Nordson SDS 40-CC Meter Manual
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SDS Meters 3Part 1009912E 2005 Nordson CorporationDescriptionSee Figure 1. The SDS meters are designed forhigh-speed application of single-component materials. Aclosed-coupled dispense valve and electric servocontrolled metering allows for accurate dispensing.Six SDS meters are available: 40- and 90-cc; unheated 40- and 90-cc; 120v and 240V heatedTable 1 lists the major SDS meter components.15267433340-CC SDS Meter Heated 40-CC SDS Meter8Figure 1 Typical SDS MetersTable 1 SDS Meter ComponentsItem Description1 Servo motor—The servo motor links directly to the gearbox on top of the belt housing. Encoder and powerleads connect to the rear of the servo motor.2 Gearbox—The gearbox links to the servo motor and reduces the servo motor output to a 15:1 fixed ratio.3 Proximity sensors—The proximity sensors feed positional information through a junction box to thecontroller. Two proximity sensors are triggered by the ball screw and anti-rotation block, serving asemergency stops. One proximity sensor indicates that the metering cylinder is full.4, 5 Inlet (4) and Outlet (5) Valves—Two compact, high-cycle valves mounted to the metering cylinder. Thevalves serve as material inlet/outlet ports.6 Metering Cylinder—The metering cylinder mounts to the drive train through the use of four tie rods. It is filledby positive pressure from a Rhino bulk unloader.The metering cylinder is equipped with a rupture disk assembly. If the internal cylinder pressure exceeds5000 psi (345 bar), the rupture disk breaks and releases pressure, preventing serious equipment damage orpersonal injury.7 Drive Train—The drive train includes the ball screw assembly, anti-rotation block, and driven gear. A bearingsupports the ball screw assembly inside the bearing housing base.8 Cordset—Cable connection to system controller or J-box. |
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