Blog Archives

DIY Delrin ACME Leadscrew Nuts

DIY DELRIN ACME NUT and TAP

  A discussion on what leadscrew nut options are available to the DIY CNC builder and a short how-to on a very low cost option (making your own ACME tap and (nearly) backlash free leadscrew-nuts).

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Copper Electroplating part 4 (plating the PCB)

testPCB grid PTH closeup

The fourth installment in our PCB through hole plating series – plating the PCB to get plated through holes.

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Copper Electroplating part 3 (Activating ThroughHoleWalls)

testPCB curedTH grideCloseup

Before dunking a PCB into the copper plating solution – through-hole walls need to be “activated”. This is a fairly simple process that we’ll detail below.

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Copper Electroplating part 1 (building the tank)

mountedAnodeBanks

When prototyping even small boards at home, dealing with a lack of plated through holes (PTH) is always aggravating. Whether it involves special layout considerations so that you’re not making connections under components (where you can’t get a soldering iron)

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Copper Electroplating part 2 (mixing the solution)

CopperElectroplatingIngredients

In part 1, we covered how to build the plating “tank”.  Now we’ll go through mixing our plating solution, using commonly avilable chemicals.

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Chemical Handling Suggestions

When working with chemicals, generally speaking, you SHOULD: always wear gloves (we prefer the heavier Nitrile gloves) If you’re unsure of what gloves to use, check this guide for chemical compatibility of safety gloves at a minimum, you’ll need goggles/glasses

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