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i was considering in buying a benchtop cnc with a budget say about 6000 euros or so. i have already serch and the kx3 milll seems a good deal since it also has all the programs needed for the machinig if i understood right. but the lack of especially y axis i a draw back.... Anyone knows of some...

Thanks for the advise I also thought that when i saw the 3% expansion rate on the spec sheet. Drei

Im planning to use the rotary valves on my next engine but im worried about what type of bearings should i used because they will effect a number of factors: the bearing should be self lubricated accurate enough to achieve proper compression I found this type of material that might be good...

I dont know what tools do you dispose but it think because of the tight tolerances and design you it is difficult to machine then on conventional milling machiens; I think a CNC is required..... Are you going to machine then with some technique? Andrei

pic trail

Well infect today I did took some reading with the dti and I noticed that when the head is fully raised and push slightly the head from the front edge the dti gives a reading of 0.20mm more or less. I understand that by performing a force on the front most of the head, places a large moment on...

What part exactly i need to refer.. I saw the part which he adjusts the gibs of the column... today I tried to tighten the bolt but it seems to be tight enough. it also seems that the whole structure moves column and head.. i will know make some boring trials in a scrap and take readings in...

Yes i already have tighten them which i think is the right ammount. I have to recheck the gibs... But when you bore you can see the head moving....does anyone own one and has the same problem?? andrei

Hi, I have recently bought the super X3 mill from axminister and overall I am very pleased with its performance. the only problem that I saw is that the coulum vibrates and "moves" especially in boring process. I also can confirm this because when I measure the holes they tend to be slightly...

No i dont want to upgrade for a cnc,,. that s what a also said, a stepper motor isnt the best solution. the main reason why i want to use a larger motor is to reduce the amount of load on the motor beacause sometimes it gets very hot. do you know from where i could find brush less motors with...

I was thinking to refit my lath with a more powerful motor... for example as the X3 mill has.. http://www.arceurotrade.co.uk/Catalogue/Stepper-Motors/Stepper-Motors. The X3 motor seems like these stepper motors but are these the right motors to choose from if not any ideas, connections etc. My...

yes i have tried, i also dismantled the drive assembly cleaned it and assemble it again to remove any dirt or oil. But sitt it slips due to some cuts....:/ Andrei

I have a weiss lathe http://www.weiss.com.cn/products/wmp250v.php and when i set some heavy cut the v belt drive starts slipping and eventually the spindle will almost stop turning. I know that the belt is slipping because while cutting the rev counter reduces speed drastically and after...

Thanks for the info Kenny.. well then thats why they built the blower with two rotors even in model engine, to reduce more the pulsations. If each rotor has five or six blades and are set correctly, you will have ten or twelve pulsation each rev, which is a very good result in my opinion. I...

Hi, Can a model IC engine sliding vane charger be with only one rotor http://www.austinsevenfriends.com/Bruce/Supercharger%20Information%20and%20Formulae.htm. here is a link showing the sliding van charge with one rotor. Dose this layout work for model ic because everytime i saw a model sliding...

When mounting the scales on the lathe always fix them upside down: the marked strip facing to the tray. This will avoid hot material chips from sticking into the scale strip, also when the chips are moved by the slider they wont damage the strip. That s what happened to me and some times the...

Thanks for the pictures and info, i understood the layout. But why are they offset, and is it important to design the engine with that offset (because of what)? Sorry if i am not using the right words to explain my self Thanks Andrei

can you explain youre self more....please Andrei

Sorry iif its a noob question but why are the small ends of the conneting rods one side longer than the other? maybe to have each opposing clinders in the same center and if so is this important? Thanks Andrei

how can you seal the ports to avoid leaks, say if you had to apply the design on a small v8 block ( a one piece block). Thanks Andrei