Sharp Chain Scrag

SHARP CHAIN CONVEYANCE AND GUIDANCE ASSEMBLY:

• Approximately 40' long (can vary) with RCl40 roller chain, specially fitted with 3/8" thick teeth, machined from "Wearalloy B" steel, placed on 12" center; mounted on tubular frame.
• Raceway of "Wearalloy B" 1-1/2" x 3" flatbar, machined for precision tolerance with RCl40 roller chain; minimizes log twist and side motion associated with standard chain fed scrags; return is 3/4" x 2" UHMW bolted to flatbar.
• Sharp chain drive system, with 140 chain sprockets; hydraulic motor with 100 roller chain drive; air-operated chain take-up assembly.

INFEED, CONSISTING OF LOG TURNING/POSITIONING ROLLS, LOG CHARGER, "THUMPER" WHEEL SYSTEM AND HOLD-DOWN WHEEL ASSEMBLY:

• Two 5" diameter rolls with turning sprockets welded in place; powered by two hydraulic motors, one on each roll.
• Log charger assembly, with rolls and frame lower in a forward motion via hydraulic cylinder and pivot arms.
• Two 16" diameter x 3" thick grooved "thumper" wheels activated by special 4" bore air cylinders.
• One 16" diameter pipe hold-down roll actuated by air cylinder.

CENTER SECTION:

• Two tubular steel husk frames, each with:
  • 100 HP motor and v-belt drive
  • 2-15/16" mandrel with 8" collars
  • 48" sawblade
  • 15" wide off-bearing belt, powered from mander
  • Air stack-cylinder setworks with five sets (determined by customer; from 4" to 18")
  • 15 HP hydraulic system

OUTFEED IS AN EXTENSION OF SHARP CHAIN RACEWAY, AND IS INCLUDED IN THE 40' LENGTH.

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