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Surface Grinders
This ad is maintained in a searchable database. This ad may have been modified or even deleted since this page was posted. To see the current ad with all of the details, please go here.
12x30 SUMMIT Hydraulic Surface Grinder, automatic incremental down
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Ad Number: 7274
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Year: 1980 | Make: SUMMIT | Model: 12x30-K
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| Machine Type: | Condition: Very Good | Price: sold
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Description:
12x30 SUMMIT Hydraulic Surface Grinder with automatic incremental downfeed. Model 12 x 30-K
Table working area: 11.8 x 44.5
Maximum grinding width: 13 3/4
Maximum grinding length: 29 1/2
Maximum distance from underside of 12diameter
Grinding wheel to top of table: 19.7
Wheel size: 12 diameter x 2 wide x 5 bore
Wheel speed: 1,500 RPM
Longitudinal table speed range, infinitely variable: 6 to 7 FPM
Automatic cross feed at each table reversal
Adjustable from: .080 to .800
Downfeed handwheel graduated in increments of: .0004
Minimum downfeed increment: .00008
EQUIPPED WITH:
All three axes traveling on roller bearing slides
Hardened and ground ways on table and saddle
Hydraulically actuated longitudinal feed
Electro-mechanically actuated cross feed
Electro-mechanically controlled automatic incremental downfeed of grinding wheelhead
at each table reversal for plunge grinding or at each saddle reversal for surface
grinding. Full automatic grinding cycle includes coarse downfeed to the wheel followed by a fine downfeed and then an automatic spark out. Retraction of the grinding wheel head at the end of the grinding cycle is operator controlled.
Motorized power rapid traverse to grinding wheelhead
10 x 30 Electromagnetic chuck with controls
Over-the-wheel dressing attachment with automatic compensation
Self-contained coolant system
5.5 HP spindle drive motor and electrical controls |
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