J-7

J-7

1 H.P., Internal & External, 3,900-27,000 rpm

Regular price $3,520.00

The Themac J-7 is a heavy duty internal and external grinder installed with the 945T Spindle Assembly. This grinder is recommended for lathes with a 13" swing or larger.

Specifications:

  • 1 H.P. Univeral Motor AC-DC 115V
  • Speed Range: 3,900 rpm to 27,000 rpm
  • Maximum Grinding Wheel Capacity: 6"
  • Machine Weight: 34 lbs.

Additional Equipment Included:

  • #2067 - Extension Spindle for external grinding with 2 each wheel collars 1" and 2".
  • #2020 - Extension Spindle for internal grinding with arbor and 2 wheel collars 3/4".
  • #2097 - 1/4' Chuck Extension Spindle with 1/8" collet.

Grinding Wheels (inches):

  • #966 - 6 x 1/2 x 3/4
  • #268 - 2 1/2 x 1/2 x 1/2
  • #266 - 4 x 1/2 x 1/2
  • #226 - 1 1/2 x 1/4 x 1/4

Mounted Wheels (inches):

  • #202 - 1/4 x 1/4 x 1/8
  • #267 - 1 x 1/4 x 1/4
  • #203 - 1/2 x 1/4 x 1/8

Two Wheel Collars 2 1/2 " to fit directly on Spindle Assembly Arbor.