
Digital Dosing Disc Additive Feeders Single, Duo and Trio With A250 Controller Models: DD, SDD, Colorblend Part Number: 882..02361.00 Bulle
10 of 96 1-4 Warnings and Precautions Our equipment is designed to provide safe and reliable operation when installed and operated within desig
11 of 96 Chapter 2: Functional Description 2-1 Introduction This manual is to be used with the Digital Dosing Disc additive feeder. The feeder
12 of 96 Figure 2. “Duo” Dual Station Digital Dosing Feeder 2-1 A250 Controller The Digital Dosing additive feed
13 of 96 2-2 Quick Start-Up Guide (See Chapter four for complete description) This “Quick S
14 of 96 6. EXTRUSION – “Simple”: Connect the input cable (2-conductor cable-gray) to a dry contact (zero voltage) signal that indicates th
15 of 96 Maximum Motor speed. Enter nominal motor speed. Encoder pulses per disk revolution. See table. Manufac
16 of 96 GR or OZ. Select the measure commonly used at your facility. Injection Press (GR/KG/OZ/LB) Select
17 of 96 Recipe Setup - Injection Molding: Turn power switch to “ON” position. Injection molding. In order to calculate the correct motor
18 of 96 The shot size specifies the total capacity of the mold in use on the press. The value can be entered in grams, kilograms, ounces, or p
19 of 96 Screw Recovery Time. The screw recovery time is the estimated screw recovery time, and is used as the initial value for validating
ii Write Down Your Serial Numbers Here For Future Reference: _________________________ _________________________ _________________________
20 of 96 “DT” Pellet & Regrind Discs “DP” Powder Discs
21 of 96 Maximum Motor speed. Enter motor RPM. Encoder pulses per disk revolution. See table. Manufacturer
22 of 96 Drive tuning. Perform drive tuning. See section # for details. Speed Alarm setup. Select alarm op
23 of 96 Virgin material sensor. Select the no sensor, alarm only, or alarm & stop. Recipe Setup for Simple Extrusi
24 of 96 Throughput. Press throughput specifies the total weight of material through the extruder per minute. The value can be entered in gr
25 of 96 “DT” Pellet & Regrind Discs “DP” Powder Discs
26 of 96 Enter/Read Minimum press signal. See section # for details. Enter/Read Maximum press signal. See section # for details.
27 of 96 Motor and alarm utilty selection Drive tuning Perform drive tuning. See section # for details.
28 of 96 Additive sensor. Select the no sensor, alarm only, or alarm & stop. Virgin material sensor. Select the no senso
29 of 96 Throughput. Press throughput specifies the total weight of material through the extruder per minute. The value can be entered in g
iii Shipping Info Unpacking and Inspection You should inspect your granulator for possible shipping damage. Thoroughly check the equipment for an
30 of 96 initially displayed is the weight which would result in a motor speed of 25%. The valid range of values would then be ¼ to 2.5 times th
31 of 96 Press the “Menu” button to skip the weighing procedure and use the calibration weight for feed rate calculations. Note that using th
32 of 96 Screen 4. The disc will make one complete revolution, dispensing additive into the tray. Motor speed is 25%. When the motor stops, Scr
33 of 96 Screen 7. The screen displays the running average of sample weights, as well as the number of samples taken. Pressing “Next” will re
34 of 96 Chapter 3: Installation and Operation 3-1 Installation !"#$%&"'()'*)+,&$#",-).-'/0'11$#)2
35 of 96 2. The following applications require a larger feed stand (optional 3” or 4”) to prevent material bridging: o Machines with a total th
36 of 96 Extrusion - Constant: Wire the “cycle/run” cable (two- conductor gray cable) to a set of dry (NO VOLTAGE) contacts tha
37 of 96 3-2 Initial Operation The control system is factory-programmed. However, specific values need to be verified prior to operation (basi
38 of 96 3-3 Recipes Recipe Menu The Recipe menu allows selection, editing, and deletion of recipes. The current recipe is displayed in t
39 of 96 Enter / Edit Recipes. Injection molding. In order to calculate the correct motor speed required to feed the desired amount of additi
iv Returns Do not return any damaged or incorrect items until you receive shipping instructions from the shipping department. Credit Returns Pr
40 of 96 Screw Recovery Time. The screw recovery time is the estimated screw recovery time, and is used as the initial value for validating
41 of 96 Simple Extrusion Recipe. In order to calculate the correct motor speed required to feed the desired amount of additive, the following
42 of 96 Calibration weight. Calibration weight is determined from chart 5.1, and is dependent on the disc installed in the feeder. This wei
43 of 96 The % additive specifies the proportion of additive to virgin material as a percentage of throughput. For example, if the throughput
44 of 96 Calibration weight is determined from chart 5.1, and is dependent on the disc installed in the feeder. This weight is the amount of st
45 of 96 Screen 2. The disc will make one complete revolution, insuring all pockets are filled with additive material prior to actual weighi
46 of 96 Screen 5. Weigh the sample, making note of the weight for entry on the next screen. Discard sample & replace tray in calibratio
47 of 96 Screen 8. The tray should be removed from the calibration chamber. The access cover should be replaced / closed. Weight Calibration
48 of 96 Common Elements Buttons Press the Start button to begin feeding operation using the current recipe. Press the Stop button to en
49 of 96 Speed Status Indicator If the speed alarm only option is selected in the configuration section, the following indicators are enable
v Table of Contents CHAPTER 1:! SAFETY ... 7!1-1! How to Use This Manual ...
50 of 96 Totalizer Screen Displays total additive dosed since: A. Recipe change. Modifying the current recipe will not reset the total. O
51 of 96 Displays the current motor speed when running, and the calculated speed when stopped. Screw Recovery Times Screen (Injection only)
52 of 96 Pressing and holding the Jog button will run the motor at the indicated speed for as long as the button is held. The length of time
53 of 96 A) The Main Menu, using the Menu button. B) The System Setup Menu, using the Done button. C) The next Configuration screen, using the
54 of 96 Table 4.1 Injection Press Screen # Title/Function Prev Screen Next Screen 60 Press Type N/A Max Motor Speed 61 Max Motor
55 of 96 61 Max Motor Speed Press Type Encoder Pulses 62 Encoder Pulses Max Motor Speed Tune & Speed alarm 76 Tune & Speed alarm Encode
56 of 96 Feeder Type. Feeder type is selected by pressing the button in the upper-right corner. The button text changes with each press of t
57 of 96 Maximum Motor Speed. The maximum motor RPM is the maximum rated speed for the motor being used with the A250 control. The default
58 of 96 Bodine Black & silver 3 8400 Bodine Black & silver 8.4 8400 Bodine Black & silver 11.5 5700 Bodine Black & silver 38 1
59 of 96 Drive Tuning. The drive tuning screen is provided as an aid to tuning the drive to match the motor and load of the A250 feeder. Pr
vi APPENDIX A BASIC PARAMETER SETTINGS ... 87!Injection Molding ...
60 of 96 Activate alarm screen & alarm outputs, and stop the feeder. See Status Screens section for speed alarm screen details. Defaul
61 of 96 Default Shot Size / Throughput Measure. Injection Press. Extrusion Press This screen sets the default measure for overall
62 of 96 Additive / Virgin Material Sensor. These screens select whether an additive (or virgin) material sensor is present and if so,
63 of 96 Press Signal Type. (Extrusion Follower only) This screen selects the type of analog signal provided by the press to communicate the
64 of 96 Maximum Press Signal. (Extrusion Follower only) This screen configures the maximum speed of the press and the analog signal associa
65 of 96 Table 4.2 Password requirements. No Passwords Operator Only Setup Only Operator and. Set Active Active Setup Active Recipe Fu
66 of 96 Analog / Encoder Monitor. This screen monitors the analog input & output, as well as the raw encoder value input. Additionally
67 of 96 !"#$%&''()$*+,-,.(/0$$$$$$$$(/1$+,-,.(/$2.''&3$$$$$$$$(441$+,-,.(/$"56,.&3!"#$78&&am
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7 of 96 Chapter 1: Safety 1-1 How to Use This Manual Use this manual as a guide and reference for installing, operating, and maintaining your
70 of 96 Virgin Material Supply Hoppers Various virgin material supply hopper options are available if your existing hopper will not work proper
71 of 96 Chapter 4: Maintenance 4-1 Preventative Maintenance Intervals Daily: Check warning signs on equipment for good legibility and comple
72 of 96 “DD” Dosing Module - Pellets
73 of 96 Figure 4-2 Removing the Shear Plate (“DD dosing Module) Removing the shear 1. Turn “Off” off the “On/Off” switch. 2. Disconnect t
74 of 96 4-3 Removing the “DD” Disc and Cleaning the Dosing Module Dismantling the Dosing Module 1. Switch the control unit “Off” with the “
75 of 96 Installing the Dosing Module 1. Remove the screw (M6 x 30 or 60) from the center hole. 2. Place the dosing disc in the dosing unit ho
76 of 96 “DT” Dosing Module - Pellets and Some Regrind
77 of 96 4-4 Removing/Replacing the Wiper in the “DT” Dosing Station 1. Switch the control unit “Off” with the “On/Off” switch. 2. Disconn
78 of 96 4-5 Removing the “DT” Disc and cleaning the dosing station 1. Switch the control unit “Off” with the “On/Off” switch. 2. Disconn
79 of 96 “DP” Powder Dosing Module
8 of 96 Figure 1: Safety Tags and Warning Labels Hazard Alert Symbol Description/Explanation Preventative Maintenance Pinch point slide gate.
80 of 96 4-6 Removing/Replacing the “DT” Disc & Cleaning the Dosing Station 1. Switch the control unit “Off” with the “On/Off” switch. 2.
81 of 96 4-7 Removing the “DP” Disc and Cleaning the Dosing Station 1. Turn the control unit “Off”. 2. Disconnect the power supply. 3. Open th
82 of 96 4-8 Exchangeable Dosing Modules Dosing discs of the same type, i.e. “DD” may be exchanged for each other. (The 72 pocket also requires
83 of 96 4-9 Spare Parts DD Dosing Units ITEM PART NO QTY U/M DESCRIPTION 1 CT18431
84 of 96 DT Dosing Units ITEM PART NO QTY U/M DESCRIPTION 1 CT66122 1 EA DISC HOUSING DT30 10MM 2 CT66113 2 EA HOOK
85 of 96 DP Dosing Units ITEM PART NO QTY U/M DESCRIPTION 1 882.00569.00 1 EA
86 of 96 DD/DT/DP
87 of 96 Appendix A Basic Parameter Settings A-2 Recipe Formulas The following formulas can be used to determine if a recipe is appropriat
88 of 96 Appendix B Disc Sizing Guides
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9 of 96 1-2 General Safety Regulations These regulations should be read, understood and periodically reviewed by all personnel involved in any
90 of 96 Appendix C Drawings Single Station Digital Dosing Feeder SIDE VIEW
91 of 96 “Duo” Digital Dosing Feeder SIDE VIEW TOP VIEW
92 of 96 Electrical Schematics of A250 Controller
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94 of 96 Appendix D Spare Parts List Dosing Disc/Shear Order Numbers Dosing disc 72 chambers CT100562 40 chambers CT21710 25 chambers CT21711 18
95 of 96 Appendix E Technical Assistance Technical Assistance Parts Department The ACS Customer Service Group will provide your company with g
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