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CNC Retrofits

 

Why Retrofit?

Suitable Machines

Retrofit Examples

Cost of Retrofit

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CNC Retrofit Installation
Typical on-site installation time for a knee mill or a bed mill takes two or three days. Our retrofit experience will save you time and money. We even have controls designed with specific machine make and model related features built-in. With our specially configured controls these retrofits are a easy bolt up and minimize on-site installation time. With a CNC Control Solutions installed, Centroid factory assembled CNC, you know that you are getting a quality retrofit.

Servo Motor Installation: On some retrofits the axis motors are a direct bolt up and even use all of the original hardware. Here is an example of a direct bolt up with a proper drip shield.

Boss X axis motor mount

However it is common to adapt a new axis motor to an existing mount. Either the bolt pattern will be different and/or the shaft diameters. Simple adapter plates are created to match up bolt patterns. Here is an example of an adapter which allows the larger than original Centroid axis motor to bolt up to a Wells Index knee mill that originally had a GE control on it.

Servo Motor Adapter Plate

Retaining Existing Accessories: It is a good idea to start a retrofit with a completely intact NC/CNC machine. The Centroid CNC retrofit will typically replace all existing electronics and axis motors. Great savings can be realized by reusing any existing hardware that is in good condition.
Auto Lube pump with low level indicator
Hardware such as axis drive belts and pulleys, axis motor couplers, limit and home switches, air brake cylinders and solenoids, lube pumps, flood pumps, conduit, right down to the nuts and bolts.
Original Y Axis Limit Switch
Often, most original accessories can be retained and made operational again with a Centroid retrofit. Commonly reused examples shown are: an auto lube pump with low lube level detection, an air motor controlled spindle speed up/dn drive, and a original Y axis + and - limit switch.
This machine shown above uses a belt drive from the axis motor to the ballscrew. In this case the original pulleys were reused, the motor pulleys were bored out to match the new servo motor shaft diameter and new keyways were cut.

 

To the right is an example of an axis motor directly coupled to the ballscrew. In this type of installation the coupler design and proper installation are critical to the longevity of the motor.

Servo Motor direct drive

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CNC Control Solutions
22910 Kenwyk Dr
Southfield, MI 48034
Ph:  248 376-1250
info@cnccontrolsolutions.com