Shear strength of bolts, check me on this.....

[DR]

Find a local shop with as brush plating outfit. Build the shaft up with hard nickel. It'll need to be ground to size since the build up won't necessarily...

[DR]

What exactly is wrong with your RPC? Blown capacitor maybe?

My 12 year old factory made unit blew a capacitor while running my mill. There...

[DR]

FWIW, long time ago we had a job using some high strength bolts, USA made. The job was to drill a number of small axial and cross holes. We needed to...

[DR]

Visually I'm okay, orally I'm totally dyslexic. I can't take down numbers over the phone to save my life.

[DR]

In a pinch I've used wood router bits in aluminum and mild steel. Like most everything you get what you pay for. The cheap ones don't last like the...

[DR]

A handy fixture is the one made by Ascension Industries. https://asmfab.com/product-lines/st-mary-spin-rolls

I have an auction purchase...

[DR]

Apparently the company is still in business.... The bit holder sells for $245!!!! That seems like a lot, but it might be worth it since you already...

[DR]

I have the same drill grinder. It appears the bit holding gizmo is missing, without that it's useless for its dedicated purpose. I'll take a look, at...

[DR]

Here's a nice grinding fixture I picked up at an auction. Similar to this one, only motorized. No brand name on mine. https://asmfab.com/product-...

[DR]

Here's a phone surprise my wife had last night. After going to bed her phone as usual was on the charger, Samsung Galaxy 6 (I believe). The phone started...

[DR]

Yes, it's exactly like that in configuration, same flywheel and crank shaft orientation. But mine is a floor model with a single casting from top to...

[DR]

Google on "swiftcarb super bee corner rounding inserts". They fit a standard insert milling cutter holder. The ones mentioned are too proprietary...

[DR]

You're absolutely right, if I knew the model number, that is.

Perkins appears to be long gone. All the searches I've done for pictures...

[DR]

There's only maybe .030" play in the table when the bolts are loose so they all sheared very close to the same time. What is a little puzzling...

[DR]

My Perkins horn type punch press has a height adjustable table. I need to know the rated tonnage of this punch press.

The table has four...

[DR]

Somebody else mentioned this....why are you grinding backwards? That would be equivalent of a climb cut in milling. I don't think that's good idea....

[DR]

A local machinery dealer was closing after close to a 100 years in business. They had machinery literature in dozens and dozens of file cabinets. Sales...

[DR]

Because cutting and welding is a tedious solution and not necessary with a proper die.

[DR]

Simple to do, but you have to better constrain the metal surrounding the swage. The excess metal will shrink (thicken).

The die must be...

[DR]

There's one major advantage of Yaskawa VFD's..... support.

The Mitsubishi VFD on my Omniturn lathe crapped out. The Mitsubishi was old,...