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  1. Joe Chen

    MMC Bonus calculation with datum

    Hello everyone As shown in the figure, assume that the hole size is .286, the datum B size is 22.441, and the datum C size is .99, Is the position of the hole apply to MMC equal to .01(hole)+ .01(position)+.01(datum B)+.20(datum C)=.50
  2. Joe Chen

    MMC Bonus calculation !

    Thanks a lot, very clarity.
  3. Joe Chen

    MMC Bonus calculation !

    Hello everyone As shown in the figure, assume that the hole size is .344, the datum B size is 22.441, and the datum C size is .99, Is the position of the hole apply to MMC equal to .01(hole)+.01(datum B)+.20(datum C)=.40
  4. Joe Chen

    Mill machine (axial, radial force) calcutation?

    Dear All We had encountered some problems on mill machine spindel deformation, parameter s below, could you calculate the axial & radial forece of spindel, tks. 1. RPM : 300 2. Feed rate : 700mm/min 3. Ap : 5mm 4. Ae : 125mm 5. Material : S45C
  5. Joe Chen

    NX Siemens 840D Post definition

    Dear All Do anybody know N80 L_FREI & N90 L_ZYM91 definition, what does is mean, thanks. N10 DEF REAL _camtolerance N20 DEF REAL _F_CUTTING, _F_ENGAGE, _F_RETRACT N30 G40 G17 G710 G90 N40 DM_MILL N50 CYCLE800() N60 TRAFOOF N70 TRANS N80 L_FREI N90 L_ZYM91 N100 ;Operation : FACING_1 N110 T1...
  6. Joe Chen

    Dose liquid nitrogen shrink installation cause stress residue

    The material is SS41.
  7. Joe Chen

    Dose liquid nitrogen shrink installation cause stress residue

    Dear All Due to the inner diameter (340 mm) of the bushing is required in the post-lathe process, how long does the liquid nitrogen shrinkage fitting installation need to stress relieve before precision machining to the finished size.
  8. Joe Chen

    Leap technology combustor discussion

    Dear All I have doubts about the differences between the two burner types, leap and rich burn, such as speed, fuel consumption, economy, maintenance, thank youhttps://files.engineering.com/getfile.aspx?folder=1d660521-22ce-47da-a0d9-14eb76cfc640&file=123.JPG
  9. Joe Chen

    Siemens Controller 840D axis angle definition?

    Dear All We encountered a problem about Siemens Controller 840D axis angle definition, as attached illustration, tool axis parallel to the X axis, how to rotate the axis -90 degree by Z then tool axis parallel to the Y axis, thanks...
  10. Joe Chen

    NX12_ lathe cycloidal processing?

    Dear All I would like to ask the NX12 lathe method, how to program the Cycloid path as shown, thank you. https://files.engineering.com/getfile.aspx?folder=17581ada-d88c-4c3d-96a3-696b1ac25f8b&file=??.PNG
  11. Joe Chen

    Material spec conform

    It supposed to GE spec, but not aviation, seems to energy or power specs.
  12. Joe Chen

    Material spec conform

    Dear All We got a machine drawing of a quotation, the material shows "C50E56A", what kind of metal (Inconel 718? Carbon steel?), thanks.
  13. Joe Chen

    Inconel 718 vs Inconel 718 plus

    Dear All What is the difference between INCONEL718 and INCONEL718PLUS manufacturing (lathe/milling) (eg rpm/feed/depth/machining time), could we use the same parameter for 718 to work 718 plus, thanks.
  14. Joe Chen

    Inconel 718 vs Inconel 718 plus

    Dear All What is the difference between INCONEL718 and INCONEL718PLUS manufacturing (lathe/milling) (eg rpm/feed/depth/machining time), could we use the same parameter for 718 to work 718 plus, thanks.
  15. Joe Chen

    How to move the axis to axis include all the annotation!

    Dear All How to move the axis to axis include all the annotation, tks.
  16. Joe Chen

    How to export the feature tree's attribute to excel or txt

    Dear All How to export the feature tree's attribute to excel or txt, tks.
  17. Joe Chen

    NX 11 Lathe options ?

    Dear All As attached photo indicates post in lathe function have two selection, one is lathe 2 axis tool tip, the other is lathe 2 axis turret ref, what the different between in those, tks.
  18. Joe Chen

    What does it meaning " install square end of bearing against spacer"

    Dear All My drawing indicates the note " install square end of bearing against spacer", i am not very have ideal about it, could somebody can in further explanation, tks.
  19. Joe Chen

    Custom 465 Aging treated colorful

    Dear All I had a material about Custom 465 Aging treated colorful, aging condition H1050, used argon to cool rapidly then the products appearance most gold color, a little purple color, is it correct? if i want to a original metal appearance, how should i do, tks a lot ?

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