Grizzly   |  Model: G0720R
Heavy-Duty Bench Top Milling Machine
Price: $4,656.25
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Grizzly G0720R - Heavy-Duty Bench Top Milling Machine

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See this item in our 2018 Main Catalog!
613 693
Model: G0720R
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These benchtop mills have all the features you need to take on the most demanding projects. Start with the easy to use spindle speed control ? just turn the dial to set your speed for optimum cuts and tool life. Tapping is also a breeze with the reversing switch control right in the handles. There are even digital displays for spindle speed, spindle height and head angle for excellent heads-up operation! And, don?t forget the dedicated headstock elevation motor ? no more cranking here, just push a button to clear the tooling, change it out and push another button to drop it down to get back into the action!

FEATURES:

  • Power head elevation
  • Digital head tilt angle display
  • Head and table travel on dovetailed ways
  • Includes B16 drill chuck
  • Dovetail column
  • Digital spindle scale reads metric or inches, zero set, on/off, graduated in 0.0005"t
  • Digital display for spindle RPM
  • Reversing buttons on the spindle handles for tapping
  • Coolant trough
  • Front-mounted fine-feed knob
  • Front-mounted E-stop button
  • See-through chip guard
  • Made in an ISO 9001 factory

SPECIFICATIONS:

  • Motor: 2 HP, 110V, single-phase
  • Power source: 110V
  • Universal spindle taper: R8
  • Spindle travel: 3-5/16"
  • Swing: 22-3/4"
  • Max. distance spindle to table: 15-3/4"
  • T-Slots: 4 @ 2-1/8" centers, 9/16" wide
  • Table size: 9-1/2" x 32-1/4"
  • Table travel (longitudinal): 17-5/8"
  • Table travel (cross): 9-5/8"
  • Headstock travel: 13-1/8"
  • Headstock tilt: 90? L, 45? R Drilling capacity: 1-1/8"
  • Quill diameter: 2.56"
  • Variable speed: 100-1600
  • Approximate shipping weight: 768 lbs.
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2 Customer Reviews (4 out of 5 stars): Sign in to write a review

David A
2/7/2018

I purchased the G0702R with the separate X-axis power feed new in late December of 2012 and took delivery in early 2013. I installed a glass-scaled DRO from DRO Pros shortly after I placed the machine into my basement. The machine itself is reasonably well-constructed for a hobby mill. As others have mentioned, the safety shield limits your ability to do any close-up milling. If you choose not to remove it, you will eventually crush the shield as you attempt to maneuver the head in for closer work. The LED work light is useless in my opinion. I did not find that it cast enough light to illuminate my work pieces, and it could not be maneuvered into casting light on the front of my work. I found a magnetic, goose-neck high-output LED light at Menard's that worked great.

The table on this machine is of good size. I installed a full-size Kurt D688 vise onto the table and it worked exceptionally well. I doubt I would go smaller and the machine gave no indication that it had any difficulty with a vise of this size. You can easily fit a 6" rotary table on to this mill, though not an 8". The T-nuts are of an off-size but readily available through Grizzly.

I did have trouble with the driver board in my machine. I'm not sure if I ended up with a bad solder joint or what, but the machine went completely dead during a relatively light milling operation. Fortunately this happened during the first year of ownership and Grizzly replaced both the motor and driver board under warranty. I had to swap the motor and driver board myself and had a chance to Google the components. I could not find a replacement driver board or motor anywhere online. The board itself would have been around $800 through Grizzly, and the motor was close to $500, had my machine not still been under warranty. I never had to replace anything after the first board went, but I didn't keep it or use it much after that because I wanted to upgrade to a full-size mill. I sold my G0702R last summer and bought a new Acer E-mill. The G0702R was an excellent mill to learn on and helped me to fix and make several things. For hobbyists and lighter-duty operations, you can't go wrong with this mill. There are several people in the DIY CNC community that are converting these machines to CNC as well so this machine could be an ideal choice, if your plans evolve in the direction of automation.

William B
BIG! 6/2/2017

Pros:
Rigid. Power head lift is terrific. Way covers work great. Big power; as the spindle speed slows with a load applied the inverter spindle drive senses the load and takes the speed back to where it was without the load.

Annoying Cons:
I suspect that the engineers who designed this mill have never actually used one. The X and Y leadscrews are 8 TPI. Not 10 TPI, where one rev of the handwheel is 0.100", but 8 TPI, where one rev is 1/8". After a full rev of the handwheel, you start to get into some numbers trying to keep up with the distance that may have you making mistakes.
The X handwheel sticks up above the table, it should be small enough so long parts can lay flat on the table and stick out both ends.
The OSHA-required plastic chip shield is a joke. It's not only worthless, but actually interferes with normal mill operations. I removed the so-called chip shield and transplanted the very nice LED work light to the location where the chip shield had been mounted. Now the front side where I'm working is illuminated instead of the back of the workpiece.
All my hold-down equipment and several custom fixtures and jigs use 1/2" hold-down bolts, that was a major factor in my selection of this machine. Then I discovered that not all the table slots are wide enough for 1/2" tee-nuts. A milling cutter and a grinder for the parts of the slots where the mill won't reach solved the problem, but the machine is described as having 9/16" table slots, when it actually does not.

Overall rigidity, quality, and accuracy are excellent. This is a very good value in a machine with it's capabilities. I highly recommend it.

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