About TOS OF-71 Gear Hobbing Machine
Make - TOS (Czech Republic)
Model - OF 71
Module Capacity - 7 Modules
Max. Gear Diameter - 710 mm
Max. Width of Gear - 335 mm
Table Diameter - 630 mm
Number of Teeth - 8 to 300
Max. Dimensions of Hob Cutter - Diameter 195 mm x 220 mm Length
Max. Gear Diameter (with Support) - 500 mm
Hob Speeds - 40 rpm to 315 rpm
Weight of Machine - 7 Tons Approx.
- Equipped with a feature of Single Indexing.
- Can work in Manual as well as in Auto-Cycle mode.
- Machine is complete with Change Gears, Arbours, Mandrels etc.
- Operating Manual, Electrical Drawings etc. are available.
- Machine is in excellent working condition.
Video of The Machine -
https://youtu.be/iWqrghjis8Q
High Precision Gear CuttingDesigned for accuracy, the TOS OF-71 delivers exceptional gear cutting precision. Its advanced mechanics, such as the Morse Taper #5 spindle and a hob slide travel of 350 mm, ensure tight tolerances and optimal gear profiles. Operators benefit from both manual and semi-automatic controls, making it versatile for different production environments while maintaining consistency in performance.
Built for Durability and EfficiencyThe machine's cast iron base and alloy steel components contribute to its sturdy construction and vibration resistance, ensuring reliable results even under heavy workloads. Centralized lubrication keeps components operating smoothly, reducing downtime and maintenance requirements. With a powerful 7.5 kW motor and a broad feed range, it handles demanding jobs with ease.
User-Friendly Operation and MaintenanceThe OF-71's design emphasizes usability, featuring a floor space requirement of approximately 2.5 x 1.5 meters and accessible controls. The centralized lubrication system, 80-liter coolant tank, and noise level below 75 dB promote safe, efficient, and comfortable operation. These features make it suitable for small and large workshops, trading companies, and manufacturers.
FAQ's of TOS OF-71 Gear Hobbing Machine:
Q: How is the TOS OF-71 Gear Hobbing Machine operated?
A: The TOS OF-71 can be operated in manual or semi-automatic modes. Its user-friendly controls allow operators to adjust settings for gear diameter, hobbing speed, and feed rate according to project requirements, making it suitable for various skill levels.
Q: What types and sizes of gears can this machine cut?
A: This machine can hob gears with a maximum diameter of 710 mm and a width up to 250 mm. It supports gear modules up to 10 and can cut gears with as few as 10 teeth, providing flexibility for both large and smaller precision gears.
Q: When should the centralized lubrication system be checked?
A: It's advisable to check the centralized lubrication system regularly as part of routine maintenance, typically before each production shift, to ensure all moving components remain properly lubricated, minimizing wear and extending machine life.
Q: Where is the TOS OF-71 typically used?
A: This machine is ideal for use in gear manufacturing plants, automotive workshops, and by exporters, importers, or trading companies requiring robust and precise gear hobbing capabilities.
Q: What is the process for changing the hob on this machine?
A: To change the hob, power off the machine, safely unlock the spindle, and remove the used hob. Install the new hob of up to 180 mm in diameter and 220 mm in length, ensuring it matches the Morse Taper #5 spindle. Securely lock before resuming operation.
Q: How does the OF-71 ensure reliable performance over time?
A: Its sturdy construction with a cast iron base minimizes vibration, while centralized lubrication and a dust-protected design reduce maintenance needs. These features, combined with quality materials, ensure long-term, reliable operation with minimal breakdowns.
Q: What are the main benefits of using the TOS OF-71 Gear Hobbing Machine?
A: Key benefits include high precision gear production, sturdy and reliable construction, efficient workflow through semi-automatic controls, reduced machine noise, and compatibility with a wide range of gear sizes and types.