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Screw Conveyor
Pocket Guide to Screw Conveyors
What is Being Conveyed? How Far? How Much? How Fast? What Angle? How is it Fed?
Pitch
Shaft Diameter
Normally Conveyor Diameter + 1" Inside Width
Conveyor Diameter
Flight Thickness (Outer Edge)
Pipe Diameter (Nominal O.D.)
Right and Left Hand Screws
Thickness
Components needed for standard intermediate screw connection: 1. 2. 3. 4.
Hanger Frame Hanger Bearing Coupling Shaft Coupling Bolts
Conveyor Screw Rotation Flow
Flow
C.W. Rotation
Left Hand
C.C.W. Rotation
Right Hand
A conveyor screw is either right hand or left hand depending on the form of the helix. The hand of the screw is easily determined by looking at the end of the screw. The screw pictured to the left has the flight helix wrapped around the pipe in a counter-clockwise direction, or to your left. Same as left hand threads on a bolt. This is arbitrarily termed a LEFT hand screw. The screw pictured to the right has the flight helix wrapped around the pipe in a clockwise direction, or to your right. Same as right hand threads on a bolt. This is termed a RIGHT hand screw. A conveyor screw viewed from either end will show the same configuration. If the end of the conveyor screw is not readily visible, then by merely imagining that the flighting has been cut, with the cut end exposed, the hand of the screw may be easily determined.
Left Hand
Right Hand
The above diagrams are a simple means of determining screw rotation. When the material flow is in the direction away from the end being viewed, a R.H. screw will turn counter clockwise and a L.H. screw will turn in clockwise rotation as shown by the arrows.
Screw Conveyor
Needed for Quote:
Screw Conveyor Nomenclature Conveyor Screw 16 H 6 14 R
1 CD 5 BB W
2 1" 3 1 1/2"
2 1" 3 1 1/2"
Coupling Diameter 4 2" 6 3" 5 2 7/16" 7 3 7/16"
H Helicoid S Sectional R Ribbon HQ Quick Detachable Helicoid SQ Quick Detachable Sectional Screw Diameter
Coupling Component 2 1" 3 1 1/2"
Coupling Diameter 4 2" 6 3" 5 2 7/16" 7 3 7/16" Coupling Part
CCB Coupling Bolts CIC Internal Collar CC Coupling Shaft Std.
CCC Close Coupling Shaft CHE Hanger End Shaft
Drive Shaft Number Drive Shaft Only 1 Standard End Plate 2 Single Bearing Pedestal 3 Double Bearing Pedestal
Conveyor Diameter
Cover Inlet 14 CI F
CHB 220 6 W
ST MHI N P MCB
Coupling Diameter 2 1" 5 2 7/16" 3 1 1/2" 6 3" 4 2"
7 3 7/16"
Hanger Style 220, 226, 216, 230, 316, 19B, 326, 30, 216F, 60, 70 Conveyor Hanger Conveyor Diameter
3 1 1/2" 4 2"
6 3" 7 3 7/16"
TCS Semi Flanged TCF Flanged
TSC Shroud
Conveyor Diameter
Trough End 9 TEF 3 - BB - P
Type F Fixed D Detachable
End Bearing Bearing or Shaft Type
TEB 5 BB
(Doesn't apply for TEBH & CTW) BR Bronze D Drive BB Ball E End R Roller
2 1" 3 1 1/2"
Construction Stellite Martin Hard Iron Nylatron HDPE Melamine (Furnished Less Flanges) White Nylon Hard Iron Wood Bronze UHMW
Coupling Diameter 2 1" 5 2 7/16"
Type TCH Hip Roof
Coupling Diameter 4 2" 6 3" 5 2 7/16" 7 3 7/16" Bearing Style
TEB Flanged TDB Discharge TPB Pillow Block TEBH Trough End Bearing Housing for Hanger Bearing CTW Weather Set Thrust Style B CTH Heavy Duty RB End Thrust CT Type E Thrust Hanger Bearing
2 1" 3 1 1/2"
CSS 6
2 1" 3 1 1/2"
Style 18B*, 60**, 216, 220 * Wood, Hard Iron, Nylatron & Gatke ** Ball Bearing Only Conveyor Hanger Bearing
www.martinsprocket.com - 817 258 3000
Coupling Diameter 4 2" 6 3" 5 2 7/16" 7 3 7/16" Seal Style
CSS Split Gland PGC Packing Gland CSW Waste Pack with Lip Seal CSP Plate Seal with Lip Seal CSFP Product Drop Out MSP Martin Super Pack
Copyright® 2016 Martin Sprocket & Gear, Inc. • All Rights Reserved
TE TEF TEI TER TEO TEOD FTEF FTE FTEO FTDO TDO TDI CHTE CHTEF
Coupling Diameter 4 2" 6 3" 5 2 7/16" 7 3 7/16"
Trough End Type Outside Outside with Feet Inside Inside Rectangular Single Bearing Pedestal Double Bearing Pedestal Outside Flared with Feet Outside Flared Single Bearing Flared Pedestal Flared Discharge End Outside Discharge End Inside Discharge End Outside Tubular Outside Tubular with Feet Conveyor Diameter
Discharges & Gates 14 TSD 12
Shaft Seal
Plate Only (Less Bearing) Bearing Type BB Ball RB Roller
Cover Inlet
MBR Martin Bronze C Ceramic
14 CH 220 5
Length of Cover Cover Thickness 16 16 GA. 12 12 GA. 14 14 GA. 10 10 GA.
TCP Plain
Conveyor Diameter
Hanger Bearing
WN H W BR U
Hanger
Formed Flange U Trough Flared Trough Tubular Tubular Split Formed Flange Tubular Split Angle Flange
Type CD Drive Shaft CE End Shaft
Screw Type
CC S
CTF FCT CHT CHT-F CHT-A
Delete if without seal P Plate W Waste Pack Bearing Type BB Ball RB Roller
18 TCP 12 - 12
Housing Configuration
Seal Type
Flight Thickness 10 5/32 16 1/4 12 3/16 24 3/8 14 7/32 32 1/2 Coupling Diameter 4 2" 6 3" 5 2 7/16" 7 3 7/16"
Length of Trough Trough Thickness 16 16 GA. 12 12 GA. 14 14 GA. 10 10 GA.
CTA Angle Flange U Trough
Drive & End Shaft Flight Hand R Right L Left
04 1/16 06 3/32 08 1/8
18 TCP 12 - 12
Trough Cover
Sprout Thickness 16 16 GA. 12 12 GA. 14 14 GA. 10 10 GA.
Type TSD Plain Fixed Spout TSDS Plain Fixed Spout w/Slide TSDF Flush End Spout RPF Rack & Pinion Flat Slide RPFD Rack & Pinion Flat Slide Dust Tight RFC Rack & Pinion Curved Slide RPCD Rack & Pinion Curved Slide Dust Tight Conveyor Diameter
Screw Conveyor
Conveyor Trough
Specialty Applications
O
ur extensive industry experience enables us to provide you with the answers to those troublesome areas that impact your ability to get product out the door. Industry specific product guides are available for a number of targeted markets.
•• Aggregate •• Cement •• Chemical & Heavy Industrial •• Dust Collection/ Air Pollution Control •• Food Processing
•• •• •• •• •• •• ••
Mixer & Shredder Pulp & Paper Rendering Waste-to-Energy Wastewater Treatment Wine & Beverage Wood Products
For more information contact a branch near you: USA Corporate Offices Sales & Manufacturing ARLINGTON, TX 817-258-3000 (FAX 817-258-3333) Regional Manufacturing Plants ALBEMARLE, NC 704-982-9555 (FAX 704-982-9599) ATLANTA, GA 404-292-8744 (FAX 404-292-7771) BURLESON, TX 817-295-7151 (FAX 817-447-3840) DANIELSVILLE, PA 610-837-1841 (FAX 610-837-7337) FT. WORTH, TX 817-258-3000 (FAX 817-258-3173) MONTPELIER, OH 419-485-5515 (FAX 419-485-3565) SACRAMENTO, CA 916-441-7172 (FAX 916-441-4600) Manufacturing Only Abilene, TX, Clarksville, TX, Dallas, TX, Mansfield, TX, Paragould, AR
Branch Manufacturing Plants BOSTON, MA 08-634-3990 (FAX 508-634-3998) CHARLOTTE, NC 704-394-9111 (FAX 704-394-9122) CHICAGO, IL 847-298-8844 (FAX 847-298-2967) DENVER, CO 303-371-8466 (FAX 303-371-7116) HOUSTON, TX 713-849-4330 (FAX 713-849-4807) KANSAS CITY, MO 816-231-5575 (FAX 816-231-1959) LOS ANGELES, CA 323-728-8117 (FAX 323-722-7526) MINNEAPOLIS, MN 952-829-0623 (FAX 952-944-9385) NASHVILLE, TN 615-871-4730 (FAX 615-871-4125) PITTSBURGH, PA 724-452-4555 (FAX 724-452-5794) PORTLAND, OR 503-223-7261 (FAX 503-221-0203) TAMPA, FL 813-623-1705 (FAX 813-626-8953)
CANADA
CAMBRIDGE, ONTARIO 519-621-0546 (FAX 519-621-4413) EDMONTON, ALBERTA 780-450-0888 (Fax 780-465-0079) MISSISSAUGA, ONTARIO 905-670-1991 (FAX 905-670-2110)
MEXICO GUADALAJARA, JAL +52 33-3283-1188 (FAX +52 33-3271-8450) MONTERREY, N.L. +52 811 156 6830 (FAX +52 81-1156-6833) TOLUCA, MEX +52 722 276 0800 (FAX +52 722-276-0801)
BRAZIL SÃO PAULO, SP +55 19 3877 9400 (FAX +55 19-3877-9429)
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