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Centres and Centre Drilling (Haas ST-15Y): Difference between revisions

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(Created page with "Workpieces cannot extend more than 4 to 5 times their diameter from the chuck or they start to wobble and whip. With care it is possible to make cuts at such extensions, but heavy cutting work needs to be supported by a live centre in the tailstock. The tailstock is a hybrid manual-hydraulic design. The body of the tailstock must be brought forward toward the chuck, and then the hydraulic quill should be extended so the live centre tip rests securely in the seat created...")
 
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Excessive hydraulic pressure from the tailstock can cause material, especially thin bar stock, to bow or flex. This can lead to inaccurate or bent parts coming out of the machine.  
Excessive hydraulic pressure from the tailstock can cause material, especially thin bar stock, to bow or flex. This can lead to inaccurate or bent parts coming out of the machine.  


The tailstock pressure can be adjusted using the hydraulic regulator on the bottom left of the machine. You may wish to use a dial indicator or similar to determine whether the tailstock pressure is causing deflection.
[[Tailstock (Haas ST-15Y)#Adjusting the tailstock pressure|Adjusting the tailstock pressure]]
[[Category:Lathe]]
[[Category:Lathe]]
[[Category:Lathe Workholding]]
[[Category:Lathe Workholding]]