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We are able to hold any tolerances that are needed, I would say holding a few tenths is not problematic but the machine deflects more than others I have used, and yes, mainly roughing capabilities are compromised IMO.
A few notes on the Haas spindle: depending on who you talk to the highest torque in the spindle range (12k direct drive) is at 2000 RPM. This sucks because there are almost no tools I'm going to be running at 2k RPM that need high torque. If I want to use a spade drill an inch or larger diameter in steel, it's going to be running maybe a third of that speed, and I have gone over 150% spindle alarmed out the machine and had to back the feed down to complete the job. I have resorted to smaller drills and following up with milling operations, but this only really works because I don't need to drill very deep.
They do not offer a dual contact version, which is a big drawback on a noodly machine. Dual contact should be standard at this point IMO, as it's not as if one has to use dual-contact holders for them.
The gap between the spindle taper nose and the holder flange is noticeably larger than on other brands. I don't know why this is but to me it's indicative of another potential source of rigidity drawbacks.
The insulting term regarding the vector drive is it's a 30 "Haaspower" unit ![]()
I don't really want to jump on them too hard, I don't think they are an unviable product or even 'bad,' just that there are potentially better options in the same price range that may provide better ROI in the same time period. After that of course it's more profit, right?
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