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________________________________
Continuous Loss-in-Weight Blenders
with
Allen-Bradley SLC 5/04 Programmable Controller
and
PanelView 600 Touch Screen Interface
Part Number: 882.092698.00
Bulletin Number: BF3-615
Effective: 9/1/08
Write Down Your Serial Numbers Here For Future Reference:
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Shipping Information Unpacking and Inspection You should inspect your equipment for possible shipping damage. Thoroughly check the equipment for any damage that might have occurred in transit, such as broken or loose wiring and components, loose hardware and mounting screws, etc. In the Event of Shipping Damage According to the contract terms and conditions of the Carrier, the responsibility of the Shipper ends at the time and place of shipment. Notify the transportation company’s local
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Credit Returns Prior to the return of any material, authorization must be given by the manufacturer. A RMA number will be assigned for the equipment to be returned. Reason for requesting the return must be given. ALL returned material purchased from the manufacturer returned is subject to 15% ($75.00 minimum) restocking charge. ALL returns are to be shipped prepaid. The invoice number and date or purchase order number and date must be supplied. No credit will be issued for material that
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Table of Contents CHAPTER 1: SAFETY ................................................................. 6 1-1 How to use this manual...............................................................................................6 Safety symbols used in this manual ......................................................................6 1-2 Warnings and precautions...........................................................................................8 1-3 Responsibility .....................
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MAINTENANCE.......................................................................... 52 Preventative maintenance schedule....................................................................................52 APPENDIX.................................................................................. 54 6-1 Warranty and spare parts .............................................................................................54 Annex B information........................................
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Chapter 1: Safety 1-1 How to Use This Manual Use this manual as a guide and reference for installing, operating, and maintaining your Continuous Loss-in-weight Blender. The purpose is to assist you in applying efficient, proven techniques that enhance equipment productivity. This manual covers only light corrective maintenance. No other maintenance should be undertaken without first contacting a service engineer. The Functional Description section outlines models covered, standard featur
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Continuous Loss-in-Weight Blender Safety Tags Tag Description Tag Description Pinch Point - Slide Read Operation & Gate Installation Manual Shear Point - Rotating Earth Ground Mixer or Agitator High Voltage Inside Protected Earth Ground Enclosure PE Shear Hazard - Lifting Point Rotating Auger Continuous Loss-in-Weight Blenders Chapter 1: Safety 7
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1-2 Warnings and Precautions Our equipment is designed to provide safe and reliable operation when installed and operated within design specifications, following pertinent local and national codes. This may include, but is not limited to OSHA, NEC, NFPA, CSA, UL, CE, SPI, and any other local, national and international regulations. To avoid possible personal injury or equipment damage when installing, operating, or maintaining this equipment, use good judgment and follow these safe practi
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1-3 Responsibility These machines are constructed for maximum operator safety when used under standard operating conditions and when recommended instructions are followed in the maintenance and operation of the machine. All personnel engaged in the use of the machine should become familiar with its operation as described in this manual. Proper operation of the machine promotes safety for the operator and all workers in its vicinity. Each individual must take responsibility for observing
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Operator Responsibility The operator’s responsibility does not end with efficient production. The operator usually has the most daily contact with the equipment and intimately knows its capabilities and limitations. Plant and personnel safety is sometimes forgotten in the desire to meet incentive rates, or through a casual attitude toward machinery formed over a period of months or years. Your employer probably has established a set of safety rules in your workplace. Those rules, this ma
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• Clean the blender and surrounding area DAILY, and inspect the machine for loose, missing or broken parts. • Shut off power to the blender when it is not in use. Turn the switch to the OFF position, or unplug it from the power source. Maintenance Responsibility Proper maintenance is essential to safety. If you are a maintenance worker, you must make safety a priority to effectively repair and maintain equipment. Before removing, adjusting, or replacing parts on a machine, remember to tu
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Chapter 2: Functional Description 2-1 Models Covered in This Manual This manual provides operation, installation, and maintenance instructions for continuous loss-in-weight blenders of various blending rates and specifications. See Figure 1 below for a list of available models and specifications. Figure 1: Models Covered by this Manual ( √ - Denotes Availability) Model 015 060 100 Blending Capability 2 components √ √ √ 3 components √ √ √ 4 components √ √ √ 5 components √ √ √ 6
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2-3 Typical Features & Components Mechanical Features • Blender automatically adjusts individual feeders to match learned extruder rate at the ratio required. • Upper material supply hoppers with conical re-fill valves and dust boots. • Individual ingredient weigh hoppers with clear side walls. • Cast aluminum feeder housings with drains. • Lower mass flow weigh hopper assembly with clear side wall. • Cascading mixing section. 1 • Precision /10% span accurate cantilever load cell weig
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Blender System Component Description This section describes the various components of the continuous blending system. The continuous blending system is made up of the following components (See Figure 2 below): • Ingredient supply/re-fill hoppers • Ingredient weigh hoppers • Ingredient metering auger assemblies • Cascade material chute • Lower mass flow weigh hopper • Control panel • Motor drive panel • OPTIONAL “Quick color change” kit Figure 2: Continuous Blender Assembly
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hoppers are not controlled nor read by the blender. Their existence is solely for the use of a low level alarm to be wired into a separate controller. These would not be present on a standard blender. The hoppers may be equipped with a polycarbonate sight glass. This is mounted in the upper cone section of the hopper. This is useful for a quick reference of the material level in each hopper. The supply/re-fill hoppers should be vented to the atmosphere through the louver located on th
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Ingredient Metering/Transport Auger Assemblies Each metering auger assembly consists of a: • Cast aluminum motor mount • Cast aluminum feeder body • Aluminum feeder tube • Gearbox • Inverter-duty AC drive motor • Machined metering auger The metering auger assembly accurately meters the material from the ingredient weigh hopper at the calculated rate. The mass flow weigh hopper design allows more range of the load cell to be used for actually weighing the material and eliminates dynami
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Lower Mass Flow Weigh Hopper Assembly The lower mass flow weigh hopper, otherwise known as the weighed common hopper, is used to determine the actual processing rate of the processing machine so that the blender can be slaved in to run at the learned rate. The hopper is constructed of spun aluminum and is of the mass flow type (See the glossary in the Appendix). It is supported by a load cell, and will carry a weight of material depending on how much is flowing into the hopper from the m
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PLC Control Panel The PLC control panel may be mounted on the side of the blender frame, or remote mounted near the blender. It uses an Allen-Bradley SLC 5/04 programmable controller with standard 24 vdc input output cards. This design provides excellent blender performance along with easily replaceable off-the-shelf parts in case of any electronic component failure. Touch Screen Interface The PanelView 600 color touch screen display can be mounted up to 50 feet (15 m) from the PLC
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2-4 Options The following is a list of options, which your blender may have been equipped with: • Mezzanine stand with slide gate and 4” tube stub. • Low-level proximity switches. Detects material supply shortages for each supply hopper before blender runs out (Requires a separate, remote mount alarm panel with its own lights, horn and silence button). • Supply hopper lids for non-ACS supplied vacuum receivers & loaders. • Agitated, straight wall regrind supply & weigh hoppers for regri
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2-5 Safety Devices and Interlocks This section includes information on safety devices and procedures that are inherent to the continuous loss-in-weight blender. This manual is not intended to supersede or alter safety standards established by the user of this equipment. Instead, the material contained in this section is recommended to supplement these procedures in order to provide a safer working environment. At the completion of this section, the operator and maintenance personnel will b
