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One thing that can happen to a cue shaft, especially if it is made with prepreg material, is they can be effected by high heat. Heat exceeding 80C and any bending moment of it during that heat cycle. So if it had something on the shaft and was left in a hot car for example, could lead to a bent...

It is usually a moments in attention that causes most accidents. Along with hands, left or right, crossing over the body centre line , taking a shortcut to do what ever, will eventually cause serious harm injury.

Seeing the effects of rifling in a barrel is quite incredible. High speed photography is now showing up more of what is happening in so many things. Especially the cue tip in a jump or masse shot and what is required to prevent a double hit on the white ball.

Contact Juan, he makes very good 1 piece cue tips. From medium to hard and he also does specific hard jump cue tips as well. His forum name is madman1nonly He is easily found in cue machinery and product supplies. Juan Rios MadMan Cue Tips

I replace them after about 5 years or so. I have the very soft ear cups, as they mould around glasses better.

I worked it out at 3.41mm pitch, when I made some joint protectors years ago, and used an R1.5 radius cutter and put more relief on the leading side of the tool. On thread mills that have alot of material to take out for special thread forms , like used for plastic containers, the cutter has 2...

Joey, You have a VCGT11 insert, in what looks like the R0.2mm . Your work horse is the CCGT09 They are the great inserts for sure. They look to be AK H01 grade. There are some micro coated inserts out now too. You can get them from Aliexpress , but it really is hit or miss for what you...

The Sumitomo rep was in at work about 3 weeks ago, gave me a new insert to try. The radius is 0.05mm on a VCMT11 insert, 35 deg included angle. It is a ground insert on the outer shape. There are also other very sharp inserts for turning plastics and copper etc, Iscar make a series that is used...

Sometimes it is a matter of finding the right tip for you and that shaft and that handle.

The speed of sound through a carbon shaft is faster than wood in general. Maple is about 4000 to 4400 m/second. Carbon fibre is between 10000m/sec to 20000m/sec. However there are special carbon composites that can have the wave slowed down to 16-18m/s . But these materials do not have high...

Live thread cutting is the best option if you can set that up. Plenty of video's and posts of how different one do it.

You need the wood to be stable and dry. If the wood keeps moving with each pass, is the wood unstable? Or is the process of reducing the diameter, causing stress in the wood again? When you drill and bore the hole to be threaded, is the thread still straight to the run of the workpiece ,ie has...

So the families can now sue the government for not following their own guidelines?

Interesting that Maine has one of the lowest gun violence rates in the country. Also has one of the highest ratio of households with gun ownership. At some point, when are the politicians going to do something serious about mental health issues , and the drug companies that makes drugs which...

Make sure that you have the right PPE when sanding, cutting CF etc. The dust from it is No good to your lungs etc. I wet sanded mine, and then discarded the paper into the rubbish. The water container, I add a drop of dishwash liquid as a surface tension breaker. A light grey scotch brite used...

There are heat recovery systems that heat or cool the incoming air . They are not that expensive to run, but the initial up front costs are higher than a small vent running and the ac running to compensate. The pathways in the shop need to be clean and I have slip on shop shoes that stay in the...

I had such a cue come to me a few months ago. It just needed some very strong hand to undo the assembly. It just needed cleaning and it was chalk dust that caused it to be stuck together. After a serious clean and a de burr of the thread and the pin, all was good. I suggested they put the joint...

The experience of being in Australia will be a great memory for sure. It won't be cheap, but the fun and time will be well worth it.

Use the low odour CA, and it can be used with many different oils. The combination of the oil and CA , effectively creates a varnish. But unless the oil is loaded in Anti UV stuff, it will darken and change colour over time. The epoxy with UV stuff in it, basically stays the same colour after 20...

They do make a tink from the tube wall. But some of that can be reduced by the way you do the reverse ferrule connection. I have added heavy epoxy at places in the shaft if it needs to be weighted for balance or total shaft weight. When weight is being added , its actually possible for the...