Material Handling - 176 Pages

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Material Handling

Catalog excerpts

Index SECTION H PRODUCT

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WARNING AND SAFETY REMINDERS FOR SCREW , DRAG , AND BUCKET ELEVATOR CONVEYORS APPROVED FOR DISTRIBUTION BY THE SCREW CONVEYOR SECTION OF THE CONVEYOR EQUIPMENT MANUFACTURERS ASSOCIATION (CEMA) installer, owner and user to install, maintain and operate the conveyor, components and, con- veyor assemblies in such a manner as to com- ply with the Williams-Steiger Occupational Safety and Health Act and with all state and local laws and ordinances and the American National Standards Institute (ANSI) B20.1 Safety Code. In order to avoid an unsafe or hazardous condition, the assemblies or parts...

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Stock & MTO Screw Conveyor Components Screw Conveyor Components and Accessories FORM FLANGED “U” TROUGH SECTIONAL SCREWS SECTIONAL FLIGHTS TUBULAR HOUSING FLAT RACK AND PINION DISCHARGE GATE COUPLING SHAFTS TROUGH ENDS WITH AND WITHOUT FEET HANGER STYLE 220 THRUST ASSEMBLY TYPE E WITH DRIVE SHAFT PACKING GLAND SHAFT SEAL COMPRESSION TYPE INLETS AND DISCHARGE SPOUTS DISCHARGE WASTE PACK SHAFT SEAL ELEVATOR BUCKETS PLATE SHAFT SEAL SPLIT GLAND DROP-OUT SHAFT SEAL FLANGED PRODUCT TROUGH END BEARINGS BALL AND ROLLER HANGER BEARINGS STYLE 220/226 HELICOID SCREWS HELICOID FLIGHTING RIGHT HAND AND...

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Engineering SECTION I ENGINEERING SECTION I The following section is designed to present the necessary engineering information to properly design and layout most conveyor applications. The information has been compiled from many years of experience in successful design and application and from industry standards. We hope that the information presented will be helpful to you in determining the type and size of screw conveyor that will best suit your needs. The “Screw Conveyor Design Procedure” on the following page gives ten step-by-step instructions for properly designing a screw conveyor....

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Design SCREW CONVEYOR DESIGN PROCEDURE Establish Known Factors 1. Type of material to be conveyed. 2. Maximum size of hard lumps. 3. Percentage of hard lumps by volume. 4. Capacity required, in cu.ft./hr. 5. Capacity required, in lbs./hr. 6. Distance material to be conveyed. 7. Any additional factors that may affect conveyor or operations. Classify Material Determine Design Capacity Classify the material according to the system shown in Table 1-1. Or, if the material is included in Table 1-2, use the classication shown in Table 1-2. Determine Diameter and Speed Determine design capacity as...

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Table 1-1 Material Classication Code Chart Major Class Density Material Characteristics Included Bulk Density, Loose Very Fine Fine Granular Lumpy Irregular Flowability Abrasiveness CONVEYORS Miscellaneous Properties Or No. 200 Sieve (.0029″) And Under No. 100 Sieve (.0059″) And Under No. 40 Sieve (.016″) And Under No. ⁄2″ And Under (6 Sieve to 1⁄2″) 3″ And Under (1⁄2 to 3″) 7″ And Under (3″ to 7″) 1 16″ And Under (0″ to 16″) Over 16″ To Be Specied X=Actual Maximum Size Stringy, Fibrous, Cylindrical, Slabs, Etc. Very Free Flowing Free Flowing Average Flowability Sluggish Mildly Abrasive...

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Table 1-2 Material Characteristics Material Characteristics The material characteristics table (page H-8 or H-16) lists the following Design Data for many materials. A. The weight per cubic foot data may be used to calculate the required capacity of the conveyor in cubic feet per hour. B. The material code for each material is as described in Table 1-1, and as interpreted below. C. The Intermediate Bearing Selection Code is used to properly select the intermediate hanger bearing from Table 1-11 (Page H-23). D. The Component Series Code is used to determine the correct components to be used...

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Table 1-2 Material Characteristics Material Adipic Acid Alfalfa Meal Alfalfa Pellets Alfalfa Seed Almonds, Broken Almonds, Whole Shelled Alum, Fine Alum, Lumpy Alumina Alumina, Fine Alumina Sized Or Briquette Aluminate Gel (Aluminate Hydroxide) Aluminum Chips, Dry Aluminum Chips, Oily Aluminum Hydrate Aluminum Ore (See Bauxite) Aluminum Oxide Aluminum Silicate (Andalusite) Aluminum Sulfate Ammonium Chloride, Crystalline Ammonium Nitrate Ammonium Sulfate Antimony Powder Apple Pomace, Dry Arsenate Of Lead (See Lead Arsenate) Arsenic Oxide (Arsenolite) Arsenic Pulverized Asbestos — Rock (Ore)...

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Table 1-2 Material Characteristics (Cont’d) Bentonite, Crude Bentonite, –100 Mesh Benzene Hexachloride Bicarbonate of Soda (Baking Soda) Blood, Dried Blood, Ground, Dried Bone Ash (Tricalcium Phosphate) Boneblack Bonechar Bonemeal Bones, Whole* Bones, Crushed Bones, Ground Borate of Lime Borax, Fine Borax Screening — 1⁄2″ Borax, 11⁄2-2″ Lump Borax, 2″-3″ Lump Boric Acid, Fine Boron Bran, Rice — Rye — Wheat Braunite (Manganese Oxide) Bread Crumbs Brewerʼs Grain, Spent, Dry Brewerʼs Grain, Spent, Wet Brick, Ground — 1⁄8″ Bronze Chips Buckwheat Calcine, Flour Calcium Carbide Calcium Carbonate...

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Table 1-2 Material Characteristics (Cont’d) Material Charcoal, Lumps Chocolate, Cake Pressed Chrome Ore Cinders, Blast Furnace Cinders, Coal Clay (See Bentonite, Diatomaceous Earth, Fullerʼs Earth, Kaolin & Marl) Clay, Ceramic, Dry, Fines Clay, Calcined Clay, Brick, Dry, Fines Clay, Dry, Lumpy Clinker, Cement (See Cement Clinker) Clover Seed Coal, Anthracite (River & Culm) Coal, Anthracite, Sized-1⁄2″ Coal, Bituminous, Mined Coal, Bituminous, Mined, Sized Coal, Bituminous, Mined, Slack Coal, Lignite Cocoa Beans Cocoa, Nibs Cocoa, Powdered Cocoanut, Shredded Coffee, Chaff Coffee, Green Bean...

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Table 1-2 Material Characteristics (Cont’d) Cottonseed, Cake, Lumpy Cottonseed, Dry, Delinted Cottonseed, Dry, Not Delinted Cottonseed, Flakes Cottonseed, Hulls Cottonseed, Meal, Expeller Cottonseed, Meal, Extracted Cottonseed, Meats, Dry Cottonseed, Meats, Rolled Cracklings, Crushed Cryolite, Dust Cryolite, Lumpy Cullet, Fine Cullet, Lump Culm, (See Coal, Anthracite) Cupric Sulphate (Copper Sulfate) Detergent (See Soap Detergent) Diatomaceous Earth Dicalcium Phosphate Disodium Phosphate Distillerʼs Grain, Spent Dry Distillerʼs Grain, Spent Wet Dolomite, Crushed Dolomite, Lumpy Earth, Loam,...

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