Used VIGERT YG3612 Gear Hobbing Machine For Sale

YG3612 Gear Hobbing Machine

A YG3612 Gear Hobbing Machine is a specialized machine tool used for the production of gears through the process of gear hobbing. Gear hobbing is a machining process in which a cutting tool called a hob is used to generate gears by progressively cutting teeth into a workpiece. Gear hobbing machines are widely used in the manufacturing industry to produce a variety of gears, such as spur gears, helical gears, worm gears, and more. This process is known for its efficiency and accuracy in producing high-quality gears.

Here’s how a gear hobbing machine works and its key components:

Process Overview:

1. Workpiece Setup: The workpiece, typically a cylindrical blank, is securely mounted on the machine’s spindle.
2. Hob Installation: The hob, a cutting tool with multiple cutting edges, is mounted on a hob arbor. The hob’s shape corresponds to the desired gear profile.
3. Cutting Operation: The hob is brought into contact with the rotating workpiece. As the workpiece rotates, the hob generates the gear teeth by gradually cutting into the material.
4. Feed Mechanism: The workpiece is fed axially, allowing the hob to progressively cut each gear tooth as the workpiece rotates.

Key Components of a YG3612 Gear Hobbing Machine:

1. Spindle: The spindle holds the workpiece and rotates it at a controlled speed. The rotational motion of the workpiece is crucial for the hobbing process.
2. Hob Arbor: The hob arbor holds the hob and transmits its rotational motion to the hob during the cutting operation.
3. Feed Mechanism: This mechanism controls the axial movement of the workpiece, determining the depth of cut and the size of the gear teeth.
4. Hob Head: The hob head holds the hob arbor and can be adjusted for different gear sizes and angles.
5. Workholding: The machine has various workholding mechanisms to securely hold the workpiece in place during the cutting process. This ensures precise alignment and proper engagement between the hob and the workpiece.
6. Control System: Modern YG3612 Gear Hobbing Machines are equipped with computer controls that allow for precise programming and adjustments of cutting parameters. These controls ensure accuracy and repeatability in gear production.
7. Coolant System: Gear hobbing generates a significant amount of heat, so a coolant system is used to keep the cutting area cool and to flush away chips and debris.