健将 发表于 2013-9-26 07:47
9 `: |: a8 c. I/ ]1 q1 {* U& ^7 w" P8 `
已经到了长径比40倍的及限了,用中频淬火,控制深层,多做几次去应力,用台湾产的无心磨通过磨,就ok,我这里是生 ...
) G) M1 a$ w/ c$ t2 ]# @ Uhing Linear Drives should only be5 R! h3 I$ u: c3 W 4 [& n+ V) c. N2 }' K3 U used in conjunction with steel shafts ' @/ ` p. s* k m$ ~( V) `$ ] % ]4 o% e2 L" t+ D r% }manufactured from induction surface 3 v' Z0 k) I" H8 I$ d/ Q8 L . T Y, p( j( G+ y& Ohardened, ground and finished bar of; y6 b! i# O) A7 p+ J' ]) Q ! F8 J8 }9 E' b# V: g# i( s4 l% H- l the following quality, minimum: 7 W T5 K1 f; [ ~4 G! x5 W1.surface hardness: 50 HRC 9 l |" O" U7 n: {2.tolerance on diameter: h6 : s6 y* r7 y$ N* V) s3.out of roundness: maximum one 9 |! F$ O0 M: [' p o$ Phalf of the diameter variation permitted by ISO tolerance h68 A. Z) m4 O; ~( ^& T Y" h u5 n 4true running tolerance & O4 N* @ d1 b: H/ Z8 t(DINISO1101): ≤0,1 mm / q) N$ J y2 a" R0 P0 B9 _; V9 r2 O4 |5 w a$ G( H, |/ p- W/ W
|