Poly-V Photo Eye Controlled Powered Roller Accumulator Curve, Roach Model 796 PRAC

Features

• The PRAC Curve is a perfect complement to the Model PRA (straight length)
• Driven by the same 1.9” powered roller
• 2.5” tapered tread rollers are connected by the same 3/16” diameter polyurethane belts to the powered roller mounted underneath the tread rollers
• Like the 796 PRA, the zones in the 796 PRAC are controlled with a photo eye and also need only be active while product is present
• Lengthwise grooves provide drive by adhesion, and optimizes the contact area, giving increased power transfer
• Motorized rollers drive the conveyor, eliminating the need for drive belts, chains or lines shafts
• Divided into accumulation zones; each zone is powered by a motorized roller
• Roller may be turned off to cause product in the zone to stop
• Controller's sense product presence and control the accumulation and release of product zone by zone
• Box and product damages are virtually eliminated with accumulation functionality
• Available in two configurations:  2 Rib Poly-V Belt or 3 Rib Poly-V Belt
  • 2 Rib Poly-V Belt: 110 lbs. per zone at 60 fpm (maximum capacity)
  • 3 Rib Poly-V Belt: 350 lbs. per zone at 53 fpm (maximum capacity)

Applications

• Manual workstations
• Robotic palletizers, sorters, and merges
• Warehousing
• Distribution
• Package Conveyance

Specifications

• Tread Rollers: 796PRA 1.9" dia x 16 ga. galvanized, model 196G grooved.
  796 PRAC 2-1/2" dia to 1-11/16" dia. x 14 ga. steel tapered rollers, Model 254T
• Drive Belt: 3/16” dia., polyurethane belts. Nominal 15 lbs. per roller drive.
• Capacity: 15 lbs. per roller or up to 70 lbs. per zone SPEED: 60 FPM, constant.
• Roller Centers: 3”
• Bed: 796 PRA - 7” x 1-3/4” x 12 ga. formed steel channel frame. Rollers set low in frame.
• Accumulation: Zone singulation operation; 24" zone length; zones are actuated using a photo eye
• Motor Drive: 796PRA, Driven by 24V DC Powered Roller
    796PRAC, Indirect driven by 24 VDC Powered Roller.  (See drawing in PDF)
• Bearings: Precision ABEC bearings
• DC power supply: 24 volt fixed output required

Options

• Plastic Bed Belting Available
• Accumulation Zones: 18” and 30” long zones available, depending on roller centers.
• Floor Supports: Supports, knee braces, casters and polytier supports avail-able. See Conveyor Accessories.
• Conveyor Speed: Constant speed 34-260 FPM
• Ceiling Hangers: 5/8” dia. threaded rod with hardware to attach rods to conveyor. Provides 6’ clearance between ceiling and TOR (furnished in place of floor supports). See Conveyor Accessories.
• Diffuse Photo Eye: Photo eyes mounted below the tread rollers
• Bed: Control side 7” x 1-3/4” x 12 ga. formed steel channel frame. Rollers set low in frame. Outside channel 5” x 1-3/4” x 10 ga. formed steel channel frame. Rollers set high in frame.

For more information on the Powered Roller Accumulator Curve, Roach Model 796 PRAC please contact a Thomas Conveyor & Equipment Automation Engineer at 844 220 0086 or click on the Contact Us button above.