Prism
P78
P78

Computer Control: The PRISM® computer manufactured by GMS automates the operation of the Prism and provides the ability to store cutting sequences and have the backgauge automatically position itself for each cut.The hardware and software for the computer control were developed by GMS using the latest in microcomputer technology. All circuitry is manufactured to meet or exceed the highest microchip standards (military specification standards). All electrical components undergo vigorous function tests as well as a computer controlled endurance test of the complete module. Measurement can be entered into the computer, via a numeric keyboard, allowing for quick setup without moving the backgauge. All backgauge moments and limits are automatically set and controlled by the computer. Stored program measurements can be changed easily and quickly and measurements can be added or deleted as necessary. The PRISM® offers the ability to record while cutting, thereby allowing the program to be automatically recorded while cutting the first lift. The PRISM® can store up to 2000 program steps. The use of a non-volatile memory storage system assures no loss of data in the event of a power loss. Measurement Display: Large easy to read digital display of exact backgauge position and the next cut position that is stored in the computer's memory. Measurement can be displayed in the metric or inch system. Displayed to 1/1000" in the inch system. Measuring System: PRISM®'s industry standard direct rotary measuring systems uses a rotary encoder/pulse generator connected to the lead screw. Backgauge movements are transferred to the computer control electronically. The system automatically compensates for wear on the lead screw, spindle condition or by changes in the backgauge drive mechanism. Therefore, the highest possible precision is maintained for many years. Cutting Line Indicator: Optical (light line) and mechanical (clamp edge) cut line indicators are provided as standard equipment. They provide a visual reference of the cutting edge of the knife and allow the setup of a cutting program according to the printed image or cut lines. They also provide a visual safety to prevent cutting in an image area. Chrome Main and Side Tables: The PRISM® is standard equipped with a chrome surface on the main table and also on the standard side tables. The high quality flash chrome surface provides a very stable surface and eliminates the maintenance necessary for steel surface tables. Air Table: The PRISM® is equipped with an air table with built in blower. The air table provides a cushion of air that floats the lift so even the heaviest material can be moved, turned or aligned easily. The computer controls the air on the cutting table. The air turns on automatically when the backgauge moves in reverse and turns off when the backgauge moves forward. The air table can also be turned on or off manually. One Hand Control: The backgauge can be positioned manually with advance/reverse-fast/slow keys for fast and precise setting of the backgauge position according to a printed image. With one hand control, the operator can hold the lift with the other, always keeping it in contact with the backgauge. Backgauge: The PRISM® has a very rigid and stable backgauge because it is guided on all four sides of the large table gib. Due to the design, the backgauge is carried (does not ride) over the cutting table guaranteeing long lasting precise operation. Backgauge Drive: The backgauge drive on the Prism cutter is equipped with a patented DC drive system. Slot Closing Device: The PRISM® is equipped with a slot closing device that covers the slot on the cutting bed and prevents the bottom sheets in a lift from being damaged or folded over by the slot. This device not only prevents damage to materials but also damage to equipment in further processing such as a blanket on a printing press if a folded sheet is run through undetected. Hydraulic Clamp Pressure Adjustment: The infinitely variable hydraulic clamp pressure is easy to adjust. It offers a wide range of pressure with a low minimum pressure. A false clamp plate to protect difficult materials during cutting is provided as standard equipment and is easily fitted from the front of the machine. Smooth Swing Cut: PRISM® has a smooth left to right cutting action so material is not forced against the side guide. The result is a smoother cut and prolonged knife life. Knife Drive: The PRISM® uses a worm gear to drive the knife. The worm gear is the strongest of all common gear drives because more teeth are in mesh at the same time. The worm gear drive runs in an oil bath and requires no service other than oil changes. PRISM® uses a hydraulic clutch to transmit the dynamic energy from the flywheels to the knife drive. This clutch system is designed for minimum wear, resulting in less maintenance for the Prism cutter. Knives: PRISM® knives are extra thick and have a higher grinding reserve for extended life and reduced knife costs. Prism's knife lift provides a simple and safe means of changing knives. The knife does not have to be manually lifted out of the machine. High Speed Steel Knives: Provided as standard equipment are high-speed steel knives. High-speed steel knives are manufactured using tool steel, which is a higher quality of steel. The result is a knife with better accuracy and toughness. A high-speed steel knife is a stronger, more durable knife that has the unique ability to resist abrasion, stress, shock and impact. High-speed steel knives will last up to three times longer between grinding than standard steel knives. This results in a reduction of downtime for knife changes with an increase in machine utilization. They will also reduce annual grinding costs with an increase in knife life. Safety Features:Two-hand start and hold cut cycle circuitry with anti tie down and non-repeat devices to ensure safe operation.Mechanical safety bolt. An additional safety device that automatically locks the knife carrier in the upper position. It has an electronic and mechanical self-check system.Electric eye light barrier with self-check circuitry. The cold burning infrared light source is long lasting and is not affected by ambient light.Mechanical and electronic overload protection that is reliable at any knife position prevents damage to the knife drive. The shear bolts are conveniently located for easy accessibility and quick replacement.Safety clamp pressure when actuating clamp by the foot pedal regardless of pre-set clamp pressure.Electronic self-check system. Machine functions are continuously monitored.

Cutters

Description

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