Related Manuals for Cumberland 6500 Series
Summary of Contents for Cumberland 6500 Series
- Page 1 $30. Important! Read Carefully Before Attempting to Install or Operate Equipment...
- Page 2 ________________ ________________ ________________ ________________ Cumberland can advise you on proper selection and sizing of systems for your operating environment. Cumberland is committed to a continuing program of product improvement. Specifications, appearance, and dimensions described in this manual are subject to change without notice.
- Page 3 Safety Considerations Cumberland . granulators are designed to provide safe and reliable operation when installed and operated within design specifications, following national and local safety codes. To avoid possible personal injury or equipment damage when installing, operating, or maintaining this granulator, use good judgment and follow these safe practices: LEARN AND OBEY your company’s safety policy...
- Page 4 SAFETY GLASSES OR A FACE SHIELD MUST ALWAYS BE WORN when servicing or operating the machine. Although our machines are designed for the maximum in flyback control, caution must be used when operating near the area of the hopper feed opening in order to guard against unexpected material flyback.
- Page 5 National Standard for Plastics Machinery - Granulators, Pelletizers, And Dicers Used For Size Reduction of Plastics - Construction, Care, and Use. ANSI B151.11-1982. Cumberland has long recognized the importance of safety and has designed and manufactured it’s equipment with operator safety as a prime consideration. As a user, we expect you will abide by the foregoing recommendations in order to make operator safety a reality.
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Page 6: Table Of Contents
Table of Contents General Information 1-1 Introduction 1-2 General Description 1-3 Granulator Specifications Shipping Information 2-1 Unpacking and Inspection 2-2 In the Event of Shipping Damages 2-3 If the Shipment is Not Complete 2-4 If the Shipment is Not Correct 2-5 Returns 2-6 Uncrating Installation... - Page 7 Table of Contents Startup Checklist 7-1 Introduction 7-2 Fan Evacuation 7-3 Granulator Startup Checklist Operation 8-1 Operation Instructions 8-2 Temporary Machine Stops 8-3 Final Machine Stops 8-4 Emergency Stops Routine Maintenance 9-1 Lubrication Specifications 9-1-1 Description 9-1-2 Screw Jack Lubrication Instructions Error! Bookmark not defined.
- Page 8 Charts and Figures Granulator Specifications Table 11-12 Granulator Dimensions Belt Span and Deflection 33-34 Belt Deflection Force Table Rotor Knife Drawings Recommended Knife Replacement Blades Bed Knife Drawings Recommended Bolt Torque Page 8 6508,6512,6516 Granulators...
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Page 9: General Information
This manual is intended to be used as a guide and reference for personnel who will be installing, operating, and maintaining the Cumberland 6500 Series Granulator. The purpose is to aid these individuals in applying efficient, proven techniques, which will enhance productivity. -
Page 10: General Description
1-2 General Description Cumberland granulators are designed to uniformly and consistently size reduce your scrap. They have been engineered to consistently deliver clean granulate with a minimum of “fines”. The rotor, on which the cutting knives are mounted, is a fabricated steel unit supported by bearings mounted outside the cutting chamber. -
Page 11: Granulator Specifications
1-3 Granulator Specifications Model 6 ½ Series 6508 6512 6516 Price by TEFC 3 hp motor hp 5 hp Cutting chamber opening in inches: H x W 6.5”... - Page 12 Page 12 6508,6512,6516 Granulators...
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Page 13: Shipping Information
Shipping Information 2-1 Unpacking and Inspection You should inspect your Cumberland 6500 Series granulator for possible shipping damage. If the container and packing materials are in re-usable condition, save them for reshipment if necessary. Thoroughly check the equipment for any damage that might have occurred in transit. -
Page 14: If The Shipment Is Not Complete
Re-inspect the container and packing material to see if you missed any smaller items during unpacking. Determine that the item was not inadvertently taken from the area before you checked in the shipment. Notify Cumberland . immediately of the shortage. 2-4 If the Shipment is Not Correct If the shipment is not what you ordered, contact Cumberland. -
Page 15: Uncrating
2-6 Uncrating 6500 Series Granulator 6500 Series granulators are shipped mounted on a wooden skid then blocked and banded to prevent movement. All non-painted items subject to corrosion are coated with a quality rust preventative and the machine is then covered with heavy duty polyethylene to protect it from moisture and dirt. - Page 16 6500 Series Granulators 6500 Series Granulators are shipped mounted on a skid, enclosed in polyethylene, and open-crated on all four sides and top. 1. Pry the crating away from the skid. 2. Follow the instructions listed above. 3. Use a pry bar to remove the blocks securing the unit to the skid.
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Page 17: Installation
3-1 Scope This section contains all instructions required for experienced installation personnel to install the Cumberland granulator and prepare it for production. It is essential to follow all instructions carefully and in the sequence presented. Be sure to observe all DANGER,... - Page 18 Fastener (turn counter-clockwise to loosen) Loosen the fastener in the front of the cutting chamber. Note that this fastener does not need to be completely removed from the upper cutting chamber as it is designed to be captive for convenience. pull the cradle actuator towards the front of the machine apply lifting pressure to open the cutting chamber approximately 90...
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Page 19: Electrical Service Connections
Lower the screen chamber until it comes to rest. Remove the screens and place them on their side. Wipe out the screen chamber and transition. Once cleaned, place the screen back into position. Raise the screen chamber and tighten the (2) fasteners to hold the screen chamber and cutting chamber securely closed. -
Page 20: High Amperage Readings
3-5 High Amperage Readings NOTE: Make sure the granulator is not drawing excessive amperage. 1. Check appropriate amperage as listed on the motor nameplate. 2. Measure amperage with ammeter by connecting ammeter to incoming power feed wires. Make sure machine is not drawing more than amperage listed on the nameplate. -
Page 21: Accessing Cutting Chamber
Accessing Cutting Chamber 4-1 Opening Cutting Chamber 1. Allow material to run out of the cutting chamber. 2. Shut OFF and LOCKOUT all power, including the main disconnect switch. 3. If equipped with optional sound enclosure, open front doors. 4. Loosen fasteners on front of machine. They are designed to remain with the upper screen chamber. -
Page 22: Accessing Screen Chamber
Accessing Screen Chamber 5-1 Opening Screen Chamber 1. Allow all material to run out of the cutting chamber and screen chamber. 2. Shut OFF and LOCKOUT all power including the main disconnect switch. 3. Remove hopper located below the screen chamber. 4. -
Page 23: Closing Screen Chamber
5-2 Closing Screen Chamber 1. Ensure all tools, screws, and debris is removed from the inside of the screen chamber. 2. Place the screen back into its original position, ensuring it is fully seated within the cradle, then CAREFULLY raise the chamber to its closed position. -
Page 24: Sequence Of Operation
The voltage should be the same as indicated on the silver tag in the control enclosure. If the voltage is not the same, contact the Cumberland Service Department for voltage modification instructions at 1-800-229- 2919. - Page 25 • Press the granulator stop pushbutton and allow the machine to stop. • For granulators equipped with conveyors, fans, etc., test their operation also by pressing the appropriate pushbutton. Check fan outlets for proper airflow. • For granulators with emergency stop pushbuttons, test the buttons to insure all motion stops.
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Page 26: Startup Checklist
Cumberland granulators can be supplied with an optional fan system to provide efficient, continuous evacuation of granulate from the machine. Cumberland offers a large variety of fan configurations. The following information is intended to be representative of the basic functioning and design of a fan, rather than being specific to one particular configuration. - Page 27 Are all accessory components electrically and mechanically connected with proper support and with all fasteners tight? Are cyclonic air separator and filter units empty? (optional equipment) Has the fan (optional) been verified for proper rotation direction? Are all electrical enclosure boxes tightly closed and clamped shut? Are all personnel clear of the machine and optional fan? 6508, 6512, 6516...
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Page 28: Operation
Operation 8-1 Operation Instructions 1. Prior to machine startup -- All doors, covers, guards, and limit switches must be in place, securely fastened, and functional. All accessory components must be properly connected. If the granulator has a bin, make sure it is installed. -
Page 29: Emergency Stops
8-4 Emergency Stops Feedstock must be cleaned out of the hopper and cutting chamber prior to restarting the machine. NOTE: The Cumberland 6500 Series granulators are not designed for small purging, chunks of solid plastic or other heavy wall cross- sectional pieces. -
Page 30: Routine Maintenance
9-1-1 Description All Cumberland 6500 Series machines are equipped with rotor bearings that are prelubricated from the factory. Mounting of the bearings on the Cumberland 6500 Series machines results in trouble free, low maintenance, and long lived bearing design. The bearings used require a high quality, lithium based, extreme pressure (or EP) type of bearing, which conforms to NGLI Grade 2 consistency. -
Page 31: Motor & Belts Servicing
9-2 Motor & Belts Servicing The 6 ½ Series comes equipped with a self tensioning devise that constantly adjust an idle eliminating the need to tension the belt. Belt pulleys (Located on left-hand side of unit, under the sheave guard.) 1. -
Page 32: Rotor Knife Removal
1. Shut OFF and lockout all power including the main disconnect switch. DANGER! Before undertaking any machine repairs or maintenance, always make certain that the machine disconnect switch is turned to the OFF position or that the control enclosure is disconnected from the main power source. When extensive work is anticipated, either place a sign indicating that the main disconnect switch is to remain off on the switch or lock the switch to prevent accidental activation by someone unaware of work in progress. -
Page 33: Rotor Knife Sharpening
It is important to note that the minimum dimensions given for the rotor knife and bed knife cannot be combined simultaneously to produce a cutting combination. NOTE: Replacement knife sets and knife resharpening services are available from Cumberland Engineering. Contact the Customer Service Department at (800) 229-2919. Figure 3... -
Page 34: Recommended Knife Design Per Material
Rotor Knife Sharpening 9-6 Recommended Knife Design Per Material Table 4 Recommended Knife Replacement Blades Physical Material Material High 55° Quality Shear ABS (High Imp’t) Energy Impt ABS (Med. Imp’t) Energy Impt ABS (Low Imp’t) Energy Impt ACETAL Energy Impt ACRYLIC Energy Impt NYLON (Non-filled) - Page 35 E.V.A. Energy Absb POLYPROPYLENE Energy Absb (P.P) POLYPROPYLENE Energy Absb OXIDE (P.V.D.C.) STYRENE (G.P.) Friable STYRENE (M ID) Friable STYRENE (HI) Energy Impt POLYSULFONE (GLS. Friable REIN) P.V.C. (Rigid) Energy Impt P.V.C. (Flex) Energy Absb PHENOLIC Friable Energy Absb 9-7 Rotor Knife Installation 1.
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Page 36: Bed Knife Sharpening
NOTE: Replacement knife sets and knife resharpening services are available from Cumberland Engineering. Contact the Customer Service Department at (800) 229-2919. Figure 5 Bed Knife Sharpening... -
Page 37: Bed Knife Installation & Setting
9-9 Bed Knife Installation & Setting 1. Install the new or resharpened bed knives, and clamps in the reverse of removal. Make sure the knives are fully back against the knife adjusting screws and loosen the adjusting screw checknuts slightly. Do not torque the socket cap screws fully at this point -- snug them down only. -
Page 38: Rotor Knife Installation
Rotor knives Adjusting screws (in metric) Primary Bed Knife 3. If you find a “high” rotor knife, mark it and adjust to this knife. 4. Once knife adjustments are completed, equally and fully torque the bed knife cap screws, working from the center out towards the ends of the knife. -
Page 39: Preventative Maintenance Service
(refer to Section 4-2). 9-10 Preventative Maintenance Service Follow a systematic preventative maintenance program to help avoid costly down time. Call the Cumberland Engineering Service Department to arrange a schedule of inspections. This service can be tailored to fit your maintenance requirements. -
Page 40: Recommended Torque For Knife Bolts
9-11 Recommended Torque For Knife Bolts NOTE: For Rotor knife applications, use SEC Grade 8 hex head cap screws. For Bed knife applications, use Series 1960 Grade 8 socket head cap screws. Table 6 Recommended Bolt Torques (Metric) FT/LBS TORQUE METRIC SCREW SIZE (DRY) **The above listed torque values are standard specifications. -
Page 41: Troubleshooting
Troubleshooting Problem Possible Cause Solution Verify that the correct pushbuttons are being No power. depressed and that the main disconnect switch is in the ON position. Try to locate grounds, a locked rotor or other reasons. Fuses are blown. Replace fuses with the size and type shown on the wiring diagram (located in the control... - Page 42 Bearings sound noisy or Overloading of the feedstock put into the are excessively hot machine machine per unit of time. Consult the Cumberland Bearings have exceeded Service Department for their rated life. replacement instructions. Tighten per maintenance Belts are too loose instructions.
- Page 43 Fan wheel is loose on Tighten set screws as shaft. required. Transition or cyclonic air separator tubing is Clean as required. Granulate builds up in clogged. the transition or tubing Check for loose fan Fan is not evacuating wheel on shaft, worn fan properly.
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Page 44: Spare Parts
Problem Possible Cause Solution Sharpen knives (refer to Knives are dull. Section 9) and re-install. Plastic is clogging the screens or transition, Shut the machine down preventing proper fan and clean. Fines evacuation. Rotor speed is too fast. Change the pulleys. Change to a screen with Screen size is too small. -
Page 45: Recommended Spare Parts
Cumberland Spare Parts Express Department. The serial numbers of the specific components will be required when ordering parts from Cumberland. NOTE: Refer to part numbers in the spare parts catalog when ordering replacement parts. Check the parts carefully as knives and screens generally have their numbers etched or stamped on them. - Page 46 Service Notes Page 46 6508,6512,6516 Granulators...
- Page 47 6508, 6512, 6516 Page 47 CG2-616...
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