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.
