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M&R Introduces SPRINT 3000T SERIES Gas Screen Printing Conveyor Dryer

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Sprint 3000T is the most innovative gas conveyor dryer in the screen printing industry. It features three independent conveyor belts on three levels that deliver maximum drying capacity in a minimal footprint. In fact, Sprint 3000T manages to squeeze over 914 cm (30′) of belt travel in the space required for a 366 cm (12′) heat chamber. The infeed carries substrates to the top level and smoothly transfers them to the middle belt. The middle belt carries those substrates back through the chamber in the opposite direction before making another smooth transfer to the bottom belt.

Sprint 3000T is the most innovative gas conveyor dryer in the screen printing industry. It features three independent conveyor belts on three levels that deliver maximum drying capacity in a minimal footprint. In fact, Sprint 3000T manages to squeeze over 914 cm (30′) of belt travel in the space required for a 366 cm (12′) heat chamber. The infeed carries substrates to the top level and smoothly transfers them to the middle belt. The middle belt carries those substrates back through the chamber in the opposite direction before making another smooth transfer to the bottom belt. The bottom belt carries them through the heat chamber a third time before delivering them to the outfeed. Each level includes its own set of air knives, ensuring extremely consistent and effective heating of substrates as they pass through the heat chamber. M&R’s Sprint 3000T multi-conveyor gas dryer carries on the tradition set by the most innovative and dependable line of gas conveyor dryers in the screen printing industry. For over twenty years, M&R’s venerable Sprint Series has been the overwhelming choice of professional screen printers who demand quality, consistency, and efficiency in their equipment and in the output they generate.

 

Sprint 3000T includes a color touchscreen interface, an integrated roll-down outfeed hood, cleanout access panels on the sides of the burner sections and drone modules to simplify cleaning and maintenance, and a retention-time belt-speed control that makes it easy to duplicate settings and eliminates the need to convert feet per minute into the time substrates will spend in the heat chamber. That in turn results in more user-friendly operation and greater precision in achieving optimal curing and drying. Sprint 3000T’s color touchscreen interface displays real-time dryer performance data, including dryer temperature, dryer temperature history and heat-chamber retention time. It also includes Job Recall™, which allows operators to store operational parameters under operator-chosen alphanumeric names—and recall those named settings later for similar substrate/ink combinations.

 

Available in liquid propane (LP) or Natural Gas (NG) versions, Sprint 3000T dryers utilize an exceptionally efficient high-performance burner with ample capacity. The burner system includes its own combustion air blower, allowing precise metering of the air-to-fuel mixture to achieve optimum efficiency. There are also two separate blowers for circulation plus an exhaust blower, each designed for maximum efficiency on a wide range of inks and substrates. The high-volume forced-air system quickly brings the conveyor dryer chamber to the desired temperature, speeding the start of production. Process temperatures and set temperatures are controlled digitally. Temperature consistency is ensured by a fuzzy-logic controller, which responds to ambient temperature changes by keeping chamber heat within 1° of target temperature at the thermocouple. A tower light shows when temperatures are within user-set parameters. When readings fall outside those settings, a temperature monitor issues visible and audible alarms. An automatic shutdown sequence keeps the blower and belt running until the chamber has cooled, minimizing or eliminating the need to monitor conveyor dryer shutdown. The entry and exit openings are adjustable to fit a wide range of substrates, and large belt rollers are machined with a slight crown to ensure positive belt tracking. The Sprint 3000T’s heavy-duty thermal insulation prevents heat from migrating from the conveyor dryer chamber into the workplace, while CoolSkin™ technology leaves the dryer skin cool to the touch. Fast cure rates and high product throughput—especially on water-based and other evaporative inks—maximize dryer capacity and minimize per-unit cost. Sprint 3000T is simply the most innovative gas conveyor dryer for screen printing available today.
 

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