HIWIN HGH25 and HGW25 bearing balls replacement from Z0 to ZA preload
Автор: Ivan Mitev
Загружено: 2024-12-17
Просмотров: 2068
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Music I use: Bensound
Artist: Benjamin Tissot
License code: LE05GWWKC887KW7D
A long time ago I bought original linear carriages for my project from HIWIN official distributor for Bulgaria (with head office Czech Republic).
My HGH25 and HGW25 carriages that I had bought have a light preload Z0 - that is not suitable for a precision machine.
So I had to buy new balls for medium preload ZA and change them on all 12 carriages.
I did not find information on the size of the balls for preload ZA. I did not get an answer from HIWIN either. I had to buy in addition 4 carriages with preload ZA and measured the their balls. These carriages remain as reserve.
HGH25 and HGW25 have 124 balls.
The diameters I measured are:
Light preload Z0: 4.754 mm
Medium preload ZA: 4.763 mm
I am not claiming that these are the absolutely accurate values used by HIWIN. They are only measured by me.
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