The printing and converting industry standard in defect marking and tracking

AF2 WebFlagger FAQs

Q1: What is Web Flagging?

A: Flagging a web is a common method used to identify areas within a wound roll after it has been printed, coated, laminated, etc. These areas are typically defective. An operator either places a pressure sensitive label on the moving web by hand, or inserts a slip of paper into a winding roll at the rewind. A portion protrudes from the edge of the web like a “flag” making it visible after rewinding the web.

Q2: What is an Automatic WebFlagger?

A: What we call a WebFlagger is sometimes called other names within the industry. Those other names include: flagger, tabber, tagger, web-marker, tab or tag inserter, or defect-marker. Novation’s AF2 WebFlagger automatically applies a pressure sensitive label or “flag” to almost any type of web moving at virtually all process speeds.

Q3: Why don’t the flags stick to machine parts?

A: Novation’s flags have the adhesive deadened on the portion which hangs off the web’s edge.

Q4: Do the flags tear easily?

A: No. Our flags have a film lamination over the print for strength.

Q5: Why is automatic flagging so much safer than hand flagging?

A: The AF2 WebFlagger is signaled to apply a flag from a pushbutton or machine signal and does not require an operator to have any body part near the moving web or rewind section of the line.

Q6: What if I change web widths on my process line?

A: We offer an optional slide base on which the AF2 WebFlagger can be mounted. The slide base allows the WebFlagger to be easily adjusted from side-to side to line up to the edge of different width webs.

Q7: What triggers the WebFlagger to apply a flag?

A: The AF2 WebFlagger can be triggered from an included pushbutton or additional, pushbuttons or machine signal. Five inputs are included for triggering a flag from different devices.

Q8: Can I trigger a flag from an upstream location and track the position?

A: Yes. If an encoder is connected to the AF2 an input from upstream can be configured to wait to apply a flag until the web has traveled a preset distance. For example, a signal from an automatic unwind splice would prepare the WebFlagger to apply a flag, but it would wait until the unwind splice reached the WebFlagger to apply that flag.

Q9: Where is the WebFlagger manufactured and how is it supported?

A: All our products are manufactured in our plant in Bethlehem, PA USA and supported by our own in-house technical and engineering staff.

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Direct Losses

Rolls per shift (average)

Defects flagged per roll

Shifts per day

Shifts per weekend

Rolls per week

Flagged defects per week

Feet lost per defect by inaccurate flagging

Cost per foot (average)

Cost per week

Cost per year

Indirect Losses

Extra minutes spent per defect at rewinder/slitter due to inaccurate flagging

Rewinding/slitting cost per hour in dollars

Cost per week

Cost per year

Miscellaneous Losses

Yearly dollars lost due to returns/rework from unflagged defects getting to customers

Yearly dollars lost due to lost time accidents due to manual flagging

Total Potential Savings per Year Calculate