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The design use to be on www.makeprojects.com concretelathe Which is founded on lathes built during WWI when cast iron was not available. Machinery June 1916 page 877 - 879. Patent 1154155 Yoemans, the stiffness of the design is lowered since the concrete is at the ends supporting the...

Many years ago I designed a volute where the ID was a cone with the cam machined into the cone shaped OD to the ID. Since one revolution was needed, 360 deg. The contractor chose to machine it as you suggest from the top with the face of the cam produced by the end of the mill, an end mill...

I was making an aluminum compression bonded semiconductor switch with 7 one ton pressure force transistors an three compression diodes for about a 1000 ampere switch. The conductors and the tension members were 6061 T6 aluminum. The silicone in the aluminum made any soldering impossible and...

My father said that it is impossible to get the sand out of the tube because some grains may be sharp and create a pocket and are stuck to it. He used salt which is soluble in water and as a crystal shape is known and very strong.

My suggestion is to use steel banding for packaging or used for cut cores for electromagnetic components, over a cable or music wire. Stiffness is the tension and the cross section. The bend radius is determined by the thickness. Steel banding is made to bend around a curve and return to...

Have you considered a cable and pulley and counter weight instead of the gas strut? The head weight is almost a constant with the tool the only variable. So if balanced the only force needed is to accelerate and decelerate the head. Have it set up that a small block can be used to set the...

EDM electrodes are make from carbon so I would see if there is an EDM shop in your area. Give them a call and see if you can get material from their supplier and also the tricks of machining Carbon. I do not think you want to breath in the dust.

VFD creates three phases at the specified frequency. They are designed to connect to three phase induction motors. The output from a VFD is not a good sine wave. Pulse width modulation in effect creates and average sine current into the motor winding. The iron winding of the motor clean up...

There are two types of soluble filaments: PVA and HIPS. PVA can be used to print soluble parts for suspended pieces. It is used in conjunction with PLA. This dissolves in hot water within a few hours. HIPS can also be used for the support, it prints with ABS. Obvious water soluble plaster can...

You have an Atlas lathe. youtube trpete222 Tubalcain has a full series on this lath family rebuilding and using it. he has the 12 inch model but the 10 inch is almost identical Good luck

I have been looking at hobbing gears since I do not have a rotary or index table. I first calculated if I could cut a hob on my Atlas 10" lathe. Atlas cast pot metal gears have a 16/in pitch diameter, module 0.0625 in, and (rack) 5.093/in circular pitch and pressure angle 14.5 deg the same as...