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Digital Dosing Disc
Additive Feeders
Single, Duo and Trio
With A250 Controller
Part Number: 882.01749.00
Bulletin Number: BF3-600.5
Effective: 12/17/10
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Write Down Your Serial Numbers Here For Future Reference: _________________________ _________________________ _________________________ _________________________ _________________________ _________________________ We are committed to a continuing program of product improvement. Specifications, appearance, and dimensions described in this manual are subject to change without notice. DCN No. ____________ © Copy
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Shipping Info Unpacking and Inspection You should inspect your granulator 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 agent
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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 General Safety Regulations ........................................................................................ 7 1-3 Responsibility .....................
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APPENDIX A BASIC PARAMETER SETTINGS ...................... 84 Injection Molding .................................................................................................................. 84 Extrusion - Simple ................................................................................................................ 84 APPENDIX B DISC SIZING GUIDES ......................................... 85 APPENDIX C DRAWINGS ........................................................ 87 APPEN
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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 equipment. The purpose is to assist you in applying efficient, proven techniques that enhance equipment productivity. This manual covers only corrective maintenance. No other maintenance should be undertaken without first contacting a service engineer. The Functional Description section outlines models covered, standard features, and safety features. Ad
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1-2 General Safety Regulations These regulations should be read, understood and periodically reviewed by all personnel involved in any way with this machine. Never operate or remove any machine components that are secured by wrench-type fasteners unless the motor is electrically locked out and the disc is motionless. Never operate the machine unless the dosing module is in place and all guards and covers are in place and secure. Prior to clearing a jam or performing any maintenance, th
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1-4 Warnings and Precautions Our equipment is designed to provide safe and reliable operation when installed and operated within design specifications, following national and local safety codes. This may include, but is not limited to OSHA, NEC, CSA, SPI, NEPA or CE 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 practices:
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Chapter 2: Functional Description 2-1 Introduction This manual is to be used with the Digital Dosing Disc additive feeder. The feeder precisely meters and controls the addition of color concentrates, master batches, additives, regrind, and other materials to plastic processing systems. The Digital Dosing feeder can meter pellets, micro pellets, prill, powder and granular material of various sizes, when equipped with the appropriate dosing module. It can be used on extruders, and blow mo
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Figure 2. “Duo” Dual Station Digital Dosing Feeder 2-1 A250 Controller The Digital Dosing additive feeder consists of a controller(s), dosing motor(s), and dosing module(s). The controller is used to: Configure the feeder to the desired process. Calibrate the feeder. Run, monitor, and stop the dosing (feeding) process. Enter, recall, and run recipes. Troubleshoot problems via touch screen. A touch screen is used to enter, modify, and disp
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2-2 Quick Start-Up Guide (See Chapter four for complete description) This “Quick Start” section is intended to help you start your Digital Dosing feeder quickly and easily. Please refer to the enclosed O & I manual for additional information. Unpacking: 1. Inspect package for damage and notify carrier immediately – DO NOT ACCEPT EQUIPMENT IF PACKAGING IS DAMAGED! 2. File a claim with the shipping company immediately if damage is evident. 3. Unpack box, making sure all parts indicated
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6. EXTRUSION – “Simple”: Connect the input cable (2-conductor cable-gray) to a dry contact (zero voltage) signal that indicates the extruder screw is turning. (The connection in the controller should be on terminal block #10 and PLC input X5.. A jumper wire can also be installed on the same terminals (instead of a dry contact.) if the feeder is to be started and stopped through the feeder controller, and not with the extruder screw. 7. EXTRUSION – “Follower”: Connect t
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Encoder pulses per disk revolution. See table. Manufacturer Motor Color RPM Encoder Pulses Bodine Black & silver 3 8400 Bodine Black & silver 8.4 8400 Bodine Black & silver 11.5 5700 Bodine 38 1800 Black & silver Motor and alarm utilty selection Drive tuning. Perform drive tuning. See section # for details.
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GR or OZ. Select the measure commonly used at your facility. Injection Press (GR/KG/OZ/LB) Select the measure commonly used at your facility. Additive sensor. Select the no sensor, alarm only, or alarm & stop. Virgin material sensor. Select the no sensor, alarm only, or alarm & stop. 882.01749.00 14 of 93
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Recipe Setup - Injection Molding: Turn power switch to “ON” position. Injection molding. In order to calculate the correct motor speed required to feed the desired amount of additive, the following data must be entered: 1) Additive % 2) Shot Size 3) Screw Recovery Time. 4) Calibration weight. In addition, for the greatest accuracy, samples of the additive should be weighed and entered. Additive % The % additive specifies the proportion of additive to virgin ma
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Screw Recovery Time. The screw recovery time is the estimated screw recovery time, and is used as the initial value for validating the recipe. Actual screw recovery times as measured by the presence of the screw recovery signal, are used to fine-tune the feed rate during operation. The estimated time must be at least ½ of the actual recovery time. If less than ½, the feeder will interpret the recovery signal as a purge cycle. Calibration weight. Calibration weight is determ
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“DT” Pellet & Regrind Discs Disc Calibration No. of Disc “DP” Powder Discs Thickness Number Pockets Calibration Disc DT 30-101820 32.00 20 Disc Number Thickness DT 30-102025 10 mm DP 30- (“Sure-shot” - 20 20 Oval 5mm 050940 oval holes) 38.00 17.00 DT 30-203012 100.00 12 DP 30- 20mm 8.00 2.5mm DT 30-204010 175.00 10 250940 Additive Sample weighing. Weig
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Maximum Motor speed. Enter motor RPM. Encoder pulses per disk revolution. See table. Manufacturer Motor Color RPM Encoder Pulses Bodine Black & silver 3 8400 Bodine Black & silver 8.4 8400 Bodine Black & silver 11.5 5700 Bodine Black & silver 38 1800 Motor and alarm utilty selection 882.01749.00 18 of 93
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Drive tuning. Perform drive tuning. See section # for details. Speed Alarm setup. Select alarm option – Alarm & stop, alarm only, or no alarm. GR or OZ Select the measure commonly used at your facility. Extrusion Press (GR/KG/OZ/LB) Select the measure commonly used at your facility. Additive sensor. Select
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Virgin material sensor. Select the no sensor, alarm only, or alarm & stop. Recipe Setup for Simple Extrusion: 1. Turn power switch to “ON” position. In order to calculate the correct motor speed required to feed the desired amount of additive, the following data must be entered: 1) Additive % 2) Throughput 3) Calibration weight. In addition, for the greatest accuracy, samples of the additive should be weighed and entered. Additive % The % additi
