Grizzly G0704 Conversion Kit
$750.00
(plus freight)
While the Grizzly G0704 may still be considered a benchtop mill (it does come with its own stand) it is very different from the Sieg style machines. First of all, it has more travel. It’s a much heavier machine, and, most importantly, it has tapered gibs in its way system which are more accurate and need much less adjustments. Also, the G0704 has a 1hp motor which is leaps and bounds better than the smaller X2 machines
The difference between the Sieg X2 style machines is there is some machining required to the table and Y axis base to convert it to CNC. Additional clearance is required to fit the ball screws and nuts to the machine. If you have access to a larger machine or to a local machine shop, then you can follow the detailed instructions included in the kit.
The conversion kit includes:
(3) NEMA 23 stepper motor mounts
(3) All new ball screws and nuts custom machined
(3) All new shaft connectors
All new thrust and tapered roller bearings
All the necessary hardware to assemble to your machine
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Sieg X2 Conversion Kit
Today, the Sieg X2 mini mill is the most popular machine for converting to CNC mainly as an entry level into hobby machining. The X2 is sold under many names including Harbor Freight and Klutch (Northern Tool), but they are all made in the same factory in China. Please read the following article at https://makezine.com/2011/11/23/the-sieg-mini-mill-one-manufacturer-many-brands/ The CNC Conversions Plus Sieg X2D kit is the only true “bolt-on” kit on the market. You needn’t drill any additional holes or enlarge existing holes. All bearings (where possible) have grease fittings. The Z axis mounts to the center of the head placing the center of gravity where it belongs, in the center. This greatly reduces drag on the Z axis stepper motor and eliminates stalling. The conversion kit includes: (3) NEMA 23 stepper motor mounts (3) All new ball screws and nuts custom machined (3) All new shaft connectors All new thrust and tapered roller bearings All the necessary hardware to assemble to your machine
Precision Matthews PM-25 Bolt-On Conversion Kit – No Machining Required – $785
The PM-25very conversion kit is made from T6061 aluminum billet. No structural steel here! It is similar to the Grizzly G0704 in size and price. However, it requires NO MACHINING like the G0704 and is truly a bolt-on package. It is very easy to install and uses linear contact roller bearings instead of thrust bearings making for a smoother move. The picture shows opposing ball nuts which will greatly improve the accuracy of the machine. The X axis stepper can be mounted on either side of the table. The conversion kit includes: (3) NEMA 34 stepper motor mounts for X, Y. and Z axis (3) All new ball screws and nuts custom machined (3) All new shaft connectors All new angular contact roller bearings All the necessary hardware to assemble to your machine Double opposing ball nuts available on request. Email us to get price
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The bench top lathe conversion kit is similar to the bench top mini mill conversion kit. The main difference being two axis instead of three. The kit consists of: (2) NEMA 23 stepper motor adaptors (2) Ball nuts (2) Ball screws All new thrust bearings, shaft connectors and all the mounting hardware is included.
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