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Rotary Marking

EFFECTIVE SOLUTIONS FOR MARKING ROUND PARTS

While marking flat parts is fairly simple, marking the periphery of round parts can be more challenging. Rotary devices and rotary roll marking machines are an effective solution to the problems round parts present. 

Rotary devices are programmable fixtures for our laser marking machines and pin markers that rotate a round part during the marking process. Our laser and pin marking software use the part's specifications to calculate when to rotate the part and how much. The result is a smooth mark around the diameter of the part.

Rotary roll markers push parts across steel tooling, applying enough pressure while doing so to create an impression. They are ideal for high speed, high production marking of cylindrical or tapered round parts.

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WHY IS MARKING ROUND PARTS DIFFERENT THAN MARKING FLAT PARTS?

When you set a flat part down into a marking field, the part's entire surface area is an equal distance from whatever is marking it - a laser beam from one of our GeoMARK lasers, for example. However, when marking around the periphery of a round part, the part's surface area curves away from the laser beam, negatively affecting the mark the beam can make. Similarly, a pin marker or typeholder may be able to strike a section of a round part but unable to reach the rest of it as the surface curves away.

Applications

Rotary roll marking machines are ideal for making marks on cylindrical or tapered round parts in high speed, high production applications. Marking application examples include parts such as sockets, welding tips, screws, drills, rods and more. 

Small, thin-walled parts can be marked on a rotary but require a complex internal support system. Typical rotary roll marking applications include small aerospace fittings, welding tips, sockets, drill bits, and electrical connectors.

Rotary devices can only be used for marking one part at a time and must be hand loaded and unloaded. Applications with a pin or laser marker can vary greatly.  Examples are solid or thin-walled tubes, shafts, dental instruments, cutting tools, and gun parts. 

WHAT SHOULD BE CONSIDERED WHEN SELECTING A ROUND PART MARKING SOLUTION?

When choosing a marking solution for marking round parts, consider these questions:

  • How many parts per hour/per day do you need to mark?
  • How many lines of characters do you need marked?
  • How big do you need the mark (or the characters in your mark) to be?
  • Is an automated part-feeding system required?
  • Are the parts able to roll for an automatic feed application?
  • How deep of a mark do you need? Can the mark displace material or do you need a surface mark?
  • Can the part be loaded and unloaded by hand or do you need an automatic feeder?
  • Will the mark undergo any post-processing such as painting or plating?

We can help you answer these questions and answer any other questions you may have. Give us a call at 800-323-1332 and we'll help you find the best solution for your round-part marking application.

need a custom solution?

Our in-house design and engineering department has a full range of services and support to ensure that your industrial automation project is successful.

ADDITIONAL INFORMATION

Why GT SCHMIDT?

At GT SCHMIDT, we design, build, and implement marking solutions that help manufacturers leave a lasting mark on their products, their companies, and their industries.

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made in usa since 1895
125 years of experience
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