Vibration Swendelförderer Quicher Screw Feeder

Manufacturing Methods of Vibratory Bowls

The manufacturing of a vibratory bowl is a specialized process that combines experience, precision machining, and tuning skills. It is far more than just making a “metal bowl” and involves several core stages:

1. Part Analysis and Solution Design
   This is the most critical first step. Engineers must thoroughly analyze the target part.

• Analysis Includes: The part’s geometry, dimensions, material, weight, center of gravity, and the required final discharge orientation.
• Output: Based on the analysis, the spiral track layout inside the bowl is designed, and the necessary tooling for sorting, orienting, and correcting parts is determined.

2. Bowl and Track Fabrication

• Material Selection: Stainless steel is primarily used due to its strength, corrosion resistance, and non-magnetic properties.
• Manufacturing Process:
  • Blanking and Forming: The bowl plate is cut and rolled into a conical shape, then welded.
  • Track Fabrication: The track is precisely bent, cut, and welded from stainless steel strips. It must be dimensionally accurate and smooth to prevent jams.

3. Surface Treatment
   The track and bowl surface are treated to control friction and prevent part damage.

• Non-stick Coatings: Reduce friction and static for delicate parts.
• Abrasive Finishing: Increases friction for light or smooth parts.
• Plating: Provides a hard, wear-resistant surface.

4. Base and Drive Unit Assembly

• Base: Supports the bowl and houses the electromagnetic drive.
• Spring Leaf Assembly: Connects the bowl to the base; its angle and stiffness are critical for vibration.
• Electromagnet: The drive source that creates pulsed magnetic forces to vibrate the bowl.
• Controlor: Reglează frecvența și amplitudinea vibrațiilor.

5. Tuning and Testing
   This is the “art” of transforming hardware into a functional system.

• Process: Actual parts are used to fine-tune the system by adjusting the spring angle and controller settings until parts feed smoothly and consistently.
• Endurance Testing: Long-term testing ensures reliability under production conditions.

In summary, manufacturing a vibratory bowl is a process that integrates mechanical design, materials science, and dynamic tuning, relying heavily on the experience and skill of the engineer.