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Sherline Z-Axis Backlash Lock Upgrade 4017Z

SKU 4017Z
Item In Stock
Features & Specs
Sherline 4017Z Sherline Z-Axis Backlash Lock Upgrade
Sherline CNC-ready mills did not initially incorporate the Z-axis locking lever. It was felt the lock might accidentally be left engaged which could cause problems with missed steps if a stepper motor were engaged, possibly damaging the machine or most certainly ruining the part. However, excess backlash is a particular problem on the Z-axis for certain 3D modeling and engraving applications where very subtle movements of the Z-axis are required. The normally recommended .003" to .005" of backlash was not acceptable in these instances. This modification to the Z-axis locking lever allows adjustable control over the Z-axis backlash, making it possible to reduce it down to as little as .001".

The new upgrade is easily installed, requiring no new holes. The saddle nut securing screw is removed and a longer one going through a hole in the locking plate replaces it. A pin on the end of the locking arm goes into a hole in the locking lever. Once the lever is positioned to the desired location removing as much backlash as is preferred, the thumbscrew is tightened, holding it in place.

4017Z Sherline Z-Axis Backlash Lock Ugrade Instructions
CA Prop 65 WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use dust mask or other safeguards for personal protection.

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