Boring Bar for Pulley
#1
Hello guys. This is a simple boring bar I made up to use for a pulley I needed for the lathe I'm working on. The pulley was made of 6061 aluminum. I used an insert I had on hand for this. The bar chattered quite easily, so I don't think the geometry was correct but I went real slow and it worked. A narrow v block was made up to help with clamping.

Block layout:


[Image: boringBarBlock.jpg?dl=0]

Finished block:

[Image: finishedVblock.jpg?dl=0]

V Block fitment:

[Image: vBlockFitment.jpg?dl=0]

Starting bar cut with dial indicator to use for the starting point of each pass:

[Image: startBarCut.jpg?dl=0]

Bit base cut. A 20 degree angle was also cut for the bit side face.

[Image: barCut.jpg?dl=0]

Tap bar:

[Image: tapBar.jpg?dl=0]

A couple of views finished:

[Image: topBar.jpg?dl=0]
[Image: sideBar.jpg?dl=0]

That's all.

Mark
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Messages In This Thread
Boring Bar for Pulley - by turbo711 - 04-21-2016, 10:57 PM
RE: Boring Bar for Pulley - by Pete O - 04-22-2016, 01:11 AM
RE: Boring Bar for Pulley - by turbo711 - 04-22-2016, 05:49 AM
RE: Boring Bar for Pulley - by Mayhem - 04-22-2016, 07:10 AM
RE: Boring Bar for Pulley - by DaveH - 04-22-2016, 01:54 PM
RE: Boring Bar for Pulley - by krv3000 - 04-22-2016, 03:45 PM
RE: Boring Bar for Pulley - by Roadracer_Al - 04-22-2016, 04:18 PM
RE: Boring Bar for Pulley - by PixMan - 04-22-2016, 08:18 PM
RE: Boring Bar for Pulley - by turbo711 - 04-23-2016, 05:03 PM
RE: Boring Bar for Pulley - by f350ca - 04-23-2016, 10:03 PM



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