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When I had my foundry I would start fire in the curable. Let burn till curable was above 212°F . After start the furnace I would heat the ingots and tools in front furnace exhaust. Would buy leather coats fron Salvation Amry store . Used a face shield and safety glasses with welders gloves Dave

When a lot work a tapping head in drill press. I thinking of buying lead screw tapper fof both taps and dies. I found you could do about 6 tapped parts per minute or 360 parts per hour in drill press. A lead screw tapper is faster. FYI My parts had threads both ends. Dave

The Brown and Sharp book goes in detail for threading. The threading uses cams for threading and tapping. It also has thd rake angle for turn tools. This works great in engine lathes too. Dave

Welcome to the group Dave

A screw machine can simple to setup or very time consuming. Unless you are do a long run over 10,000 parts avoid threading and complex setups. 2 or 3 sets cams can do most work under 3,00p parts. I also had Trub screw machines. On machine I keep to just one set of cams. The parts just took a...

Welcome to the group Dave

Welcome to the group Dave

Welcome to the group Dave

A screw machine can simple to setup or very time consuming. Unless you are do a long run over 10,000 parts avoid threading and complex setups. 2 or 3 sets cams can do most work under 3,00p parts. I also had Trub screw machines. On machine I keep to just one set of cams. The parts just...

I tried Thank you I will send to America Cancer donation Dave

You find it simpler to just a few standard cams and do threading in lathe or drill press. It is real pain to do thread on 2G. . I own a 2G and 00

If need book from Bronw in Sharp let me know I have one shelf like new. The one had only use 2hp Dave

Welcome to the group Dave

Remember this can be used for Ingots too. Over 20 pounds of 356 aluminum Dave

Yes I know this should be in sale but a odd ball. The Aluminum can used in the foundry The two bowl as cast with A356 Aluminum. Guarantee not have dog move out yard for a Easter Egg hunt. Work great when in the countryside. When found going my point had the Guarantee stainless steel bowl in...

I would use on the treadmill motor a thermal fuse around 90°C / 200°F . Just use a tubing clamp or wire for thermal fuse to motor. Use wire nuts so change the thermal fuse. Thermal fuses are found on Amazon, Walmart or a Aplance parts store. Dave

I did not think of other uses for low speed DC motors . I first put a DC motor on a bench lathe in 1982. On that lathe I could touch the motor and check the temp. I did not think of Treadmills had this problem too. Bynow I would think they had overheating work out on treadmills. Good luck...

The fast blow fuse is mainly for electronics. The slow blow is used on motor for starting load. It also on welders because start needs more amp for few seconds. Note most just use a large breaker that does not offer protection need.

My lathe came with a slow blow fuse. I think lot like electronics way fixing things. Dave

The main problem is low speed turning . My lathe did come slow blow fuse. Did think of axillary fan but did know temperature. So when the way cars and trucks have a temperature gauge. This way I stop work long before it gets real hot 🔥. It is to costly to put inside so doing the next...