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Máy mài bánh răng CNC MITSUBISHI GN25A

MITSUBISHI GN25A CNC Gear Hobbing Machine is a machining process used to create gears and splines, which are toothed mechanical components that transmit rotational motion and power between shafts. A gear hobbing machine is a specialized tool used for gear hobbing, which involves cutting or forming gear teeth using a rotating hob.

Here’s an overview of how gear hobbing works and the components of a MITSUBISHI GN25A CNC Gear Hobbing Machine:

Gear Hobbing Process:

1. Setup: The process begins by setting up the workpiece (the gear blank) securely on the machine.
2. Tool Selection: The hob, which is a cutting tool with multiple teeth, is chosen based on the required gear specifications.
3. Rotation: The workpiece is rotated on the machine, while the hob is fed into the workpiece’s surface.
4. Cutting Operation: As the hob rotates, it gradually cuts into the workpiece, forming the gear teeth.
5. Cơ chế thức ăn: The feed mechanism on the machine controls the depth of cut and the rate at which the hob advances into the workpiece.
6. Completion: After the hob has traversed the entire workpiece, a gear with the desired number of teeth and tooth profile is produced.

Components of a Gear Hobbing Machine:

1. Bed and Base: The bed provides a sturdy base for the machine and supports the various components.
2. Con quay: The spindle holds and rotates the workpiece (gear blank) during the hobbing process.
3. đầu bếp: The hob head holds and rotates the hob, positioning it relative to the workpiece for accurate tooth cutting.
4. Cơ chế thức ăn: This mechanism controls the radial and axial feeds, determining the depth of cut and the rate at which the hob advances.
5. Thiết bị giữ phôi: The workholding device securely holds the gear blank in place during the hobbing process.
6. Bảng điều khiển: Modern gear hobbing machines are often equipped with a control panel for programming and adjusting various machining parameters.
7. Hệ thống làm mát: A coolant system is used to cool the cutting area, lubricate the hob and workpiece, and remove chips generated during the hobbing process.

MITSUBISHI GN25A CNC Gear Hobbing Machines come in various configurations, including vertical and horizontal designs, and they can produce a wide range of gears, from small to large, with different tooth profiles and specifications. The choice of machine and hob depends on the specific gear requirements and the production volume.