Item# 15388A SUPERTEC HAND FEED -MANUAL SURFACE GRINDER, MODEL: STP-618M

$5,950.00

EQUIPPED WITH:

  • “New” Fine-Division” Permanent Magnetic Chuck

 

STANDARD FEATURES

  • Hand Feeds – Manual operation model
  • All castings are tempered and stress relieved twice to assure stability of the machine structure and resist deflection under load
  • Hardened and ground column ways with cast spindle slide is precision fit for no “hang-up” gravity downfeed
  • 3 HP V3 Grade spindle motor for powerful output to achieve precision

work standards and better grinding capability

  • Cartridge spindle with four preloaded class 7 P4 bearings and run-out

of taper nose better than 0.000060” T.I.R. provides quiet, vibration free

operation for better workpieces accuracy

  • The table traverses on linear ball bearings with hardened and ground guide ways to ensure a smooth and easy movement of the table
  • Double V cross ways are hand scraped and Turcite coated for greater flatness and high wear resistance
  • Indexable table handwheel for ease of operation
  • Vertical handwheel at the waist level
  • The automatic lubrication system continuously floods saddle and column ways, bearings, and leadscrews for better machine performance and less maintenance
  • Wheelhead variable spindle speeds as options
  • 0.000050” Micro downfeed and micro crossfeed as options
  • Voltage requires 220V/440V/3 Phase/60 Hz., prewired 220V

*** 2003 Machine in Superb Condition – Very Quiet Spindle, Smooth Table **

SHIPS FROM: NJ

Description

SPECIFICATIONS:

YEAR                                  2003

BRAND                              SUPERTEC

MODEL                              STP-618M

 

TABLE SIZE:  6″ X 18″

GRINDING CAPACITY: 6″ X 19″

GRINDING WHEEL SIZE:8″ DIAMETER X 1/2″ WIDTH  X 1-1/4 HOLE

STANDARD CHUCK SIZE: 6″ W X 18″ L

TABLE SURFACE TO SPINDLE CENTER DISTANCE: 19″

 

LONGITUDINAL MOVEMENT TRAVERSE DISTANCE:20″

CROSS MOVEMENT TRAVERSE DISTANCE:7″

CROSS MOVEMENT HANDWHEEL PER REVOLUTION: 0.2″

CROSS MOVEMENT HANDWHEEL PER GRADUATION:  0.001″

 

VERTICAL DOWNFEED HANDWHEEL PER REVOLUTION:  0.05″

VERTICAL DOWNFEED HANDWHEEL PER GRADUATION: 0.0001″

WORK TABLE FLATNESS ACCURACY:  0.00012″

 

LONGITUDINAL MOVEMENTPARALLELISM ACURACY:  0.0001/18″ PER DISTANCE

CROSS MOVEMENT PARALLELISM ACCURACY: 0.000080/6″ PER DISTANCE

SPINDLE PARALLEL TO WORK TABLE ACCURACY: 0.003/12″ PER DISTANCE

 

TABLE ACCURACY : 0.0003/12″ PER DISTANCE

WHEEL TAPER RUN-OUT ACCURACY:  0.000060″

GRINDING WHEEL SPINDLE SPEEDS: 3450 RPM

SPINDLE MOTOR: 3 HP, 220/44O VOLTS, 3 PHASE, 60 HZ

 

FLOOR SPACE DIMENSIONS: 76″ X 43″ 88″

WEIGHT:. 1,520 LBS

 

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