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Slide Gate/Auger Gravimetric Batch Blenders
With Mitsubishi Controller
Part Number: A0567659
Bulletin Number: SM1-605M.1
Effective: 6/10/05
Write Down Your Serial Numbers Here For Future Reference:
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We are committed to a continuing program of product improvement.
Specific
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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: CHAPTER 1: SAFETY ......................................... 7 1-1 How to Use This Manual .............................................................................................7 Safety Symbols Used in this Manual.....................................................................7 1-2 Warnings and Precautions ..........................................................................................9 1-3 Responsibility .....................................
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Re-Mix Timer.......................................................................................................49 Weigh Hopper Dump Time..................................................................................50 Weigh Hopper Dump Delay Time........................................................................50 Weigh Hopper Dump Cycle.................................................................................50 Mixer Options ...............................................
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Slide Gate Gravimetric Batch Blending Systems ................................................79 Auger Gravimetric Batch Blending Systems........................................................80 7-5 Blender Identification (Serial Number) Tag ...............................................................90 7-6 Technical Assistance.................................................................................................90 Parts Department ..............................................
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Chapter 1: Chapter 1: Safety 1-1 How to Use This Manual Use this manual as a guide and reference for installing, operating, and maintaining your Gravimetric Batch 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 fe
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Gravimetric Batch Blender Safety Tags Tag Description Tag Description Read Operation & Pinch Point Slide Gate Installation Manual Shear Point Rotating Earth Ground Mixer High Voltage Inside Protected Earth Ground Enclosure PE Shear Hazard Rotating Lifting Point Auger Gravimetric Batch Blenders w/Mitsubishi ControlChapter 1: Safety 8
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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 national and local safety codes. This may include, but is not limited to OSHA, NEC, CSA, 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 practices: Read and f
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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 slide gate and auger blenders of various blending rates and specifications. See Figure 1 below for a list of available models. Figure 1: Models Covered by this Manual Slide Gate Blenders Auger Blenders • 450 • 002 • 900 • 012 • 2500 • 030 • 4000 • 060 • 5000 Model numbers are listed on the serial tag. Make sure you know the mode
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2-3 Typical Features & Components Mechanical Features Slide Gate Blenders • Exclusive diamond design slide gate metering assemblies meter a large range for free flowing pellet materials • Slide gate stroke limiting restrictors provided for accurate metering of minor ingredients • Electro-polished 304 SS stainless steel weighing and blending components • Removable stainless steel weigh hopper • Mild steel material supply hoppers with clean-out doors and material drains Auger Blenders
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Controller Features • LCD touch-screen interface display operator control panel with 8’ cable • Target vs. actual set point verification • Inventory accumulation for all ingredients • Audible and visual alarms • Auxiliary alarm contact • 50 recipe storage book • Three (3) types of recipe entry procedures available: • Quickset mode (up to 6-component) recipe entry. Color and additives are metered as a percentage of the virgin material. • Percentage mode recipe entry. Ingredients
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Note: The touch-screen panel display on your unit may be slightly different than shown. Slide Gate & Auger Blender System Component Description This section describes the various components of the blending system. The Slide Gate & Auger blending system is made up of the following components: • Material Supply Hoppers • Slide Gate Metering Assemblies • Auger Metering Assemblies • Weigh Hopper • Weigh Hopper Dump Valve • Mix Chamber • Operator Control Panel Material Supply Hoppers
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Slide Gate Metering Assemblies (Slide Gate Blenders) Air operated slide gates are provided to meter the majority of pellet ingredients on Slide Gate blenders. 1 Note: The metering range assumes /8” diameter free-flowing plastic pellets weighing approximately 35 lbs./cu. ft. This is meant to be an approximate sizing recommendation and can vary with different bulk density resins, pellet configuration, etc. A stroke limiter (included) can be installed on the metering gates to limit their
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Each of the diamond gate air cylinders is actuated by a solenoid valve, which are controlled by the blender. When the solenoid valve is energized, it opens the metering valve cylinder. When the solenoid valve is de-energized, it closes the metering valve cylinder. If the power is interrupted to the blender, the metering valves will return to the closed position, to prevent material from over-filling the weigh hopper/mix chamber. Note: If the blender is in metering mode with one of the slid
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Weigh Hopper The weigh hopper on the Slide Gate/Auger blender is used to weigh each batch of material, and includes an air-operated discharge valve. After the batch is weighed and the level sensor in the lower mix section is uncovered, the valve will open and discharge the batch into the mixer with the existing blended material. The discharge valve is also provided with a quick disconnect so the weigh hopper can be removed for cleaning. On a Slide Gate blender, the weigh hopper rests on
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Weigh Hopper Discharge Valve The weigh hopper discharge valve holds the material until it is dumped into the mixing section. The cylinder is actuated by a solenoid in the valve stack on the rear of the blender. In looking at the pneumatic circuit, you can see that the air regulator controls the flow of air to the valve stack. When the weigh hopper discharge cylinder solenoid valve is not electrically energized, it will provide air pressure to the air cylinder and hold the shaft in an ex
