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Precision and Rigid CNC milling machine

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xzsawq21:
I wanted to buy a WABECO F1210HS ISO30 and spend $7000 for the machine but many people have reported that the head is made of Aluminum and the machine is not rigid.
I want the CNC machine to make small things but for small or medium production. (not for hobby)

https://www.youtube.com/watch?v=YrAxIoDPiTE&list=WL&index=2&t=286s

https://www.youtube.com/watch?v=MNO-tv556Co

What do you think about the OPTImill MH 25V or other milling machines?

OPTImill MH 25V, the price is $4000:
https://www.stuermer-machines.com/me...h-25v-3338155/

The spindle speed of the OPTImill MH 25V is 200 to 4000 RPM so it's not perfect for the end mills with a diameter smaller than 10mm (3mm to 6mm) but sometimes the speed should be higher than 4000RPM.

You see the cutting speed etc for the OPTImill MH 25V at page 32 and 33 of the below document:
https://www.cnc-shop.mobasi.com/down...eng-manual.pdf





But how much is the milling machine accurate? I should make small things within +/- 0.025mm accuracy. but in my general work it can be +/- 0.1mm or +/- 0.05mm.

It's interesting Optimum hasn't reported the Runout or table flatness of the machines, WABECO reported anything and I'm pretty sure they have used several Japanese parts in their productions and they reply all your questions! But Optimum is not responsible.

Jasonb:
The Wabeco is likely to be the more accurately built of the two machines but as it is of much lighter construction ( almost half the weight) than the Opti you will not be able to take as large a cut with it. As you want these machines to earn you money the Wabeco will make your profits less or your selling price a lot higher as it could take twice as long to machine a component due to the smaller metal removal rate.

It's down to you to work out the economics as to sale price vs accuracy

jadge:
If you want machine tools for commercial work you need to stop messing about with hobby machines and starting looking at industrial machines. They will have the power, rigidity and accuracy to make consistent parts over production runs. Unless you have significant design or creative input into the parts which out weighs the machining cost you will struggle to make money machining on small machines.

Andrew

Jo:
We have asked you repeatedly to introduce yourself xzsawq21 you still have not done this.

On the previous thread about "Precision Lathes" the members tried to help you but you did not engage in their responses. I see it as pointless engaging you on this thread based on our previous experience.

Jo

xzsawq21:

--- Quote from: jadge on November 25, 2021, 09:43:48 AM ---If you want machine tools for commercial work you need to stop messing about with hobby machines and starting looking at industrial machines. They will have the power, rigidity and accuracy to make consistent parts over production runs.

--- End quote ---
Do you know a suitable industrial milling machine? I don't want a large machine because our shop is not big. we are at the first step in our business.

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