3/18/2011

Grizzly G0521 Drilling/Tapping Machine Review

Grizzly G0521 Drilling/Tapping Machine
Average Reviews:

(More customer reviews)
I purchased this device for my shop so that I could test out the fixed and adjustable C-C multiple spindle drilling heads I sell.I've used it to spin two spindle heads as well as 20 spindle heads.It is a great machine.It even has a quill notch and set-screw-like device to manage rotation of the quill.Quite a nice feature.

We suggest this unit to our customers on a regular basis and the only complaint we or our customers have ever had concerns the method in which you change the RPM rate.It's not a machine I would want to adjust daily because the belt and pulley set-up isn't very user friendly...But if it is being used for repetitious work and a lead screw tap machine isn't justified for tapping or you want to spin a multiple spindle drilling or tapping unit, it's a great machine.

If given the choice between using this drill press, a smaller Grizzly we own or an older, WWI era machine, I choose this machine every single time.

We even set up a special control for the motor so that it can be used in ultra-high volume tapping operations.

Only the speed change difficulty issue keeps me from giving it five stars.I'd give it 4.5 if that was an option...

If you want a relatively heavy duty drill press and can't justify an AutoDrill or want a tapping machine and don't want to go the route of an automatically reversing tapping head, single or multiple spindle lead screw tap machine or an even more expensive servo-driven unit, this is the machine to look at.Period.

I've got a video of the machine running a multiple spindle tapping head if anyone would like to see it.Just Google "A Very Simple Drill Press Tapping Operation for Multiple Holes" or check on YouTube for the same title.

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Product Description:
This is a sophisticated Tapping Machine with all the features you'd expect, like auto-reverse, precision collet set for taps, foot pedal control, massive construction & 2 HP of brute force! It also is a precision drill press, too! It has nine spindle speeds, a swing of 18" & 5-1/8" of spindle stroke. Without a doubt, this is a great buy all around. SPECIFICATIONS: ' Motor size: 2 HP, 3-phase' Voltage: 220V' Switch: Reversing' Overall height: 69-1/4"' Spindle travel: 5-1/8"' Number of speeds: 9' Spindle taper: MT#3' Range of speeds: 190 - 2250 RPM' Swing: 18"' Max. distance spindle to table: 30"' Max. distance spindle to base: 46"' Tapping capacity: 7/8"' Collet sizes for taps: 1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16" & 7/8"' Table size: 13-3/8" x 14-1/8" ' Head swivel: 360º' Drilling capacity: 1" in Mild Steel' Approximate shipping weight: 656 lbs.

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