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The Fitzpatrick Company
Model "D6B" Comminuting Machine
THE FITZPATRICK COMPANY
CORPORATE HEADQUARTERS
832 INDUSTRIAL DRIVE
ELMHURST, IL 60126
PHONE: (630) 530-3333
FAX: (630) 530-0832
Operating Instruction Manual:
Visit us on our Web Sites:
A Unit of
For Headquarters:
www.fitzmill.com
For Europe:
www.fitzpatrick.be
Corporation
D6B Manual Ver 1_24 Jan 2012-DRAFT.doc
THE FITZPATRICK CO. EUROPE
ENTREPOTSTRAAT 8
9100 ST. NIKLAAS BELGIUM
PHONE: (32) 3-780-6200
FAX: (32) 3-766-1084
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- Page 1 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Operating Instruction Manual: Model “D6B” Comminuting Machine THE FITZPATRICK COMPANY CORPORATE HEADQUARTERS Visit us on our Web Sites: THE FITZPATRICK CO. EUROPE 832 INDUSTRIAL DRIVE For Headquarters: ENTREPOTSTRAAT 8 ELMHURST, IL 60126 www.fitzmill.com 9100 ST.
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Page 2: Table Of Contents
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc TABLE OF CONTENTS SECTION 1 SAFETY INFORMATION Safety Guidelines Safety Labels SECTION 2 MACHINE SYSTEMS OVERVIEW How to Use Your Operating Manual How to Identify Your Machine How to Set Up a Fitzmill Comminutor Understanding Comminutor Operation General Description and Function SECTION 3 SYSTEM SET UP... - Page 3 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc PLEASE NOTE: IT IS IMPORTANT THAT ALL PERSONNEL CONCERNED WITH THE INSTALLATION, OPERATION AND MAINTENANCE OF THIS EQUIPMENT HAVE AMPLE OPPORTUNITY TO STUDY THE CONTENTS OF THIS MANUAL. WE REQUEST THAT COPIES BE PROVIDED TO THE APPROPRIATE PEOPLE FOR THEIR INITIAL STUDY AND READY REFERENCE, IN ORDER THAT THE EQUIPMENT MAY BE INSTALLED, OPERATED AND MAINTAINED EFFECTIVELY AND SAFELY.
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Page 4: Section 2 Machine Systems Overview
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc SECTION 2: Machine Systems Overview How To Use Your Operating Manual Your Fitz®Mill Operating Manual has been provided to you on CD-ROM and includes a series of folders; each containing specific information relevant to your Comminuting machine. Below is a brief description of what is to be included in each folder. - Page 5 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Parameter Sheets: (Standard) Includes Variable Frequency Drive (VFD) specifications and parameter settings for machines so equipped. PLC & OIU Programs: (Optional) Includes software code for machines controlled via Fitzpatrick supplied PLC and Operator Interface.
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Page 6: How To Identify Your Machine
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc How to Identify Your Machine A Model number and Serial number describe each Fitz®Mill Comminutor. These can be found on your Comminutor Specification Sheet, on the machine nameplate and stamped directly on the chamber side segment, near the packing gland (shown below). The serial number stamped on the chamber should be the same as indicated on the machine nameplate. -
Page 7: How To Set Up A Fitzmill Comminutor
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc How to Set Up a Fitz®Mill Comminutor Most D6B machines are shipped completely assembled except for the machine legs, miscellaneous loose parts such as extra screens, dust retainers, accessories and spare parts, which are normally packed within a cardboard box, inside the machine packing crate. -
Page 8: General Description And Function
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc General Description and Function: RV-D6B The RV-D6B is a automatically fed milling machine bounded on top by a infeed rotary valve. The milling chamber which contains the rotor assembly and discharges milled product through the bottom of the chamber by a discharge rotary valve. - Page 9 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Figure 2.5.2: Typical Plan View for RV-D6B-RV Figure 2.5.3: Side View for RV-D6B-RV A Unit of Corporation Page 19 of 49...
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Page 10: Operating Speeds
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc SECTION 3: Machine Set Up Operating Speeds Motors are typically supplied with base speeds of 1800 or 3600 rpm for 60 hertz duty (1500 or 3000 rpm for 50 hertz). Actual slip speed, as stamped on the motor nameplate, will be slightly less than these nominal ratings (e.g. -
Page 11: Rotor Rotation: Knife Or Impact Milling
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Rotor Rotation: Knife or Impact Milling The D6B is equipped with a one-piece rotor assembly with both knife and impact edged blades. The impact or blunt edge is designed for fine size reduction, whereas the knife or sharp edge is utilized for producing a larger or granular end product with minimum fine powder. - Page 12 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Rotor Lip Seal Your machine has been shipped with a one piece double lip shaft seal installed. The lip seal is located on the inside rear chamber. The seal should be inspected regularly and replaced whenever excessive wear is evident.
- Page 13 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc 3.3.2 Lip Seal Air Purge The lip seal air purge is used on machines to keep product from migrating past the seal lips. It also aids in dissipating heat build up on the rotor shaft. On inerting machines, nitrogen would be used as the process gas in place of air.
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Page 14: Water Jacketing
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Water Jacketing The D6B chamber is equipped with a water cooling jacket. The maximum recommended operating pressure in the Chamber is typically 1 bar (15 psi). Pressure control (supplied by customer) is to be located before the inlet to the water jacket. The outlet must not be restricted. - Page 15 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Procedure for Proper Rotary Valve Packing Adjustment The infeed and discharge rotary valve are supplied with an air seal ring and a backup piece of packing on each rotor shaft end. The air seal helps keep product from leaking out of the rotary valve.
- Page 16 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Drive Body Inlet Air Inlet Connector Packing Gland Packing Air Seal Drive Side Packing Packing Gland on Gland this End Cap Screws (Not shown) End Cap Infeed Rotor 3.5.2 Rotary Valve Exploded View Shown A Unit of Corporation...
- Page 17 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc 6.3 CHAMBER & ROTOR ASSEMBLY Slide the flanged dual lip seal into the chamber bore (Fig. 6.3.1) until flange is seated completely against chamber wall. The lip seal can be removed for inspection using the (2) 1392-0337 removal brackets shown in section 7.2.
- Page 18 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Screen Carrier Assembly 6.3.2 Chamber & Lip Seal Rotation Line Up Slots Knife Side Key Tightner 6.3.3 Rotor & Key Rotor Key A Unit of Corporation Page 36 of 49...
- Page 19 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Rotor Wrench 6.3.4 Rotor Tightening Chamber Dowel Pin Door O-Ring Articulating Hinge 6.3.5 Chamber Door/Handknobs A Unit of Corporation Page 37 of 49...
- Page 20 The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Knob W/Stud Bracket Hand knob Safety Bracket W/Target Target Bore 6.3.6 Safety Bracket with Target A Unit of Corporation Page 38 of 49...
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Page 21: Cleaning Your Machine
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Cleaning your machine The design and construction of your machine allows for disassembly without the need for specialized tools. Complete disassembly of all parts is required for thorough cleaning or washing. All metal parts which contact products being processed are constructed of stainless steel and may be cleaned with hot water or steam. -
Page 22: Screen Carrier Installation
The Fitzpatrick Company D6B Manual Ver 1_24 Jan 2012-DRAFT.doc Mill Chamber (Door Shown Removed) Screen Carrier Assembly 6.5.2 Screen Carrier Installation Uses the screen carriers pry bar here for removal 6.5.3 Screen Carrier Removal A Unit of Corporation Page 40 of 49...