Problem diagnosis and solutions
Quick Answer:
Short Answer
Near-zero maintenance. Electronic synchronization has no wear parts—no lead screws, motors, or sliding brackets to maintain.
Roll-2-Roll Technologies electronic Master/Slave guiding eliminates the mechanical components that require constant maintenance in legacy systems:
Eliminated maintenance items:
- Motorized sensor positioner motors and drives
- Lead screws and anti-backlash nuts
- Sliding brackets and linear bearings
- Mechanical linkages between Master and Slave positions
What remains: Standard periodic inspection of sensors and guides—the same maintenance as any web guiding system, without the additional burden of sensor positioning hardware.
Typical customers report saving 10-20 hours annually in maintenance time previously spent on mechanical positioner systems.
Quick Answer:
Short Answer
Telescoped rolls result from guide response lag or improper sensor mounting. Roll-2-Roll's stiff electromechanical actuators and proper mounting eliminate lag-induced wander.
Telescoped (uneven) roll edges typically result from:
- Response lag: Hydraulic systems have inherent lag from valve response and fluid compressibility. By the time the guide reacts, the web has already wandered.
- Valve balancing issues: Unequal extension/retraction speeds cause inconsistent correction.
- Improper sensor mounting: If the sensor is fixed to the floor instead of the moving stand, or if the mounting arm is flexible, the system receives incorrect position feedback.
The Roll-2-Roll Technologies solution:
- Zero-backlash actuators: Electromechanical actuators respond immediately without the "spongy" feel of hydraulics
- Stiff control loop: Fast response prevents lag-induced wander, especially on outer roll layers
- Proper mounting guidance: Sensor on the moving stand, observing web at a fixed upstream idler, with structurally rigid mounting
The result is perfectly straight-sided rolls without the "drift" that causes telescoping during shipping and handling.
Quick Answer:
Short Answer
Roll-2-Roll uses electromechanical actuators instead of hydraulic cylinders, completely eliminating fluid, filters, seals, and contamination risk.
Roll-2-Roll Technologies rewind guides use electromechanical actuators (RLA and BLA series) instead of traditional hydraulic cylinders. This completely eliminates:
- Hydraulic fluid—no oil to leak, change, or dispose of
- Filters and seals—no consumables to replace quarterly
- Valve balancing issues—no unequal extension/retraction speeds
- Contamination risk—critical for food, pharmaceutical, and medical applications
- Hydraulic pumps—quieter operation without pump noise
Typical plants using hydraulic systems report spending 10–20 hours annually on rewind guide maintenance alone. Electromechanical systems reduce this to near-zero, with only periodic inspection required.
The SCU6x controller includes an integrated motor driver, eliminating the need for separate drive cabinets and simplifying installation.
Quick Answer:
Short Answer
Seconds to minutes per width change with moving sensors. Roll-2-Roll® Sensors adjust instantly (milliseconds).
Every width change with traditional moving sensor center guides requires waiting for mechanical positioners to reposition both sensors to the new edge locations. Depending on the distance to travel and motor speed, this can take several seconds to over a minute per changeover. For converters running short production runs with 10-20 width changes per shift, this accumulated downtime can total 30+ minutes daily. Roll-2-Roll wide Roll-2-Roll® Sensors handle width changes electronically in milliseconds with zero repositioning delay.
Quick Answer:
Short Answer
Fork sensors can be hit by expanding webs. Roll-2-Roll® Sensors mount outside web path - no collision risk.
Fork sensor collision occurs when the web width increases unexpectedly (due to material variation, tension changes, or process adjustments) and the expanding web physically contacts the fork-style sensor assembly. This causes web damage (scratches, contamination), sensor damage (misalignment or breakage), emergency line stops, and material waste. Roll-2-Roll® Sensors avoids this entirely by using wide one-sided sensor mounted outside the web path—even when web width increases dramatically, there is no physical sensor in the way.