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SHEFFIELD MODEL 187C CRUSHTRUE FORM GRINDER

GRINDER FORM
Manufacturer:
SHEFFIELD
Model:
187C
Year:
1977
Stock #:
4654
SHEFFIELD MODEL 187C CRUSHTRUE FORM GRINDER

Work capacity
Maximum length 24"
Maximum diameter 10"
Maximum swing diameter 11-3/4"
Maximum form depth 1"
Maximum form width with spaced wheels 9"
Grinding wheel
Maximum diameter 24"
Maximum width 9"
Hole diameter 12"
Standard wheel speeds 1122 RPM
Standard 24" wheel 7000 SFPM
Work speeds, variable 50 to 780 RPM
Maximum wheelhead adjustment 7"
Wheelhead rapid trave range
Minimum 3/8"
Maximum 1-1/2"
Maximum wheelhead automatic feed 1"
Maximum wheelhead infeed rate Standard .005" to .475" per min.
Crushtrue feed range .004" to .075" per min.
Tailstock center taperNo. 11 B & S
Platen swivel adjustment 2 degrees clockwise
5 degrees counterclockwise

MOTOR SPECIFICATIONS

30 HP 3/60/230/460 Wheelhead motor & controls
1-1/2 HP DC Variable speed workhead motor
3 HP 3/60/230/460 Slow wheel crush feed motor
2 HP 3/60/230/460 Hydraulic rapid traverse motor
1/2 HP 3/60/230/460 Lubrication motor

9" Wide wheel assemble with crushform dresser
Lateral work table movement
Jet wheel cleaner
Wheel head compensation
Live center headstock
Tailstock
Coolant system filtration
Coolant refrigeration unit

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