About Donini A29 Gear Hobbing Machine
Make - Donini (Italy)
Model - A29
Max. Module Capacity - 3.5 Module
Max. Gear Diameter - 290 mm
Vertical Travel of Hob-Slide - 200 mm
Table Diameter - 200 mm
Max. Hob Diameter - 80 mm
Max. Hob Length - 80 mm
Hob Speeds - 60 rpm to 270 rpm
Number of Teeth - 6 to 400
- Working in Complete Auto-Cycle Mode and in Manual Mode.
- Complete with Change Gears, Arbours, Mandrels, Hob Cutters etc.
- Operating Manual and Electrical Drawings are available.
- Machine is in excellent working condition.
Video of The Machine -
https://youtu.be/Tfe-cuWdBFo
High-Precision Gear ManufacturingThe Donini A29 excels in producing gears with high precision and consistent quality. Its adjustable feed rate, spindle speeds between 50 350 RPM, and a capacity to cut gears with 10 to 200 teeth allow for remarkable flexibility. Designed for both small and large gear production, the machine offers reliability for varied industrial requirements.
Built for Efficiency and DurabilityManufactured with a cast iron bed and automatic lubrication, the Donini A29 minimizes maintenance needs while ensuring stability during operation. Its robust construction extends machine life and reduces operational vibrations, maintaining a low noise environment and delivering high output with a clean finish.
User-Friendly Features and SafetyEquipped with a manual control panel, the Donini A29 includes a 3-jaw chuck, integrated coolant system, emergency stop, and overload protection. These features enhance operator safety, simplify setup, and support smooth workflow, making it an excellent option for professionals needing dependable gear cutting.
FAQs of Donini A29 Gear Hobbing Machine:
Q: How does the Donini A29 Gear Hobbing Machine ensure precise gear cutting?
A: Precision is achieved through automatic feed, adjustable spindle speed (50 to 350 RPM), and stable cast iron construction. The manual control and automatic lubrication further enhance accuracy by reducing operator errors and keeping the machines performance consistent.
Q: What is the process for changing the module or tooth count on this machine?
A: To change the module or number of teeth, the operator selects the appropriate hob and adjusts machine settings as per the gear specifications. The included operation manual provides detailed instructions for setup and adjustment, ensuring a smooth transition between jobs.
Q: When is the Donini A29 ideal to use in gear manufacturing?
A: The A29 is optimal for both small-batch and high-output gear production where accuracy, robust build, and clean finishes are valued. It is particularly effective for users requiring gear diameters up to 290 mm and modules from 0.5 to 6.
Q: Where can the Donini A29 Gear Hobbing Machine be installed?
A: With a floor space requirement of 2200 x 1400 mm and compact dimensions (1850 x 1100 x 1900 mm), it fits well in industrial workshops, gear production facilities, or manufacturing plants. Ensure a stable and level surface for best performance.
Q: What safety features are included in the Donini A29?
A: The machine comes equipped with an emergency stop and overload protection, helping prevent accidents and machine damage. These safety measures protect operators and maintain a safe working environment.
Q: How does the integrated coolant and automatic lubrication benefit operation?
A: The integrated coolant system reduces heat and friction during gear cutting, while the automatic lubrication maintains smooth machine movement. These features enhance tool life, improve finish quality, and transfer less heat to the workpiece, supporting continuous operation.
Q: What accessories and documentation are supplied with the Donini A29?
A: Each machine is supplied with a standard tool kit and an operation manual, enabling straightforward setup, maintenance, and operation without requiring additional purchases.