum spindle speed Max. Rotating speed | 1500 r/min | ||
| Max outside diameter of scraper Max. Hob Dia | 120mm | |||
| Mandrel diameter to mount the scraper (custom) Dia of changeable center axis which assemble hobbing cutter | HSK100C | |||
| Tool change positioning accuracy Tool Position Accuracy | ≤5um | |||
| Y-direction channeling stroke Hob Shifting Travel | ±160mm | |||
| Channeling mode Hob shifting | Auto Auto | |||
| Knife shaft Shaft | Knife shaft swing Angle Hob Head Swing Angle | Plus or minus 30 ° | ||
| Work table Turntable | Z-direction drag board Travel Z-Slide Travel | 320mm | ||
| Table diameter Turntable Dia | 350mm | |||
| Maximum table speed Turntable Max. RPM | 1500r/min | |||
| Machine Power | Main Motor Power Main motor power | 50kw | ||
| Total machine Power Total Power | 120kw | |||
| Size & Weight Size & Weight | Total Floor Space (L*W*H) | 3000 * 2700 * 3214 | ||
| Machine Weight Machine weight | 12000KG | |||
MLT-YK8026 CNC high-speed tooth scraper is an excellent domestic vertical tooth scraper which is carefully developed by Merite and has completely independent core technology. The machine is equipped with Maret's special control system, the original core gear processing algorithm software (non-secondary development macro program calculation), the technical advantages of multi-axis NC servo drive, BC axis adopts high precision and large torque servo direct drive motor (DD servo motor), with high speed, high precision and high torque and excellent dynamic response performance, equipped with workpiece hydraulic clamping cylinder, Compared with gear shaper equipment, it has the characteristics of high machining accuracy, high machining efficiency and good accuracy retention.
The machine is a 6-axis CNC high-speed gear cutting machine working according to the principle of expansion method, with three CNC linear axes: radial feed axis (X axis), axial feed axis (Z axis), tangential movement axis (Y axis); Two CNC rotation axes: table rotation axis (C axis) and scraper rotation axis (B); The tool rotation Angle (A).
This machine tool absorbs the advantages of CNC scraping machine tools at home and abroad, combined with its own years of accumulation, has the following main characteristics:
1, Each linear shaft is directly controlled by an independent servo motor, with short transmission chain, good transmission rigidity, high transmission precision characteristics.
2, The direct drive spindle motor is directly installed on the tool holder and directly drives the turning tool for cutting, which is different from the traditional gear shaper machine.
In the design, the spindle movement DD motor drives the spindle directly, and this design greatly reduces the transmission error and improves
The transmission accuracy, and enhance the related transmission characteristics and transmission rigidity, the speed can be 0-3000rpm
The range of stepless speed regulation, tool line speed up to 180m-200m /min, especially suitable for small diameter inner gear ring processing.
3, The table adopts large torque direct drive motor, and adopts high-precision and high-stiffness rolling bearing support to make the work
The maximum speed of the table can reach 2000 RPM, which significantly improves the machining accuracy and efficiency of the machine tool.
4, The main guide pair adopts high rigidity roller guide, which has good transmission rigidity, large supporting capacity and high straightness of movement.
Radial and axial fast movement speed up to 6m/min.
5. The machine tool is equipped with an oil mist separator, which has little environmental pollution.
6. The hydraulic and lubricating oil of the machine tool are separated from each other, which improves the reliability of the hydraulic system.
7. The machine tool adopts full digital control. Standard configuration using Maret system, with a laptop transmission interface,
With an accurate mathematical model instead of EGB, the machine has high precision, easy adjustment and automatic counting function. The CNC system adopts high definition LCD screen, which improves the operation convenience. The flexibility of the machine tool is good, the cutting cycle can be set one, two square cycle, in addition to the processing of cylindrical spur gear, helical gear, and other special tooth shape gear. Because the machine tool adopts six-axis numerical control mode, greatly simplifies the mechanical structure, reduces the mechanical transmission components, so the overall noise of the machine tool is significantly reduced.
8, this machine tool with a variety of safety protection functions:
1) The machine tool is designed with a fully closed cover and a range hood to prevent the harm of oil smoke and oil mist to people and the environment.
2) Main motion overload protection: the machine tool is equipped with automatic monitoring device for hob spindle overload, which can monitor the main motion electricity at any time
When the current of the machine exceeds the set value, the X-axis immediately returns and the spindle movement stops working.
3) Power off protection function: when the machine tool is cutting normally, due to the sudden power failure of the power grid, in order to avoid the collision and damage of the tool and the workpiece, the machine tool X axis quickly returns at the moment of power off, so that the tool and the workpiece are out of engagement.
4) The hydraulic oil tank of the machine tool is provided with liquid level indication.
5) The machine tool intermittent lubrication system includes a detection device, when the lubrication system pressure is too low or insufficient lubrication,
When the starting and working conditions are not met, the system alarms, the machine tool can not start, stop working.
6) The machine is also equipped with limit position soft switch protection, important components such as scraper, workpiece, swing Angle, crossover knife and other pressure loss protection, interlock protection of machine tool action.
9, the main key parts of the machine tool (such as the main electrical components, hydraulic components, ball screw, main bearings, oil mist separation device, temperature controller, hydraulic oil seal, etc.) are used at home and abroad well-known manufacturers of products, greatly reducing the failure rate of equipment, improve the reliability and stability of the use of equipment.
10, machine tool electric box with heat exchanger, electric box door has a seal, can effectively prevent oil mist and dust into, the use of cable and switch connector type, in order to replace.
11, the machine tool with fault self-diagnosis function, the machine tool is installed in the prominent position of the three-color light to remind the working state of the machine tool, when the system or the machine tool fails, the fault content can be displayed on the display screen, such as: insufficient pressure, stroke switch problems can be displayed through the display text on the display screen to remind the operator.
