<%@LANGUAGE="JAVASCRIPT" CODEPAGE="65001"%> Mainline Conveyor Systems, Inc. CRA Specifications
TVA
MBC
CRA
CBS
FTEP
LDC
LDRNL
TDB
TVP
SDG
LDL
TDC
TDI
LDR
LDS
SID
FTEM
FTE
TVM
TVT
TVB
TDR

Accumulating Roller Conveyor (CRA)

Nonaccumulating Roller Conveyor (CRN)
Description
  
Specifications
cra
General Specifications
Conveyor Width - Between Frame
42"    48"    54"    60"    72"    84"    96"
Conveyor Width - Overall 46-1/4" 52-1/4" 58-1/4" 64-1/4" 76-1/4" 88-1/4" 100-1/4"
Module Length 1'-0" thru 7'-0" in 3-inch increments (special lengths as required)
Minimum Height 12" T.O.R.
Drive Capacity 1,000 lbs. per foot of length; up to 20,000lbs per area of accum. (based on load type)
Power Requirements
Air Supply (accumulating)
1.5CFM @ 60PSIG per 1000' of conveyor (to actuate at 60 loads per hour)
Electrical Supply; Amperage

230-460V/3ph/60hz; 1.95 Amps(460V) @ Full load per drive
Drive 1HP @ 40 or 60 FPM (other speeds available upon request)
Construction

Frame

 Integral weldment includes:
  • Sideframe: C5x6.7# structural steel channel
  • Shaft supports: Formed Flat, 3/16" thick x 2-7/8" width w/Laser cut support slots
  • Tie braces (cross supports): 4 x 2 x 1/8" rectangular tubing at max 4'-0" centers.
  • Legs: Formed Flat, 3/16" thick x 6-1/4" width, 2 per tie brace
Pressure Roller Supports Galvanized formed channel 3-3/4" web x 1-1/4" flanges
Air Actuators (accumulating) Commercially available, flexible air bladder type, mounted on each tie brace
Rollers (Load Carrying) Standard lift-out style roller mounted in frame on 3" centers includes:
  • Tube: 2.5" diameter x 11 gauge steel (Galvanized also available)
  • Shaft: 5/8" hex retained in roller
  • Bearings: Comercial grade, grease-packed, sealed-for-life
Pulleys Drive: 6-1/2" diameter, crowned, and spiral-wound lagged; precision bearing mounted
Take-up: 4" diameter, crowned, with 6" adjustment; precision bearing mounted
Terminal: 2-1/2" diameter, crowned, with 1" adjustment; precision bearing mounted
Belting 5/32" thick x 15" wide Nylon cord weave with PVC face both sides (10" wide also used)
Control Options
Manual Operation Pushbutton operator-actuated
Automatic Operation Load detection sensors combine with control logic to actuate the conveyor to move and position loads.
PC Controls / Area Zone Controls Air actuators are controlled by PC logic to engage drive or brakes in individual areas or zones to combine, separate, or move loads along the conveyor.